Description:DESCRIPTION
Technical Field of the Invention

The present invention relates to the field of automotive suspension and stabilization systems, specifically to a rear tilting wheel system that incorporates a swing arm mechanism, adaptive shock absorbers, and a pivotally mounted tilt master assembly.

Background of the Invention

In modern vehicle design, ensuring optimal vehicle stability, comfort, and handling is an ongoing challenge. This is particularly true for vehicles that must contend with varying road conditions, such as motorcycles, scooters, three-wheelers, and lightweight electric vehicles. These vehicles often rely on a tilting mechanism to maintain stability while navigating sharp turns, uneven surfaces, or rough terrain. While tilting improves maneuverability, it also introduces a range of challenges, especially with the rear suspension system. Traditional rear suspension systems, including fixed and adjustable designs, often fail to provide the required level of stability, safety, and comfort in such dynamic conditions.

The core problem lies in the lack of adaptability in existing suspension systems. In vehicles with tilting mechanisms, the rear wheel needs to dynamically respond to road-induced vibrations and lateral forces. However, many traditional systems fail to provide real-time adjustments to varying road conditions. As a result, vehicles can become unstable, uncomfortable, and difficult to control, particularly in scenarios involving sharp turns, high speeds, or rough terrain. Furthermore, the unsprung weight—components not supported by the suspension—often hampers the vehicle’s handling and stability, contributing to poorer ride quality.

The issue is exacerbated by the fact that many existing suspension systems fail to effectively distribute the dynamic forces encountered during tilting. Components such as swing arms, pivots, and shock absorbers often experience stress concentrations, leading to premature wear and system failure. With traditional suspension systems, the lack of load distribution mechanisms further accelerates wear, especially in vehicles subjected to high loads or frequent use. As a result, vehicle performance deteriorates over time, and safety risks increase. The need for a suspension system that can handle these challenges while offering smooth ride quality, enhanced durability, and improved safety is critical.

Existing rear suspension systems generally fall into two broad categories: fixed suspension designs and adjustable suspension designs. Fixed suspension systems, such as the traditional swing arm mechanisms commonly used in motorcycles and other two-wheeled vehicles, are designed with a rigid attachment between the rear wheel and the vehicle’s chassis. These systems rely on mechanical shock absorbers or springs to dampen shocks but lack the capacity to adjust based on real-time road feedback. Consequently, fixed suspension systems do not provide the flexibility needed for vehicles that frequently encounter diverse road conditions, such as those with tilting mechanisms.

Adjustable suspension systems, introduced to address the limitations of fixed designs, have been developed to allow real-time adjustment of the damping force. These systems often incorporate electronic control mechanisms that alter shock absorber settings based on input from road sensors. The goal is to adjust to road conditions automatically, enhancing ride comfort and vehicle stability. Although such systems represent a significant step forward, they still have limitations. For instance, they may only respond to relatively predictable or gradual changes in road conditions, leaving them less effective in high-speed maneuvers, sharp turns, or in cases where the vehicle tilts dramatically.

Linkage-based suspension systems, including double wishbone or multi-link designs, provide another alternative. These systems allow for more controlled wheel movement and stability during tilting by using articulated arms that manage both lateral and vertical forces. While effective in some contexts, such systems are typically heavier and more complex than simpler swing arm designs, which can introduce unnecessary complexity and cost for lightweight vehicles. Moreover, these systems often add significant weight, which increases unsprung weight, negatively affecting handling and performance—especially in vehicles that rely on minimizing weight for optimal balance and maneuverability.

Another major flaw in prior art suspension designs is their failure to address stress concentration at key components such as pivot points, swing arms, and shock absorber mountings. These components experience high dynamic forces during vehicle tilting, yet many suspension systems fail to incorporate effective load distribution mechanisms. This oversight leads to increased wear and fatigue, ultimately reducing the durability of the suspension system. Furthermore, many systems are prone to corrosion, adding to the need for expensive and complex maintenance. Despite the introduction of more sophisticated suspension mechanisms, no system has successfully overcome the challenges posed by tilting vehicles in dynamic road conditions without introducing additional weight, complexity, or cost.

While existing suspension systems have contributed to improved ride quality, they still suffer from several key disadvantages. These limitations prevent them from fully addressing the needs of tilting vehicles, particularly in terms of stability, comfort, and safety under dynamic conditions.

The first major disadvantage is the limited adaptability of existing systems. Fixed suspension designs, including traditional swing arms, are rigid and cannot respond to changes in road conditions. Even adjustable suspension systems that rely on electronically controlled damping mechanisms are often not responsive enough to effectively manage sudden road irregularities, abrupt turns, or sharp maneuvers. These systems often fail to provide the precise, real-time adjustments needed for vehicles with tilting mechanisms, where vehicle dynamics change rapidly.

Another significant issue is the stress concentration experienced by key suspension components, especially the pivot points and swing arms. In existing suspension systems, the forces exerted during tilting are not evenly distributed, leading to wear and potential failure of critical parts over time. The absence of effective load-balancing mechanisms means that the system becomes increasingly prone to breakdowns as the vehicle undergoes more rigorous usage, ultimately reducing the overall durability of the suspension system. Furthermore, the unsprung weight—the mass of components not supported by the suspension—remains an ongoing challenge. Many suspension systems use heavy components that increase unsprung weight, which in turn affects ride quality, handling, and overall vehicle stability. This is especially problematic in tilting vehicles, where minimizing unsprung weight is critical for maintaining balance and performance.

Additionally, prior art suspension systems often suffer from complexity and high cost. Advanced adjustable systems may involve complex electronics, sensors, and control units, increasing the overall cost of both manufacturing and maintenance. For many vehicle manufacturers, especially those catering to entry-level markets, these complex systems are not cost-effective. The added weight, complexity, and expense make these solutions unsuitable for lightweight vehicles that require a more straightforward, efficient suspension system.

Finally, limited application to tilting vehicles remains a significant disadvantage. While certain suspension systems offer improvements in stability and comfort, they fail to adequately address the unique challenges posed by tilting vehicles. These vehicles experience significant lateral forces and tilting angles, which require a suspension system that not only absorbs shocks but also stabilizes the vehicle during extreme tilting maneuvers. Existing suspension systems, whether fixed or adjustable, are often insufficient to maintain stability under these conditions, leaving riders vulnerable to discomfort and safety risks.

The inventors identified a clear gap in existing suspension technologies, particularly when it comes to vehicles with tilting mechanisms. While traditional systems have contributed to improvements in ride quality, they do not fully address the specific needs of modern vehicles that must contend with diverse and dynamic road conditions. The need for a suspension system capable of dynamically adapting to these conditions, providing superior stability, comfort, and safety, became evident as vehicle designs advanced toward more lightweight and maneuverable structures.

The inventors recognized that the limitations of prior art systems could be overcome through the development of a Rear Tilting Wheel System that integrated real-time dynamic adjustments, effective load distribution, and a lightweight construction. They sought to create a suspension system that would provide superior stability and performance for tilting vehicles by incorporating innovative features, such as a pivotally mounted Tilt Master Assembly, symmetrical swing arms, and adaptive shock absorbers. These features would enable the system to absorb shocks, distribute forces evenly, and maintain vehicle stability during sharp turns, high-speed maneuvers, and rough terrain.

The inventors also identified the importance of reducing unsprung weight while maintaining the durability and strength of the system. By using lightweight, high-strength materials in the construction of key components, such as the Tilt Master Assembly and swing arms, the system could enhance performance and handling without sacrificing structural integrity. Additionally, the adaptive shock absorption system would allow the vehicle to dynamically adjust to road conditions in real-time, providing a smoother, more comfortable ride for the occupants while improving vehicle stability.

The need for such a system was further emphasized by the increasing demand for cost-effective and lightweight suspension solutions for modern tilting vehicles, such as electric scooters, motorcycles, and three-wheelers. The inventors sought to create a suspension system that would be not only efficient and adaptable but also simple to manufacture and maintain, making it an ideal solution for both high-performance and entry-level vehicles.

Brief Summary of the Invention

The following presents a simplified summary of the disclosure in order to provide a basic understanding to the reader. This summary is not an extensive overview of the disclosure, and it does not identify key/critical elements of the invention or delineate the scope of the invention. Its sole purpose is to present some concepts disclosed herein in a simplified form as a prelude to the more detailed description that is presented later.

The primary object of the present invention is to provide a Rear Tilting Wheel System for vehicles, designed to significantly enhance vehicle stability, comfort, and handling by dynamically adjusting to varying road conditions. The system aims to address the limitations of traditional suspension designs by offering superior stability during tilting, especially in vehicles like motorcycles, scooters, three-wheelers, and lightweight electric vehicles, which experience higher dynamic forces during tilting maneuvers.

A secondary object of the invention is to improve the load distribution and stress distribution across key suspension components, such as the swing arms and pivot points. This goal aims to reduce stress concentration and premature wear on critical parts, thereby improving the system's durability and longevity. By ensuring that forces are evenly distributed, the invention ensures enhanced performance under dynamic conditions, especially when the vehicle undergoes sharp turns or encounters rough terrain.

Another object of the invention is to reduce the unsprung weight of the rear suspension system, particularly in vehicles with tilting mechanisms. Minimizing unsprung weight is crucial for maintaining balance, improving handling, and enhancing the vehicle's overall performance. The invention focuses on achieving this through the use of high-strength, lightweight materials, which reduce the overall weight of the system without compromising its structural integrity.

The invention also aims to provide a suspension system that is cost-effective and easy to integrate into a wide range of vehicles. By utilizing simple, efficient components that are lightweight yet durable, the system is designed to be adaptable for both high-performance vehicles and entry-level models. It ensures that the benefits of dynamic shock absorption and real-time stability adjustments can be implemented across a broad spectrum of vehicle types, making it a versatile solution in the automotive industry.

The final object of the invention is to offer an enhanced adaptive shock absorption system that can modulate its damping force in real-time, responding to varying road conditions. This system is critical in ensuring that the vehicle remains stable and comfortable under a wide range of conditions, such as uneven terrain, sharp turns, and high-speed maneuvers. By providing dynamic damping adjustments based on road feedback, the system ensures that the vehicle's rear suspension is always optimally tuned for the prevailing road conditions.

The present invention provides a rear tilting wheel system designed to improve the performance, stability, comfort, and safety of vehicles with tilting mechanisms, such as motorcycles, scooters, three-wheelers, and lightweight electric vehicles. The system integrates several key innovations that set it apart from prior art suspension designs, offering real-time adaptability, superior load distribution, and dynamic shock absorption.

At the core of the invention is the tilt master assembly, which is pivotally mounted on the rear chassis unit. This pivotal mounting allows the tilt master assembly to rotate freely around a central axis, enabling the suspension system to dynamically adjust in real time to varying road conditions. The tilt master assembly is constructed from lightweight, high-strength materials that reduce the overall weight of the system, contributing to improved vehicle performance and handling.

Connected to the tilt master assembly are symmetrical swing arms, which are positioned on either side of the chassis. These swing arms play a critical role in distributing forces experienced during tilting, ensuring that the system remains stable and balanced, even when subjected to high lateral forces. The symmetrical design of the swing arms ensures that the load is distributed evenly across the system, reducing stress concentration on individual components and enhancing the overall durability of the system.

The invention also incorporates an adaptive shock absorption system, which is operatively connected between the swing arms and the tilt master assembly. The shock absorbers are designed to absorb road-induced vibrations and dampen oscillations that occur during vehicle movement. Unlike conventional shock absorbers, which typically provide a fixed level of damping, the shock absorbers in this system can dynamically adjust their damping force based on the magnitude and direction of road-induced impacts. This adaptive mechanism allows the system to respond in real time to varying road conditions, ensuring optimal shock absorption and stability.

Another key aspect of the invention is the friction-reduced pivot mechanism that enables the tilt master assembly to rotate smoothly. The pivot bolt used in this system is precision-engineered to minimize friction and wear, contributing to the long-term reliability and durability of the system. Additionally, the pivot mechanism is self-lubricating, which further reduces maintenance requirements and increases the operational lifespan of the suspension system.

The system also includes a tilt angle limiter, which ensures that the vehicle remains stable during sharp turns or when encountering uneven terrain. This limiter restricts excessive tilt angles, preventing the vehicle from tilting beyond a safe threshold. The tilt angle limiter improves rider safety by reducing the risk of the vehicle toppling over during extreme maneuvers, thereby enhancing overall stability and confidence for the rider.

The suspension system is designed with load balancing mechanisms that evenly distribute forces during tilting. This feature minimizes stress concentration on key suspension components such as the pivot points and swing arms, reducing the likelihood of premature wear and failure. The system’s ability to distribute forces evenly is crucial for maintaining durability and ensuring that the system performs reliably over time, even under high loads or frequent use.

In terms of weight, the system prioritizes the use of lightweight materials that contribute to a reduction in unsprung weight. By minimizing unsprung weight, the system ensures better handling and ride quality, as the vehicle’s suspension is able to respond more effectively to road irregularities. The reduced weight also contributes to improved fuel efficiency and overall vehicle performance, making it an ideal solution for a wide range of vehicles.

The Rear Tilting Wheel System offers several significant advantages over conventional suspension systems, particularly in vehicles with tilting mechanisms. These advantages contribute to improved ride quality, stability, safety, and performance.

One of the primary advantages of the invention is its dynamic adaptability to varying road conditions. Unlike traditional suspension systems that offer fixed damping or limited adjustability, the adaptive shock absorbers in this system can dynamically adjust their damping force based on real-time feedback from the road. This ensures that the system remains optimally tuned for the prevailing road conditions, whether the vehicle is navigating uneven terrain, sharp turns, or high-speed maneuvers.

Another key advantage is the improved load distribution and stress reduction achieved through the use of symmetrical swing arms and precision-engineered pivot mechanisms. The load distribution mechanism ensures that the forces acting on the system are spread evenly, minimizing stress concentration on critical components and improving the overall durability and lifespan of the system. This feature reduces the likelihood of component failure and ensures long-term reliability, even under high dynamic forces.

The invention also offers a significant reduction in unsprung weight, which directly translates to improved vehicle handling and performance. By using high-strength, lightweight materials in the construction of the Tilt Master Assembly and swing arms, the system minimizes the weight of components that are not supported by the suspension. This reduction in unsprung weight allows for better traction, smoother ride quality, and enhanced stability, especially when navigating rough or uneven surfaces.

Additionally, the tilt angle limiter improves rider safety by ensuring that the vehicle does not tilt beyond a safe threshold. This feature reduces the risk of accidents or instability during sharp turns or on uneven terrain, providing riders with greater confidence in the vehicle’s performance. The tilt angle limiter works in conjunction with the adaptive shock absorption system to ensure that the vehicle remains stable and comfortable at all times.

The compact and cost-effective design of the system also makes it an attractive solution for a wide range of vehicles. The system is designed to be easily integrated into various vehicle types, from high-performance motorcycles to lightweight electric vehicles and scooters. Its simplicity and efficiency make it a viable option for manufacturers looking to improve the performance and comfort of their vehicles without increasing costs or complexity.

The Rear Tilting Wheel System is applicable to a wide range of vehicles that require superior stability, comfort, and handling performance, particularly those with tilting mechanisms. This includes motorcycles, scooters, three-wheelers, and lightweight electric vehicles, all of which can benefit from the system’s dynamic adaptability to road conditions and improved shock absorption.

For motorcycles and scooters, the system offers enhanced stability and comfort, particularly when navigating sharp turns or uneven surfaces. The ability to dynamically adjust the damping force in real-time ensures that the rider experiences a smoother ride, reducing fatigue and improving overall ride quality. Additionally, the reduction in unsprung weight improves the handling and responsiveness of the vehicle, making it more maneuverable and easier to control.

In three-wheelers and lightweight electric vehicles, the system provides superior stability during tilting maneuvers, which is critical for maintaining safety and preventing tipping. These vehicles are often used in urban environments, where road conditions can vary significantly. The ability to adapt to these conditions ensures that the suspension system provides optimal performance at all times, improving both safety and comfort for the occupants.

The system can also be applied to high-performance vehicles where stability, comfort, and handling are critical. The real-time adjustments made by the shock absorbers and the overall design of the suspension system make it an ideal solution for vehicles that must perform well on both smooth and rough surfaces.

In addition to passenger vehicles, the system could also find applications in light commercial vehicles or delivery vehicles, where stability under varying load conditions is important. By maintaining optimal ride quality and minimizing component wear, the system can contribute to the durability and longevity of these vehicles.

Further objects, features, and advantages of the invention will be readily apparent from the following description of the preferred embodiments thereof, taken in conjunction with the accompanying drawings.

Brief Description of the Drawings

The invention will be further understood from the following detailed description of a preferred embodiment taken in conjunction with an appended drawing, in which:

Fig. 1 illustrates the rear tilting wheel system highlighting the main components, in accordance with an exemplary embodiment of the present invention.

Fig. 2 illustrates the tilt master assembly mounted on the chassis using a pivot bolt, in accordance with an exemplary embodiment of the present invention.

Detailed Description of the Invention

It is to be understood that the present disclosure is not limited to the details of construction and the arrangement of components set forth in the following description or illustrated in the drawings. The present disclosure is capable of other embodiments and of being practiced or carried out in various ways. In addition, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting.

Fig. 1 illustrates the central component of the system, the tilt master assembly (1), which is pivotal in ensuring dynamic stability and adaptability. The tilt master assembly (1) is pivotally mounted to the rear chassis unit (6) via a pivot bolt (not explicitly shown in the figure but referenced in the accompanying specification). This pivotal mounting allows the tilt master assembly (1) to rotate freely around a central axis, enabling it to adjust to varying road conditions in real time. This is a crucial aspect of the invention as it provides the flexibility needed for tilting vehicles to maintain stability and performance during sharp turns and on uneven terrain.

The tilt master assembly (1) is constructed from high-strength, lightweight materials (not visible in the figure but mentioned in the specification), which help reduce unsprung weight while maintaining durability and strength. The pivot mechanism within the tilt master assembly (1) is designed to reduce friction during its movement, ensuring smooth operation and minimizing wear over time. The self-lubricating nature of the pivot mechanism further enhances its longevity and reduces maintenance needs.

In Fig’s 1 and 2a-c, the swing arms (7 and 8) are shown symmetrically positioned on either side of the tilt master assembly (1). These swing arms are essential for distributing the forces exerted during tilting and for supporting the shock absorption process. The swing arms (7 and 8) are connected to the rear chassis unit (6) on one end and to the tilt master assembly (1) on the other end. This symmetrical arrangement ensures that the forces acting on the system during tilting maneuvers are evenly distributed, preventing stress concentration and improving durability.

The swing arms are constructed from reinforced high-strength alloy materials (not shown in the figure but indicated in the description), which ensure that the system can withstand high dynamic forces without compromising on weight. The design of the swing arms (7, 8) helps to maintain stability during vehicle tilting and enhances the overall ride quality by providing better shock absorption.

The shock absorbers (9) are another crucial component in the rear tilting wheel system. As shown in Fig. 1, the shock absorbers (9) are connected between the swing arms (7, 8) and the tilt master assembly (1). These shock absorbers play a key role in absorbing road-induced vibrations and dampening oscillations that arise from uneven surfaces. The adaptive nature of the shock absorbers allows them to dynamically adjust their damping force in response to the magnitude and direction of road-induced impacts.

In situations where the vehicle encounters bumps, potholes, or other road irregularities, the shock absorbers (9) compress and expand to absorb the shock. On smooth surfaces, the shock absorbers adjust to provide less damping, ensuring that the ride remains smooth and comfortable. The ability of the shock absorbers to adapt in real time to road conditions is one of the key features of this invention, as it ensures that the vehicle remains stable and comfortable regardless of the terrain.

The adaptive shock absorbers are linked to an Electronic Control Unit (ECU), which adjusts the damping force based on feedback from sensors that monitor the road surface. This real-time adjustment improves the overall stability and performance of the vehicle, making it particularly effective for vehicles with tilting mechanisms.

The pivot mechanism for the tilt master assembly (1) is another key aspect of the invention. Fig. 1 shows the general arrangement of the system, but the pivot bolt (which is part of the pivot mechanism) is not explicitly shown in the figure. However, it is critical to understand that the pivot bolt is designed to minimize friction and wear. The self-lubricating pivot bolt ensures that the tilt master assembly (1) can articulate smoothly and with minimal resistance. This reduces the wear and tear on the system, extending its operational life and reducing maintenance requirements.

The design of the pivot mechanism ensures that the tilt master assembly (1) can rotate freely, providing the suspension system with the flexibility it needs to adapt to different road conditions. This friction-reduced mechanism also improves the system's efficiency, making the suspension adjustments quicker and more responsive.

The tilt angle limiter (not shown in the figure but referenced in the specification) is another important safety feature in the system. The tilt angle limiter works to ensure that the vehicle does not tilt beyond a safe angle during extreme maneuvers or when encountering uneven terrain. The limiter restricts the tilt angle by mechanically or electronically preventing further tilting once the predefined threshold is reached.

In applications where the vehicle is navigating sharp turns or rough terrain, the tilt angle limiter ensures that the vehicle remains stable, reducing the risk of toppling over. This feature enhances rider safety by maintaining the vehicle within safe tilting angles and preventing excessive tilt during high-speed or high-stress scenarios. The limiter works in conjunction with the other components, such as the swing arms and shock absorbers, to provide optimal stability and comfort.

As shown in Fig’s 1 and 2a-c, the load distribution mechanism is integrated into the swing arms (7 and 8). The swing arms ensure that the forces exerted on the system during tilting are evenly distributed, which helps to minimize stress concentrations on critical components such as the pivot points, swing arms, and shock absorbers. By evenly distributing the forces, the system prevents premature wear and tear on individual parts and enhances the overall durability of the suspension system.

This mechanism is vital for maintaining the system’s longevity, particularly in vehicles subjected to high dynamic forces, such as motorcycles, scooters, and three-wheelers. By preventing stress concentration, the system ensures that all components experience an even load distribution, enhancing their lifespan and reducing the likelihood of failure.

The reinforced materials used for the swing arms (7 and 8) further support this goal, ensuring that the swing arms can withstand high loads without compromising their strength or performance. This feature contributes significantly to the overall durability and reliability of the suspension system.

The invention prioritizes the reduction of unsprung weight, which is a critical factor in improving vehicle performance. In Fig’s 1 and 2a-c, the high-strength, lightweight materials used in the construction of the tilt master assembly (1) and the swing arms (7, 8) are key to achieving this goal. By reducing the weight of components that are not supported by the vehicle’s suspension, the system ensures that the suspension can respond more effectively to road irregularities.

This reduction in unsprung weight improves traction, ride quality, and handling, particularly when the vehicle encounters uneven surfaces or sharp turns. The lightweight design allows the suspension system to be more responsive, resulting in better overall stability and comfort. The design also contributes to the vehicle’s overall efficiency, as less weight leads to improved fuel efficiency and handling characteristics.

Method of Manufacturing
The method of manufacturing the Rear Tilting Wheel System follows a step-by-step process that incorporates precision engineering, the use of high-strength materials, and the assembly of the system’s key components. Below is a detailed description of the method of manufacturing with reference to the components outlined in the invention.

Step 1: Fabrication of the Tilt Master Assembly (1)
The manufacturing process begins with the fabrication of the Tilt Master Assembly (1). This central component is pivotal in the operation of the suspension system and is constructed from high-strength, lightweight alloys to ensure durability while minimizing unsprung weight. The Tilt Master Assembly (1) is designed to be lightweight yet structurally sound, as it must withstand dynamic forces during vehicle tilting.

The Tilt Master Assembly (1) is manufactured through precision casting or forging techniques, which allow for the creation of a strong and durable base. Once fabricated, the component undergoes machining to ensure precise dimensions, especially for the installation of the pivot bolt and the integration of the friction-reduced pivot mechanism (1). The self-lubricating pivot bolt is incorporated into the Tilt Master Assembly (1), ensuring smooth movement and reduced friction during articulation. The assembly is subjected to heat treatment to further enhance the strength of the materials used.

Once the assembly is complete, the component is thoroughly inspected for structural integrity and quality control checks are performed to ensure that all measurements are within tolerance levels, particularly for the pivot joints and mounting points that will later attach to the swing arms (7, 8) and rear chassis unit (6).

Step 2: Construction of the Swing Arms (7, 8)
The next step involves the construction of the swing arms (7 and 8), which are positioned symmetrically on either side of the Tilt Master Assembly (1). These swing arms play a critical role in distributing forces during tilting and shock absorption. The swing arms are fabricated from reinforced high-strength alloys, which are selected for their balance of lightweight properties and durability under dynamic loading.

The swing arms (7, 8) are produced through precision casting or forging to form the initial shape. After the casting or forging process, the components are machined to ensure that they meet the exact specifications required for connecting to the Tilt Master Assembly (1) and the rear chassis unit (6). The swing arms are designed to have symmetrical attachment points to maintain balanced force distribution during tilting.

In the next phase, the swing arms (7, 8) are treated with surface coatings to enhance their corrosion resistance, ensuring that they perform well in diverse environmental conditions. The assembly process involves attaching the swing arms (7, 8) to the Tilt Master Assembly (1) through precision pivot joints. The swing arms are connected to the rear chassis unit (6) using strong, reliable fasteners that ensure their secure attachment during use.

Once the swing arms (7, 8) are assembled, they undergo rigorous testing to check for proper alignment and functionality. Load testing is conducted to ensure that the swing arms can withstand the dynamic forces encountered during tilting maneuvers, including sharp turns and high-speed handling.

Step 3: Manufacturing of Adaptive Shock Absorbers (9)
The shock absorbers (9) are a critical component of the suspension system, responsible for absorbing road-induced vibrations and providing stability. The manufacturing process for the shock absorbers (9) begins with the creation of the shock absorber housing, which is typically fabricated from high-strength aluminum alloys to maintain durability while keeping weight low. The housing is precision-machined to accommodate internal components such as the adjustable damping mechanism.

The adaptive shock absorption mechanism is the core technology behind these shock absorbers, allowing them to modulate the damping force in real-time based on the road conditions. The internal components, such as hydraulic pistons, compression springs, and valve systems, are assembled within the shock absorber housing. These components are carefully calibrated to ensure they function together efficiently, with the adaptive damping feature integrated either mechanically or through an electronic control unit (ECU), which is connected to road surface sensors.

After the shock absorbers are assembled, they undergo testing for damping performance. This includes checking the range of damping adjustments that the system can make and ensuring that the shock absorbers can respond to various road conditions, from smooth surfaces to rough, uneven terrain. Quality control checks are performed to verify that the shock absorbers meet the required specifications for reliability, durability, and adaptability.

Step 4: Assembly of the Pivot Mechanism
The pivot mechanism (1) used in the Tilt Master Assembly (1) is integral to ensuring smooth movement during articulation. The pivot bolt is manufactured using high-strength steel to provide the required strength and durability. The bolt undergoes surface treatment such as hardening or coating to ensure that it resists wear and corrosion over time.

The pivot mechanism is then assembled into the Tilt Master Assembly (1). The self-lubricating pivot bolt is inserted into the pivot joint, and the friction-reduced pivot mechanism is tested for smooth articulation. This testing ensures that the Tilt Master Assembly (1) can rotate freely around the pivot point without undue resistance, minimizing friction and wear during the system's operation.

The manufacturing of the pivot mechanism also includes the installation of precision bearings (not shown in the figures) that support the smooth rotation of the Tilt Master Assembly (1). These bearings are designed to handle the stresses exerted during tilting and ensure that the system operates efficiently.

Step 5: Integration of the Tilt Angle Limiter
The tilt angle limiter (not shown in the figures but referenced in the description) is a safety feature that ensures the vehicle does not tilt beyond a predefined threshold. The tilt angle limiter is integrated into the suspension system after the assembly of the Tilt Master Assembly (1) and swing arms (7, 8). The limiter is typically a mechanical or electronic device that restricts the range of tilt, preventing excessive tilting during sharp turns or uneven terrain.

The tilt angle limiter is calibrated to work in tandem with the shock absorbers (9) and the swing arms (7, 8). It is designed to activate when the vehicle begins to exceed a safe tilt angle, ensuring that the system provides optimal stability and prevents toppling. The manufacturing process for the tilt angle limiter involves precision engineering to ensure that it activates accurately and effectively during tilting maneuvers.

Step 6: Assembly of the Complete Suspension System
Once all the components—Tilt Master Assembly (1), swing arms (7, 8), shock absorbers (9), pivot mechanism, and tilt angle limiter—are individually manufactured, they are ready for final assembly. The assembly process involves attaching the swing arms (7, 8) to the Tilt Master Assembly (1) via the pivot joints, ensuring proper alignment and secure attachment.

The shock absorbers (9) are then connected to the Tilt Master Assembly (1) and the swing arms (7, 8), ensuring that they are positioned correctly for optimal shock absorption and dynamic damping. The rear chassis unit (6) is then attached to the system, completing the rear suspension setup.

During the final assembly, quality control checks are performed to verify the alignment, functionality, and durability of the system. This includes load testing the entire assembly to ensure that the system can handle the forces exerted during vehicle tilting and road impacts. The system is also tested for smooth operation, ensuring that all components work together seamlessly and that the vehicle remains stable and comfortable under a range of conditions.

Step 7: Final Testing and Quality Assurance
To ensure that the Rear Tilting Wheel System meets the necessary performance, safety, and durability standards, a series of rigorous testing procedures are performed on the system's components and the complete assembly. These tests validate the system’s capabilities under various operational conditions, ensuring it provides optimal stability, comfort, and safety in real-world applications. Below is a description of the testing standards and the results derived from these tests.
Load Testing and Structural Integrity
The first testing standard applied to the Rear Tilting Wheel System is load testing, which measures the system’s ability to withstand dynamic forces during vehicle operation. This test is performed on both individual components, such as the Tilt Master Assembly (1) and swing arms (7, 8), as well as the complete suspension system. The test simulates high-stress conditions such as sharp turns, high-speed maneuvers, and rough terrain to evaluate how well the components hold up under extreme forces.

The Tilt Master Assembly (1) and swing arms (7, 8) are subjected to varying loads to ensure that the system can handle the forces typically encountered in real-world scenarios. The assembly undergoes both static and dynamic load tests to assess the distribution of forces and confirm that the components remain within their design limits. The swing arms (7, 8) are tested for load-bearing capacity, checking for any potential deformation or failure under stress. Results from these tests indicate that the Rear Tilting Wheel System provides superior load distribution, with the forces evenly spread across the system to minimize stress concentrations on individual components, which helps to ensure their longevity and reliability.

Durability Testing and Wear Resistance
Durability testing is critical in assessing the long-term performance of the system. This test simulates extended usage over time and measures the wear and tear on critical components such as the pivot mechanism and the shock absorbers (9). The goal is to determine the system’s ability to perform reliably under continuous stress, including both cyclic loading (repeated application of forces) and impact loading (sudden shocks).

During cyclic testing, the suspension system is subjected to thousands of repetitions of normal vehicle operation, including maneuvers such as tilting, cornering, and navigating uneven surfaces. This test checks for material fatigue, ensuring that the pivot mechanism and shock absorbers (9) do not suffer from premature failure. The results from this test show that the Rear Tilting Wheel System demonstrates exceptional durability, with no significant signs of wear or degradation in the pivot mechanism (1) or shock absorbers (9) even after extensive use. This highlights the system's ability to provide long-lasting performance under typical operational conditions.

In addition to cyclic loading, the system undergoes impact resistance testing to simulate sudden shocks that can occur when the vehicle encounters road irregularities such as potholes, curbs, or large bumps. The system is tested for its ability to absorb these shocks without causing permanent damage or reducing its functionality. Results show that the shock absorbers (9) effectively dampen road-induced impacts, protecting the system from damage and ensuring that the vehicle remains stable.

Real-Time Performance Testing and Adaptability
Real-time performance testing is essential to evaluate how the system adapts to changing road conditions. This test measures the responsiveness of the adaptive shock absorbers (9), which modulate their damping force in real-time based on road feedback. The Electronic Control Unit (ECU) that governs the shock absorption system is subjected to various driving conditions, including high-speed maneuvers, sharp turns, and rough, uneven surfaces.

The system is tested both in a controlled environment (using specialized test tracks) and in real-world conditions. During these tests, sensors placed on the vehicle feed road condition data to the ECU, which adjusts the damping force of the shock absorbers (9) accordingly. Results show that the shock absorbers adjust quickly and precisely to changes in the road surface, providing real-time stability and maintaining optimal ride comfort. The real-time adaptability of the system is confirmed, with the shock absorbers (9) providing enhanced stability during high-speed cornering, braking, and on rough, uneven surfaces.

Additionally, the Tilt Master Assembly (1) and swing arms (7, 8) are tested for their ability to respond to lateral forces during sharp turns. The load distribution and stress reduction achieved by the system are validated during this process. The results indicate that the system performs excellently in maintaining vehicle stability during aggressive maneuvers, with no significant loss of control or discomfort.

Tilt Angle Limiter and Safety Testing
The tilt angle limiter is subjected to a series of safety tests to ensure that it activates accurately and effectively when the vehicle tilts beyond a predefined threshold. The system is tested by simulating extreme tilting conditions, including sharp turns at high speeds and sudden shifts in the vehicle’s center of gravity due to uneven terrain.

During these tests, the tilt angle limiter prevents the vehicle from tilting beyond a safe angle, ensuring that the vehicle remains stable and preventing it from tipping over. The test results confirm that the tilt angle limiter activates precisely when needed, restricting excessive tilt and maintaining rider safety. This feature significantly improves the overall safety of the vehicle, especially in high-speed or challenging driving conditions.

Handling and Ride Quality Testing
To evaluate the overall performance of the Rear Tilting Wheel System, a comprehensive handling and ride quality test is conducted. This includes both subjective assessments (rider comfort and feedback) and objective performance measurements (vehicle handling, stability, and responsiveness). The test evaluates how well the system handles varying road surfaces, from smooth highways to rough, uneven roads.

The system is subjected to high-speed maneuvers, sharp cornering, and uneven terrain to assess its ability to maintain stability and comfort. The unsprung weight of the system is measured to ensure that it is optimized for better handling and responsiveness. The results indicate that the system excels in these tests, providing improved traction, smoother ride quality, and enhanced stability during both low and high-speed driving. The dynamic shock absorption and load distribution mechanisms work together to reduce the impact of road irregularities, resulting in a comfortable ride for both the rider and passengers.

Environmental Testing
To ensure that the Rear Tilting Wheel System performs well under a variety of environmental conditions, the system undergoes environmental testing. This includes exposure to extreme temperatures, humidity, and corrosive environments to evaluate how the materials and components of the system withstand harsh conditions.

The materials used for the Tilt Master Assembly (1), swing arms (7, 8), and shock absorbers (9) are tested for corrosion resistance and weather durability. The results show that the materials maintain their strength and performance, even under extreme weather conditions such as high humidity or salt exposure. The system performs well under temperature extremes, with no significant degradation in its functionality, ensuring long-term reliability even in challenging climates.

The testing standards and results confirm that the Rear Tilting Wheel System performs at the highest levels in terms of stability, comfort, durability, safety, and performance. The system has passed rigorous load tests, durability tests, and real-time adaptability tests, ensuring that it can handle the dynamic forces encountered during vehicle operation. Additionally, the tilt angle limiter has been proven to improve safety by preventing excessive tilting, and the system's handling and ride quality have been validated for both high-speed and low-speed conditions.
, C , Claims:5. CLAIMS
We Claim
1. A rear tilting wheel system for vehicles, comprising:
a tilt master assembly (1), pivotally mounted on a rear chassis unit (6), enabling free rotation about a pivot axis;
a pair of swing arms (7, 8), symmetrically positioned and connected to the rear chassis unit (6), allowing dynamic articulation;
two shock absorbers (9), each operatively connected between the swing arms (7, 8) and the tilt master assembly (1) to dampen road-induced oscillations;
Characterized by,
the tilt master assembly (1) dynamically adjusting its rotational articulation based on variations in shock absorber (9) compression and expansion, induced by road conditions, ensuring optimized stability and shock absorption in real time;
an integrated load distribution mechanism within the swing arms (7, 8) that balances forces exerted during tilting and minimizes stress concentration on individual components, significantly enhancing the system's durability;
a friction-reduced pivot mechanism for the tilt master assembly (1) to allow smooth and efficient rotation, contributing to a reduction in wear and extending the operational lifespan of the system;
an adaptive shock absorption system that modulates the damping force in real-time, responding to the magnitude and direction of road-induced impacts, thereby providing improved stability and comfort across varying road conditions;
a tilt angle limiter designed to prevent excessive tilting during sharp turns or uneven terrains, enhancing vehicle stability and rider safety during high-speed maneuvers or challenging terrains;
a lightweight and compact design of the tilt master assembly (1) and swing arms (7, 8) reduces unsprung weight, contributing to enhanced ride quality, improved handling, and fuel efficiency in the vehicle.
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2. The system as claimed in claim 1, wherein the shock absorbers (9) include an adjustable damping mechanism, enabling dynamic customization of the damping force based on the vehicle’s load and the prevailing road conditions.

3. The system as claimed in claim 1, wherein the Tilt Master Assembly (1) comprises a self-lubricating pivot bolt, reducing friction and wear over extended periods of use.

4. The system as claimed in claim 1, wherein the swing arms (7, 8) are constructed from reinforced high-strength alloy materials, ensuring lightweight design and durability under high-load conditions.

5. The system as claimed in claim 1, wherein the swing arms (7, 8) include integrated load sensors, designed to monitor and balance force distribution during vehicle tilting, improving performance and longevity.

6. The system as claimed in claim 1, wherein the adaptive shock absorption system is controlled by an electronic control unit (ECU), enabling real-time adjustments to damping based on road surface feedback.

7. The system as claimed in claim 1, wherein the system includes a tilt angle limiter configured to restrict excessive tilt angles, thereby ensuring the vehicle remains stable during sharp turns or challenging terrains, thus improving rider safety.

8. The system as claimed in claim 1, wherein the pivot bolt (1) of the Tilt Master Assembly is treated with anti-corrosion coatings to ensure longevity in varying environmental conditions.

9. The system as claimed in claim 1, wherein the shock absorbers (9) are positioned at an optimized angle relative to the swing arms (7, 8) to maximize energy absorption and reduce vertical oscillations, enhancing overall vehicle stability.

10. A method of manufacturing the rear tilting wheel system as claimed in claim 1, comprising the steps of:
fabricating the tilt master assembly (1) from lightweight, high-strength alloys, incorporating the self-lubricating pivot bolt to minimize friction and wear during pivoting.
constructing the swing arms (7, 8) from reinforced high-strength alloy materials, integrating load sensors to balance forces during tilting, ensuring the system is dynamically responsive and durable.
assembling the shock absorbers (9) with an adjustable damping mechanism, connecting them between the swing arms (7, 8) and tilt master assembly (1), ensuring that the damping force adjusts dynamically in response to road conditions.
installing the friction-reduced pivot mechanism for the tilt master assembly (1), ensuring smooth articulation and minimal wear, contributing to system longevity.
integrating a tilt angle limiter to restrict excessive tilt angles and ensure stability and safety during sharp turns or uneven terrain.
assembling all components, ensuring precise alignment to achieve optimized load distribution, dynamic shock absorption, and overall system stability.
testing the complete system to ensure optimal vehicle stability, ride comfort, and safety under varying operational conditions.