DESC:TECHNICAL FIELD
[0001] The present subject matter generally relates to a two-wheeled vehicle, and more particularly, but not exclusively, to an arrangement of a canister mounted on the two-wheeled vehicle.
BACKGROUND
[0002] Generally, a fuel tank is mounted to a frame assembly of the two-wheeled vehicle. The fuel tank has a fuel tank-cap for filling the fuel. Typically, a portion of the fuel stored in a fuel tank of the two-wheeled vehicle gets evaporated continuously to the atmosphere through a breather hole provided in a fuel tank cap, thereby contributing to atmospheric emissions.
[0003] In recent years, there has been an increasing demand to control evaporative emissions from automobiles, for example two wheeled motorcycles including motorbikes and scooter type motorcycles, in view of the stringent environmental norms. Thus, in order to arrest the loss of fuel due to evaporation and to control evaporative emissions from the fuel tank, a fuel evaporation gas emission suppression device using activated carbon, and commonly referred to as ‘canister’ is provided. Such canister aids in controlling hydrocarbon emissions and enables reuse of the evaporated fuel without releasing it to the atmosphere.
[0004] Typically, such canister is provided to collect the evaporative gas that is adsorbed and prevented from being escaped into atmosphere. Moreover, in evaporative emission control (EVAP) system, the fuel vapors generated in the fuel tank is tapped and passed to the canister through a discharge tube. The vapors get adsorbed in the carbon layer inside the canister. The adsorbed vapors are then sent to the engine of the two-wheeled vehicle for combustion. Further, a purge valve is provided for purging the fuel collected in canister to a carburetor.
[0005] Further, it is well known that activated carbon, a major constituent of the canister, plays an important role in controlling evaporative emissions. Activated carbon has a tendency to adsorb and store more amount of evaporated fuel when cooled and desorb the evaporated fuel easily when warmed up. Thus, temperature at which the canister is maintained is important from the point of view of efficient performance of the canister. Specifically, it is preferred that the canister be warmed up during the operation of engine, and be cooled down when the engine is turned off, for optimal performance of the canister. Moreover, it is desirable to mount the canister close to the fuel tank so that a need for providing a lengthy/long discharge hose can be done away with.
BRIEF DESCRIPTION OF DRAWINGS
[0006] The detailed description is described with reference to the accompanying figures, which is related to a two-wheeled vehicle being one embodiment of the present subject matter. However, the present subject matter is not limited to the depicted embodiment(s) and is applicable to all kinds of vehicle such as two-wheeled vehicle, three-wheeled vehicle, four-wheeled vehicle and the like. In the figures, the same or similar numbers are used throughout to reference features and components.
[0007] Fig. 1 depicts a typical left-side view of an exemplary two-wheeled vehicle in accordance with an embodiment of the present subject matter.
[0008] Fig. 2 illustrates an enlarged general assembly view of the vehicle describing the location of the canister in accordance with an embodiment of the present subject matter.
[0009] Fig. 3 illustrates an exploded general assembly top view of the essential components of the canister mounting arrangement in the vehicle in accordance with an embodiment of the present subject matter.
[00010] Fig. 4 illustrates another exploded general assembly rear view of the essential components of the canister mounting arrangement in the vehicle in accordance with an embodiment of the present subject matter.
[00011] Fig. 5 illustrates a general assembly view of the canister and the fuel tank in the vehicle in accordance with an embodiment of the present subject matter.
[00012] Fig. 6 illustrates a rear view of the vehicle illustrating the location of the canister and the canister mounting arrangement on the controller mounting bracket in accordance with an embodiment of the present subject matter.
[00013] Fig. 7 shows the canister with a rubber boot in accordance with an embodiment of the present subject matter.
[00014] Fig. 8 illustrates an exploded canister assembly illustrating the rubber boot and the various hoses emanating from the canister in accordance with an embodiment of the present subject matter.
[00015] Fig. 9 (a) illustrates the canister in accordance with an embodiment of the present subject matter.
[00016] Fig. 9 (b) illustrates the rubber boot with mounting slots in accordance with an embodiment of the present subject matter.
[00017] Fig. 9 (c) illustrates the canister fitted with the rubber boot on the top portion in accordance with an embodiment of the present subject matter.
[00018] Fig. 10 illustrates a controller mounting bracket in accordance with an embodiment of the present subject matter.
[00019] Fig. 11 (a) illustrates the canister fitted with the rubber boot mounted on the controller mounting bracket in accordance with an embodiment of the present subject matter.
[00020] Fig. 11 (b) illustrates an exploded view of the canister fitted with the rubber boot which is mounted on the controller mounting bracket in accordance with an embodiment of the present subject matter.
DETAILED DESCRIPTION
[00021] Exemplary embodiments detailing features of a canister mounting arrangement in a two-wheeled vehicle, in accordance with the present subject matter will be described hereunder with reference to the accompanying drawings. Although the following description exemplifies an example of the canister mounting arrangement in a two-wheeled vehicle, the present subject matter is not limited thereto. For example, canister mounting arrangement according to the present subject matter may be applied to a two-wheeled, three-wheeled vehicle or a four-wheeled vehicle of another type. Various aspects of different embodiments of the present subject matter will become discernible from the following description set out hereunder. Rather, the following description provides a convenient illustration for implementing exemplary embodiments of the invention. Further, it is to be noted that terms “upper”, “lower”, “right”, “left”, “front”, “forward”, “rearward”, “downward”, “upward”, “top”, “bottom” and like terms are used herein based on the illustrated state or in a standing state of the two-wheeled vehicle with a driver riding thereon. Furthermore, a vehicle longitudinal axis refers to a front to rear axis relative to the two-wheeled vehicle, while a vehicle lateral axis refers to a side to side, or left to right axis relative to the two-wheeled vehicle. Also, 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.
[00022] Generally, a two-wheeled vehicle includes a frame assembly that comprises a head tube, a main tube, a down tube and one or more rear tube(s). An engine assembly is mounted to the down tube. A fuel tank is mounted to the frame assembly and the fuel tank is functionally connected to the engine assembly, for supplying fuel. A rear wheel is rotatably supported by the swing arm, which is pivotally connected to the frame assembly. The engine assembly is disposed at a lower portion to the down tube. The engine assembly is forwardly inclined and is disposed along the longitudinal direction of the vehicle. The transmission system transfers the power from the engine assembly to the rear wheel.
[00023] Typically, an air induction assembly is mounted to a down portion of the main tube. A canister is disposed at a forwardly upward portion of the air induction assembly. The fuel tank is disposed at a substantial height with respect to the height of the canister. Herein, the air induction assembly is provided with a cavity to accommodate the canister. Such canister is positioned along the vehicle width direction. Further, the canister mounted to the air induction assembly is positioned rearwardly downward of the head tube. This enables the canister to be in proximity to the carburetor, which is disposed rearwardly of the air induction assembly.
[00024] Moreover, a purge valve mounted to the air induction assembly connects the canister to the carburetor. The purge valve enables supplying of fuel adsorbed by carbon particles or the like to the carburetor, through a purge hose assembly. Herein, the length of purge hose assembly is kept minimal, as the carburetor is optimally mounted to the air induction assembly.
[00025] Typically, the bigger the volume of the air induction assembly, higher is the air intake pressure that increases the efficiency of the combustion inside the combustion chamber within a limited time to improve fuel economy, power output and exhaust emissions, thereby ultimately improving the engine performance. Better combustion also leads to reduced unburned components such as carbon (C), hydrogen (H2), carbon monoxide (CO) and hydroxide (OH), which results in cleaner emissions. However, in the existing vehicles, the air induction assembly is placed in the inner side of the vehicle between the frame assembly and the fuel tank while the canister is placed at a forwardly upward portion of the air induction assembly, thereby resulting in space limitations for a bigger size induction box to be employed in the two-wheeled vehicle to increase the engine performance. Due to such space restrictions because of the canister being placed in the front portion of the air induction assembly, typically, a lesser volume air induction assembly is employed in the two-wheeled vehicles which results in affecting the performance of the engine due to lesser air intake pressure inside the air induction assembly, thus affecting the efficiency of the combustion process, thereby ultimately leading to decreased engine performance.
[00026] Certain attempts have been made to solve the afore-mentioned problem by providing a canister installation structure for a fuel evaporation system in the fuel tank itself. The canister is fixed to the inner portion of the fuel tank in a space between the fuel tank and the frame assembly with at least one fuel hose connected to the fuel tank and at least two fuel hoses being left open to the atmosphere. The canister is attached to the fuel tank above the frame assembly by means of one or more brackets. However, such a canister mounting arrangement results in a complex layout with interference of parts like ignition coil, wiring harness, and high chances of the canister and the fuel hoses getting pinched with the frame assembly. The arrangement further requires sufficient space to be provided between the fuel tank and the frame assembly for which the inner portion of the fuel tank has to be modified which further reduces the volume of the fuel tank.
[00027] Furthermore, such arrangements also exist which employs installation of bigger sized canister without affecting the vehicle aesthetics where the canister is placed in the space between the fuel tank and the frame assembly. The canister is attached by means of a plate being attached in between the left & right frame tubes of the frame assembly. However, such arrangement again results in a complex layout with interference of parts such as ignition coil, wiring harness, and inner portion of the fuel tank with the canister mounting arrangement and high chances of rubber hoses getting pinched with the left and right frame tubes of the frame assembly. Herein, the assembly and serviceability of the canister along with the air induction assembly and the fuel hoses in the two-wheeled vehicle becomes difficult due to the complex layout and little space available for accessing such parts in the two-wheeled vehicle. Further, the arrangement further requires sufficient space to be provided between the fuel tank and the frame assembly for which the inner portion of the fuel tank has to be modified which further reduces the volume of the fuel tank.
[00028] Moreover, since the canister is disposed at a location above the engine, heat from the engine further heats up the canister, thereby affecting performance of the canister. Also, the existing canister mounting arrangement employs a separate canister mounting bracket made up of plastic with at least one or more plastic straps to mount the canister to the frame tubes and the air induction assembly. It further utilizes at least one or more rubber hoses to allow air intake and release back to the atmosphere along with one rubber hose for carrying the fuel vapors to the fuel tank. However, due to continuous heat being transferred from the engine to the area where the canister is located, there arises chances of melting of the plastic bracket, plastic straps and the rubber hoses, thereby requiring frequent replacement of such components utilized for mounting the canister to the frame tubes. Thus, it is desirable that the canister should be positioned in such a manner that it is protected from environmental disturbances and engine heat.
[00029] Moreover, such a complex arrangement leaves little room for ventilation of the area surrounding the canister and the air induction assembly as it is enclosed from all sides, thereby affecting the functionality of the canister and the air induction assembly.
[00030] Further, in said arrangement, the fuel hose of the canister carrying the fuel to the fuel tank has to be bent at multiple locations before being connected to the canister so as to prevent flow of liquid fuel back into the canister, thereby making the routing of the fuel hose difficult and the overall arrangement of the canister cumbersome.
[00031] Also, in the existing arrangement, due to the canister and the air induction assembly being placed in a remote area between the fuel tank and the left and right frame tubes of the frame assembly, there arises a difficulty in accessing the canister and the air induction assembly for serviceability and maintenance purposes. The entire canister mounting arrangement as well as the air induction assembly needs to be dismantled to service and /or access the neighboring parts. The canister bracket mounted on the frame assembly utilizing the plastic straps needs to be cut every time for dismantling the canister. Further, while assembling the canister again post servicing, new plastic straps have to be utilized every time. Therefore, it is a challenging task to package the canister and the air induction assembly due to vehicle layout constraints and space limitations in the two-wheeled vehicles.
[00032] Further, there are chances of water entering inside the canister and the engine during water service as a high-pressure jet is used for splashing water to clean the vehicle. During this, if the canister is placed below the fuel tank or near the engine, high pressurized water may easily reach the canister. Also, during heavy rain & flood conditions, the canister tends to get drained easily, resulting in damage of the canister and the engine by water entry through purge control valve. Moreover, while riding the vehicle dusty/rough roads or even in normal roads, dust gets accumulated in the small spaces. Such dust particles may reach the canister through the canister hoses, leading to decreased efficiency of the functionality of the canister. Moreover, dust particles may also reach the purge control valve & either damage the purge control valve or reach the engine or both.
[00033] Thus, there arises a need for a canister mounting arrangement that is located in the vehicle in such a manner that helps increase the size of the air induction assembly, thereby leading to increased engine performance. It is also desirable to have the canister mounting arrangement located at such a place from where it is easily accessible, serviceable, providing ease of assembly and disassembly, and that does not affect the functionality and serviceability of the adjacent/interfacing parts, including the air induction assembly, frame assembly, and the fuel tank. It is further preferable to have the canister mounting arrangement at such a location where the canister is prevented from the heat directly being transferred from the engine and also that saves the canister from entry of water and/or dust particles. Moreover, it is also desirable to have such a canister mounting arrangement that ensures that the hoses emerging from the canister are securely routed so that probability of snapping of the hoses is minimized.
[00034] Thus, it is an aim of the present subject matter to provide a canister mounting arrangement at such a location that results in increasing the size of the air induction assembly, thereby leading to increased engine performance without requiring any major constructional changes in the existing layout of the vehicle with minimal design changes.
[00035] It is yet another aim of the present subject matter to provide a canister mounting arrangement at a desired location wherein the canister is easily accessible, serviceable and provides ease of assembly and disassembly.
[00036] Further, another aim of the present subject matter is to provide a canister mounting arrangement to mount the canister at such a location that does not affect the functionality and serviceability of the adjacent/ interfacing parts while the canister and/ or fuel tank assembly is being serviced.
[00037] It is another aim of the present subject matter to provide a canister mounting arrangement at such a location that protects the canister from the heat directly transferred from the engine to the canister.
[00038] It is yet another aim of the present subject matter to provide a canister mounting arrangement at such a location that helps in preventing the entry of dust and/ or water inside the canister through the hoses.
[00039] It is further an aim of the present subject matter to have a canister mounting arrangement that ensures that the hoses emerging from the canister are securely routed so that probability of snapping of the hoses is minimized.
[00040] Moreover, another aim of the present subject matter is to have canister mounting arrangement which eliminates the requirement of any separate brackets or frequent replacement of plastic straps being cut each time for serviceability of the canister mounting, thereby providing a cost-efficient canister mounting arrangement with lesser parts.
[00041] According to a preferred embodiment, a vehicle is disclosed comprising a frame assembly that includes a pair of left frame tube and right frame tube, a fuel tank disposed above the frame assembly and formed so as to cover the frame assembly from above and both sides; a controller mounting bracket mounted on the left frame tube; a canister that recovers evaporated fuel in the fuel tank. Herein, the canister is mounted on the controller mounting bracket on a left side of said vehicle when viewed from a rear portion of said vehicle.
[00042] In another embodiment, the canister is disposed between the controller mounting bracket and a side panel on the left side of the vehicle when viewed from the rear portion of the vehicle.
[00043] In yet another embodiment, the controller mounting bracket comprises at least one or more vertically-elongated mounting lugs extending outwardly from one or more sides of said controller mounting bracket.
[00044] In another embodiment, the one or more vertically-elongated mounting lugs of the controller mounting bracket includes at least one mounting stopper portion and at least one or more mounting lock portion.
[00045] In a further embodiment, a rubber boot is provided to securely hold the canister. Herein the rubber boot includes one or more mounting slots on the sides of the rubber boot.
[00046] In another embodiment, at least one of the mounting slots of the rubber boot is configured to engage with said at least one mounting stopper portion and at least one or more mounting lock portion to securely hold the canister.
[00047] The present subject matter along with all the accompanying embodiments and their other advantages would be described in greater detail in conjunction with the figures in the following paragraphs.
[00048] According to a preferred embodiment, a two-wheeled vehicle with a frame assembly is described herein. However, the scope of the present subject matter is not limited to only two-wheeled vehicles but is applicable to all kinds of two-wheeled, three-wheeled and four-wheeled vehicles wherever a canister mounting arrangement is involved. It is pertinent to note that the engine in the two-wheeled may be mounted in different arrangements such as in transverse and longitudinal fashion. However, in the ensuing description, such engine is transversely mounted at a lower portion of the two-wheeled vehicle. It is contemplated that the concepts of the present subject matter may be applied to other types of vehicles and other types of engines within the spirit and scope of this subject matter. Thus, it is also to be understood that the scope of the present subject matter is not limited to only canister mounting in two-wheeled vehicles but also in three-wheeled vehicle or four-wheeled vehicle and the like with a fuel tank assembly; The detailed explanation of the constitution of parts other than the present subject matter which constitutes an essential part has been omitted at suitable places.
[00049] The present subject matter is further described with reference to accompanying figures. It should be noted that the description and figures merely illustrate principles of the present subject matter. Various arrangements may be devised that, although not explicitly described or shown herein, encompass the principles of the present subject matter. Moreover, all statements herein reciting principles, aspects, and examples of the present subject matter, as well as specific examples thereof, are intended to encompass equivalents thereof.
[00050] The canister mounting arrangement may be implemented in any type of vehicle. However, for the purpose of explanation and by no limitation, the canister mounting arrangement, and corresponding additional advantages and features are described through the following embodiments. Arrows wherever provided on top right corner of the figure represent direction with respect to vehicle. Arrow F represents forward direction, arrow R represents rearward direction, arrow UW represents upward direction and arrow DW represents downward direction.
[00051] Referring to Fig.1, a vehicle 100 includes a frame assembly 205 (not shown in Fig.1) that defines the skeleton of the vehicle 100. The vehicle 100 includes a front wheel 150, an engine 180, a seat 130, a rear wheel 140, a fuel tank 110, a side panel 170 and a canister 120. The fuel tank 110 is arranged over the frame assembly 205. The seat 130 is arranged immediately behind the fuel tank 110 and is supported by the frame assembly 205. The front wheel 150 is rotatably supported by the front forks (not shown in figure) coupled to the frame assembly 205 and has front brake disc 160. The front forks are coupled to a steering shaft (not shown in figure) through a bridge (not shown in figure) which is supported on the head pipe (not shown in figure). The steering shaft is supported so as to be rotatable left and right with respect to a travelling direction of the vehicle 100. The engine 180 is a power unit that generates drive force of the vehicle 100. The engine 180 includes a crankcase (not shown in figure), cylinder body (not shown in figure), and a cylinder head (not shown in figure), and generates power which is transmitted to the rear wheel 140 through a drive chain. The engine 180 is an air-cooled engine and is supported by, among other parts by a lower portion of the frame assembly 205. The throttle body (not shown in figure) supplies an air fuel mixture to the engine 180. The throttle body is located behind the engine 180 and at least partially below the fuel tank 110.
[00052] Referring to Fig. 2, Fig.3 and Fig. 4, which illustrates general assembly view of the essential components of the canister mounting arrangement in the vehicle in accordance with an embodiment of the present subject matter which discloses that the canister 120 is mounted on a controller mounting bracket 310. Herein, the controller mounting bracket 310 is mounted to a left frame tube 210 of the frame assembly 205 on the left side of the vehicle 100 when viewed from a rear portion of the vehicle 100. The frame assembly 205 comprises of a right frame tube 215 also along with the left frame tube 210. Moreover, in an embodiment, the canister 120 is covered on the left side when viewed from the rear portion of the vehicle 100 through a side panel 170. Thus, the canister 120 is mounted on the controller mounting bracket 310 in the existing vehicle layout by utilizing the dead space between the left side of the vehicle 100 and in-between left frame tube 210 and the side panel 170 to mount such canister using existing controller mounting bracket 310 that leads to effective utilization of the existing unused spaces in the vehicle 100. Also, the controller mounting bracket 310 may include but not limited to any electronic control unit (ECU) such as engine control unit, brake control unit and the like. Such ECU is disposed inside the controller mounting bracket 310 and in between the left frame tube 210 and the controller mounting bracket 310. Herein, a minimum operating gap is maintained between the side panel 170 and the canister 120 to prevent any damage to the canister 120 while assembling the vehicle 100 and to further prevent any kind of rattling noise occurring due to close contact of the canister 120 and the side panel 170. Moreover, due to the location of the canister 120 being placed at a location far away from the engine 180 prevents it from the heat directly being transferred from the engine 180 and also saves the canister from entry of water and/or dust particles since the hoses are appropriately covered by the side panel 170.
[00053] Referring to Fig. 5 and Fig. 6 which illustrates a left side view and a rear general assembly view of the canister and the fuel tank in the vehicle in accordance with an embodiment of the present subject matter respectively discloses the fuel tank 110 which is having a fuel tank cap 510 provided to fill fuel by opening and closing it. Herein the canister 120 has a rubber boot 710 mounted over it that holds the canister 120 securely (also shown in Fig. 8). The canister 120 has a drain hose 810 which is connected to the canister 120 through a drain port 910c (as shown in Fig. 9(a)) whose one end is opened near the bottom portion of the vehicle 100 that drains out the cleaned air after the fuel vapor is adsorbed and removed and is to be discharged into the atmosphere. The canister 120 further has an air hose 815 connected to the canister 120 through an air port 901d for air inlet and air outlet for enabling breathing of fuel tank. The canister 120 also has a fuel hose 820 connected to the canister 120 through a fuel tank port 901a (as shown in Fig. 9(a)) which is further connected to the fuel tank 110. A liquid vapour separator (not shown in figure) separates the fuel vapors inside the fuel tank 110. The vapor chamber is kept inside the fuel tank cap 510. Due to condensation of fuel vapors inside the walls of the vapor tube (not shown in figure), the liquid fuel may enter the canister 120. This is prevented by routing the fuel hose 820 which is connected to the vapor tube inside the fuel tank above the fuel tank 110. Even if liquid fuel forms, the fuel will fall back into the fuel tank 110 through vapor chamber due to gravity. Herein, since the canister 120 is placed on the left-hand side of the vehicle 100, it eliminates the possibility of entry of liquid fuel inside the canister 120 formed in a vapor tube (not shown in figure) due to condensation.
[00054] In an embodiment, a roll over valve (not shown in figure) is integrated inside the fuel tank cap 510 and hence separate roll over valve & vapor trap assembly is avoided. Moreover, in a metal fuel tank, a metal tube is welded between the inner surface of the fuel tank and the outer surface of the fuel tank 510. The outer end of the metal tube is provided with either a metal bush or left as it is (in tank outer), the other end of the tube at the tank inner end is connected to canister. The metal tube is leak proof welded with inner surface of fuel tank and outer surface of fuel tank 510. Thus, the requirement of separate roll over valve and vapor trap assembly is eliminated. It also helps in preventing the fuel entry back into the canister 120.
[00055] Further, the canister 120 has a purge valve hose 825 connected to the canister 120 through a purge valve port 901b (as shown in Fig. 9 (a)) which is further connected to a purge valve (not shown in figure). Herein, the purge valve hose 825 is routed in-between canister and purge control valve (not shown in figure) without disturbing the adjacent parts and routed from left side of the vehicle 100 to right side of vehicle 100. Herein, the purge control valve is located in the right side of the vehicle 100 nearby a pillion handle exactly opposite to the side of canister mounting. Thus, herein the present subject matter utilizes existing hoses to reduce the additional cost of utilizing new hoses with increased hose length for routing it to the fuel tank. Such arrangement further results in eliminating the problem of liquid fuel entry formed in a vapor tube due to condensation into the canister 120. This is achieved by routing the fuel hose 820 above the fuel tank 110. Also, the purge valve hose 825 from the canister 120 to purge control valve is made as short as possible, which leads to effective storing of fuel vapors inside the canister 120. Minimizing the length of the hoses helps in reducing the evaporative emission through permeation and also improves the cost effectiveness of the vehicle 100.
[00056] In another embodiment, the canister 120 is having a rubber boot 710 (as shown in Fig. 7, Fig. 9 (b) and Fig. 9(c)) wherein the rubber boot 710 is provided to securely hold the canister 120. The rubber boot includes one or more mounting slots (910, 920) on the sides of said rubber boot 710. In another embodiment, referring to Fig. 10, which discloses the controller mounting bracket 310 wherein said controller mounting bracket 310 comprises at least one or more vertically-elongated mounting lugs 320 extending outwardly from one or more sides of said controller mounting bracket 310. Herein, one or more vertically-elongated mounting lugs 320 includes at least one mounting stopper portion 320a and at least one or more mounting lock portion 320b.
[00057] Further, as shown in Fig. 11 (a) and Fig. 11 (b), at least one of said mounting slots 910, 920 of said rubber boot 710 is configured to engage with said at least one mounting stopper portion 320a and at least one or more mounting lock portion 320b to securely hold said canister 120. Herein, in an embodiment, the dimension of the mounting slots 910, 920 is lesser than the dimension of the mounting lock portion 320b. This enables the rubber boot 710 to securely engage with the controller mounting bracket 310 that enables the canister 120 to be securely and tightly mounted so that the canister 120 remains at its place even during full bump conditions. Thus, the assembly and disassembly of the canister 120 becomes easy to perform since the canister mounting arrangement eliminates the requirement of any separate bracket for mounting the canister 120. Also, the requirement of utilizing plastic straps to mount the canister along with cutting the plastic straps each time the canister is dismantled for servicing is completely eliminated, thereby reducing the number of parts and cost involved in the arrangement.
[00058] Therefore, the present subject matter helps achieve increased engine performance and efficiency without any major constructional changes in the existing layout of the vehicle with minimal design changes done in the rubber boot and the controller mounting bracket by increasing the air induction assembly volume since the canister is placed at a different location. The existing controller mounting bracket is utilized to mount the canister on the left side of the vehicle, thereby eliminating the requirement of any separate bracket for mounting the canister. Also, the requirement of additional plastic straps to mount the canister along with while the canister is dismantled for servicing is completely eliminated, thereby reducing the number of parts and cost involved in the arrangement.
[00059] Also, the existing vehicle layout is made flexible by effective conversion of dead space between the left side of the vehicle and in-between left frame tube and side panel to mount such canister using existing controller mounting bracket results in effective utilization of the existing unused spaces in the vehicle.
[00060] Moreover, since the canister is disposed inside the side panel, there is no hindrance to the neighboring parts for serviceability unlike the canister in-between frame and style cover. Similarly, the fuel tank also can be dismantled and serviced separately without any hindrance and need for dismantling canister and the air induction assembly separately.
[00061] Further, it eliminates the requirement of having any separate panel covers to cover the canister as existing side panel cover is used to achieve the same, thereby maintaining the aesthetic appeal of the vehicle.
[00062] Moreover, as the canister along with the controller mounting bracket are packaged on the left side of the vehicle in-between left frame tube and side panel, the canister is well protected from heat sources like ignition coil, engine and muffler.
[00063] Also, the present subject matter utilizes existing hoses to reduce the additional cost of utilizing new hoses with increased hose length for routing it to the fuel tank. Such arrangement further results in eliminating the problem of liquid fuel entry formed in the vapor tube due to condensation into the canister. This is achieved by routing the purge valve hose above the fuel tank. The location of the purge control valve and the like are kept intact in order to achieve minimal changes in the existing vehicle layout.
[00064] While certain features of the claimed subject matter have been illustrated and described herein, many modifications, substitutions, changes, and equivalents will now occur to those skilled in the art. It is, therefore, to be understood that the appended claims are intended to cover all such modifications and changes that fall within the true spirit of the claimed subject matter.

List of reference signs:
100 vehicle
110 fuel tank
120 canister
130 seat assembly
140 rear wheel
150 front wheel
170 style panel
180 engine
205 frame assembly
210 left frame tube
215 right frame tube
310 controller mounting bracket
320 mounting lugs
320a mounting stopper potion
320b mounting lock portion
510 fuel tank cap
710 rubber boot
810 drain hose
815 air hose
820 fuel hose
825 purge valve hose
901a fuel tank port
901b purge valve port
901c drain port
901d air port
910, 920 mounting slots

,CLAIMS:We claim:
1. A vehicle (100), said vehicle (100) comprising:
a frame assembly (205), said frame assembly (205) including a pair of left frame tube (210) and right frame tube (215);
a fuel tank (110), said fuel tank (110) being disposed on said frame assembly (205) and formed so as to cover the frame assembly (205) from above and both sides;
a controller mounting bracket (310), said controller mounting bracket (310) mounted on said left frame tube (210);
a canister (120), said canister (120) being capable of recovering evaporated fuel in said fuel tank (110);
wherein said canister (120) being mounted on said controller mounting bracket (310) on a left side of said vehicle (100) when viewed from a rear portion of said vehicle (100).

2. The vehicle (100) as claimed in claim 1, wherein said canister (120) being disposed between said controller mounting bracket (310) and a side panel (170) on said left side of said vehicle (100) when viewed from the rear portion of said vehicle (100).

3. The vehicle (100) as claimed in claim 1, wherein said canister (120) has a fuel hose (820) routed above said fuel tank (110).

4. The vehicle (100) as claimed in claim 1, wherein said controller mounting bracket (310) comprising at least one or more vertically-elongated mounting lugs (320) extending outwardly from one or more sides of said controller mounting bracket (310).

5. The vehicle (100) as claimed in claim 4, wherein said one or more vertically-elongated mounting lugs (320) includes at least one mounting stopper portion (320a) and at least one or more mounting lock portion (320b).

6. The vehicle (100) as claimed in claim 1, wherein a rubber boot (710) being provided for securely holding said canister (120) wherein said rubber boot (710) includes one or more mounting slots (910, 920) on the sides of said rubber boot (710).

7. The vehicle (100) as claimed in claim 6, wherein at least one of said mounting slots (910, 920) of said rubber boot (710) being configured to engage with said at least one mounting stopper portion (320a) and at least one or more mounting lock portion (320b), for securely holding said canister (120).