Claims:1. An impeller (2) associated with a water pump (102) of an engine (104) in an engine cooling system (200), wherein the impeller comprises:
a plurality of blades (7a-7n) covered between at least two disc plates (5, 6), wherein a disc plate (5) is provided above the plurality of blades and another disc plate (6) is provided below the plurality of disc plates; and wherein the impeller is attached to a shaft (1).
2. The impeller of claim 1, wherein a surface of the impeller is coated with backlite material for provided resistance against corrosion.
3. The impeller of claim 1, wherein a geometry of the impeller is arranged to provide smooth flow of water and reduce eddy current loss.
4. The impeller of claim 1, wherein the impeller is connected to the shaft by a plurality of rivets.
5. The impeller of claim 1, wherein the plurality of blades is six.
6. The impeller of claim 4, wherein the impeller is connected to the shaft by a set of six rivets.
7. The impeller of claim 1, wherein a diameter of each blade is designed to improve a liters per minute (LPM) factor of the water pump.
, Description:TECHNICAL FIELD
[0001] The present invention relates generally to water pumps used in engines. More particularly the present invention relates to impellers designed for such water pumps.

BACKGROUND OF THE INVENTION
[0002] During operation of an engine at high attitude with different load conditions, a coolant delivered from a centrifugal water pump into the engine is usually not sufficient to cool the engine components. Typically, the coolant circulation capacity is 550 liters per minute (LPM), which is extremely low to cool the engine. Due to which the engine gets overheated and fails to operate on a plurality of occasions. Further, life of the engine and various other systems connected to the engine also get affected. Hence there is a need to improve the coolant circulation capacity from 550 liters per minute (LPM) to at least 1200LPM in order to improve the cooling effect of the engine and the connected systems to the engine.
[0003] Accordingly to enhance the coolant circulation capacity from 550 LPM to minimum 1200 LPM and to improve the cooling effect of the engine an improvised impeller and other components of the system is proposed. The present invention, disclosed a redesigned impeller for a water pump that can achieve at least a minimum pump delivery of 1200 LPM without changing the existing engine rotations per minute (RPM).
[0004] To increase the water pump delivery by redesigning the impeller and other components of the water pump. Accordingly, the impeller and other components was redesigned to achieve the pump delivery minimum 1200 LPM without changing the existing engine RPM.
[0005] The abovementioned shortcomings, disadvantages and problems are addressed herein, which will be understood by reading and studying the following specification.
OBJECT OF THE INVENTION
[0006] The primary object of the present invention is to improve the flow rate of a water pump to a minimum of 1000 LPM to 1200 LPM without changing the engine RPM and other parameters of the engine.
[0007] Another object of the present invention is to provide defect free water pump to the Indian army.
[0008] These and other objects and advantages of the present invention will become readily apparent from the following detailed description taken in conjunction with the accompanying drawings.

SUMMARY OF THE INVENTION
[0009] These and other aspects of the embodiments herein will be better appreciated and understood when considered in conjunction with the following description and the accompanying drawings. It should be understood, however, that the following descriptions, while indicating preferred embodiments and numerous specific details thereof, are given by way of illustration and not of limitation. Many changes and modifications may be made within the scope of the embodiments herein without departing from the spirit thereof, and the embodiments herein include all such modifications.
[0010] The various embodiments of the present invention provide An impeller (2) associated with a water pump (102) of an engine (104) in an engine cooling system (200). According to an embodiment of the present invention, the impeller comprises a plurality of blades (7a-7n) covered between at least two disc plates (5, 6), wherein a disc plate (5) is provided above the plurality of blades and another disc plate (6) is provided below the plurality of disc plates; and wherein the impeller is attached to a shaft (1).
[0011] According to an embodiment of the present invention, a surface of the impeller is coated with backlite material for provided resistance against corrosion.
[0012] According to an embodiment of the present invention, a geometry of the impeller is arranged to provide smooth flow of water and reduce eddy current loss.
[0013] According to an embodiment of the present invention, the impeller is connected to the shaft by a plurality of rivets.
[0014] According to an embodiment of the present invention, the plurality of blades is six.
[0015] According to an embodiment of the present invention, the impeller is connected to the shaft by a set of six rivets.
[0016] These and other aspects of the embodiments herein will be better appreciated and understood when considered in conjunction with the following description and the accompanying drawings. It should be understood, however, that the following descriptions, while indicating the preferred embodiments and numerous specific details thereof, are given by way of illustration and not of limitation. Many changes and modifications may be made within the scope of the embodiments herein without departing from the spirit thereof, and the embodiments herein include all such modifications.

BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The other objects, features and advantages will occur to those skilled in the art from the following description of the preferred embodiment and the accompanying drawings in which:
[0018] FIG. 1 illustrates a perspective view of an engine with a water pump, according to an embodiment of the present invention.
[0019] FIG. 2 illustrates an engine cooling system, according to an embodiment of the present invention.
[0020] FIG. 3 illustrates a functional flow diagram of the engine cooling system of FIG. 2, according to an embodiment of the present invention.
[0021] FIG. 4 illustrates a sectional view of a shaft with an impeller, according to an embodiment of the present invention.
[0022] FIG. 5 is front view of the impeller of FIG. 4, according to an embodiment of the present invention.
[0023] FIG. 6 is a perspective view of the impeller of FIG. 4, according to an embodiment of the present invention.
[0024] FIG. 6 is a perspective view of the impeller of FIG. 4, according to an embodiment of the present invention.
[0025] FIG. 7A is another perspective view of the impeller of FIG. 4, according to an embodiment of the present invention.
[0026] FIG. 7B is a bottom view of the impeller of FIG. 4, according to an embodiment of the present invention.
[0027] FIG. 7C is a perspective view of a rivet of FIG. 4, according to an embodiment of the present invention.
[0028] Although the specific features of the present invention are shown in some drawings and not in others. This is done for convenience only as each feature may be combined with any or all of the other features in accordance with the present invention.

DETAILED DESCRIPTION OF THE INVENTION
[0029] In the following detailed description, a reference is made to the accompanying drawings that form a part hereof, and in which the specific embodiments that may be practiced is shown by way of illustration. These embodiments are described in sufficient detail to enable those skilled in the art to practice the embodiments and it is to be understood that other changes may be made without departing from the scope of the embodiments. The following detailed description is therefore not to be taken in a limiting sense. The various embodiments of the present invention provide a system and method for securing access to a vehicle.
[0030] The various embodiments of the present invention provide An impeller (2) associated with a water pump (102) of an engine (104) in an engine cooling system (200). According to an embodiment of the present invention, the impeller comprises a plurality of blades (7a-7n) covered between at least two disc plates (5, 6), wherein a disc plate (5) is provided above the plurality of blades and another disc plate (6) is provided below the plurality of disc plates; and wherein the impeller is attached to a shaft (1).
[0031] According to an embodiment of the present invention, a surface of the impeller is coated with backlite material for provided resistance against corrosion.
[0032] According to an embodiment of the present invention, a geometry of the impeller is arranged to provide smooth flow of water and reduce eddy current loss.
[0033] According to an embodiment of the present invention, the impeller is connected to the shaft by a plurality of rivets.
[0034] According to an embodiment of the present invention, the plurality of blades is six.
[0035] According to an embodiment of the present invention, the impeller is connected to the shaft by a set of six rivets.
[0036] FIG. 1 illustrates a perspective view 100 of an engine 104 with a water pump 102, according to an embodiment of the present invention.
[0037] FIG. 2 illustrates an engine cooling system 200, according to an embodiment of the present invention. In this embodiment, a water pipe line 202 carries water from the engine 104 to a radiator –LH 204 and a radiator –RH 206, where the heat from the engine is dissipated. Water enters the radiators 204, 206 through a radiator inlet 210 and exits from a radiator outlet 212. Water is pumped via the water pump 102 from the engine to the radiators.
[0038] FIG. 3 illustrates a functional flow diagram of the engine cooling system 200 of FIG. 2, according to an embodiment of the present invention.
[0039] FIG. 4 illustrates a sectional view 400 of a shaft (1) with an impeller (2), according to an embodiment of the present invention. The shaft is attached to the impeller via a plurality of rivets (3). The impeller has a plurality of blades 7a-n. The plurality of blades are confined within two disc plates 5, 6.
[0040] FIG. 5 is front view 500 of the impeller of FIG. 4, according to an embodiment of the present invention.
[0041] FIG. 6 is a perspective view 600 of the impeller of FIG. 4, according to an embodiment of the present invention. The plurality of blades are visible in a circular manner within the impeller herein.
[0042] FIG. 7A is another perspective view 700A of the impeller of FIG. 4, according to an embodiment of the present invention.
[0043] FIG. 7B is a bottom view of the impeller of FIG. 4, according to an embodiment of the present invention, wherein the impeller is shown as a closed type.
[0044] FIG. 7C is a perspective view of 700C a rivet of FIG. 4, according to an embodiment of the present invention. The rivet as described is used to attachéd the shaft to the impeller.
[0045]
It is noted that the above-described examples of the present invention is for the purpose of illustration only. Although the present invention has been described in conjunction with a specific example thereof, numerous modifications may be possible without materially departing from the teachings and advantages of the subject matter described herein. Other substitutions, modifications and changes may be made without departing from the spirit of the present solution. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and/or all of the steps of any method or process so disclosed, may be combined in any combination, except combinations where at least some of such features and/or steps are mutually exclusive.
[0046] Although the embodiments herein are described with various specific embodiments, it will be obvious for a person skilled in the art to practice the embodiments herein with modifications.
ADVANTAGES OF THE INVENTION
[0047] The present invention provides an effective engine cooling system with compact size.
[0048] The embodiments of the present invention, provides increased engine life.
[0049] The embodiments of the present invention, minimize the defect in user end, and reduces rework cast.
[0050] The embodiments of the present invention, gives a critical exposure in the area of research and development of Product development and process improvement.
[0051] The embodiments of the present invention can be useful in the private industry to provide cost-effective and technologically state-of-art Engines for battle tanks.
[0052] The foregoing description of the specific embodiments will so fully reveal the general nature of the embodiments herein that others can, by applying current knowledge, readily modify and/or adapt for various applications such as specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments.
[0053] It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the embodiments herein have been described in terms of preferred embodiments, those skilled in the art will recognize that the embodiments herein can be practiced with modifications. However, all such modifications are deemed to be within the scope of the claims.