DESC:“A CASING ASSEMBLY OF AN ELECTRICAL MACHINE”

FIELD OF THE INVENTION
The present disclosure relates to an electrical machine, and more particularly to a casing assembly of the electrical machine. The present application is based on, and claims priority from an Indian Provisional Application Number 202341025026 filed on 01-04-2023, the disclosure of which is hereby incorporated by reference herein.

BACKGROUND OF THE INVENTION
A casing assembly is responsible for providing damage protection for an electrical machine from external sources as well as prevention from dust particles. The casing assembly of the electrical machine may be divided into a plurality of parts. A plurality of fasteners deployed to assemble the plurality of parts in the casing assembly. Since the number of parts increased, the number of fasteners also increased, which makes the system complex, and costlier.
A conventional casing assembly includes a plurality of mounting points to fix the electrical machine to a chassis of a vehicle. In the conventional casing assembly, the plurality of mounting points is positioned at an end of the casing assembly. Since the plurality of mounting points is positioned at the end of the casing assembly, the casing assembly will not act as a structural member of the vehicle, so the conventional casing assembly requires additional connecting means to make the electrical machine as the structural member of the vehicle. The deployment of the additional connecting means will make the conventional casing assembly costlier and more complex.
The conventional casing assembly includes bushes at the plurality of mounting points to reduce vibration, but there is no course of action to fix a transmission misalignment. The transmission misalignment may affect the life of arrive system and fleeting angle. Furthermore, the conventional casing assembly fails to provide optimum heat transfer to the heat energy generated by the electrical machine. The heat energy has a major effect on a plurality of rotor magnets, a stator winding, one or more battery packs, and one or more controllers. Due to the effect of the heat energy electrical machine may get de-rated.
In addition to that, the temperature of the electrical machine increases, the resistance will increase, and the torque constant and voltage constant will decrease. So, the conventional casing assembly of the electrical machine is not efficient enough to solve the above-mentioned problems.
Hence, there remains a need for an improved casing assembly of the electrical machine to address the aforementioned issues.

SUMMARY OF THE INVENTION
Accordingly, embodiments herein disclose a casing assembly of an electrical machine. The casing assembly includes a plurality of casing parts, a plurality of fins, and a plurality of structural members. The plurality of casing parts includes a first casing, a second casing, and a third casing. The first casing includes a plurality of sets of mounting points. The plurality of sets of mounting points positioned on the casing assembly. The plurality of sets of mounting points configured to couple the casing assembly of the electrical machine of a vehicle. The plurality of casing parts of the casing assembly is coupled together using a plurality of fastening means. The second casing includes a PCB seating and is configured to ensure the orientation of the PCB seating. The third casing includes a plurality of ports for a plurality of power inputs to the electrical machine from a power supply and a plurality of sensor control inputs from a control unit. The plurality of the fins is configured to dissipate heat energy generated by the electrical machine to an environment. The plurality of the fins is positioned on a surface of the first casing that receives maximum atmospheric wind. The plurality of structural members is positioned on the first casing. The plurality of structural members includes a predetermined shape. In some embodiments, the predetermined shape of the plurality of structural members optimizes a vibration level of the electrical machine and dissipates heat from the casing assembly of the electrical machine by increasing surface area. In some embodiments, the plurality of sets of mounting points includes a first set of mounting points, a second set of mounting points, and a third set of mounting points. In some embodiments, the plurality of sets of mounting points positioned on the first casing of the casing assembly.
In some embodiments, the first set of mounting points and the second set of mounting points are configured to couple the first casing of the casing assembly to the vehicle via a bottom motor mounting bracket. In some embodiments, the third set of mounting points is configured to couple the casing assembly of the electrical machine to the vehicle via a top motor mounting bracket. In some embodiments, the first casing, the second casing, and the third casing are mechanically connected to each other using the plurality of fastening means. In some embodiments, the bottom mounting bracket, and at least one of the first set of mounting points and the second set of mounting points include one or more counter bores and one or more bushes. The one or more bushes positioned in each of the one or more counter bores. The one or more bushes are configured to locate the electrical machine in a predetermined alignment by sliding and filling a gap created at the time of assembly to align a fleeting angle of a drive. In some embodiments, the top motor mounting bracket and the third set of mounting points include the one or more bushes to restrict movements of the top motor mounting bracket with the electrical machine. In some embodiments, the casing assembly of the electrical machine is made up of a predetermined material to dissipate the heat energy to the environment. The predetermined material includes a high thermal conductive material and a high thermal heat transfer coefficient. In some embodiments, the second casing is constructed in a manner to maintain a gap between an encoder IC and an encoder magnet. The PCB seating is positioned around the encoder magnet. In some embodiments, the third casing includes a pressure relief valve to release pressure from the casing assembly. 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 invention thereof, and the embodiments herein include all such modifications.

BRIEF DESCRIPTION OF THE DRAWING
This invention is illustrated in the accompanying drawings, throughout which like reference letters indicate corresponding parts in the various figures. The embodiments herein will be better understood from the following description with reference to the drawings, in which:
FIG. 1 illustrates a perspective view of a casing assembly of an electrical machine according to an embodiment herein;
FIG. 2 illustrates an exploded side view of the casing assembly of the electrical machine of FIG. 1 according to an embodiment herein;
FIG. 3 illustrates a front end of the casing assembly of the electrical machine of FIG. 1 according to an embodiment herein;
FIG. 4 illustrates a rear end of the casing assembly of the electrical machine of FIG. 1 according to an embodiment herein;
FIG. 5A illustrates a cross-sectional view of the casing assembly and FIG. 5B illustrates a sectional view of an arrangement of the casing assembly of FIG. 1 according to an embodiment herein; and
FIG. 6 illustrates a Printed Circuit Board (PCB) seating of a second casing of the casing assembly of FIG. 1 according to an embodiment herein.

DESCRIPTION OF THE INVENTION
In the following description, for the purposes of explanation, various specific details are set forth in order to provide a thorough understanding of embodiments of the present disclosure. It will be apparent, however, that embodiments of the present disclosure may be practiced without these specific details. Several features described hereafter can each be used independently of one another or with any combination of other features. An individual feature may not address all of the problems discussed above or might address only some of the problems discussed above. Some of the problems discussed above might not be fully addressed by any of the features described herein.
The ensuing description provides exemplary embodiments only and is not intended to limit the scope, applicability, or configuration of the disclosure. Rather, the ensuing description of the exemplary embodiments will provide those skilled in the art with an enabling description for implementing an exemplary embodiment. It should be understood that various changes may be made in the function and arrangement of elements without departing from the spirit and scope of the disclosure as set forth.
The word “exemplary” and/or “demonstrative” is used herein to mean serving as an example, instance, or illustration. For the avoidance of doubt, the subject matter disclosed herein is not limited by such examples. In addition, any aspect or design described herein as “exemplary” and/or “demonstrative” is not necessarily to be construed as preferred or advantageous over other aspects or designs, nor is it meant to preclude equivalent exemplary structures and techniques known to those of ordinary skill in the art. Furthermore, to the extent that the terms “includes,” “has,” “contains,” and other similar words are used in either the detailed description or the claims, such terms are intended to be inclusive—in a manner similar to the term “comprising” as an open transition word—without precluding any additional or other elements.
Reference throughout this specification to “one embodiment” or “an embodiment” or “an instance” or “one instance” means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present disclosure. Thus, the appearances of the phrases “in one embodiment” or “in an embodiment” in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used herein, the singular forms “a”, “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms “comprises” and/or “comprising,” when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term “and/or” includes any and all combinations of one or more of the associated listed items.
The accompanying drawings are used to help easily understand various technical features and it should be understood that the embodiments presented herein are not limited by the accompanying drawings. As such, the present disclosure should be construed to extend to any alterations, equivalents and substitutes in addition to those which are particularly set out in the accompanying drawings. Although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are generally only used to distinguish one element from another.
Accordingly, embodiments herein disclose a casing assembly of an electrical machine. The casing assembly includes a plurality of casing parts, a plurality of fins, and a plurality of structural members. The plurality of casing parts includes a first casing, a second casing, and a third casing. The first casing includes a plurality of sets of mounting points. The plurality of sets of mounting points positioned on the casing assembly. The plurality of sets of mounting points configured to couple the casing assembly of the electrical machine of a vehicle. The plurality of casing parts of the casing assembly is coupled together using a plurality of fastening means. The second casing includes a PCB seating and is configured to ensure the orientation of the PCB seating. The third casing includes a plurality of ports for a plurality of power inputs to the electrical machine from a power supply and a plurality of sensor control inputs from a control unit. The plurality of the fins is configured to dissipate heat energy generated by the electrical machine to an environment. The plurality of the fins is positioned on a surface of the first casing that receives maximum atmospheric wind. The plurality of structural members is positioned on the first casing. The plurality of structural members includes a predetermined shape.
Referring now to the drawings and more particularly to FIGS. 1 to6, where similar reference characters denote corresponding features consistently throughout the figure, these are shown as preferred embodiments.
FIG. 1 illustrates a perspective view of a casing assembly 100 of an electrical machine according to an embodiment herein. The casing assembly 100 is responsible for providing damage protection for the electrical machine from external sources as well as prevention from dust particles. The casing assembly 100 includes a plurality of casing parts 101. In one embodiment, the plurality of casing parts 101 may include, but not limited to, a first casing 102, a second casing 104, and a third casing 106. The first casing 102 includes a plurality of sets of mounting points 108.
The plurality of sets of mounting points 108 may include, but not limited to, a first set of mounting points 110 (A-B), a second set of mounting points 112 (A-B), and a third set of mounting points 114 (A-B). The first set of mounting points 110 (A-B), the second set of mounting points 112 (A-B), and the third set of mounting points 114 (A-B) are positioned on the casing assembly 100. In one embodiment, the first set of mounting points 110 (A-B), the second set of mounting points 112 (A-B), and the third set of mounting points 114 (A-B) are positioned on the first casing 102 of the casing assembly 100.
The plurality of sets of mounting points 108 configured to couple the casing assembly 100 of the electrical machine of a vehicle. In one embodiment, the first set of mounting points 110 (A-B), and the second set of mounting points 112 (A-B) are configured to couple the first casing 102 of the casing assembly 100 to the vehicle via a bottom motor mounting bracket. The bottom motor mounting bracket is connected to a chassis of the vehicle. The third set of mounting points 114 (A-B) configured to couple the casing assembly 100 of the electrical machine to the vehicle via a top motor mounting bracket (not shown in the figure). One end of the top motor mounting bracket is connected to the third set of mounting points 114 (A-B). Another end of the top motor mounting bracket is connected to the chassis.
The first set of mounting points 110 (A-B), the second set of mounting points 112 (A-B), and the third set of mounting points 114 (A-B) are coupling the electrical machine to the vehicle in such a way the electrical machine is acting as a structural member of the vehicle.
The bottom motor mounting bracket, and each of the first set of mounting points 110 (A-B), and the second set of mounting points 112 (A-B) include one or more counter bores 118 and one or more bushes (shown in the figure. 3). The one or more bushes positioned in each of the one or more counter bores 118. Further, the one or more bushes are configured to locate the electrical machine in a predetermined alignment by sliding and filling the gap created at the time of assembly. Since the electrical machine is located in the predetermined alignment, a fleeting angle of a drive will be in a proper range. So, the life of the drive system has increased. The top motor mounting bracket and the third set of mounting points 114 (A-B) include the one or more bushes to restrict movements of the top motor mounting bracket with the electrical machine.
The plurality of casing parts 101 of the casing assembly 100 (the first casing 102, the second casing 104, and the third casing 106) coupled together using a plurality of fastening means (shown in FIG. 2). Inan embodiment, the plurality of fastening means may include, but not limited to, screws, nails, nuts, bolts, washers, anchors, and rivets. Instead of using individual fastening means to couple the plurality of casing parts 101 of the casing assembly 100 together, the plurality of fastening means inserted via the plurality of casing parts 101 of the casing assembly 100 which connects the plurality of casing parts 101 of the casing assembly 100. So, the number of fastening means reduced by using the plurality of fastening means to connect the plurality of casing parts 101 of the casing assembly 100. In one embodiment, the plurality of casing parts 101 of the casing assembly 100 may include, but not limited to, the first casing 102, the second casing 104, and the third casing 106. The plurality of casing parts 101 of the casing assembly 100 is designed in such a way as to use the plurality of fastening means in between the plurality of casing parts 101 of the casing assembly 100. So, the plurality of fastening means makes the system simple, and cheap.
The plurality of casing parts 101 of the casing assembly 100 is designed in such a way as to use a plurality of common sealing means in between the plurality of casing parts 101 of the casing assembly 100. So common fasteners and the plurality of common sealing means make the system simple, and cheap.
The casing assembly 100 of the electrical machine is designed in such a way the casing assembly 100 dissipates the heat energy generated by the electrical machine to an environment with the help of a plurality of the fins 116. As used herein, the plurality of fins 116 is defined as surfaces that extend from an object to increase the rate of heat transfer to or from the environment by increasing convection. The plurality of the fins 116 is positioned on the surface of the first casing 102. In one embodiment, the plurality of the fins 116 positioned on the surface of the first casing 102 which receives maximum atmospheric wind.
The casing assembly 100 of the electrical machine is made up of a predetermined material which allows the casing assembly 100 to dissipate the heat energy to the environment. In one embodiment, the predetermined material may include, but not limited to, a high thermal conductive material, and a high thermal heat transfer coefficient.
The casing assembly 100 of the electrical machine further includes a plurality of structural members 122 positioned on the first casing 102. In one embodiment, the plurality of structural members 122 is in a predetermined shape. In another embodiment, the predetermined shape of the plurality of structural members122 is used to increase the rigidity or stiffness of the plurality of the structural members 122. In yet another embodiment, the predetermined shape of the plurality of structural members 122 may include a plurality of sides of the predetermined shape. In yet another embodiment, the predetermined shape of the plurality of structural members 122 may include, but not limited to, a hexagon shape, a heptagon shape, an octagon shape, a nonagon shape, and a decagon shape.
The plurality of structural members 122 may be positioned on the surface of the first casing 102 which receives more stress and vibration. The plurality of structural members 122 dissipates the heat from the casing assembly 100 of the electrical machine by increasing the surface area. The plurality of structural members 122 allows the atmospheric cooling wind over the surface and transfers the heat to the air. The plurality of structural members 122 reduces noise by absorbing the vibration generated by the electrical machine while running. Furthermore, the plurality of structural members 122 increases the strength and rigidity of the casing assembly 100. The first casing 102 and the second casing 104 include a plurality of bearing bores with a predetermined ribs pattern according to dynamics of the vehicle resulting in better structural strength and structural borne noise of the electrical machine with less weight.
FIG. 2 illustrates an exploded side view of the casing assembly 100 of the electrical machine of FIG. 1 according to an embodiment herein. The casing assembly 100 of the electrical machine includes the plurality of casing parts 101. The plurality of casing parts 101 may include, but not limited to, the first casing 102, the second casing 104, and the third casing 106. Further, FIG. 2 explains the plurality of casing parts 101 (the first casing 102, the second casing 104, and the third casing 106) of the casing assembly 100 is coupled together using a plurality of fastening means 202 (A-N). In an embodiment, the plurality of fastening means 202 (A-N) may include, but not limited to, screws, nails, nuts, bolts, washers, anchors, and rivets. Instead of using individual fastening means to couple the plurality of casing parts 101 of the casing assembly 100 together, the plurality of fastening means 202 (A-N) inserted via the plurality of casing parts 101 of the casing assembly 100 to couple the plurality of casing parts 101 of the casing assembly 100 together. So, the number of fastening means is reduced by using the plurality of fastening means 202 (A-N) which connects the plurality of casing parts 101 of the casing assembly 100. In one embodiment, the plurality of casing parts 101 of the casing assembly 100 may include, but not limited to, the first casing 102, the second casing 104, and the third casing 106. The first casing 102, the second casing 104, and the third casing 106 include the plurality of bearing bores with the predetermined ribs pattern according to dynamics of the vehicle resulting in better structural strength and structural borne noise of the electrical machine with less weight. The plurality of casing parts 101 of the casing assembly 100 is designed in such a way as to use the plurality of fastening means 202 (A-N) in between the plurality of casing parts 101 of the casing assembly 100. So, the plurality of fastening means 202 (A-N) makes the system simple, and cheap.
FIG. 3 illustrates a front end of the casing assembly 100 of the electrical machine of FIG. 1 according to an embodiment herein. FIG. 3 further discloses the plurality of sets of mounting points 108.The plurality of sets of mounting points 108 may include, but not limited to, the first set of mounting points 110 (A-B), the second set of mounting points 112 (A-B), and the third set of mounting points 114 (A-B). In addition to that, FIG. 3 explicitly shows the one or more bushes 302 on the plurality of sets of mounting points 108.
The bottom motor mounting bracket, and each of the first set of mounting points 110 (A-B), and the second set of mounting points 112 (A-B) include the one or more counter bores 118 and the one or more bushes 302. The one or more bushes 302 positioned in the one or more counter bores 118. Further, the one or more bushes 302 are configured to locate the electrical machine in a predetermined alignment. Since the electrical machine is located in the predetermined alignment, the fleeting angle of the drive will be in a proper range. So, the life of the drive system is increased. Further, FIG. 3 discloses a slot for a rotor shaft of the electrical machine. The top motor mounting bracket and the third set of mounting points 114 (A-B) include the one or more bushes 302 to restrict movements of the top motor mounting bracket with the electrical machine.
FIG. 4 illustrates a rear end of the casing assembly 100 of the electrical machine of FIG. 1 according to an embodiment herein. The rear end of the casing assembly 100 includes a plurality of ports 402 (A-D) for (i) a plurality of power inputs (U, V, W) to the electrical machine from a power supply, and (ii) a plurality of sensor control inputs from a control unit. Further, the rear end of the casing assembly 100 includes a pressure relief valve 404 to release pressure from the casing assembly 100. In an embodiment, the third casing 106 includes the plurality of ports 402 (A-D) for the plurality of power inputs (U, V, W) to the electrical machine from the power supply and the plurality of sensor control inputs from the control unit. In another embodiment, the third casing 106 includes the pressure relief valve 404 to release the pressure from the casing assembly 100. The third casing 106 is constructed in a manner that requires minimal care while assembling.
FIG. 5A illustrates a cross-sectional view of the casing assembly 100 and FIG. 5B illustrates a sectional view of an arrangement 502 of the casing assembly 100 of FIG. 1 according to an embodiment herein. The cross-sectional view of the arrangement502 of the casing assembly 100 explains the arrangement 502 of the first casing 102, the second casing 104, and the third casing 106. The first casing 102, the second casing 104, and the third casing 106 are connected by using the plurality of fastening means 202 (A-N) (as shown in the FIG. 2). Furthermore, the casing assembly 100 includes one or more “O” rings 504 (A-B) and configured to seal the first casing 102, the second casing 104, and the third casing 106.
FIG. 6 illustrates a printed circuit board (PCB) seating 602 of the second casing 104 of the casing assembly 100 of FIG. 1 according to an embodiment herein. The second casing 104 includes the PCB seating 602. The second casing 104 is designed in such a way as to maintain a gap between an encoder IC and an encoder magnet. Further, the second casing 104 is configured to ensure the orientation of the PCB seating 602.Further, the PCB seating 602 is designed in such a way there is a need for minimal care while assembling. The third casing 106 is designed in such a way there is a need for minimal care while assembling the power supply cables, and the sensor cables. The encoder magnet is placed on an encoder magnet holder. The encoder magnet holder is positioned on a rotor counter bore. So, the encoder magnet, and the PCB seating 602 are collectively configured to collect information on the number of rotations, a position of the rotor, and a direction of the rotor. The encoder magnet may rotate with the rotor. Further, the PCB seating 602 is positioned around the encoder magnet and transfers the information on the number of rotations, the position of the rotor, and the direction of the rotor to a control unit. In an embodiment, the control unit may include, but not limited to, a motor control unit. Further, the control unit synchronizes a corresponding pole based on the information on the number of rotations, the position of the rotor, and the direction of the rotor. In addition to that, the second casing 104 further includes one or more locators 604.The one or more locators 604 are configured to self-align the position of the encoder IC of the second casing 104with respect to the first casing 102.
Improvements and modifications may be incorporated herein without deviating from the scope of the invention. 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 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. 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 modification within the spirit and scope of the appended claims.

LIST OF REFERENCE NUMERALS

100: Casing assembly
101: Plurality of casing parts
102: First casing
104: Second casing
106: Third casing
108: Plurality of sets of mounting points
110 (A-B): First set of mounting points
112 (A-B): Second set of mounting points
114 (A-B): Third set of mounting points
116: Plurality of fins
118: One or more counter bores
202 (A-N): Plurality of fastening means
302: One or more bushes
402 (A-D): Plurality of ports
404: Pressure relief valve
502: Arrangement
504 (A-B): One or more “O” rings
602: PCB seating
604: One or more locators
,CLAIMS:
1. A casing assembly (100) of an electrical machine, comprising: a plurality of casing parts (101) comprises: a first casing (102) comprises a plurality of sets of mounting points (108), wherein the plurality of sets of mounting points (108) positioned on the casing assembly (100), wherein the plurality of sets of mounting points (108) configured to couple the casing assembly (100) of the electrical machine of a vehicle, wherein the plurality of casing parts (101) of the casing assembly (100) coupled together using a plurality of fastening means (202 (A-N)); a second casing (104) comprises a PCB seating (602) and is configured to ensure the orientation of the PCB seating (602); and a third casing (106) comprises a plurality of ports (402 (A-D)) for a plurality of power inputs to the electrical machine from a power supply and a plurality of sensor control inputs from a control unit; a plurality of fins (116) is configured to dissipate heat energy generated by the electrical machine to an environment, wherein the plurality of fins (116) is positioned on a surface of the first casing (102) that receives maximum atmospheric wind; and a plurality of structural members (122) positioned on the first casing (102), wherein the plurality of structural members (122) comprises a predetermined shape.

2. The casing assembly (100) as claimed in claim 1, wherein the predetermined shape of the plurality of structural members (122) optimizes a vibration level of the electrical machine and dissipates the heat from the casing assembly (100) of the electrical machine by increasing a surface area.

3. The casing assembly (100) as claimed in claim 1, wherein the plurality of sets of mounting points (108) comprises a first set of mounting points (110 (A-B)), a second set of mounting points (112 (A-B)), and a third set of mounting points (114 (A-B)).

4.The casing assembly (100) as claimed in claim 1, wherein the plurality of sets of mounting points (108) positioned on the first casing (102) of the casing assembly (100).


5. The casing assembly (100) as claimed in claim 3, wherein the first set of mounting points 110 (A-B), and the second set of mounting points (112 (A-B)) are configured to couple the first casing (102) of the casing assembly (100) to the vehicle via a bottom motor mounting bracket.

6. The casing assembly (100) as claimed in claim 3, wherein the third set of mounting points (114 (A-B)) configured to couple the casing assembly (100) of the electrical machine to the vehicle via a top motor mounting bracket.

7. The casing assembly (100) as claimed in claim 1, wherein the first casing (102), the second casing (104), and the third casing (106) are mechanically connected to each other using the plurality of fastening means (202 (A-N)).

8. The casing assembly (100) as claimed in claim 3, wherein the bottom motor mounting bracket, and at least one of the first set of mounting points 110 (A-B), and the second set of mounting points (112 (A-B)) comprise one or more counter bores (118) and one or more bushes (302), wherein the one or more bushes (302) positioned in each of the one or more counter bores (118), wherein the one or more bushes (302) configured to locate the electrical machine in a predetermined alignment by sliding and filling a gap created at the time of assembly to align a fleeting angle of a drive.

9. The casing assembly (100) as claimed in claim 3, wherein the top motor mounting bracket and the third set of mounting points 114 (A-B) comprise the one or more bushes (302) to restrict movements of the top motor mounting bracket with the electrical machine.

10. The casing assembly (100) as claimed in claim 1, wherein the casing assembly (100) of the electrical machine is made up of a predetermined material to dissipate the heat energy to the environment, wherein the predetermined material comprises a high thermal conductive material and a high thermal heat transfer coefficient.

11. The casing assembly (100) as claimed in claim 1, wherein the second casing (104) is constructed in a manner to maintain a gap between an encoder IC and an encoder magnet, wherein the PCB seating (602) is positioned around the encoder magnet.

12. The casing assembly (100) as claimed in claim 1, wherein the third casing (106) comprises a pressure relief valve (404) to release pressure from the casing assembly (100).