Power module for work machine

Abstract

A power module for a work machine includes a mounting structure including a housing. The housing defines a first side and a second side. The power module also includes a fuel cell removably received w

Description

Technical Field

[0001] The present disclosure relates to a power module for a work machine and a method of manufacturing the work machine. Background

[0002] With advancement in technology, battery systems and fuel cells are increasingly used to provide operating power to operate various work machines. Further, it may be desirable to replace conventional power sources, such as a diesel engine, on work machines with a power module having a battery system and a fuel cell. However, incorporation of such power modules in existing work machines may be challenging from the perspective of assembling and packaging of the power modules. In some examples, the power modules may be difficult to service / maintain, and may require longer cost and efforts to package individual components of the power module. Further, it may be challenging to retrofit power modules with the battery system and the fuel cell on existing work machines, as such power modules may have different size and shape.

[0003] CN106129298B describes a modular hydrogen fuel cell system. The modular hydrogen fuel cell system comprises a system shell, wherein a hydrogen supply module, a hydrogen fuel cell module, a lithium ion battery module, an electric control module and an output module are arranged in the system shell; the hydrogen supply module is in rigid connection with the hydrogen fuel cell module through a gas circuit connector; the hydrogen fuel cell module and the lithium ion battery module are electrically connected with the output module separately; the hydrogen fuel cell module is electrically connected with the lithium ion battery module; and the electric control module is electrically connected with the hydrogen supply module, the hydrogen fuel cell module and the lithium ion battery module separately. According to the modular hydrogen fuel cell system provided by the invention, the modules are clear in connection, and fixed in positions; and the modular hydrogen fuel cell system has high impact resistance and stability, so that convenience is brought to installation and maintenance. Summary of the Disclosure

[0004] In an aspect of the present disclosure, a power module for a work machine is provided. The power module includes a mounting structure including a housing. The housing defines a first side and a second side. The power module also includes a fuel cell removably received within the housing proximate to the first side of the housing. The power module further includes a battery module removably received within the housing. The battery module is disposed adjacent to the fuel cell along a longitudinal direction. The power module includes a drive assembly disposed external to the housing and removably coupled with the housing proximate to the second side thereof. The power module also includes a drive motor disposed external to the housing and removably coupled with the housing via the drive assembly. The power module further includes one or more pumps disposed external to the housing and removably coupled with the housing via the drive assembly.

[0005] In another aspect of the present disclosure, a method of manufacturing a work machine is provided. The method includes assembling a power module. The power module includes a mounting structure including a housing. The housing defines a first side and a second side. The power module also include a fuel cell removably received within the housing proximate to the first side of the housing. The power module further includes a battery module removably received within the housing. The battery module is disposed adjacent to the fuel cell along a longitudinal direction. The power module includes a drive assembly disposed external to the housing and removably coupled with the housing proximate to the second side thereof. The power module also includes a drive motor disposed external to the housing and removably coupled with the housing via the drive assembly. The power module further includes one or more pumps disposed external to the housing and removably coupled with the housing via the drive assembly. The method also includes attaching the power module with a frame of the work machine.

[0006] Other features and aspects of this disclosure will be apparent from the following description and the accompanying drawings. Brief Description of the Drawings

[0007] FIG. 1 is a schematic side view of a work machine, according to an example of the present disclosure;

[0008] FIG. 2 is a schematic side view of a power module for the work machine of FIG. 1, according to an example of the present disclosure;

[0009] FIG. 3 is a schematic perspective view of the power module of FIG. 2;

[0010] FIG. 4 is a schematic perspective view of the power module of FIG. 2; and

[0011] FIG. 5 is a flowchart for a method of manufacturing the work machine of FIG. 1, according to an example of the present disclosure. Detailed Description

[0012] Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.

[0013] Referring to FIG. 1, a schematic side view of an exemplary work machine 100 is illustrated. In the illustrated example of FIG. 1, the work machine 100 is a track type tractor. In alternate examples, the work machine 100 may include a grader, a loader, a dozer, a compactor, an excavator, a forklift, a shovel, and the like, without any limitations. The work machine 100 may perform one or more work operations associated with an industry, such as, mining, construction, farming, transportation, or any other industry known in the art.

[0014] The work machine 100 defines a front end 102 and a rear end 104. The work machine 100 includes a frame 106 that supports various machine components thereon. The work machine 100 also includes an operator cabin 108. An operator of the work machine 100 may be seated within the operator cabin 108 to perform one or more work operations. Moreover, the work machine 100 may include other components (not shown), such as, a steering system, a transmission system, a drive train, and the like that may be supported by the frame 106 of the work machine 100.

[0015] The work machine 100 further includes a power module 200 (shown in FIGS. 2 to 4). The power module 200 generates operating power to operate one or more machine components. The power module 200 is attached to the frame 106. The power module 200 is enclosed within an enclosure 110. The work machine 100 also includes a pair of ground engaging members 112. Each ground engaging member 112 is embodied as a track herein. Alternatively, the work machine 100 may include wheels or drums instead of the tracks.

[0016] The work machine 100 includes a first work implement 114 disposed proximate to the front end 102. The first work implement 114 is operably connected to the frame 106 by a linkage assembly 116 of the work machine 100. The first work implement 114 may be used for material handling, material removal, and / or material transportation. In the illustrated example of FIG. 1, the first work implement 114 is a blade. Alternatively, the first work implement 114 may include a bucket, a scarifier, or any other type of work implement, without any limitations.

[0017] Further, the work machine 100 includes a second work implement 118 disposed proximate to the rear end 104. The second work implement 118 is operably connected to the frame 106 by a linkage assembly 120 of the work machine 100. In some examples, the second work implement 118 may be used to break hard materials, such as, rocks, ice, and the like. In the illustrated example of FIG. 1, the second work implement 118 is a ripper. Alternatively, the second work implement 118 may include any other type of work implement, such as a blade, a bucket, or a scarifier, without any limitations.

[0018] Referring to FIG. 2, a schematic view of the power module 200 for the work machine 100 of FIG. 1 is illustrated. The power module 200 includes a mounting structure 202. The mounting structure 202 includes a housing 204. The housing 204 defines a first side 206 and a second side 208. The housing 204 further defines a third side 210 (see FIGS. 3 and 4) and a fourth side 212 (see FIGS. 3 and 4). A material of the mounting structure 202 may be chosen such that the mounting structure 202 may be able to withstand weight of various components of the power module 200. In an example, the mounting structure 202 may be made of a metallic material.

[0019] Further, the power module 200 includes a fuel cell 214 removably received within the housing 204 proximate to the first side 206 of the housing 204. The fuel cell 214 may include, for example, a hydrogen fuel cell. Alternatively, the fuel cell 214 may include another type of fuel cell, without any limitations. The fuel cell 214 may include any known in the art fuel cell that may include components (not shown), such as, a fuel cell stack having a number of cells disposed within a first enclosure 216. Each cell of the fuel cell stack may include components, such as, a negative electrode, a positive electrode, an electrolyte membrane, and the like, that may together generate electric energy.

[0020] Referring now to FIG. 3, the power module 200 includes one or more coolant heat exchangers 218, 219. In the illustrated example of FIG. 3, the power module 200 includes two coolant heat exchangers 218, 219. The coolant heat exchangers 218, 219 may maintain a temperature of a coolant flowing through the fuel cell stack. The power module 200 further includes a coolant pump 220 and a coolant manifold 222. The coolant pump 220 may pump the coolant towards the fuel cell stack via the coolant manifold 222. The coolant pump 220 and the coolant manifold 222 are disposed within a cover 224.

[0021] The power module 200 further includes a battery module 226 removably received within the housing 204. The battery module 226 may include a high-voltage battery system. Each of the battery module 226 and the fuel cell 214 supply and / or generate electric energy that may be converted to operating power and may be supplied to one or more components of the work machine 100 (see FIG. 1). For example, the operating power may be supplied to the first and second work implements 114, 118 (see FIG. 1), the ground engaging members 112 (see FIG. 1), the steering system of the work machine 100, and the like.

[0022] The battery module 226 is disposed adjacent to the fuel cell 214 along a longitudinal direction DI. The battery module 226 includes a second enclosure 228 and one or more battery cells (not shown) secured within the second enclosure 228 to provide electric energy at a desired power output and voltage output. Further, the second enclosure 228 retains the battery cells therein to prevent movement, shifting, and the like during use.

[0023] The battery cells may incorporate any battery technology suitable for high-voltage battery applications. It should be noted that the power distribution and power storage characteristics of the battery module 226 may be defined at least in part on the configurations of the battery cells included in the battery module 226. Further, the battery cells may include any capacity, voltage, energy, etc.

[0024] The power module 200 further includes a power distribution unit (PDU) 230 (shown in FIG. 4) coupled with the battery module 226. The PDU 230 is coupled with the fuel cell 214 and the battery module 226 via cables / wires (not shown). The PDU 230 receives electric energy from the fuel cell 214 and the battery module 226. Further, the electric energy is sent to a power inverter (not shown) associated with the work machine 100. The power inverter changes the electric energy from direct current to alternating current.

[0025] Further, the housing 204 is rectangular in shape. The housing 204 includes a housing frame 232, and a base 234 to support each of the fuel cell 214 and the battery module 226. The base 234 provides a surface on which the fuel cell 214 and the battery module 226 may rest. The housing frame 232 includes four panels 236, 238, 240, 242 (see FIG. 4) disposed at corresponding sides 206, 208, 210, 212 of the housing 204. The panels 236, 238 are similar to each other in design, whereas the panels 240, 242 are similar to each other in design. Further, each panel 236, 238 disposed at the first and second sides 206, 208, respectively, of the housing 204 includes a peripheral member 244, and a pair of members 246 arranged in a manner to define through-openings 248 that are triangular in shape. Each panel 240, 242 disposed at the third and fourth sides 210, 212, respectively, of the housing 204 includes a peripheral member 250, and a pair of vertical members 252 arranged in a manner to define through-openings 254 that are rectangular in shape.

[0026] Further, the housing frame 232 defines a first portion 256 to removably receive the fuel cell 214 and a second portion 258 to removably receive the battery module 226. The first and second portions 256, 258 are hollow spaces defined by the housing frame 232. Further, the first portion 256 is separated from the second portion 258 by a divider 260. The divider 260 may include a panel or any structure that separates the first portion 256 from the second portion 258. It should be noted that the design of the housing 204 as described herein is exemplary in nature, and the housing 204 may include any other design or combination of components to serve the intended purpose.

[0027] Further, the mounting structure 202 includes one or more first couplers 262 (only one of which is visible in FIG. 3) to removably couple the fuel cell 214 with the housing frame 232. The one or more first couplers 262 includes two first couplers 262 disposed at corresponding third and fourth sides 210, 212 of the housing 204. In some examples, the first couplers 262 may be coupled to each of the housing frame 232 and the first enclosure 216 using fasteners, such as, bolts, screws, pins, and the like.

[0028] It should be further noted that the battery module 226 may be coupled to the housing frame 232 via a number of vibration isolators (not shown). For example, one or more vibration isolators may be disposed between the base 234 and the cover 224 to couple the battery module 226 with the housing frame 232. Moreover, one or more vibration isolators may be disposed between the panel 242 and the cover 224 to couple the battery module 226 with the housing frame 232.

[0029] The mounting structure 202 further includes a first support 264 to removably couple the power module 200 with the frame 106 (see FIG. 1) of the work machine 100. The first support 264 is removably coupled to an underside 266 of the base 234 of the housing 204. The first support 264 includes a pair of first sections 268, 270. Further, the pair of first sections 268, 270 include planar surfaces that contact the underside 266 of the base 234. The power module 200 further includes a number of first fasteners 272. Specifically, four first fasteners 272 couple the first section 268 of the first support 264 with the underside 266 of the base 234 whereas four first fasteners 272 couple the first section 270 of the first support 264 with the underside 266 of the base 234. Further, the first support 264 includes a pair of angled sections 274 extending from corresponding first sections 268, 270, and a planar section 276 disposed between the pair of angled sections 274. The planar section 276 is spaced apart from the underside 266 of the base 234. It should be noted that the design of the first support 264 as described herein is exemplary in nature and the first support 264 may include any other design or combination of components to serve the intended purpose.

[0030] The mounting structure 202 further includes one or more first vibration isolators 278 disposed between the first support 264 and the frame 106 of the work machine 100. Specifically, the mounting structure 202 includes two first vibration isolators 278 that are disposed adjacent to each other. The first vibration isolators 278 are embodied as isolation mounts herein. Further, the first support 264 is coupled to the first vibration isolators 278 at the planar section 276 of the first support 264. The first support 264 is coupled to the frame 106 via the first vibration isolators 278 and a pair of second fasteners 280. It should be noted that each of the first and second fasteners 272, 280 may include a bolt, a screw, a pin, and the like.

[0031] Further, the coolant pump 220 and the coolant manifold 222 are removably coupled with the housing 204 at the underside 266 of the base 234. The coolant pump 220 and the coolant manifold 222 are disposed adjacent to the first support 264 along the longitudinal direction DI. Further, as mentioned above, the coolant pump 220 and the coolant manifold 222 are disposed within the cover 224. The cover 224 may be removably coupled to the base 234 using fasteners, or other attachment elements, without any limitations.

[0032] Moreover, the one or more coolant heat exchangers 218, 219 are removably coupled with the housing 204 at the underside 266 of the base 234. The one or more coolant heat exchangers 218, 219 are disposed adjacent to the first support 264 along the longitudinal direction D1. The coolant heat exchangers 218, 219 may be removably coupled to the base 234 using fasteners, or other attachment elements, without any limitations. The coolant heat exchangers 218, 219 are arranged such that the coolant pump 220 and the coolant manifold 222 are disposed between the coolant heat exchangers 218, 219.

[0033] The power module 200 includes a drive assembly 282 disposed external to the housing 204 and removably coupled with the housing 204 proximate to the second side 208 thereof. Further, at least a portion of the drive assembly 282 extends beyond the base 234 of the housing 204 along a vertical direction D2. In other words, the drive assembly 282 partially projects below the base 234.

[0034] Referring now to FIG. 4, the housing 204 defines a first height Hl, the fuel cell 214 defines a second height H2, and the battery module 226 defines a third height H3. Each of the second height H2 and the third height H3 is greater than the first height Hl. Further, the third height H3 is greater than the second height H2. Furthermore, the drive assembly 282 defines a fourth height H4 that is greater than the first height Hl of the housing 204.

[0035] The mounting structure 202 includes one or more brackets 284, 286 to removably couple the drive assembly 282 with the housing frame 232. Specifically, the mounting structure 202 includes two brackets 284, 286 that removably couple the drive assembly 282 with the housing frame 232. The brackets 284, 286 are substantially rectangular in shape. Further, the mounting structure 202 may include additional brackets (not shown) that removably couple the drive assembly 282 with the housing frame 232. Such additional brackets may be disposed opposite to the brackets 284, 286 along the vertical direction D2.

[0036] The mounting structure 202 also includes a number of third fasteners 288. Specifically, six third fasteners 288 couple the bracket 284 with each of the drive assembly 282 and the housing frame 232. Moreover, six third fasteners 288 couple the bracket 286 with each of the drive assembly 282 and the housing frame 232. Thus, the drive assembly 282 is removably coupled with the housing frame 232 via the brackets 284, 286 and the third fasteners 288.

[0037] The mounting structure 202 further includes one or more second supports 290, 292 (shown in FIG. 3) to removably couple the power module 200 with the frame 106 (see FIG. 1) of the work machine 100 (see FIG. 1). The one or more second supports 290, 292 are coupled with the drive assembly 282. Specifically, the one or more second supports 290, 292 includes two second supports 290,292 disposed opposite to each other along a lateral direction D3. The second supports 290, 292 are similar to each other in terms of design and dimensions. Each second support 290, 292 includes a first bracket 294 coupled to the drive assembly 282 and a second bracket 296 that couples with the frame 106. Further, the mounting structure 202 includes a number of fourth fasteners 298. Specifically, each second support 290, 292 is removably coupled to the frame 106 of the work machine 100 via two fourth fasteners 298. It should be noted that each of the third and fourth fasteners 288, 298 may include a bolt, a screw, a pin, and the like.

[0038] The mounting structure 202 further includes one or more second vibration isolators 300 disposed between the one or more second supports 290, 292 and the drive assembly 282. Specifically, the mounting structure 202 includes two second vibration isolators 300 disposed between the drive assembly 282 and a corresponding second support 290, 292. The second vibration isolators 300 are embodied as isolation mounts herein.

[0039] The power module 200 also includes a drive motor 302 disposed external to the housing 204 and removably coupled with the housing 204 via the drive assembly 282. The drive motor 302 may be removably coupled with the drive assembly 282 via a number of fasteners or other coupling elements, without any limitations.

[0040] Further, the power module 200 includes one or more pumps 304, 306 disposed external to the housing 204 and removably coupled with the housing 204 via the drive assembly 282. Specifically, the one or more pumps 304, 306 includes a first pump 304 coupled to the drive assembly 282 and a second pump 306 coupled to the drive assembly 282 separately from the first pump 304 along the lateral direction D3. The first pump 304 may be used to provide operating power to move the first and second work implements 114, 118 (see FIG. 1). Further, the second pump 306 may be used to provide operating power to the steering system of the work machine 100. Furthermore, the drive assembly 282 is operably connected to each of the drive motor 302 and the pumps 304, 306. The alternating current from the power inverter is supplied to the drive motor 302 for driving the pumps 304, 306, via the drive assembly 282. It should be noted that the drive assembly 282 may include suitable components to facilitate operation of the pumps 304, 306.

[0041] It is to be understood that individual features shown or described for one embodiment may be combined with individual features shown or described for another embodiment. The above described implementation does not in any way limit the scope of the present disclosure. Therefore, it is to be understood although some features are shown or described to illustrate the use of the present disclosure in the context of functional segments, such features may be omitted from the scope of the present disclosure without departing from the spirit of the present disclosure as defined in the appended claims. Industrial Applicability

[0042] The power module 200 described herein is embodied as a modular package that is used to provide operating power to various components of the work machine 100, such as, the first and second work implements 114, 118, the steering system, the ground engaging members 112, and the like. The power module 200 may be installed in different types of work machines. Further, the power module 200 is designed such that the power module 200 may be accommodated on existing work machines in place of a conventional diesel module, without making any major structural changes to the frame 106. Particularly, various components of the power module 200 may be arranged such that the power module 200 may have a shape and a size that is substantially similar to a shape and a size of conventional diesel modules. Thus, the power module 200 may be retrofitted on existing work machines, without updating a design of the frame 106.

[0043] Further, the power module 200 described herein accommodates multiple components, such as, the fuel cell 214, the battery module 226, the drive assembly 282, the drive motor 302, the pumps 304, 306, and the mounting structure 202 in a single unit, which may improve a speed and an efficiency of an assembly line for manufacturing such power modules. Moreover, packaging of the multiple components into the single unit may improve serviceability of the power module 200, while reducing cost associated with individual packaging of the components of the power module 200. The design of the power module 200 described herein may warrant reduced efforts in terms of manufacturing and handling of the power module 200 and its components.

[0044] Further, the various components of the power module 200 may be removably coupled to each other which may allow easier replacement / servicing of such components, as per requirements. Moreover, the components of the power module 200 are disposed in an optimized and compact arrangement. Additionally, the components of the power module 200 may be easily accessible for servicing / replacement purposes.

[0045] The housing 204 of the power module 200 may serve as a replacement of an engine block of conventional diesel modules, and may hold all components of the power module 200 together. The housing 204 of the power module 200 is designed to accommodate both the fuel cell 214 and the battery module 226 therein. Moreover, the housing 204 also allows coupling of the drive assembly 282, the pumps 304, 306, the coolant heat exchangers 218, 219, the coolant manifold 222, the coolant pump 220, and the drive motor 302. The power module 200 also includes the first support 264 and the second supports 290, 292 that may allow quick and easy coupling of the power module 200 with the frame 106 of the work machine 100. The power module 200 further includes the first and second vibration isolators 278, 300 that may provide vibration isolation, and may prevent damage to the battery module 226 and the fuel cell 214 during operation of the work machine 100.

[0046] FIG. 5 is a flowchart for a method 500 of manufacturing the work machine 100. With reference to FIGS. 1 to 5, at step 502, the power module 200 is assembled. The power module 200 includes the mounting structure 202 including the housing 204. The housing 204 defines the first side 206 and the second side 208. The power module 200 also includes the fuel cell 214 removably received within the housing 204 proximate to the first side 206 of the housing 204. The power module 200 further includes the battery module 226 removably received within the housing 204. The battery module 226 is disposed adjacent to the fuel cell 214 along the longitudinal direction DI. The power module 200 includes the drive assembly 282 disposed external to the housing 204 and removably coupled with the housing 204 proximate to the second side 208 thereof. The power module 200 also includes the drive motor 302 disposed external to the housing 204 and removably coupled with the housing 204 via the drive assembly 282. The power module 200 further includes the one or more pumps 304, 306 disposed external to the housing 204 and removably coupled with the housing 204 via the drive assembly 282.

[0047] At step 504, the power module 200 is attached with the frame 106 of the work machine 100. Further, the power module 200 is attached with the frame 106 of the work machine 100 by removably coupling the housing 204 of the mounting structure 202 with the frame 106 of the work machine 100 via the first support 264. Furthermore, the power module 200 is attached with the frame 106 of the work machine 100 by disposing the one or more first vibration isolators 278 between the first support 264 and the frame 106 of the work machine 100.

[0048] Further, the power module 200 is attached with the frame 106 of the work machine 100 by removably coupling the drive assembly 282 of the power module 200 with the frame 106 of the work machine 100 via the one or more second supports 290, 292. Furthermore, the power module 200 is attached with the frame 106 of the work machine 100 by disposing the one or more second vibration isolators 300 between the one or more second supports 290, 292 and the drive assembly 282.

[0049] While aspects of the present disclosure have been particularly shown and described with reference to the embodiments above, it will be understood by those skilled in the art that various additional embodiments may be contemplated by the modification of the disclosed work machine, systems and methods without departing from the spirit and scope of the disclosure. Such embodiments should be understood to fall within the scope of the present disclosure as determined based upon the claims and any equivalents thereof.

Claims

What is claimed is:

1. A power module for a work machine, the power module comprising:a mounting structure including a housing, the housing defining a first side and a second side;a fuel cell removably received within the housing proximate to the first side of the housing;a battery module removably received within the housing, wherein the battery module is disposed adjacent to the fuel cell along a longitudinal direction;a drive assembly disposed external to the housing and removably coupled with the housing proximate to the second side thereof;a drive motor disposed external to the housing and removably coupled with the housing via the drive assembly; andone or more pumps disposed external to the housing and removably coupled with the housing via the drive assembly.

2. The power module of claim 1, wherein the housing defines a first height, the fuel cell defines a second height, and the battery module defines a third height, and wherein each of the second height and the third height is greater than the first height.

3. The power module of claim 1, wherein the housing is rectangular in shape.

4. The power module of claim 1, wherein the housing includes a housing frame, and a base configured to support each of the fuel cell and the battery module, wherein the housing frame defines a first portion to removably receive the fuel cell and a second portion to removably receive the battery module, and wherein the first portion is separated from the second portion by a divider.

5. The power module of claim 4, wherein the mounting structure further includes a first support configured to removably couple the power module with a frame of the work machine, and wherein the first support is removably coupled to an underside of the base of the housing.

6. The power module of claim 5, wherein the mounting structure further includes one or more first vibration isolators disposed between the first support and the frame of the work machine.

7. The power module of claim 5, further comprising a coolant pump and a coolant manifold removably coupled with the housing at the underside of the base, wherein the coolant pump and the coolant manifold are disposed adjacent to the first support along the longitudinal direction.

8. The power module of claim 5, further comprising one or more coolant heat exchangers removably coupled with the housing at the underside of the base, wherein the one or more coolant heat exchangers are disposed adjacent to the first support along the longitudinal direction.

9. The power module of claim 4, wherein at least a portion of the drive assembly extends beyond the base of the housing along a vertical direction.

10. The power module of claim 4, wherein the mounting structure further includes one or more first couplers configured to removably couple the fuel cell with the housing frame.

11. The power module of claim 4, wherein the mounting structure further includes one or more brackets configured to removably couple the drive assembly with the housing frame.

12. The power module of claim 1, wherein the mounting structure further includes one or more second supports configured to removably couple thepower module with a frame of the work machine, and wherein the one or more second supports are coupled with the drive assembly.

13. The power module of claim 12, wherein the mounting structure further includes one or more second vibration isolators disposed between the one or more second supports and the drive assembly.

14. The power module of claim 1, further comprising a power distribution unit coupled with the battery module.

15. The power module of claim 1, wherein the one or more pumps includes a first pump coupled to the drive assembly and a second pump coupled to the drive assembly separately from the first pump along a lateral direction.

16. A method of manufacturing a work machine, the method comprising: assembling a power module that includes:a mounting structure including a housing, the housing defining a first side and a second side;a fuel cell removably received within the housing proximate to the first side of the housing;a battery module removably received within the housing, wherein the battery module is disposed adjacent to the fuel cell along a longitudinal direction;a drive assembly disposed external to the housing and removably coupled with the housing proximate to the second side thereof;a drive motor disposed external to the housing and removably coupled with the housing via the drive assembly; andone or more pumps disposed external to the housing and removably coupled with the housing via the drive assembly; andattaching the power module with a frame of the work machine.

17. The method of claim 16, wherein the step of attaching the power module with the frame of the work machine further includes removably couplingthe housing of the mounting structure with the frame of the work machine via a first support.

18. The method of claim 17, wherein the step of attaching the power module with the frame of the work machine further includes disposing one or more first vibration isolators between the first support and the frame of the work machine.

19. The method of claim 16, wherein the step of attaching the power module with the frame of the work machine further includes removably coupling the drive assembly of the power module with the frame of the work machine via one or more second supports.

20. The method of claim 19, wherein the step of attaching the power module with the frame of the work machine further includes disposing one or more second vibration isolators between the one or more second supports and the drive assembly.

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