A modular transmission assembly is disclosed, including a bracket having separate, integrally formed pump and motor mounting areas disposed generally perpendicular to one another, a pump assembly engaged and fastened to the bracket proximate to the pump mounting area, the pump assembly having an end
A modular transmission assembly is disclosed, including a bracket having separate, integrally formed pump and motor mounting areas disposed generally perpendicular to one another, a pump assembly engaged and fastened to the bracket proximate to the pump mounting area, the pump assembly having an end cap secured to a pump housing and having at least two system ports on one side of the end cap, a motor assembly engaged and fastened to the bracket proximate to the motor mounting area, the motor assembly having a front housing with at least two motor system ports and an output shaft and at least two hoses connecting the pump system ports to the motor system parts to form a hydraulic circuit.
대표청구항▼
1. A modular transmission assembly, comprising: a bracket separably attachable to a vehicle frame, the bracket comprising a single pump mounting area, a first peripheral wall extending upwardly from and surrounding the pump mounting area, a single motor mounting area, and a second peripheral wall ex
1. A modular transmission assembly, comprising: a bracket separably attachable to a vehicle frame, the bracket comprising a single pump mounting area, a first peripheral wall extending upwardly from and surrounding the pump mounting area, a single motor mounting area, and a second peripheral wall extending outwardly from the motor mounting area, wherein the motor mounting area is integrally formed with and generally perpendicular and adjacent to the pump mounting area;a single pump assembly engaged and fastened to the bracket proximate to the pump mounting area, the pump assembly comprising an end cap secured to a pump housing and having at least two pump system ports on one side of the end cap;a single motor assembly engaged and fastened to the bracket proximate to the motor mounting area, the motor assembly comprising a front housing disposed on a first side of the motor mounting area and comprising at least two motor system ports and an output shaft, and wherein a portion of the motor assembly extends through and is surrounded by the second peripheral wall on a second side of the motor mounting area that is opposite of the first side; andat least two hoses, each hose connecting one of the pump system ports to one of the motor system ports, to form a hydraulic circuit. 2. The modular transmission assembly of claim 1 wherein the pump assembly further comprises an axial piston pump having a pump input shaft extending from the pump housing. 3. The modular transmission assembly of claim 2, further comprising a fan driven by the pump input shaft. 4. The modular transmission assembly of claim 1 wherein the motor assembly further comprises a geroller motor. 5. The modular transmission assembly of claim 1 further comprising a return to neutral assembly engaged to the pump assembly. 6. The modular transmission assembly of claim 5, wherein at least a portion of the return to neutral assembly is exposed above the top of the pump mounting area of the bracket. 7. A modular transmission assembly comprising: a bracket comprising a pump mounting area and a motor mounting area, wherein the motor mounting area is formed generally perpendicular to the pump mounting area;a peripheral wall extending upwardly from the bracket and surrounding the pump mounting area;an pump assembly engaged and fastened to the bracket proximate to the pump mounting area, the pump assembly comprising a pump housing having at least two pump system ports open to an external surface thereof and a pump input shaft extending into the pump housing;a motor assembly engaged and fastened to the bracket proximate to the motor mounting area, the motor assembly comprising a motor housing comprising at least two motor system ports open to the external surface thereof and a motor output shaft;at least two hoses connecting the pump assembly to the motor assembly, the at least two hoses connected to both the first and second internal porting to from a hydraulic circuit; anda return to neutral assembly engaged to the pump assembly, wherein a first portion of the return to neutral assembly is exposed above a top of the peripheral wall and a second portion of the return to neutral assembly is disposed below the top of the peripheral wall. 8. The modular transmission assembly of claim 7 further comprising a fan driven by the pump input shaft. 9. The modular transmission assembly of claim 7, wherein the pump housing further comprises a main housing element and an end cap secured thereto to form a sump, and the pump system ports are formed in the end cap. 10. A vehicle comprising a frame, a prime mover disposed on the frame, and at least two modular transmission assemblies separately disposed on the frame, each modular transmission assembly comprising: a bracket comprising a single pump mounting area, a peripheral wall extending upwardly from the bracket and surrounding the pump mounting area, and a single motor mounting area, wherein the motor mounting area is integrally formed with and generally perpendicular to the pump mounting area;a single pump assembly comprising a pump housing having at least two pump system ports on one side thereof;a single motor assembly engaged and fastened to the bracket proximate to the motor mounting area, the motor assembly comprising a motor housing having at least two motor system ports and a motor output shaft; andat least two hoses, each hose connecting one of the pump system ports to one of the motor system ports, to form a hydraulic circuit. 11. The vehicle of claim 10, wherein each said pump assembly comprises an axial piston pump. 12. The vehicle of claim 10, wherein each said motor assembly further comprises a geroller motor. 13. The vehicle of claim 10, further comprising a separate return to neutral assembly engaged to each pump assembly. 14. The vehicle of claim 13, wherein a portion of each return to neutral assembly is exposed above the top of its respective bracket. 15. The vehicle of claim 14, wherein each modular transmission assembly further comprises a pump input shaft extending from the pump housing and a fan driven by the pump input shaft. 16. The vehicle of claim 10, wherein each pump housing further comprises a main housing element and an end cap secured thereto to form a sump. 17. The vehicle of claim 16, wherein the pump system ports of each pump assembly are formed in the respective end cap.
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