A vehicle including a pump apparatus having a housing in which an end cap is disposed, and a mower deck is disclosed. Multiple hydraulic pumps driven by a prime mover are mounted on the end cap and connected to hydraulic ports formed in the end cap. An auxiliary pump may be drivingly coupled to the
A vehicle including a pump apparatus having a housing in which an end cap is disposed, and a mower deck is disclosed. Multiple hydraulic pumps driven by a prime mover are mounted on the end cap and connected to hydraulic ports formed in the end cap. An auxiliary pump may be drivingly coupled to the prime mover and a power take off unit may also be connected thereto to drive the mower deck. The end cap may further include a charge pump mounting surface and a charge port for connecting a charge pump.
대표청구항▼
1. A vehicle, comprising: a prime mover disposed on a vehicle frame;a mower deck engaged to the frame;a pair of driven wheels, each driven wheel being powered by a separate hydraulic motor and each hydraulic motor is disposed below the frame;a pump assembly disposed above the frame and comprising an
1. A vehicle, comprising: a prime mover disposed on a vehicle frame;a mower deck engaged to the frame;a pair of driven wheels, each driven wheel being powered by a separate hydraulic motor and each hydraulic motor is disposed below the frame;a pump assembly disposed above the frame and comprising an end cap for supporting a first pump, a second pump and an auxiliary pump;a first set of hydraulic hoses connected between the end cap and the hydraulic motors to provide hydraulic fluid from the end cap to the hydraulic motors;a hydraulic deck motor engaged to the mower deck for powering the mower deck; anda second set of hydraulic hoses extending between the end cap and the hydraulic deck motor to provide hydraulic fluid from the auxiliary pump to the hydraulic deck motor. 2. The vehicle of claim 1, wherein the hydraulic deck motor is disposed below the vehicle frame. 3. The vehicle of claim 1, wherein the end cap has a first centrally located opening formed therein for an input shaft to extend therethrough, and a plurality of second openings formed therein, each second opening extending through a running surface for one of the first pump, the second pump and the auxiliary pump. 4. A vehicle having a prime mover disposed on a vehicle frame, the vehicle comprising: a mower deck attached to the vehicle frame;a bell housing attached to the prime mover;a power take off unit attached to the bell housing and driving the mower deck;a pump housing attached to the power take off unit, the pump housing including a first pump, a second pump and a third pump enclosed therein;a main input shaft drivingly coupled to an output shaft of the prime mover and extending through at least a portion of the bell housing and the pump housing, the main input shaft extending entirely through the power take off unit, where the output shaft of the prime mover and the main input shaft are substantially coaxial; anda first pump shaft driving the first pump, a second pump shaft driving the second pump, and a third pump shaft driving the third pump, wherein the main input shaft is parallel to and drives the first, second and third pump shafts. 5. The vehicle of claim 4, wherein the first pump and the second pump are on generally opposite sides of the main input shaft, the third pump is generally on one side of the first pump, the second pump and the main input shaft, and the power take off unit is generally opposite the third pump on a second side of the first pump, the second pump and the main input shaft. 6. The vehicle of claim 5, further comprising a first pulley coupled to the main input shaft, an electric clutch for engaging and disengaging the first pulley to and from the main input shaft and a second pulley drivingly attached to the first pulley by a belt. 7. The vehicle of claim 6, wherein the mower deck is activated by actuating the electric clutch. 8. The vehicle of claim 4, further comprising a fan powered by the main input shaft and having an axis of rotation that is collinear with the axis of rotation of the main input shaft. 9. The vehicle of claim 4, further comprising an end cap having a first side secured to the pump housing, wherein the end cap and the pump housing cooperate to form a sump for the first pump and the second pump. 10. The vehicle of claim 9, further comprising a gear chamber located on a second side of the end cap opposite to the first side, and a plurality of gears disposed in the gear chamber, wherein at least one of the plurality of gears is engaged to and driven by the main input shaft. 11. The vehicle of claim 10, further comprising at least one pump shaft extending through the end cap and being engaged to and driven by one of the plurality of gears, and being engaged to and driving one of the first pump, the second pump or the third pump. 12. The vehicle of claim 10, wherein the third pump is disposed external to the sump, and is driven by a pump shaft engaged to and driven by one of the plurality of gears. 13. The vehicle of claim 4, wherein the power take off unit comprises a power take off shaft, and the bell housing and the pump housing are disposed above the vehicle frame and the power take off shaft is below the vehicle frame. 14. The vehicle of claim 3, wherein each of the second openings are equidistant from the first opening. 15. A vehicle having a prime mover disposed on a vehicle frame, the vehicle comprising: a mower deck attached to the vehicle frame;a bell housing attached to the prime mover;a pump housing attached to the bell housing;an end cap having a first side secured to the pump housing, wherein the end cap and the pump housing cooperate to form a sump;a first pump, a second pump and a third pump disposed on the end cap and located in the sump;a main input shaft extending through the pump housing;a first pump shaft driving the first pump, a second pump shaft driving the second pump, and a third pump shaft driving the third pump, wherein the main input shaft is parallel to and drives the first, second and third pump shafts; anda power take off unit disposed on the end cap and driving the mower deck. 16. The vehicle of claim 15, wherein the power take off comprises a motor disposed on the end cap and hydraulically powered by the third pump, and a power take off shaft driven by the motor and extending through the end cap. 17. The vehicle of claim 15, further comprising a gear chamber located on a second side of the end cap opposite to the first side, and a plurality of gears disposed in the gear chamber, wherein at least one of the plurality of gears is engaged to and driven by the main input shaft. 18. The vehicle of claim 17, wherein the first pump shaft, the second pump shaft and the third pump shaft each extend through the end cap and are engaged to and driven by one of the plurality of gears. 19. The vehicle of claim 18, wherein the power take off comprises a motor disposed on the end cap and hydraulically powered by the third pump, and a power take off shaft driven by the motor and extending through the end cap. 20. The vehicle of claim 19, wherein the bell housing and the pump housing are disposed above the vehicle frame, and the power take off is disposed below each of the first pump, the second pump and the third pump, and the power take off shaft is disposed below the vehicle frame.
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