IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0649951
(2009-12-30)
|
등록번호 |
US-8196399
(2012-06-12)
|
발명자
/ 주소 |
- Hauser, Raymond
- Keller, Scott W.
|
출원인 / 주소 |
- Hydro-Gear Limited Partnership
|
대리인 / 주소 |
Neal, Gerber & Eisenberg LLP
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
40 |
초록
▼
A module for use in connection with a dual pump apparatus, where each pump is hydraulically connected to a separate hydraulic motor. The module may include motors and/or an engine for ease of installation in a vehicle, providing flexibility for different applications. Various brackets, stabilizers a
A module for use in connection with a dual pump apparatus, where each pump is hydraulically connected to a separate hydraulic motor. The module may include motors and/or an engine for ease of installation in a vehicle, providing flexibility for different applications. Various brackets, stabilizers and other elements are provided to assist in securing the module to the vehicle.
대표청구항
▼
1. A hydraulic apparatus, comprising: an input shaft driven by a prime mover, the input shaft positioned on a first side of the hydraulic apparatus;a pair of hydraulic pumps driven by the input shaft, wherein the input shaft is positioned between and drives the hydraulic pumps, and wherein each of t
1. A hydraulic apparatus, comprising: an input shaft driven by a prime mover, the input shaft positioned on a first side of the hydraulic apparatus;a pair of hydraulic pumps driven by the input shaft, wherein the input shaft is positioned between and drives the hydraulic pumps, and wherein each of the pair of hydraulic pumps has an axis of rotation that is perpendicular to an axis of rotation of the input shaft;a power take off unit having an output shaft and a clutch mechanism, the power take off unit positioned on a second side of the hydraulic apparatus, opposite the first side; andan anti-rotation pin attached to the clutch mechanism to prevent the clutch mechanism from spinning;wherein the input shaft and the output shaft are collinear. 2. The hydraulic apparatus of claim 1, wherein the axes of rotation of the pair of hydraulic pumps are collinear. 3. The hydraulic apparatus of claim 1, wherein the clutch mechanism is an electric clutch. 4. The hydraulic apparatus of claim 1, wherein the power take off unit comprises a pulley and a clutch, wherein the clutch acts to selectively engage the pulley to the input shaft. 5. The hydraulic apparatus of claim 1, further comprising a pair of hydraulic motors, each hydraulic motor being connected to one of the hydraulic pumps. 6. The hydraulic apparatus of claim 5, further comprising: a bracket assembly for mounting the hydraulic apparatus to a vehicle, the bracket assembly comprising: a pump bracket attached to the pair of hydraulic pumps;a first bracket member attached to one of the pair of hydraulic motors;a second bracket member attached to the other of the pair of hydraulic motors; anda third bracket member extending from the first bracket member to the second bracket member, wherein the first and second bracket members and the pump bracket are secured to the third bracket member. 7. A hydraulic apparatus for use in a vehicle having a prime mover, comprising: a pump housing having a top surface and a bottom surface with respect to ground;an input shaft driven by the prime mover, the input shaft extending into the top surface of the pump housing;a pair of hydraulic pumps driven by the input shaft, wherein the input shaft is positioned between and drives the hydraulic pumps, and wherein each of the pair of hydraulic pumps has an axis of rotation that is perpendicular to an axis of rotation of the input shaft;a power take off unit having an output shaft and a clutch mechanism, the output shaft disposed collinear with the input shaft, the power take off unit positioned at the bottom surface of the pump housing; andmeans for preventing rotation of the clutch mechanism. 8. The hydraulic apparatus of claim 7, further comprising a pair of hydraulic motors, each hydraulic motor being connected to one of the hydraulic pumps. 9. The hydraulic apparatus of claim 8, further comprising: a bracket assembly for mounting the pump housing and the pair of hydraulic motors to the vehicle, the bracket assembly comprising: a pump bracket attached to the pump housing;a first bracket member attached to one of the pair of hydraulic motors;a second bracket member attached to the other of the pair of hydraulic motors; anda third bracket member extending from the first bracket member to the second bracket member, wherein the first and second bracket members and the pump bracket are secured to the third bracket member. 10. The hydraulic apparatus of claim 7, wherein the axes of rotation of the pair of hydraulic pumps are collinear. 11. The hydraulic apparatus of claim 7, further comprising a bevel gear disposed on the input shaft, wherein the pair of hydraulic pumps are driven by the input shaft through the bevel gear. 12. The hydraulic apparatus of claim 11, further comprising a first pump input shaft engaged to the bevel gear and driving one of the pair of hydraulic pumps, and a second pump input shaft engaged to the bevel gear and driving the other of the pair of hydraulic pumps. 13. A hydraulic apparatus for use in a vehicle having a prime mover, comprising: a pump housing having a top surface and a bottom surface with respect to ground;an input shaft driven by the prime mover, the input shaft extending into the top surface of the pump housing;a pair of hydraulic pumps driven by the input shaft, wherein the input shaft drives the hydraulic pumps, and wherein each of the pair of hydraulic pumps has an axis of rotation that is perpendicular to an axis of rotation of the input shaft;a power take off unit disposed on the bottom surface of the pump housing, the power take off unit comprising an output shaft that is collinear with the input shaft, a clutch mechanism, and a pulley, wherein the clutch mechanism selectively connects the pulley with the input shaft; andmeans for preventing rotation of the clutch mechanism. 14. The hydraulic apparatus of claim 13, further comprising a bell housing engaged to the pump housing and the prime mover. 15. The hydraulic apparatus of claim 13, wherein the power take off unit drives a mower deck. 16. The hydraulic apparatus of claim 13, wherein the axes of rotation of the pair of hydraulic pumps are collinear. 17. The hydraulic apparatus of claim 13, further comprising a first pump input shaft driving one of the pair of hydraulic pumps and a second pump input shaft driving the other of the pair of hydraulic pumps. 18. The hydraulic apparatus of claim 17, further comprising a bevel gear engaged to the input shaft, wherein the first and the second pump input shafts are engaged to the bevel gear. 19. A hydraulic apparatus for use in a vehicle having a prime mover, comprising: a pump housing having a top surface and a bottom surface with respect to ground;an input shaft driven by the prime mover, the input shaft extending into the top surface of the pump housing;a pair of hydraulic pumps driven by the input shaft, wherein the input shaft is positioned between and drives the hydraulic pumps, and wherein each of the pair of hydraulic pumps has an axis of rotation that is perpendicular to an axis of rotation of the input shaft;a pair of hydraulic motors, each hydraulic motor being connected to one of the hydraulic pumps;a power take off unit having an output shaft and a clutch mechanism, the output shaft disposed collinear with the input shaft, the power take off unit positioned at the bottom surface of the pump housing; anda bracket assembly for mounting the pump housing and the pair of hydraulic motors to the vehicle, the bracket assembly comprising: a pump bracket attached to the pump housing;a first bracket member attached to one of the pair of hydraulic motors;a second bracket member attached to the other of the pair of hydraulic motors; anda third bracket member extending from the first bracket member to the second bracket member, wherein the first and second bracket members and the pump bracket are secured to the third bracket member.
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