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1. 发明授权

US5921151A Axle driving apparatus 失效
标题翻译：车轴驱动装置
公开(公告)号：US5921151A
公开(公告)日：1999-07-13
申请号：US141550
申请日：1998-08-28
申请人： Joseph E. Louis , Alan W. Johnson
发明人： Joseph E. Louis , Alan W. Johnson
IPC分类号： F01B3/02 , B60K17/10 , F03C1/253 , F03C1/26 , F03C1/32 , F03C1/38 , F04B1/20 , F16H39/06 , B60K7/00 , F16D33/00 , F16H57/02
CPC分类号： B60K17/10 , B60K17/105 , B60Y2200/223 , Y10T74/19149 , Y10T74/20274 , Y10T74/20287 , Y10T74/2186
摘要： An integrated hydrostatic transmission has a housing comprised of two separable elements detachably joined together along a substantially horizontal parting plane. A hydrostatic transmission including a hydrostatic pump, a hydrostatic motor, and a center section is separately mounted within the housing. The center section comprises a generally L-shaped member having a hydrostatic pump and motor mounting surfaces thereon disposed at right angles to each other. A pair of fluid ports is on each of the mounting surfaces, and internal passageways are in the L-shaped member connecting each of the fluid ports on one of the mounting surfaces with one of said fluid ports being on the other of the mounting surfaces. The L-shaped member comprises first and second legs integrally joined and extending at right angles to each other, with the first leg normally extending in a horizontal direction, and the second leg normally extending in a vertical direction. The first leg has upper and lower surfaces with the pump mounting surface being located on the upper surface. The pump is mounted on the pump mounting surface and has an axis of rotation. The second leg has a first surface extending upwardly from the upper surface of the first leg, and a second surface opposite and parallel to the first surface of the second leg with the motor mounting surface being on the second surface of the second leg. The motor has an axis of rotation perpendicular to the axis of rotation of the pump being mounted on the second surface of the second leg. The pump has an input power shaft extending through the housing.
摘要翻译：集成的静液传动装置具有由两个可分离元件组成的壳体，该可分离元件可沿着基本水平的分型平面分离地连接在一起。包括静液压泵，静液压马达和中心部分的静液传动分别安装在壳体内。中心部分包括大致L形的构件，其具有静液压泵和在其上彼此成直角设置的电动机安装表面。在每个安装表面上都有一对流体端口，而内部通道位于连接其中一个安装表面上的每个流体端口的L形部件中，其中一个流体端口位于另一个安装表面上。 L形构件包括一体地连接并且彼此成直角延伸的第一和第二腿，第一腿通常在水平方向上延伸，并且第二腿通常在垂直方向上延伸。第一条腿具有上表面和下表面，泵安装表面位于上表面。泵安装在泵安装表面上并具有旋转轴。第二腿部具有从第一腿部的上表面向上延伸的第一表面和与第二腿部的第一表面相对并平行的第二表面，电动机安装表面位于第二腿部的第二表面上。马达具有垂直于泵安装在第二支腿的第二表面上的旋转轴线的旋转轴线。泵具有延伸穿过壳体的输入动力轴。

2. 发明授权

US5542494A Hydrostatic transmission and axle assembly 失效
公开(公告)号：US5542494A
公开(公告)日：1996-08-06
申请号：US354525
申请日：1994-12-13
申请人： Joseph E. Louis , Alan W. Johnson
发明人： Joseph E. Louis , Alan W. Johnson
IPC分类号： F01B3/02 , B60K17/10 , F03C1/253 , F03C1/26 , F03C1/32 , F03C1/38 , F04B1/20 , F16H39/06 , F16H57/02
CPC分类号： B60K17/10 , B60K17/105 , B60Y2200/223 , Y10T74/19149 , Y10T74/20274 , Y10T74/20287 , Y10T74/2186
摘要： An integrated hydrostatic transaxle having a common housing for a hydrostatic transmission and a pair of oppositely-extending differentially-connected axles to have the common housing provide a common sump therefor and with a specifically-shaped center section interconnecting the pair of hydraulic displacement units constituting the hydrostatic transmission. The center section is a unitary member separate from the common housing, with the exterior thereof exposed to the common sump. The center section has passages and arcuate ports which are interconnected by certain of said passages and which are located whereby the center section may be cast to minimize any machining required to finish the center section. Such casting can result in a porous center section with possible leakage from a passage having high pressure fluid. However, such leakage is not a problem since the leakage would not be through the wall of the common housing but to the common sump within the common housing which is at atmospheric pressure because of the center section being separate from the common housing.

3. 发明授权

US5513717A Hydrostatic transmission and axle assembly 失效
公开(公告)号：US5513717A
公开(公告)日：1996-05-07
申请号：US181983
申请日：1994-01-14
申请人： Joseph E. Louis , Alan W. Johnson
发明人： Joseph E. Louis , Alan W. Johnson
IPC分类号： F01B3/02 , B60K17/10 , F03C1/253 , F03C1/26 , F03C1/32 , F03C1/38 , F04B1/20 , F16H39/06 , B60K7/00
CPC分类号： B60K17/10 , B60K17/105 , B60Y2200/223 , Y10T74/19149 , Y10T74/20274 , Y10T74/20287 , Y10T74/2186
摘要： An integrated hydrostatic transaxle having a common housing for a hydrostatic transmission and a pair of oppositely-extending differentially-connected axles to have the common housing provide a common sump therefor and with a specifically-shaped center section interconnecting the pair of hydraulic displacement units constituting the hydrostatic transmission. The center section is a unitary member separate from the common housing, with the exterior thereof exposed to the common sump. The center section has passages and arcuate ports which are interconnected by certain of said passages and which are located whereby the center section may be cast to minimize any machining required to finish the center section. Such casting can result in a porous center section with possible leakage from a passage having high pressure fluid. However, such leakage is not a problem since the leakage would not be through the wall of the common housing but to the common sump within the common housing which is at atmospheric pressure because of the center section being separate from the common housing.

4. 发明授权

US3941514A Torque limiting control 失效
标题翻译：扭矩限制控制
公开(公告)号：US3941514A
公开(公告)日：1976-03-02
申请号：US471573
申请日：1974-05-20
申请人： Joseph E. Louis , Roger D. Cannell
发明人： Joseph E. Louis , Roger D. Cannell
IPC分类号： F04B1/26 , F04B1/32 , F04B49/00
CPC分类号： F04B49/007 , F04B1/324 , F04B49/002
摘要： A torque limiting control for a pair of variable displacement hydraulic pumps having displacement varying means and servo means including springs urging each of the displacement varying means to a position for maximum pump displacement and fluid operated means acting in opposition to the springs to shift said displacement varying means for reduction in pump displacement, said control including means for summing the fluid pressures generated by both pumps and controlling the servo means for the two pumps to progressively move the displacement varying means for reduction of pump displacement as the sum of the fluid pressures rises above a predetermined value at a certain pump displacement and thereby limit the sum of the torques required by said pumps.
摘要翻译：一种具有位移变化装置的一对可变排量液压泵的扭矩限制控制装置和伺服装置，其包括将每个排量变化装置推动到最大泵排量的位置的弹簧和与弹簧相对作用的流体操作装置以使所述位移变化用于减小泵排量的装置，所述控制包括用于对由两个泵产生的流体压力求和并且控制两个泵的伺服装置的装置，以逐渐移动位移变化装置，以便随着流体压力的总和高于在一定的泵排量处的预定值，从而限制所述泵所需的扭矩的总和。

5. 发明授权

US5979271A Axle driving apparatus 失效
公开(公告)号：US5979271A
公开(公告)日：1999-11-09
申请号：US298676
申请日：1999-04-22
申请人： Joseph E. Louis , Alan W. Johnson
发明人： Joseph E. Louis , Alan W. Johnson
IPC分类号： F01B3/02 , B60K17/10 , F03C1/253 , F03C1/26 , F03C1/32 , F03C1/38 , F04B1/20 , F16H39/06 , F16H57/02 , F16D39/00
CPC分类号： B60K17/10 , B60K17/105 , B60Y2200/223 , Y10T74/19149 , Y10T74/20274 , Y10T74/20287 , Y10T74/2186
摘要： An integrated hydrostatic transmission has a housing comprised of two separable elements detachably joined together along a substantially horizontal parting plane. A hydrostatic transmission including a hydrostatic pump, a hydrostatic motor, and a center section is separately mounted within the housing. The center section comprises a generally L-shaped member having a hydrostatic pump and motor mounting surfaces thereon disposed at right angles to each other. A pair of fluid ports is on each of the mounting surfaces, and internal passageways are in the L-shaped member connecting each of the fluid ports on one of the mounting surfaces with one of said fluid ports being on the other of the mounting surfaces. The L-shaped member comprises first and second legs integrally joined and extending at right angles to each other, with the first leg normally extending in a horizontal direction, and the second leg normally extending in a vertical direction. The first leg has upper and lower surfaces with the pump mounting surface being located on the upper surface. The pump is mounted on the pump mounting surface and has an axis of rotation. The second leg has a first surface extending upwardly from the upper surface of the first leg, and a second surface opposite and parallel to the first surface of the second leg with the motor mounting surface being on the second surface of the second leg. The motor has an axis of rotation perpendicular to the axis of rotation of the pump being mounted on the second surface of the second leg. The pump has an input power shaft extending through the housing.

6. 发明授权

US5802931A Axle driving apparatus 失效
标题翻译：车轴驱动装置
公开(公告)号：US5802931A
公开(公告)日：1998-09-08
申请号：US595276
申请日：1996-02-01
申请人： Joseph E. Louis
发明人： Joseph E. Louis
IPC分类号： F01B3/02 , B60K17/10 , F03C1/253 , F03C1/26 , F03C1/32 , F03C1/38 , F04B1/20 , F16H39/06 , B60K7/00 , F16D33/00 , F16H57/02
CPC分类号： B60K17/10 , B60K17/105 , B60Y2200/223 , Y10T74/19149 , Y10T74/20274 , Y10T74/20287 , Y10T74/2186
摘要： An axle driving apparatus having a common housing of at least two separable pieces for a hydrostatic transmission comletely contained within the housing. A pair of oppositely-extending differentially-connected axles extend from the housing. The housing pieces are separable at a horizontal parting plane.
摘要翻译：一种车轴驱动装置，具有至少两个可分离件的公共壳体，用于静压传动装置完全包含在壳体内。一对相对延伸的差分连接的轴从壳体延伸。壳体件在水平分离平面处可分离。

7. 发明授权

US5211077A Hydrostatic transmission center section 失效
标题翻译：水电传动中心部分
公开(公告)号：US5211077A
公开(公告)日：1993-05-18
申请号：US705117
申请日：1991-05-24
申请人： Joseph E. Louis , Alan W. Johnson
发明人： Joseph E. Louis , Alan W. Johnson
IPC分类号： B60K17/10 , F16H57/02 , F16D39/00
CPC分类号： B60K17/105 , B60Y2200/223 , Y10T74/19149 , Y10T74/2186
摘要： An intergrated hydrostatic transaxle having a common housing for a hydrostatic transmission and a pair of oppositely-extending differentially-connected axles to have the common housing provide a common sump therefor and with a specifically-shaped center section interconnecting the pair of hydraulic displacement units constituting the hydrostatic transmission. The center section is a unitary member separate from the common housing, with the exterior therefor exposed to the common sump. The center section has passages and arcuate ports which are interconnected by certain of said passages and which are located whereby the center section may be cast to minimize any machining required to finish the center section. Such casting can result in a porous center section with possible leakage from a passage having high pressure fluid. However, such leakage is not a problem since the leakage would not be through the wall of the common housing but to the common sump within the common housing which is at atmospheric pressure because of the center section being separate from the common housing.

8. 发明授权

US4400935A Engine speed control 失效
标题翻译：发动机转速控制
公开(公告)号：US4400935A
公开(公告)日：1983-08-30
申请号：US117795
申请日：1980-01-28
申请人： Joseph E. Louis
发明人： Joseph E. Louis
IPC分类号： F02D1/12 , B60K17/28 , B60W10/06 , B60W30/18 , E02F9/20 , F02D1/04 , F02D11/06 , F02D29/04 , F16H61/42 , G01P20060101 , G03G21/00 , G05D7/00 , G05D13/30 , F16H39/46
CPC分类号： B60W10/06 , B60W10/04 , B60W10/103 , B60W30/18
摘要： An engine speed control for a variable speed engine wherein the engine can have a set speed to operate at a relatively low working speed or at an idle speed and which is adjustable to increase engine speed. The engine drives plural pumps and a control circuit is responsive to a certain flow rate from either of said pumps to increase the speed of the engine to provide for additional flow from the pumps. In a hydrostatic transmission as usable in the drive of a vehicle, there are a pair of fluid translating devices, in the form of a pump and a motor, with at least one of the devices being of variable displacement and having a displacement control responsive to a speed control signal. In such a system, the engine which powers the hydrostatic transmission is set at a desired speed of operation below maximum speed and is adjusted in response to the speed control signal for increase in said engine speed when the speed control signal exceeds a predetermined level. The control circuit also provides for destroking of the motor at maximum displacement of the pump when both are of variable displacement.
摘要翻译：用于变速发动机的发动机速度控制，其中发动机可以具有设定速度以在相对较低的工作速度或怠速下操作并且可调节以提高发动机速度。发动机驱动多个泵，并且控制电路响应于来自任一个所述泵的一定流量，以增加发动机的速度以提供来自泵的附加流量。在可用于车辆驱动中的静液传动装置中，存在一对以泵和电动机的形式的流体平移装置，其中至少一个装置是可变位移的并具有响应于速度控制信号。在这样的系统中，对静液压变速器供电的发动机设定在最高速度以下的期望速度，并且当速度控制信号超过预定水平时，根据速度控制信号来调节所述发动机转速的增加。当两者都是可变位移时，控制电路还提供了在泵的最大位移时电动机的破坏。

9. 再颁专利

USRE30226E Torque limiting control 失效
标题翻译：扭矩限制控制
公开(公告)号：USRE30226E
公开(公告)日：1980-03-11
申请号：US814798
申请日：1977-07-11
申请人： Joseph E. Louis , Roger D. Cannell
发明人： Joseph E. Louis , Roger D. Cannell
IPC分类号： F04B1/32 , F04B49/00
CPC分类号： F04B1/324 , F04B49/002 , F04B49/007
摘要： A torque limiting control for a pair of variable displacement hydraulic pumps having displacement varying means and servo means including springs urging each of the displacement varying means to a position for maximum pump displacement and fluid operated means acting in opposition to the springs to shift said displacement varying means for reduction in pump displacement, said control including means for summing the fluid pressures generated by both pumps and controlling the servo means for the two pumps to progressively move the displacement varying means for reduction of pump displacement as the sum of the fluid pressures rises above a predetermined value at a certain pump displacement and thereby limit the sum of the torques required by said pumps.

10. 发明授权

US3969896A Transmission ratio control system 失效
标题翻译：传动比控制系统
公开(公告)号：US3969896A
公开(公告)日：1976-07-20
申请号：US575450
申请日：1975-05-08
申请人： Joseph E. Louis
发明人： Joseph E. Louis
IPC分类号： B60W10/00 , B60K17/10 , B60W10/04 , B60W10/10 , F02D29/02 , F04B49/00 , F15B15/18 , F16H59/26 , F16H61/40 , F16H61/4157 , F16H61/42 , F16H61/433 , F16H61/46 , F16H61/462 , F16H61/66 , F16H39/46
CPC分类号： F16H61/46 , B60W10/10 , B60W10/18 , F16H61/4157 , F16H61/433 , F16H61/462 , F16H2059/6853 , F16H2059/6861 , F16H59/26 , Y02T10/76
摘要： A transmission ratio control system including an engine having fuel supply means for controlling engine power, a hydrostatic transmission driven by the engine including means for varying transmission ratio, a ratio control valve for controlling the ratio varying means, means for applying a bias to the ratio control valve proportional to engine speed, and means responsive to system pressure in the hydrostatic transmission for applying an opposing bias to the ratio control valve proportional to engine torque. In operation, the fuel supply means calls for a predetermined amount of power to be delivered by the engine and the system pressure in the hydrostatic transmission is utilized and as modified by the transmission ratio to provide an indication of engine torque, with the ratio control valve being responsive to the engine speed and the engine torque to vary the transmission ratio to obtain a desired power/speed curve for operation of the engine. The system also includes a brake valve alternatively operable to deliver a signal simulating an engine torque level to correspond to the desired engine speed.
摘要翻译：一种传动比控制系统，包括具有用于控制发动机功率的燃料供给装置的发动机，由发动机驱动的液压传动装置，包括用于变速传动比的装置，用于控制比率变化装置的比率控制阀，控制阀与发动机转速成比例，以及响应于静液压变速器中的系统压力的装置，用于向与发动机扭矩成比例的比率控制阀施加相反的偏压。在操作中，燃料供给装置需要由发动机输送预定量的动力，利用静液压传动系统中的压力，并通过传动比改变以提供发动机扭矩的指示，比率控制阀响应于发动机转速和发动机扭矩以改变变速比，以获得用于发动机运转的期望功率/速度曲线。该系统还包括一个制动阀，可替代地操作以传送模拟发动机转矩水平以对应于所需发动机转速的信号。

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