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公开(公告)号：US10926629B1
公开(公告)日：2021-02-23
申请号：US15864220
申请日：2018-01-08
发明人： Michael L. Bennett
IPC分类号： B60K17/08 , B60K17/10 , F16H61/437 , F16H9/24
摘要： A drive assembly for a vehicle is provided, the vehicle having a frame, a prime mover and a pair of driven wheels. The drive assembly includes a transmission having a housing in which a pump and motor may be disposed. The transmission may be pivotally mounted to the frame and movable between at least two positions. The transmission may include an internal reduction gear assembly driven by a motor output shaft, a transmission output shaft disposed generally parallel to the motor output shaft and driven by the internal reduction gear assembly, the transmission output shaft extending from the transmission at both ends thereof. Each end of the transmission output shaft may drive an external reduction assembly supported in part by the frame, and the external reduction assemblies power at least a driven wheel of the vehicle.
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公开(公告)号：US09914350B1
公开(公告)日：2018-03-13
申请号：US14828078
申请日：2015-08-17
CPC分类号： B60K8/00 , B62D11/08 , E01H5/08 , F16H37/065 , F16H39/06 , F16H57/03 , Y10T74/2186
摘要： A drive mechanism includes a pair of driven axles, a center section and a pump and a motor rotatably disposed on one side of the center section. A clutch mechanism is located adjacent an opposite side of the center section to drive the pair of axles. The clutch includes at least one clutch fork disposed adjacent to the center section and being rotatable along an axis of rotation that is perpendicular to the axes of rotation of the pump input shaft and motor output shaft, and also perpendicular to the axis of rotation of the axles.
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公开(公告)号：US09109684B1
公开(公告)日：2015-08-18
申请号：US13913893
申请日：2013-06-10
CPC分类号： B60K8/00 , B62D11/08 , E01H5/08 , F16H37/065 , F16H39/06 , F16H57/03 , Y10T74/2186
摘要： A clutch for driving a pair of output axles for a drive mechanism includes a driven clutch bevel gear mounted on a clutch shaft. A pair of clutch rings is disposed on opposite sides of the bevel gear and slidable along a clutch shaft, to selectively engage a pair of driven gears. A pair of clutch arms engages the clutch rings for moving each clutch ring between its engaged and disengaged positions, and a plurality of springs disposed along the clutch shaft biases the clutch rings to their respective engaged positions. The drive mechanism may include a mounting member having a running surface for a hydraulic motor, a pair of arms on opposite sides and extending away from the running surface, wherein the clutch shaft extends between and is supported by the pair of arms.
摘要翻译： 用于驱动用于驱动机构的一对输出轴的离合器包括安装在离合器轴上的从动离合器锥齿轮。 一对离合器环设置在伞齿轮的相对侧上并且可沿离合器轴滑动，以选择性地接合一对从动齿轮。 一对离合器臂接合离合器环，用于在其接合和分离位置之间移动每个离合器环，并且沿离合器轴布置的多个弹簧将离合器环偏压到它们各自的接合位置。 驱动机构可以包括具有用于液压马达的运行表面的安装构件，在相对侧上的一对臂，并且远离运行表面延伸，其中离合器轴在一对臂之间延伸并由该对臂支撑。
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公开(公告)号：US20150151781A1
公开(公告)日：2015-06-04
申请号：US14617476
申请日：2015-02-09
CPC分类号： B62D5/046 , B62D3/02 , B62D5/0418 , B62D6/008 , B62D7/12 , B62D11/003 , B62D11/04
摘要： A front steering module adapted for integration with the subframe of a zero-turn radius vehicle incorporating an electronic steering apparatus. The module provides both front wheel steering and corresponding control inputs for the electronic steering apparatus. The module has a frame member having a pair of steered wheel assemblies mounted thereto and a mounting member for attachment to the vehicle. The module further comprises a steering mechanism and a steering position sensor for providing input to the electronic steering apparatus.
摘要翻译： 前转向模块，其适于与包含电子转向装置的零回转半径车辆的子框积分。 该模块提供前轮转向和电子转向装置的相应控制输入。 模块具有框架构件，其具有安装在其上的一对转向轮组件和用于附接到车辆的安装构件。 该模块还包括转向机构和用于向电子转向装置提供输入的转向位置传感器。
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公开(公告)号：US10822021B2
公开(公告)日：2020-11-03
申请号：US16047752
申请日：2018-07-27
摘要： An electronic drive control system for a vehicle having a right and left drive wheels and a pair of actuators engaged to respective control arms of the associated variable drive units. A pair of speed sensors are in electrical communication with the respective variable drive units and a controller. The controller receives signals from the speed sensors and determines at least one operational output of each variable drive unit based on the received signals, calculates adjustments to at least one of the actuators and adjusts at least one of the actuators to move the respective control arm of the drive unit to effectuate the desired operational output of the variable drive units.
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公开(公告)号：US10696156B1
公开(公告)日：2020-06-30
申请号：US15910685
申请日：2018-03-02
发明人： Michael L. Bennett
摘要： A transaxle for a vehicle is provided, the transaxle having plurality of inward protrusions on an internal surface thereof. A motor block in the housing includes has one or more first depressions. At least one reduction gear assembly in the housing has one or more second depressions. At least one bearing in the housing for supporting an axle has one or more third depressions. The various inward protrusions on the internal surface of the housing interact with the one or more first depressions to retain the motor block in the housing, the one or more second depressions to retain the reduction gear assembly in the housing, and the one or more third depressions to retain the bearing in the housing.
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公开(公告)号：US10378630B1
公开(公告)日：2019-08-13
申请号：US15615977
申请日：2017-06-07
发明人： Michael L. Bennett
摘要： A hydrostatic transmission assembly includes a first housing member and a housing cap sealed to the first housing member to form a sump wherein a pump and motor are rotatably disposed. A pump mount is located in the sump and engaged to the housing cap. The housing cap also includes a motor mount for an axial piston motor, and hydraulic fluid passages for connecting the pump to the motor. A pocket is located in the housing cap to rotationally support a swash plate for the pump.
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公开(公告)号：US10364874B1
公开(公告)日：2019-07-30
申请号：US15670510
申请日：2017-08-07
发明人： Michael L. Bennett
摘要： A drive train configuration is disclosed. The drive train incorporates an engine having hydraulic pumps contained substantially inside the engine housing and with an engine shaft driving the hydraulic pumps. A porting block or center section is mounted to the engine housing to provide hydraulic communication between the hydraulic pumps located inside the engine housing and hydraulic motors located outside the engine housing. The hydraulic motor output shafts drive gears connected to axles to propel a vehicle.
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公开(公告)号：US10221869B1
公开(公告)日：2019-03-05
申请号：US15465824
申请日：2017-03-22
发明人： Michael L. Bennett , Raymond Hauser
IPC分类号： F15B11/17 , B60K17/10 , B60K17/14 , B60K17/28 , F16H1/22 , B60K25/00 , B60K17/04 , F16H47/02 , F15B1/24
摘要： A drive assembly having a housing forming an internal sump for a transmission, and an accumulator chamber formed in the housing and in fluid communication with the sump. A piston chamber in the housing is in fluid communication with the accumulator chamber. The transmission includes a pump, a pump running surface and an internal porting system in a center section, and a pump swash plate. A piston divides the piston chamber into first and second portions. The piston is biased by a spring force to pressurize hydraulic fluid in the piston chamber and thereby pressurize the hydraulic fluid in the internal sump when pressure in the piston chamber decreases below a set level. A second transmission may also be located in the housing.
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公开(公告)号：US10035537B2
公开(公告)日：2018-07-31
申请号：US14617476
申请日：2015-02-09
CPC分类号： B62D5/046 , B62D3/02 , B62D5/0418 , B62D6/008 , B62D7/12 , B62D11/003 , B62D11/04
摘要： A front steering module adapted for integration with the subframe of a zero-turn radius vehicle incorporating an electronic steering apparatus. The module provides both front wheel steering and corresponding control inputs for the electronic steering apparatus. The module has a frame member having a pair of steered wheel assemblies mounted thereto and a mounting member for attachment to the vehicle. The module further comprises a steering mechanism and a steering position sensor for providing input to the electronic steering apparatus.
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