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公开(公告)号：US20230369935A1
公开(公告)日：2023-11-16
申请号：US18318522
申请日：2023-05-16
CPC分类号： H02K5/203 , H02K9/19 , H02K11/33 , H02K2211/03
摘要： An electric motor and related components, such as a motor controller assembly, are disclosed having a coolant circuit where the related components are cooled by the same fluid flow that cools the electric motor. The compact coolant circuit minimizes the need for external lines between the electric motor and related components, while providing separate heat sinks for the electric motor and, for example, a motor controller assembly. The liquid-cooled electric motor and related components may engage and power a variety of reduction output assemblies to form drive assemblies. The coolant circuit of the electric motor and its related components cooperates with an external coolant circuit to form a cooling system. The external circuit may include a radiator (e.g., heat exchanger or oil cooler) and an electric pump for the coolant which may cool one or more drive assemblies of a vehicle drive system.
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公开(公告)号：US10288156B1
公开(公告)日：2019-05-14
申请号：US15615614
申请日：2017-06-06
发明人： Michael L. Bennett
摘要： A compact hydraulic transmission assembly using an axial piston pump disposed on a center section that also provides a cylindrical running surface for a radial piston motor. This design provides for a compact and low profile assembly, while the combination of an axial piston pump with a radial piston motor provides improved efficiency for higher torque output. The radial piston motor includes a lower mass piston block that improves performance. The center section includes an extension extending outwardly from its circumference and including a check port; and a mounting lobe for securing the center section is secured to the pump housing.
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公开(公告)号：US20190023306A1
公开(公告)日：2019-01-24
申请号：US16047752
申请日：2018-07-27
CPC分类号： B62D5/046 , B62D3/02 , B62D5/0418 , B62D6/008 , B62D7/12 , B62D11/003 , B62D11/04
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：US09726269B1
公开(公告)日：2017-08-08
申请号：US14589063
申请日：2015-01-05
发明人： Michael L. Bennett
CPC分类号： F16H47/02 , B60K7/0015 , B60K17/10 , B60K2007/0076 , F04B23/04 , F16H39/14 , F16H2047/025 , F16H2057/02043
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：US10414272B1
公开(公告)日：2019-09-17
申请号：US15910515
申请日：2018-03-02
发明人： Michael L. Bennett
摘要： A gear reduction apparatus includes a first gear set and a second gear set connected to a motor shaft, a clutch assembly located between the first gear set and the second gear set and being configured to occupy an engaged state and a disengaged state, wherein the engaged state enables torque transmission from the first rotatable shaft to the second rotatable shaft, and the disengaged state disables torque transmission from the first rotatable shaft to the second rotatable shaft.
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公开(公告)号：US10281024B1
公开(公告)日：2019-05-07
申请号：US15369113
申请日：2016-12-05
发明人： Michael L. Bennett
IPC分类号： B60K17/28 , B60K25/06 , F16H47/02 , F16H57/04 , F16H57/023 , F16H57/028 , F16H57/02
摘要： A drive assembly is disclosed, with a variable speed transmission in a housing. A pair of clutch assemblies are engaged to a transmission output shaft, and engaged to and selectively driving a pair of axle shafts. A power take off includes a power take off output shaft and a clutch/brake mechanism. A first and a second output gears are driven by the transmission output shaft and disposed on a first and second jack shafts, respectively. A first intermediate gear is disposed on a third jack shaft and driven by the first output gear, and a second intermediate gear is disposed on a fourth jack shaft.
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公开(公告)号：US09908407B1
公开(公告)日：2018-03-06
申请号：US15171878
申请日：2016-06-02
CPC分类号： B60K17/105 , B60Y2200/223 , F16H39/08 , F16H39/10 , F16H47/04
摘要： A transaxle for a vehicle is provided, the transaxle including a pump assembly having an input shaft extending from a housing and a pump disposed on a first hydraulic mounting member attached to the pump housing. The pump may be driven by an electric motor mounted on the vehicle. A motor assembly in a separate housing is also provided, and the transaxle may use a pair of dual planetary gear reduction mechanisms driven by a motor output shaft, each reduction mechanism driving an axle driving one of a pair of driven wheels of the vehicle. The axes of rotation of the pump shaft, motor shaft, electric motor output and the axles may all be located on a common plane to provide a compact unit.
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公开(公告)号：US09677653B1
公开(公告)日：2017-06-13
申请号：US14921133
申请日：2015-10-23
发明人： Michael L. Bennett
CPC分类号： F16H39/08 , E01H5/04 , F16H61/42 , F16H61/437
摘要： A hydrostatic transmission assembly includes a main housing and a housing cap sealed to the main housing 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：US09394892B1
公开(公告)日：2016-07-19
申请号：US14280797
申请日：2014-05-19
发明人： Michael L. Bennett , Raymond Hauser
摘要： A pump assembly includes a pair of rotatable pumps located in a housing and engaged to a pump support disposed on a support surface on which the rotatable pumps are mounted. The pump support may include a pair of parallel side walls and a pair of bearing supports for a pair of pump shafts. Each pump shaft is driven by a separate pump gear, and a distance between an axis of rotation of a first pump shaft and an axis of rotation of a second pump shaft is less than a sum of: (a) a minor radius of the first pump gear, and (b) a minor radius of the second pump gear.
摘要翻译： 泵组件包括位于壳体中的一对可旋转泵，并且与泵支架接合，所述泵支撑件设置在其上安装有可旋转泵的支撑表面上。 泵支撑件可以包括一对平行的侧壁和一对用于一对泵轴的轴承支撑。 每个泵轴由单独的泵齿轮驱动，并且第一泵轴的旋转轴线和第二泵轴的旋转轴线之间的距离小于以下之和：（a）第一泵轴的第一 泵齿轮，和（b）第二泵齿轮的小半径。
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公开(公告)号：US08733091B1
公开(公告)日：2014-05-27
申请号：US13922695
申请日：2013-06-20
发明人： Michael L. Bennett , Raymond Hauser
摘要： In a vehicle having an engine, crankshaft and pump assembly in an engine housing, the pump assembly includes a pair of rotatable pumps located in the engine housing and engaged to respective cradle bearing supports. A single pump shaft driven by the crankshaft has an axis of rotation parallel to that of the crankshaft, and engages and drives both rotatable pumps. The pump assembly also includes a first support plate on which one of the rotatable pumps is disposed and a second support plate on which the other of the rotatable pumps is disposed, and both cradle bearing supports are disposed between the first support plate and the second support plate.
摘要翻译： 在具有发动机壳体中的发动机，曲轴和泵组件的车辆中，泵组件包括位于发动机壳体中的一对可旋转泵并且接合到相应的支架支撑支撑件。 由曲轴驱动的单个泵轴具有平行于曲轴的旋转轴线，并且接合并驱动两个可旋转的泵。 所述泵组件还包括第一支撑板，所述可旋转泵中的一个设置在所述第一支撑板上，所述第二支撑板设置有所述可旋转泵中的另一个，并且所述支架轴承支撑件都设置在所述第一支撑板和所述第二支撑 盘子。
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