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公开(公告)号：US09938966B2
公开(公告)日：2018-04-10
申请号：US14607126
申请日：2015-01-28
发明人： David Mark Heathcoat, Jr. , Jason Lee Emmette , Roger Paul Gray , Somer Renee Malone , Kirk Ayres Lola , Kerry Todd Brock , Eli Cutshall
CPC分类号： F04B1/20 , F04B1/2085 , F04B1/324 , F04B17/03 , F04B49/12 , F04B2201/12051 , F16D31/02 , F16H61/435
摘要： A zero turn mower vehicle 10 includes left and right hydrostatic transmissions 11a, 11b driving wheels 15a, 15b. The transmissions 11a, 11b each include a swashplate type axial piston hydraulic pump 17 having a swashplate 22. A system 12 and method controls each pump 17. A controller 31 receives input signals and provides output signals to electric motors 33a, 33b to control each swashplate 22. Operator interface input devices 30a, 30b provide inputs to controller 31. Angle sensors 35a, 35b provide additional inputs to controller 31. Displacement amplifiers 36a, 36b amplify displacement of each swashplate 22, and torque amplifiers 34a, 34b amplify torque of electric motors 33a, 33b.
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公开(公告)号：US10167937B2
公开(公告)日：2019-01-01
申请号：US14765686
申请日：2014-02-14
发明人： Michael Tholan Crosby , Matthew Herman Simon , David Mark Heathcoat , Jason Scot Richardson , John Matthew Rector , Raymond E. Collett , Somer Renee Malone
IPC分类号： F16H39/00 , B60K17/00 , F16H47/04 , F16H39/12 , F15B11/028
摘要： A center section/motor sub-assembly for use in a hydrostatic transmission includes a center section having a pump running face for interfacing with a pump, and a motor running face for interfacing with a motor. The center section and the motor are configured for the hydraulic separating forces of the motor to be reacted only into the center section. The center section has two internal passages between pump kidney ports and motor kidney port, and the motor kidney ports are raised in elevation relative to the pump kidney ports. The internal passages run parallel to each other as they rise in elevation. A hydrostatic transmission includes the sub-assembly enclosed by a housing, in combination with a pump and output shaft assembly. For installation, the output shaft assembly is configured as a separate component from the sub-assembly of the center section and the motor.
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公开(公告)号：US20160003336A1
公开(公告)日：2016-01-07
申请号：US14765686
申请日：2014-02-14
发明人： Michael Tholan Crosby , Matthew Herman Simon , David Mark Heathcoat , Jason Scot Richardson , John Matthew Rector , Raymond E. Collett , Somer Renee Malone
IPC分类号： F16H47/04 , F16H39/12 , F15B11/028
CPC分类号： F16H47/04 , B60Y2200/223 , B60Y2304/01 , F15B11/028 , F16H39/12
摘要： A center section/motor sub-assembly for use in a hydrostatic transmission includes a center section having a pump running face for interfacing with a pump, and a motor running face for interfacing with a motor. The center section and the motor are configured for the hydraulic separating forces of the motor to be reacted only into the center section. The center section has two internal passages between pump kidney ports and motor kidney port, and the motor kidney ports are raised in elevation relative to the pump kidney ports. The internal passages run parallel to each other as they rise in elevation. A hydrostatic transmission includes the sub-assembly enclosed by a housing, in combination with a pump and output shaft assembly. For installation, the output shaft assembly is configured as a separate component from the sub-assembly of the center section and the motor.
摘要翻译： 用于静液传动的中心部分/马达子组件包括具有用于与泵接口的泵运行面的中心部分和用于与马达接口的马达运行面。 中心部分和电动机被构造成使电动机的液压分离力只反应到中心部分。 中心部分在泵肾口与马达肾口之间有两条内部通道，电机肾口相对于泵肾口升高。 内部通道在升高时彼此平行。 静液压变速器包括由壳体包围的子组件，与泵和输出轴组件组合。 为了安装，输出轴组件被构造成与中心部分和电动机的子组件分离的部件。
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公开(公告)号：US20150147191A1
公开(公告)日：2015-05-28
申请号：US14607126
申请日：2015-01-28
发明人： David Mark Heathcoat, JR. , Jason Lee Emmette , Roger Paul Gray , Somer Renee Malone , Kirk Ayres Lola , Kerry Todd Brock , Eli Cutshall
CPC分类号： F04B1/20 , F04B1/2085 , F04B1/324 , F04B17/03 , F04B49/12 , F04B2201/12051 , F16D31/02 , F16H61/435
摘要： A zero turn mower vehicle 10 includes left and right hydrostatic transmissions 11a, 11b driving wheels 15a, 15b. The transmissions 11a, 11b each include a swashplate type axial piston hydraulic pump 17 having a swashplate 22. A system 12 and method controls each pump 17. A controller 31 receives input signals and provides output signals to electric motors 33a, 33b to control each swashplate 22. Operator interface input devices 30a, 30b provide inputs to controller 31. Angle sensors 35a, 35b provide additional inputs to controller 31. Displacement amplifiers 36a, 36b amplify displacement of each swashplate 22, and torque amplifiers 34a, 34b amplify torque of electric motors 33a, 33b.
摘要翻译： 零转割机10包括左右静液压传动装置11a，11b驱动轮15a，15b。 变速器11a，11b各自包括具有斜盘22的斜盘式轴向柱塞液压泵17.系统12和方法控制每个泵17.控制器31接收输入信号并向电动机33a，33b提供输出信号以控制每个斜盘 22.操作员接口输入装置30a，30b向控制器31提供输入。角度传感器35a，35b向控制器31提供附加输入。位移放大器36a，36b放大每个斜盘22的位移，并且扭矩放大器34a，34b放大电动机的扭矩 33a，33b。
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