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公开(公告)号：US06955046B1
公开(公告)日：2005-10-18
申请号：US10290620
申请日：2002-11-07
IPC分类号： F16D39/00 , F16H61/42 , F16H61/435 , F16H61/439 , F16H61/46 , F16H61/47
CPC分类号： F16H61/47 , F16H61/42 , F16H61/435 , F16H61/439
摘要： A system and method for electronically controlling the displacement of hydraulic pumps, IHTs or HSTs. The IHT and HST includes a hydraulic transmission mounted within the casing that includes a rotatable hydraulic pump in fluid communication with a rotatable hydraulic motor and a moveable swash plate cooperable with the rotatable hydraulic pump for controlling the speed and direction of rotation of the rotatable hydraulic motor. The rotation of the hydraulic motor is used to drive an axle shaft. For controlling the positioning of the swash plate, the transaxle further includes a rotatable trunnion arm coupled to the moveable swash plate. The rotatable trunnion arm extends from the casing and is coupled to a control arm. The control arm is further connected to the electronic actuation drive, which is mounted to the casing and is used to electronically control the rotation of the rotatable control arm to change the orientation of the swash plate and to change the speed and direction of rotation of the rotatable hydraulic motor.
摘要翻译： 用于电子控制液压泵，IHT或HST的排量的系统和方法。 IHT和HST包括安装在壳体内的液压变速器，其包括与可旋转液压马达流体连通的可旋转液压泵和与可旋转液压泵配合的可移动斜盘，用于控制可旋转液压马达的转速和旋转方向 。 液压马达的旋转用于驱动车轴。 为了控制斜盘的定位，变速驱动桥还包括联接到可移动斜盘的可旋转的耳轴臂。 可旋转的耳轴臂从壳体延伸并联接到控制臂。 控制臂进一步连接到电子致动驱动器，电子驱动驱动器安装到壳体上，并用于电子地控制可旋转控制臂的旋转以改变旋转斜盘的定向并改变旋转的旋转速度和旋转方向 可旋转液压马达。
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公开(公告)号：US06223531B1
公开(公告)日：2001-05-01
申请号：US09196181
申请日：1998-11-20
申请人： Raymond M. Hauser , Lonnie E. Holder , John D. Schreier , Ronald J. Sporrer , Michael Lee Bennett
发明人： Raymond M. Hauser , Lonnie E. Holder , John D. Schreier , Ronald J. Sporrer , Michael Lee Bennett
IPC分类号： F16D3900
CPC分类号： F16D39/00
摘要： A hydrostatic transmission design incorporating a unique housing shape and configuration, including a vertical split of the two casing elements, which are shaped to conform to the internal components of the transmission. The center section of the transmission has a unique configuration including a trunnion mounted swash plate, means for mounting the center section to the transmission and a motor output shaft mounted below the pump running surface. The transmission also includes an expansion chamber, preferably secured externally to the sump, having a tube mounted therein to transfer hydraulic fluid between the chamber and the sump.
摘要翻译： 包括独特外壳形状和结构的静液压传动设计，包括两个壳体元件的垂直分割，其被成形为符合变速器的内部部件。 变速器的中心部分具有独特的结构，包括耳轴安装的斜盘，用于将中心部分安装到变速器的装置和安装在泵运行表面下方的电动机输出轴。 变速器还包括优选地固定在油底壳的外部的膨胀室，其具有安装在其中的管以在室和油槽之间传送液压流体。
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公开(公告)号：US06691511B1
公开(公告)日：2004-02-17
申请号：US10097703
申请日：2002-03-13
IPC分类号： F16D3102
CPC分类号： B01D36/001 , B01D35/0273 , F16H39/14 , F16H57/0404
摘要： In a hydrostatic transmission or integrated hydrostatic transaxle having a housing forming an oil sump and a hydraulic pump and hydraulic motor mounted in the sump and connected through hydraulic porting, a filter housing or other structure defining an internal volume is mounted adjacent to the check valves for the hydraulic porting. Oil passing into this internal volume is filtered to prevent the introduction of contaminants into the hydraulic porting. A chimney is formed as part of the filter housing and extends upwards therefrom, and is open to the internal volume. The chimney also includes an opening to permit air to escape to the oil sump, to reduce the risk of air being introduced into the hydraulic porting through the check valves.
摘要翻译： 在具有形成油底壳的液压静力传动装置或集成静液压驱动桥中，液压泵和液压马达安装在储槽中并通过液压移动连接，限定内部容积的过滤器壳体或其它结构安装在止回阀附近 液压端口。 进入该内部容积的油被过滤以防止污染物引入到液压端口中。 烟囱形成为过滤器壳体的一部分并从其向上延伸，并且对内部容积开放。 烟囱还包括允许空气逃逸到油底壳的开口，以减少空气通过止回阀引入液压端口的风险。
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公开(公告)号：US07165398B1
公开(公告)日：2007-01-23
申请号：US11278186
申请日：2006-03-31
IPC分类号： F16D31/00
CPC分类号： F16D31/02 , F16H61/435
摘要： A system and method for electronically controlling the displacement of hydraulic pumps, transmissions or transaxles. A moveable swash plate is cooperable with a rotatable hydraulic pump for controlling the output thereof, and a rotatable trunnion arm is coupled to the moveable swash plate. A pair of switches may be mounted in separate locations to detect the position of a control arm used to rotate the trunnion arm. The control arm may be connected to an electronic actuation drive used to electronically control the rotatable control arm.
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公开(公告)号：US07003950B1
公开(公告)日：2006-02-28
申请号：US10924679
申请日：2004-08-24
IPC分类号： F16D39/00
CPC分类号： F16H61/47 , F16H61/42 , F16H61/435 , F16H61/439
摘要： A system and method for electronically controlling the displacement of hydraulic pumps, IHTs or HSTs. The IHT and HST includes a hydraulic transmission mounted within the casing that includes a rotatable hydraulic pump in fluid communication with a rotatable hydraulic motor and a moveable swash plate cooperable with the rotatable hydraulic pump for controlling the speed and direction of rotation of the rotatable hydraulic motor. The rotation of the hydraulic motor is used to drive an axle shaft. For controlling the positioning of the swash plate, the transaxle further includes a rotatable trunnion arm coupled to the moveable swash plate. The rotatable trunnion arm extends from the casing and is coupled to a control arm. The control arm is further connected to the electronic actuation drive, which is mounted to the casing and is used to electronically control the rotation of the rotatable control arm to change the orientation of the swash plate and to change the speed and direction of rotation of the rotatable hydraulic motor.
摘要翻译： 用于电子控制液压泵，IHT或HST的排量的系统和方法。 IHT和HST包括安装在壳体内的液压变速器，其包括与可旋转液压马达流体连通的可旋转液压泵和与可旋转液压泵配合的可移动斜盘，用于控制可旋转液压马达的转速和旋转方向 。 液压马达的旋转用于驱动车轴。 为了控制斜盘的定位，变速驱动桥还包括联接到可移动斜盘的可旋转的耳轴臂。 可旋转的耳轴臂从壳体延伸并联接到控制臂。 控制臂进一步连接到电子致动驱动器，电子驱动驱动器安装到壳体上，并用于电子地控制可旋转控制臂的旋转以改变旋转斜盘的定向并改变旋转的旋转速度和旋转方向 可旋转液压马达。
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公开(公告)号：US06880334B1
公开(公告)日：2005-04-19
申请号：US10723463
申请日：2003-11-26
IPC分类号： B01D35/027 , B01D36/00 , F16H39/14 , F16D31/02
CPC分类号： B01D36/001 , B01D35/0273 , F16H39/14 , F16H57/0404
摘要： In a hydrostatic transmission or integrated hydrostatic transaxle having a housing forming an oil sump and a hydraulic pump and hydraulic motor mounted in the sump and connected through hydraulic porting, a filter housing or other structure defining an internal volume is mounted adjacent to the check valves for the hydraulic porting. Oil passing into this internal volume is filtered to prevent the introduction of contaminants into the hydraulic porting. A himney is formed as part of the filter housing and extends upwards therefrom, and is open to the internal volume. The chimney also includes an opening to permit air to escape to the oil sump, to reduce the risk of air being introduced into the hydraulic porting through the check valves.
摘要翻译： 在具有形成油底壳的液压静力传动装置或集成静液压驱动桥中，液压泵和液压马达安装在储槽中并通过液压移动连接，限定内部容积的过滤器壳体或其它结构安装在止回阀附近 液压端口。 进入该内部容积的油被过滤以防止污染物引入到液压端口中。 烟囱形成为过滤器壳体的一部分并从其向上延伸并且对内部容积开放。 烟囱还包括允许空气逃逸到油底壳的开口，以减少空气通过止回阀引入液压端口的风险。
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公开(公告)号：US06397594B2
公开(公告)日：2002-06-04
申请号：US09754447
申请日：2001-01-03
申请人： Raymond M. Hauser , Lonnie E. Holder , John D. Schreier , Ronald J. Sporrer , Michael Lee Bennett
发明人： Raymond M. Hauser , Lonnie E. Holder , John D. Schreier , Ronald J. Sporrer , Michael Lee Bennett
IPC分类号： F16D3900
CPC分类号： F16D39/00
摘要： A hydrostatic transmission design incorporating a unique housing shape and configuration, including a vertical split of the two casing elements, which are shaped to conform to the internal components of the transmission. The center section of the transmission has a unique configuration including a trunnion mounted swash plate, means for mounting the center section to the transmission and a motor output shaft mounted below the pump running surface. The transmission also includes an expansion chamber, preferably secured externally to the sump, having a tube mounted therein to transfer hydraulic fluid between the chamber and the sump.
摘要翻译： 包括独特外壳形状和结构的静液压传动设计，包括两个壳体元件的垂直分割，其被成形为符合变速器的内部部件。 变速器的中心部分具有独特的结构，包括耳轴安装的斜盘，用于将中心部分安装到变速器的装置和安装在泵运行表面下方的电动机输出轴。 变速器还包括优选地固定在油底壳的外部的膨胀室，其具有安装在其中的管以在室和油槽之间传送液压流体。
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公开(公告)号：US07024853B1
公开(公告)日：2006-04-11
申请号：US10924526
申请日：2004-08-24
IPC分类号： F16D39/00
CPC分类号： F16H61/47 , F16H61/42 , F16H61/435 , F16H61/439
摘要： A system and method for electronically controlling the displacement of hydraulic pumps, IHTs or HSTs. The IHT and HST includes a hydraulic transmission mounted within the casing that includes a rotatable hydraulic pump in fluid communication with a rotatable hydraulic motor and a moveable swash plate cooperable with the rotatable hydraulic pump for controlling the speed and direction of rotation of the rotatable hydraulic motor. The rotation of the hydraulic motor is used to drive an axle shaft. For controlling the positioning of the swash plate, the transaxle further includes a rotatable trunnion arm coupled to the moveable swash plate. The rotatable trunnion arm extends from the casing and is coupled to a control arm. The control arm is further connected to the electronic actuation drive, which is mounted to the casing and is used to electronically control the rotation of the rotatable control arm to change the orientation of the swash plate and to change the speed and direction of rotation of the rotatable hydraulic motor.
摘要翻译： 用于电子控制液压泵，IHT或HST的排量的系统和方法。 IHT和HST包括安装在壳体内的液压变速器，其包括与可旋转液压马达流体连通的可旋转液压泵和与可旋转液压泵配合的可移动斜盘，用于控制可旋转液压马达的转速和旋转方向 。 液压马达的旋转用于驱动车轴。 为了控制斜盘的定位，变速驱动桥还包括联接到可移动斜盘的可旋转的耳轴臂。 可旋转的耳轴臂从壳体延伸并联接到控制臂。 控制臂进一步连接到电子致动驱动器，电子驱动驱动器安装到壳体上，并用于电子地控制可旋转控制臂的旋转以改变旋转斜盘的定向并改变旋转的旋转速度和旋转方向 可旋转液压马达。
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公开(公告)号：US06705840B1
公开(公告)日：2004-03-16
申请号：US10175206
申请日：2002-06-19
IPC分类号： F04B2308
摘要： A dual tandem pump apparatus having a pair of coaxially arranged pump shafts and a separate input shaft that is not coaxial with the pump shafts. Charge pumps may be mounted on end caps secured to the housing or may be driven directly by the input shaft. A coupler or bevel gear arrangement is used inside the pump housing to drive the pump shafts from the input shaft.
摘要翻译： 一种双串联泵装置，具有一对同轴布置的泵轴和与泵轴不同轴的单独的输入轴。 电荷泵可以安装在固定到壳体的端盖上，或者可以由输入轴直接驱动。 在泵壳体内部使用联轴器或锥齿轮装置来驱动泵轴从输入轴。
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公开(公告)号：US07900447B1
公开(公告)日：2011-03-08
申请号：US12184370
申请日：2008-08-01
申请人： Raymond Hauser , Lonnie E. Holder
发明人： Raymond Hauser , Lonnie E. Holder
CPC分类号： B60K8/00 , B60K17/105 , F04B1/148 , F04B1/24 , F04B1/324 , F04B23/00 , F04B23/06 , F04B27/02
摘要： A drive apparatus for a zero turn vehicle or similar application comprising a pair of pumps mounted in a common housing and having coaxial input shafts and an input shaft mounted in the common housing perpendicular to the two pump shafts. A pair of center sections or end caps including hydraulic porting are mounted to opposite ends of the common housing, and each center section has a hydraulic motor mounted thereon external to the common housing.
摘要翻译： 一种用于零转弯车辆或类似应用的驱动装置，包括安装在公共壳体中的一对泵，并具有同轴输入轴和垂直于两个泵轴安装在公共壳体中的输入轴。 一对中心部分或端盖包括液压端口安装在公共壳体的相对端，并且每个中心部分具有安装在公共壳体外部的液压马达。
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