公开(公告)号：US07458911B2

公开(公告)日：2008-12-02

申请号：US11186927

申请日：2005-07-22

申请人： James A. Krisher ,  Kenneth E. Cooper ,  Thomas L. Nahrwold ,  Gordon W. Hunt ,  Ralph W. Baxter, Jr. ,  Randy Sommer

发明人： James A. Krisher ,  Kenneth E. Cooper ,  Thomas L. Nahrwold ,  Gordon W. Hunt ,  Ralph W. Baxter, Jr. ,  Randy Sommer

IPC分类号： F16H48/22

CPC分类号： B60K23/04 ,  B60K17/3462 ,  B60K23/0808

摘要： A drive system designed to use a vehicle's existing hydraulic system to operate a controllable limited slip differential assembly. The limited slip differential assembly may be associated with the front axle, the rear axle, or the driveline between the front and rear axles. The differential assembly may also be used in combination that includes front, rear, or intermediate differential assemblies. The drive system further includes a friction clutch assembly for selectively engaging and disengaging an input member with an output member of the differential assembly, a fluid clutch actuator for selectively frictionally and variably loading the clutch assembly, and a fluid pump that is a common source of pressurized fluid for the fluid clutch actuator and the existing hydraulic system of the motor vehicle other than the fluid clutch actuator of the drive system. The fluid clutch actuator is actuated by fluid pressure generated by the fluid pump.

摘要翻译： 驱动系统设计用于使用车辆现有的液压系统来操作可控制的有限滑差差组件。 限滑差速器组件可以与前轴，后轴或前轴和后轴之间的传动系相关联。 差速组件也可以组合使用，其包括前，后或中间差速器组件。 驱动系统还包括摩擦离合器组件，用于选择性地将输入构件与差速器组件的输出构件接合和分离，用于选择性地摩擦和可变地装载离合器组件的流体离合器致动器以及作为 用于流体离合器致动器的加压流体和除驱动系统的流体离合器致动器之外的机动车辆的现有液压系统。 流体离合器致动器由流体泵产生的流体压力致动。

公开(公告)号：US07438542B2

公开(公告)日：2008-10-21

申请号：US11305155

申请日：2005-12-19

申请人： Ralph W. Baxter, Jr. ,  Randy Sommer ,  Stephen Garlick

发明人： Ralph W. Baxter, Jr. ,  Randy Sommer ,  Stephen Garlick

IPC分类号： F01C19/08 ,  F04B49/00

CPC分类号： F04C14/265

摘要： A fluid pump assembly comprises a pump housing and a fluid pump disposed within the pump housing. The fluid pump has axially opposite first and second side faces and includes cooperating impeller and rotor members. The fluid pump assembly further comprises inlet and outlet ports disposed adjacent to the first side face, a pressure chamber formed within the pump housing adjacent to the second side face, and an end plate disposed within the pressure chamber and movable relative to the pump between a first position and a second position. The end plate has axially opposite inner and outer end surfaces oriented so that the inner end surface faces the fluid pump, while the outer end surface faces away from the pump. An area of the outer end surface of the end plate is greater than the area of the inner end surface thereof.

摘要翻译： 流体泵组件包括泵壳体和设置在泵壳体内的流体泵。 流体泵具有轴向相对的第一和第二侧面，并且包括配合的叶轮和转子构件。 所述流体泵组件还包括邻近所述第一侧面设置的入口端口和出口端口，邻近所述第二侧面形成在所述泵壳体内的压力室，以及设置在所述压力室内并且可相对于所述泵 第一职位和第二职位。 端板具有轴向相对的内端面和外端面，其定向成使得内端表面面向流体泵，而外端表面远离泵。 端板的外端面的面积大于其内端面的面积。

公开(公告)号：US06951522B2

公开(公告)日：2005-10-04

申请号：US10348755

申请日：2003-01-23

申请人： Ralph W. Baxter, Jr. ,  Randy L. Sommer ,  William G. Hunt

发明人： Ralph W. Baxter, Jr. ,  Randy L. Sommer ,  William G. Hunt

IPC分类号： F16H48/22 ,  F16H48/06 ,  F16H48/08 ,  F16H48/10 ,  F16H48/20 ,  F16H48/30 ,  F16H48/42 ,  F16H37/08

CPC分类号： F16H48/30 ,  F16H48/08 ,  F16H48/10 ,  F16H48/22 ,  F16H2048/106 ,  F16H2048/204 ,  F16H2048/423

摘要： An active differential assembly provides speed control of an associated output shaft. A differential case is rotatably mounted within a housing to drive a pair of output shafts extending from the differential case in opposite directions for distributing driving force from the engine to wheels. A pair of planetary gear sets are one each disposed about a corresponding output shaft and includes a planetary ring gear, a sun gear fixed to the output shaft, and a planetary carrier rotatably supporting a plurality of planet gears operatively coupling the planetary ring gear with the sun gear. A brake mechanism is disposed between the planetary ring gear and the housing for selectively braking the planetary ring gear to thereby cause an associated increase in speed of the axle shaft.

摘要翻译： 主动差速器组件提供相关输出轴的速度控制。 差速器壳体可旋转地安装在壳体内以驱动从差速器壳体沿相反方向延伸的一对输出轴，用于分配从发动机到车轮的驱动力。 一对行星齿轮组是围绕相应的输出轴设置的行星齿轮组，包括行星齿圈，固定在输出轴上的太阳齿轮和可转动地支撑多个行星齿轮的行星架，所述行星齿轮将行星齿圈与 太阳齿轮 制动机构设置在行星齿圈和壳体之间，用于选择性地制动行星齿圈，从而引起车轴的相应速度增加。

公开(公告)号：US5702319A

公开(公告)日：1997-12-30

申请号：US543173

申请日：1995-10-13

申请人： Ralph W. Baxter, Jr.

发明人： Ralph W. Baxter, Jr.

IPC分类号： B60K17/346 ,  F16H48/10 ,  F16H48/22 ,  F16H48/27 ,  F16H57/04 ,  F16H48/30

CPC分类号： F16H57/0434 ,  B60K17/3465 ,  F16H48/10 ,  F16H48/22 ,  F16H48/27

摘要： A hydromechanical system for limiting differentiation between a first rotating member and a second rotating member in a drivetrain subassembly. The hydromechanical system comprises a clutch assembly for selectively coupling the first rotating member to rotate with the second rotating member and a hydraulically actuated piston assembly for applying force on the clutch assembly to actuate the clutch assembly in response to hydraulic pressure such that the first rotatable member is selectively coupled to rotate with the second rotatable member. A clutch actuating pump, including a reservoir, is provided for supplying hydraulic pressure to the piston assembly to actuate the piston assembly, wherein the clutch actuating pump communicates hydraulic fluid under pressure to the piston assembly in response to differential rotation between the first and second rotating members. A second pump is also provided in fluid communication with the reservoir of the clutch actuating pump for supplying hydraulic fluid to the reservoir of the clutch actuating pump. The hydromechanical system is well suited for use in a four-wheel drive transfer case to control differentiation between the front and rear output shafts thereof.

摘要翻译： 一种用于限制传动系组件中的第一旋转构件和第二旋转构件之间的微分的液压机械系统。 液压机械系统包括用于选择性地联接第一旋转构件以与第二旋转构件一起旋转的离合器组件和用于在离合器组件上施加力以响应于液压来致动离合器组件的液压致动活塞组件，使得第一可旋转构件 被选择性地联接以与第二可旋转构件一起旋转。 提供了包括储存器的离合器致动泵，用于向活塞组件供应液压以致动活塞组件，其中离合器致动泵响应于第一和第二旋转之间的差动旋转将压力下的液压流体连通到活塞组件 会员 还提供第二泵与离合器致动泵的储存器流体连通，以将液压流体供应到离合器致动泵的储存器。 液压机械系统非常适用于四轮驱动传送箱，以控制其前后输出轴之间的差异。

公开(公告)号：US06578657B2

公开(公告)日：2003-06-17

申请号：US09879218

申请日：2001-06-13

申请人： Ralph W. Baxter, Jr.

发明人： Ralph W. Baxter, Jr.

IPC分类号： B60K1722

CPC分类号： B60K17/22 ,  F16D3/223 ,  F16D2300/06

摘要： A driveline system for a motor vehicle includes at least two propeller shafts and a driveline angle reducer disposed therebetween for drivingly interconnecting the propeller shafts at a fixed operating angle. The driveline angle reducer includes a housing rotatably supporting therewithin a fixed-angle constant-velocity joint. The housing of the driveline angle reducer is mounted to a vehicle body and contains a supply of a lubricant for lubrication of the constant-velocity joint. The driveline angle reducer allows propeller shaft operating angles to be in a range where conventional Cardan joints can be used in the driveline systems without causing excessive cyclic vibrations.

公开(公告)号：US5996758A

公开(公告)日：1999-12-07

申请号：US5179

申请日：1998-01-09

申请人： Ralph W. Baxter, Jr.

发明人： Ralph W. Baxter, Jr.

IPC分类号： F16D28/00 ,  F16D27/00 ,  F16D41/08 ,  F16D41/16 ,  F16D27/01

CPC分类号： F16D27/004 ,  F16D41/16

摘要： An electromagnetically controlled bi-directional one-way clutch apparatus which permits relative overrun or differentiation between a front torque transmitting shaft and a rear torque transmitting shaft up to a predetermined level and, if the amount of relative overrun or differentiation between the front torque transmitting shaft and the rear torque transmitting shaft exceeds this predetermined level, locks the front torque transmitting shaft and the rear torque transmitting shaft together such that the front torque transmitting shaft and the rear torque transmitting shaft rotate at substantially the same rotational speed. This electromagnetically controlled bi-directional one-way clutch apparatus is particularly useful for use in an "on demand" four-wheel drive system for a motor vehicle having an engine and a front wheel drive transaxle assembly where the electromagnetically controlled bi-directional one-way clutch apparatus acts as a torque transmitting device which allows relative overrun or differentiation between the front wheels and the rear wheels of the motor vehicle up to a predetermined level and, if the amount of relative overrun or differentiation between the front wheels and the rear wheels of the motor vehicle exceeds this predetermined level, locks the front wheels and the rear wheels of the motor vehicle together such that the front wheels and the rear wheels of the motor vehicle rotates at substantially the same rotational speed.

摘要翻译： 一种电磁控制双向单向离合器装置，其允许前转矩传递轴和后转矩传递轴之间的相对超限或微分直到预定水平，并且如果前转矩传递轴之间的相对超限或微分量 后转矩传递轴超过该预定值，将前转矩传递轴和后转矩传递轴锁定在一起，使得前转矩传递轴和后转矩传递轴以大致相同的转速旋转。 该电磁控制双向单向离合器装置特别适用于具有发动机和前轮驱动驱动桥组件的机动车辆的“按需”四轮驱动系统，其中电磁控制的双向单向离合器装置 单向离合器装置用作扭矩传递装置，其允许机动车辆的前轮和后轮之间的相对超限或微分直到预定水平，并且如果前轮和后轮之间的相对超限或微分量 机动车辆的前轮和后轮以大致相同的转速旋转，将机动车辆的前轮和后轮锁定在一起。

公开(公告)号：US5954612A

公开(公告)日：1999-09-21

申请号：US912632

申请日：1997-08-18

申请人： Ralph W. Baxter, Jr.

发明人： Ralph W. Baxter, Jr.

IPC分类号： B60K23/08 ,  B60K17/344 ,  B60K17/346 ,  F16H37/08

CPC分类号： B60K17/3467

摘要： A multi-speed offset transfer case for a four (4) wheel drive motor vehicle having a plural stage torque transfer and speed changing mechanism which provides four (4) or more output speeds for each input speed. A modified planetary gear assembly forms the first stage and provides selectively either speed reduction or an output speed which is equal to the input speed. This planetary gear assembly receives torque from an input shaft and includes a sun gear in driven engagement with the input shaft, a planetary gear carrier which supports a plurality of planet gears and a ring gear. The planetary gear carrier includes an output sleeve, which is preferably an integral part of the planetary gear carrier. An actuator for the planetary gear assembly includes a first shift collar which is capable of grounding the ring gear so that it will not rotate, thereby causing the planetary gear carrier to be driven at a lower angular speed than the input shaft, and a second shift collar which locks the planetary gear carrier to the ring gear so that both rotate at the same angular speed as the input shaft. The second stage includes two (2) or more chain drives which are engaged alternately, providing two (2) or more output speeds for each input speed. This makes it possible to obtain four (4) or more output speeds ranging from a deep reduction to overdrive.

摘要翻译： 一种用于四（4）轮驱动机动车辆的多速偏移转移箱，具有多级转矩传递和变速机构，其为每个输入速度提供四（4）个或更多个输出速度。 改进的行星齿轮组件形成第一级并且选择性地提供等于输入速度的减速或输出速度。 该行星齿轮组件从输入轴接收扭矩并且包括与输入轴驱动接合的太阳齿轮，支撑多个行星齿轮的行星齿轮架和环形齿轮。 行星齿轮架包括输出套筒，其优选地是行星齿轮架的一体部分。 用于行星齿轮组件的致动器包括第一换档轴环，其能够使齿圈接地，使得其不旋转，从而使得行星齿轮架以比输入轴更低的角速度被驱动，并且第二偏移 将行星齿轮架锁定到齿圈上，使得它们以与输入轴相同的角速度旋转。 第二级包括交替啮合的两（2）个或更多的链条驱动器，为每个输入速度提供两（2）个或更多的输出速度。 这使得可以获得四（4）个或更多的输出速度，从深度还原到超速。

公开(公告)号：US5709135A

公开(公告)日：1998-01-20

申请号：US627267

申请日：1996-04-04

申请人： Ralph W. Baxter

发明人： Ralph W. Baxter

IPC分类号： B60K17/16 ,  B60K23/04 ,  F16H48/42 ,  F16H57/04 ,  F16H57/02

CPC分类号： B60K23/04 ,  B60K17/20 ,  F16H57/0421 ,  F16H57/0469 ,  F16H57/0483 ,  F16C2361/61 ,  F16H2048/423 ,  Y10T74/2188

摘要： A clam-shell shaped differential housing including a lower portion for receiving the input shaft and the differential gearing, and an upper portion for enclosing the same within the differential housing. The clam-shell shaped differential housing allows for easy insertion and adjustment of the differential components. In addition, a lubricant reservoir may be formed in the area of the input shaft and pinion bearings to retain the majority of differential lubricant. The clam-shell shaped housing allows a pump to be easily positioned in the reservoir between the inner and outer pinion bearings to pump the lubricant from the reservoir to the differential components through channels formed in the housing. In this manner, the sump of the differential housing remains substantially dry. The pump may also be used to provide hydraulic pressure to a limited slip clutch assembly for the actuation thereof in conjunction with a valve control assembly.

摘要翻译： 蛤壳型差速器壳体包括用于接收输入轴和差速齿轮的下部，以及用于将其封装在差速器壳体内的上部。 蛤壳式差速器壳体允许容易地插入和调整差速部件。 此外，可在输入轴和小齿轮轴承的区域中形成润滑剂储存器，以保持大部分差动润滑剂。 蛤壳形壳体允许泵容易地定位在内小齿轮和外小齿轮轴承之间的储存器中，以通过形成在壳体中的通道将润滑剂从储存器泵送到差速部件。 以这种方式，差速器壳体的贮槽基本上保持干燥。 泵还可以用于向限制的滑动离合器组件提供液压以用于与阀控制组件一起致动。

公开(公告)号：US5613587A

公开(公告)日：1997-03-25

申请号：US400708

申请日：1995-03-08

申请人： Ralph W. Baxter, Jr.

发明人： Ralph W. Baxter, Jr.

IPC分类号： B60K17/344 ,  B60K23/08 ,  F16D23/04 ,  F16D13/54

CPC分类号： F16D23/04 ,  B60K17/344 ,  B60K23/08 ,  F16D2023/0643 ,  Y10T74/19074 ,  Y10T74/19102

摘要： A friction plate synchronizer/brake apparatus for use in a drivetrain subassembly such as a four-wheel drive transfer case. The apparatus provides a relatively small and lightweight apparatus that may be used to facilitate transfer case range shift operations by smoothly eliminating residual rotation of the transfer case input shaft caused by torque converter drag. Elimination of the torque converter drag allows the transfer case output drive shaft to be coupled to the transfer case input shaft or to the associated planetary gear assembly without excessive noise, vibration, or wear on the transfer case components. The apparatus also provides a relatively small and lightweight apparatus to be used in a four-wheel drive transfer case to facilitate smooth "on the fly" shifting between two-wheel and four-wheel drive modes of operation. The apparatus synchronizes the rotational speeds of a transfer case drive shaft and the four-wheel drive sprocket mounted about the drive shaft, allowing the direct engagement of these components without excessive noise, vibration and wear on the associated components.

摘要翻译： 用于诸如四轮驱动传送箱的传动系组件中的摩擦板同步器/制动装置。 该装置提供了一种相对较小且轻便的装置，其可以用于通过平滑地消除由变矩器拖动引起的传送箱输入轴的残余旋转来促进传送箱范围换档操作。 消除变矩器拖曳允许转移箱输出驱动轴联接到转移箱输入轴或相关联的行星齿轮组件，而不会在转移箱部件上产生过多的噪音，振动或磨损。 该装置还提供了一种相对较小和轻便的装置，用于四轮驱动传送箱，以便于在两轮和四轮驱动操作模式之间平稳地“飞行”移动。 该装置使传送箱驱动轴和围绕驱动轴安装的四轮驱动链轮的转速同步，允许这些部件的直接接合，而不会对相关部件产生过多的噪音，振动和磨损。

公开(公告)号：US5334116A

公开(公告)日：1994-08-02

申请号：US999311

申请日：1992-12-31

申请人： Ralph W. Baxter, Jr.

发明人： Ralph W. Baxter, Jr.

IPC分类号： B60K17/348 ,  B60K17/344 ,  B60K17/346 ,  F16H37/06

CPC分类号： B60K17/344

摘要： A transfer case for a vehicle having a pair of front wheels and a pair of rear wheels and capable of all-wheel or two wheel drive has an input shaft connected to a carrier of a planetary gear differential having a ring gear connected to a first output shaft for driving a first pair of wheels and a sun gear connected to a second output shaft for driving a second pair of wheels. A clutch is provided on the planetary gear differential for selectively locking the first and second output shafts together for concurrent rotation when the planetary gear differential clutch is engaged, thereby providing all-wheel drive. A brake is provided for selectively preventing the second output shaft from rotating so that when the second output shaft brake is applied and the planetary gear differential clutch is disengaged, the first output shaft will rotate at an overdrive gear ratio relative to the rotational speed of the input shaft, thereby providing two-wheel drive at an overdrive gear ratio. Particularly, this overdrive ratio is in the range from about 0.3:1 to about 1.0:1.

摘要翻译： 具有一对前轮和一对后轮并且能够进行全轮驱动或两轮驱动的车辆的分动箱具有连接到行星齿轮差速器的行星架的输入轴，该行星齿轮差速器具有连接到第一输出 用于驱动第一对车轮的轴和连接到用于驱动第二对车轮的第二输出轴的太阳齿轮。 离合器设置在行星齿轮差速器上，用于当行星齿轮差速器离合器接合时选择性地将第一和第二输出轴锁定在一起用于同时旋转，从而提供全轮驱动。 提供制动器，用于选择性地防止第二输出轴旋转，使得当施加第二输出轴制动器并且行星齿轮差速器离合器被分离时，第一输出轴将以超速传动比相对于 输入轴，从而以超速传动比提供两轮驱动。 特别地，该过驱动比在约0.3:1至约1.0:1的范围内。