公开(公告)号：US06481524B1

公开(公告)日：2002-11-19

申请号：US09635477

申请日：2000-08-08

申请人： Yoshimitsu Ishida ,  Tadashi Hanaoka

发明人： Yoshimitsu Ishida ,  Tadashi Hanaoka

IPC分类号： B60K17348

CPC分类号： B62D9/00 ,  B62D15/02

摘要： A four-wheel vehicle capable of permitting a driver to perform a turning operation with a good operability. One of front and rear pairs of left and right wheels, to which a running torque produced by a driving source is not transmitted, are rotated on respective axes perpendicular to the ground. The one pair of left and right wheels are rotated from straight traveling positions taken when the vehicle is running to angular positions along tangential directions of an arc passing the axes perpendicular to the ground on a neighborhood of a center point of a rotating axle for running the vehicle of the other of front and rear pairs of left and right wheels. As a left or right turn instruction is generated in response to a manipulation, motors are applied with a gradually increasing driving voltage, such that the motors apply rotating torques to the one pair of left and right wheels to turn the vehicle body on the neighborhood of the center point of rotating axles for running the vehicle of the other pairs of left and right wheels.

摘要翻译： 一种四轮车，其能够允许驾驶员以良好的可操作性执行车削操作。 由驱动源产生的运行扭矩未被传递到的左右车轮的左右一对中的一个在垂直于地面的相应轴上旋转。 一对左右轮从车辆行驶时所采用的直线行进位置旋转，沿着通过垂直于地面的轴的圆弧的切线方向转动到旋转轴的中心点附近的角位置， 前后左右两对车轮的车辆。 由于响应于操作而产生左转或右转指令，电动机被施加逐渐增加的驱动电压，使得电动机将旋转扭矩施加到一对左右轮以使车身在附近转动 用于使另一对左右轮的车辆行驶的旋转轴的中心点。

公开(公告)号：US06464056B1

公开(公告)日：2002-10-15

申请号：US09632548

申请日：2000-08-04

申请人： Jeffrey Lowell ,  Brian D. Macy ,  Joseph Treiber

发明人： Jeffrey Lowell ,  Brian D. Macy ,  Joseph Treiber

IPC分类号： B60K17348

CPC分类号： F16H48/22 ,  F16H48/08 ,  F16H48/30 ,  F16H48/32 ,  F16H48/34 ,  F16H2048/204 ,  F16H2200/2071

摘要： A hydraulic coupling for use in a vehicle drivetrain includes a housing and a pair of rotary members projecting therefrom. The hydraulic coupling also includes a hydraulic circuit defining a low-pressure portion wherein the hydraulic fluid is at a first, lower pressure and a high-pressure portion wherein the hydraulic fluid is in a second, elevated pressure relative to the first pressure. A hydraulic pump is operatively supported within the housing and located within the path of the hydraulic circuit between the low pressure and high-pressure portions. The hydraulic pump is operable to pump hydraulic fluid from the low-pressure portion to the high-pressure portion of the hydraulic circuit. In addition, a clutch is supported within the housing and located within the high-pressure portion of the hydraulic circuit. The clutch is actuable by hydraulic fluid that is pumped by the hydraulic pump at the second, elevated pressure to couple the pair of rotary members together. Furthermore, the hydraulic coupling of the present invention includes a control valve that is operable in response to a signal from a controller to selectively control the actuation of the clutch independent of the fluid pressure in the high-pressure portion of the hydraulic circuit.

摘要翻译： 用于车辆传动系统的液压联轴器包括壳体和从其突出的一对旋转构件。 液压联接器还包括限定低压部分的液压回路，其中液压流体处于第一低压部分和高压部分，其中液压流体相对于第一压力处于第二升高的压力。 液压泵可操作地支撑在壳体内并且位于低压部分和高压部分之间的液压回路的路径内。 液压泵可操作以将液压流体从低压部分泵送到液压回路的高压部分。 此外，离合器支撑在壳体内并且位于液压回路的高压部分内。 离合器由液压泵在第二高压下泵送的液压流体致动，以将该对旋转构件联接在一起。 此外，本发明的液压联轴器包括控制阀，该控制阀响应于来自控制器的信号而可操作以选择性地控制离合器的致动而与液压回路的高压部分中的流体压力无关。

公开(公告)号：US06668961B2

公开(公告)日：2003-12-30

申请号：US10313522

申请日：2002-12-06

申请人： Thomas C. Bowen ,  Fred C. Porter

发明人： Thomas C. Bowen ,  Fred C. Porter

IPC分类号： B60K17348

CPC分类号： B60K17/346 ,  B60K17/04 ,  B60K17/16 ,  B60K17/3462 ,  B60K17/3465 ,  B60K23/0808

摘要： A full-time all-wheel drive system for a motor vehicle equipped with a transversely mounted engine and transaxle includes a power take-off unit. The power take-off unit includes an interaxle differential which drives a first power path connected to the front wheels and a second power path connected to the rear wheels. The first power path includes a planetary final drive unit which drives a double planetary front differential unit that is interconnected to a pair of front axleshafts. The second power path includes a helical gearset and a bevel gearset which deliver power to a rear propshaft.

公开(公告)号：US06513615B2

公开(公告)日：2003-02-04

申请号：US10023306

申请日：2001-12-17

申请人： Thomas C. Bowen ,  Fred C. Porter

发明人： Thomas C. Bowen ,  Fred C. Porter

IPC分类号： B60K17348

CPC分类号： B60K17/346 ,  B60K17/04 ,  B60K17/16 ,  B60K17/3462 ,  B60K17/3465 ,  B60K23/0808

摘要： A full-time all-wheel drive system for a motor vehicle equipped with a transversely mounted engine and transaxle includes a power take-off unit. The power take-off unit includes an interaxle differential which drives a first power path connected to the front wheels and a second power path connected to the rear wheels. The first power path includes a planetary final drive unit which drives a double planetary front differential unit that is interconnected to a pair of front axleshafts. The second power path includes a helical gearset and a bevel gearset which deliver power to a rear propshaft.

公开(公告)号：US06587774B2

公开(公告)日：2003-07-01

申请号：US09753376

申请日：2001-01-02

申请人： Ulrich Hessmert ,  Jost Brachert ,  Thomas Sauter ,  Helmut Wandel ,  Norbert Polzin

发明人： Ulrich Hessmert ,  Jost Brachert ,  Thomas Sauter ,  Helmut Wandel ,  Norbert Polzin

IPC分类号： B60K17348

CPC分类号： B60T8/1725 ,  B60T2240/03 ,  B60T2270/14

摘要： A method and a system for operating a brake system of a motor vehicle having traction control are described. The brake system contains sensors which are assigned to the individual vehicle wheels and with which a quantity representing at least the driving and/or braking forces acting between the road surface and the vehicle wheel is detected for the respective vehicle wheel. For operation of the brake system having traction control, pressure quantities which describe the brake pressure established for the respective vehicle wheel are analyzed. The pressure quantities are determined as a function of the quantities detected by the sensors.

摘要翻译： 描述了一种用于操作具有牵引力控制的机动车辆的制动系统的方法和系统。 制动系统包含被分配给各个车轮的传感器，并且针对相应的车轮检测至少表示在路面和车轮之间作用的驾驶和/或制动力的量。 对于具有牵引力控制的制动系统的操作，分析描述为各车轮设定的制动压力的压力量。 压力量是根据传感器检测到的量的函数确定的。

公开(公告)号：US06533095B2

公开(公告)日：2003-03-18

申请号：US10082763

申请日：2002-02-25

申请人： Sankar K. Mohan ,  Timothy M. Burns ,  Fred C. Porter

发明人： Sankar K. Mohan ,  Timothy M. Burns ,  Fred C. Porter

IPC分类号： B60K17348

CPC分类号： F16D43/284 ,  B60K17/35 ,  B60K23/08 ,  F16D25/0638 ,  F16D25/14 ,  F16D48/02 ,  F16D48/04 ,  F16D2048/0248 ,  F16D2500/1024 ,  F16D2500/10412 ,  F16D2500/30406 ,  F16D2500/30415 ,  F16D2500/30426 ,  F16D2500/3056 ,  F16D2500/70217 ,  F16D2500/70404 ,  F16D2500/70406

摘要： A hydraulic coupling for use in an all wheel drive system, utilized in association with a front wheel drive transaxle, including a multi-plate clutch assembly operably connecting two relatively rotatable members and an actuator assembly for actuating the clutch assembly in response to speed differentiation between the two rotary members. The actuator assembly includes a hydraulic pump, a piston disposed in a piston chamber, and a fluid distribution system including a first flow path for supplying hydraulic fluid from a sump to the hydraulic pump and a second flow path for supplying hydraulic fluid from the hydraulic pump to the piston chamber. Hydraulic pressure in the piston chamber controls the magnitude of the clutch engagement force exerted by the piston on the clutch assembly. A control valve assembly is located in the piston chamber, in close proximity to the clutch pack where a majority of heat is generated.

公开(公告)号：US06725989B1

公开(公告)日：2004-04-27

申请号：US10128554

申请日：2002-04-24

申请人： James A. Krisher ,  John Allen Grogg

发明人： James A. Krisher ,  John Allen Grogg

IPC分类号： B60K17348

CPC分类号： F16D25/14 ,  B60K17/35 ,  B60K23/0808 ,  F16D25/0638 ,  F16D43/284 ,  F16D48/02 ,  F16D48/066 ,  F16D2500/1026 ,  F16D2500/10431 ,  F16D2500/1045 ,  F16D2500/70211 ,  F16D2500/70235 ,  F16D2500/70406 ,  F16D2500/70418

摘要： A hydraulically actuated torque-coupling device is provided for selectively actuating a secondary drive axle of an All-Wheel Drive motor vehicle when wheel slippage occurs with a primary axle. The torque-coupling device comprises a housing, an input shaft and an output shaft both rotatably supported within the housing, a selectively engageable friction clutch assembly for operatively coupling the input shaft to the output shaft, and hydraulic clutch actuator. The hydraulic actuator includes a hydraulic pump located within the housing and adapted to generate a hydraulic pressure to frictionally load the friction clutch assembly, and a variable pressure relief valve assembly fluidly communicating with the hydraulic pump to selectively control the hydraulic pressure generated by the pump. The variable pressure relief valve assembly includes an electro-magnetic actuator for selectively varying a release pressure of the pressure relief valve assembly based on a magnitude of an electric current applied thereto.

摘要翻译： 提供一种液压致动的扭矩耦合装置，用于当主轴发生车轮打滑时，选择性地致动全轮驱动机动车辆的次驱动轴。 扭矩耦合装置包括壳体，输入轴和可转动地支撑在壳体内的输出轴，可选择地接合的摩擦离合器组件，用于将输入轴可操作地联接到输出轴和液压离合器致动器。 液压致动器包括位于壳体内并适于产生摩擦力地装载摩擦离合器组件的液压泵和与液压泵流体连通的可变减压阀组件，以选择性地控制由泵产生的液压。 可变减压阀组件包括电磁致动器，用于基于施加到其上的电流的大小来选择性地改变泄压阀组件的释放压力。

公开(公告)号：US06386348B1

公开(公告)日：2002-05-14

申请号：US09722308

申请日：2000-11-28

申请人： Rikiya Kunii

发明人： Rikiya Kunii

IPC分类号： B60K17348

CPC分类号： B60K17/3505 ,  B60K17/26

摘要： A multiple plate clutch 11 is provided between a drive shaft 5 continuously extending to front wheels which are main wheels and a driven shaft continuously extending to rear wheels. which are sub-drive wheels for distributing a part of the torque on the front wheels to the rear wheels. A tow-way clutch mechanism in which the drive shaft 5 is connected to a single hydraulic pump 26 via a clutch outer 17 and a sleeve 31 locks when the rotation speed of the drive shaft 5 exceeds the rotation speed of the driven shaft 6 beyond a predetermined rate to thereby drive the hydraulic pump 26 so as to put the vehicle in a four-wheel drive condition, irrespective of the straight-ahead or straight-backward running operation of the vehicle, i.e., irrespective of the rotating direction of the drive shaft 5. Since only a minute torque is applied to the two-way clutch mechanism to drive the hydraulic pump 26, the torque transmission capacity of the two-way clutch 32 can be decreased, whereby the miniaturization and cost reduction of the device can be attempted at being attained.

摘要翻译： 多片离合器11设置在连续延伸到作为主轮的前轮的驱动轴5和连续延伸到后轮的从动轴之间。 其是用于将前轮上的扭矩的一部分分配到后轮的副驱动轮。 当驱动轴5的转速超过从动轴6的旋转速度超过一个时，驱动轴5经由离合器外部17连接到单个液压泵26并且套筒31锁定的牵引离合器机构 从而驱动液压泵26，以使车辆处于四轮驱动状态，而不管车辆的直行或直行运行操作，即与驱动轴的旋转方向无关 由于向双向离合器机构施加仅仅一分钟的扭矩以驱动液压泵26，所以可以减小双向离合器32的扭矩传递能力，从而可以尝试该装置的小型化和降低成本 在获得。

公开(公告)号：US06386308B1

公开(公告)日：2002-05-14

申请号：US09016890

申请日：1998-02-02

申请人： Yousuke Takahira ,  Hiroto Nishikata

发明人： Yousuke Takahira ,  Hiroto Nishikata

IPC分类号： B60K17348

CPC分类号： B60T8/175 ,  B60K23/0808 ,  B60T8/4809 ,  B60T2270/208 ,  F16H2048/204

摘要： An apparatus for controlling a drive force produced between a road surface and each of two drive wheels of a motor vehicle having a differential disposed between the drive wheels and a drive power source and connecting the drive wheels in a differential manner, and two brakes for braking the respective drive wheels, independently of each other, the apparatus including two wheel speed sensors for detecting the speeds of the respective drive wheels, and a brake control device responsive to the outputs of the sensors, for activating one of the two brakes which corresponds to one of the drive wheels which has a smaller critical value of the drive force with respect to the road surface, to thereby apply a braking torque to the one drive wheel for increasing an apparent value of the drive force of that one drive wheel, in order to increase the actual value of the drive force of the other drive wheel which has a larger critical value of the drive force.

摘要翻译： 一种用于控制在路面与机动车辆的两个驱动轮中的每一个之间产生的驱动力的装置，其具有设置在驱动轮和驱动动力源之间的差速器，并且以差速方式连接驱动轮，以及两个用于制动的制动器 相应的驱动轮彼此独立地包括用于检测各个驱动轮的速度的两个车轮速度传感器，以及响应于传感器的输出的制动控制装置，用于激活两个制动器中的一个对应于 驱动轮之一相对于路面具有较小的驱动力的临界值，从而按照顺序对一个驱动轮施加制动转矩，以增加该驱动轮的驱动力的表观值 以增加具有较大的驱动力临界值的另一驱动轮的驱动力的实际值。

公开(公告)号：US06378682B1

公开(公告)日：2002-04-30

申请号：US09711787

申请日：2000-11-13

申请人： Sankar K. Mohan ,  Timothy M. Burns ,  Fred C. Porter

发明人： Sankar K. Mohan ,  Timothy M. Burns ,  Fred C. Porter

IPC分类号： B60K17348

CPC分类号： F16D43/284 ,  B60K17/35 ,  B60K23/08 ,  F16D25/0638 ,  F16D25/14 ,  F16D48/02 ,  F16D48/04 ,  F16D2048/0248 ,  F16D2500/1024 ,  F16D2500/10412 ,  F16D2500/30406 ,  F16D2500/30415 ,  F16D2500/30426 ,  F16D2500/3056 ,  F16D2500/70217 ,  F16D2500/70404 ,  F16D2500/70406

摘要： A hydraulic coupling for use in an all wheel drive system, utilized in association with a front wheel drive transaxle, including a multi-plate clutch assembly operably connecting two relatively rotatable members and an actuator assembly for actuating the clutch assembly in response to speed differentiation between the two rotary members. The actuator assembly includes a hydraulic pump, a piston disposed in a piston chamber, and a fluid distribution system including a first flow path for supplying hydraulic fluid from a sump to the hydraulic pump and a second flow path for supplying hydraulic fluid from the hydraulic pump to the piston chamber. Hydraulic pressure in the piston chamber controls the magnitude of the clutch engagement force exerted by the piston on the clutch assembly. A control valve assembly is located in the piston chamber, in close proximity to the clutch pack where a majority of heat is generated.

摘要翻译： 一种用于全轮驱动系统的液压联轴器，其与前轮驱动驱动桥相关联地使用，其包括可操作地连接两个相对旋转的构件的多板离合器组件和用于响应于离合器组件之间的速度差异来致动离合器组件的致动器组件 两个旋转构件。 致动器组件包括液压泵，设置在活塞室中的活塞和流体分配系统，该流体分配系统包括用于从油底壳向液压泵供应液压流体的第一流路和用于从液压泵供应液压流体的第二流路 到活塞室。 活塞室中的液压控制由活塞施加在离合器组件上的离合器接合力的大小。 控制阀组件位于活塞室中，紧邻离合器组件，其中产生大部分热量。