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1. 发明授权

US5275253A Part-time transfer case with traction control 失效
标题翻译：带牵引力控制的兼职转运箱
公开(公告)号：US5275253A
公开(公告)日：1994-01-04
申请号：US27956
申请日：1993-03-08
申请人： David Sperduti , Randolph C. Williams , James S. Brissenden , Randy W. Adler
发明人： David Sperduti , Randolph C. Williams , James S. Brissenden , Randy W. Adler
IPC分类号： B60K17/346 , B60K23/08 , B60K28/16 , B60K17/34 , B60K17/344
CPC分类号： B60K17/3465 , B60K23/08 , B60K28/165
摘要： The present invention provides a motor vehicle traction control system for providing on-demand four-wheel drive under certain tractive and operational conditions. The present invention is operable for disabling the on-demand four-wheel drive feature upon the vehicle operator subsequently shifting into the four-wheel drive mode.
摘要翻译：本发明提供一种用于在某些牵引和操作条件下提供按需四轮驱动的机动车牵引力控制系统。本发明可操作用于在车辆操作员随后转换到四轮驱动模式时禁用按需四轮驱动特征。

2. 发明授权

US5275252A Part-time transfer case with traction control 失效
标题翻译：带牵引力控制的兼职转运箱
公开(公告)号：US5275252A
公开(公告)日：1994-01-04
申请号：US27702
申请日：1993-03-08
申请人： David Sperduti , Randolph C. Williams , James S. Brissenden , Randy W. Adler
发明人： David Sperduti , Randolph C. Williams , James S. Brissenden , Randy W. Adler
IPC分类号： B60K17/346 , B60K23/08 , B60K28/16 , B60K17/34 , B60K17/344
CPC分类号： B60K17/3465 , B60K23/08 , B60K28/165
摘要： The present invention provides a motor vehicle traction control system for providing on-demand four-wheel drive under certain tractive and operational conditions. The traction control system permits the vehicle operator to choose between operation in the conventional two-wheel drive and four-wheel drive mode or the "on-demand" four-wheel drive mode. Moreover, the traction control system is operable for disabling the on-demand four-wheel drive feature upon the vehicle operator subsequently shifting into either of the two-wheel drive and the four-wheel drive modes.
摘要翻译：本发明提供一种用于在某些牵引和操作条件下提供按需四轮驱动的机动车牵引力控制系统。牵引力控制系统允许车辆操作者在传统的两轮驱动和四轮驱动模式或“按需”四轮驱动模式之间的操作之间进行选择。此外，牵引力控制系统可操作用于在车辆操作员随后转换到两轮驱动和四轮驱动模式中的任一者时禁用按需四轮驱动特征。

3. 发明授权

US5215160A Part-time on-demand transfer case and method 失效
标题翻译：兼职按需转移案例和方法
公开(公告)号：US5215160A
公开(公告)日：1993-06-01
申请号：US724848
申请日：1991-07-02
申请人： Randolph C. Williams , James S. Brissenden , David Sperduti , Randy W. Adler , Richard J. Newer
发明人： Randolph C. Williams , James S. Brissenden , David Sperduti , Randy W. Adler , Richard J. Newer
IPC分类号： B60K17/346 , B60K23/08 , B60K28/16
CPC分类号： B60K17/3465 , B60K23/08 , B60K28/165
摘要： The present invention provides a motor vehicle traction control system for providing on-demand four-wheel drive under certain tractive and operational conditions. The present invention is operable for disabling the on-demand four-wheel drive feature upon the vehicle operator subsequently shifting into the four-wheel drive mode.
摘要翻译：本发明提供一种用于在某些牵引和操作条件下提供按需四轮驱动的机动车牵引力控制系统。本发明可操作用于在车辆操作员随后转换到四轮驱动模式时禁用按需四轮驱动特征。

4. 发明授权

US5582263A Full-time four wheel drive transfer case 失效
标题翻译：全职四轮驱动传送箱
公开(公告)号：US5582263A
公开(公告)日：1996-12-10
申请号：US410878
申请日：1995-03-27
申请人： Sanjeev K. Varma , Randolph C. Williams , David Sperduti , Robert J. Wilson , Edward J. Reagan
发明人： Sanjeev K. Varma , Randolph C. Williams , David Sperduti , Robert J. Wilson , Edward J. Reagan
IPC分类号： B60K17/344 , B60K23/08 , B60K17/354
CPC分类号： B60K17/344 , B60K23/08 , B60K23/0808
摘要： The present invention is directed to a power transfer system of the type having a transfer case incorporated into the driveline of a full-time four-wheel drive vehicle. The transfer case includes an inter-axle differential for normally delivering drive torque to all four wheels so as to establish a full-time drive mode of operation. In addition, the transfer mechanism is equipped with a clutch assembly for controlling speed differentiation across the inter-axle differential and selectively varying the distribution ratio of the drive torque transmitted to the front and rear wheels. The transfer mechanism is also equipped with a rotary actuator and a drive mechanism for actuating the clutch assembly. The power transfer system further includes sensors for detecting various dynamic and operational characteristics of the vehicle and generating sensor input signals indicative thereof. A controller is provided for processing the input signals and controlling actuation of the rotary actuator in response thereto.
摘要翻译：本发明涉及一种具有并入全时四轮驱动车辆的传动系中的转移箱的类型的动力传递系统。传动箱包括一个轴间差速器，用于将驱动扭矩正常传递给所有四个车轮，以便建立全时驱动运行模式。此外，传送机构配备有用于控制越过车轴间差速器的速度差异的离合器组件，并且选择性地改变传递到前轮和后轮的驱动扭矩的分配比。传送机构还配备有用于致动离合器组件的旋转致动器和驱动机构。电力传输系统还包括用于检测车辆的各种动态和操作特性并产生指示其的传感器输入信号的传感器。提供控制器来处理输入信号并响应于此控制旋转致动器的致动。

5. 发明授权

US06824487B2 Transfer case for four-wheel drive vehicle 有权
公开(公告)号：US06824487B2
公开(公告)日：2004-11-30
申请号：US10630450
申请日：2003-07-30
申请人： Randolph C. Williams , Hemant S. Suthar , Aaron Ronk
发明人： Randolph C. Williams , Hemant S. Suthar , Aaron Ronk
IPC分类号： F16H3708
CPC分类号： B60K17/3465 , B60K17/3467 , F16H63/304
摘要： A transfer case is provided with a range unit, an interaxle differential, a clutch assembly and a power-operated actuation mechanism. The range unit includes a planetary gearset driven by an input shaft, and a synchronized dog clutch assembly for releasably coupling one of the input shaft or an output component of the planetary gearset to an input member of the interaxle differential. The interaxle differential further includes a first output member driving a first output shaft, a second output member operably driving a second output shaft. The clutch assembly is a multi-plate friction clutch operably disposed between the first and second output shafts. The power-operated actuation mechanism includes a range actuator assembly, a ball-ramp clutch actuator assembly and a motor assembly operable to control actuation of the range actuator assembly and the clutch actuator assembly.

6. 发明授权

US06629474B2 On-demand transfer case with controllable bi-directional overrunning clutch assembly 失效
公开(公告)号：US06629474B2
公开(公告)日：2003-10-07
申请号：US10080420
申请日：2002-02-22
申请人： Randolph C. Williams
发明人： Randolph C. Williams
IPC分类号： F16H3706
CPC分类号： F16D41/086 , B60K23/08 , Y10T74/19079 , Y10T74/19102 , Y10T74/19116
摘要： A controllable, multi-mode, bi-directional overrunning clutch assembly and a mode shift system are adapted for use in a transfer case for transferring drive torque from a primary output shaft to a secondary output shaft so as to establish four-wheel drive modes. The clutch assembly includes a first ring journalled on a first rotary member, a second ring fixed to a second rotary member, and a plurality of rollers disposed in opposed cam tracks formed between the first and second rings. The first ring is split to define an actuation channel having a pair of spaced end segments. An actuator ring is moveable between positions engaged with and released from the end segments of the first ring. The shift system includes a moveable clutch actuator which controls movement of the actuator ring for establishing an on-demand four-wheel drive mode and a locked or part-time four-wheel drive mode.

7. 发明授权

US06557680B2 On-demand transfer case with integrated sprocket and bi-directional clutch assembly 失效
公开(公告)号：US06557680B2
公开(公告)日：2003-05-06
申请号：US09891790
申请日：2001-06-25
申请人： Randolph C. Williams
发明人： Randolph C. Williams
IPC分类号： F16D4102
CPC分类号： F16H1/32 , F16D11/16 , F16H48/10 , F16H2200/201
摘要： A controllable, multi-mode, bi-directional overrunning clutch assembly and a shift system adapted for transferring drive torque from a primary shaft to a secondary shaft. The clutch assembly includes a first ring journalled on a first rotary member, a second ring fixed to a second rotary member, and a plurality of rollers disposed in opposed cam tracks formed between the first and second rotary members. The first ring is split to define an actuation channel between its end segments. A first spring-biased pin is moveable between positions engaged with and released from one end segment of the split first ring. A second spring-biased pin is moveable between positions engaged with and released from the opposite end segment of the split first ring. A moveable pin actuator controls movement of the first and second pins for establishing distinct operational modes.

8. 发明授权

US6113512A Full-time transfer case with integrated planetary gear assembly and synchronized range shift mechanism 失效
标题翻译：集成行星齿轮组合和同步换档机构的全职转运箱
公开(公告)号：US6113512A
公开(公告)日：2000-09-05
申请号：US338894
申请日：1999-06-23
申请人： Randolph C. Williams
发明人： Randolph C. Williams
IPC分类号： B60K17/346 , B60K17/35
CPC分类号： B60K17/3467
摘要： A transfer case for a four-wheel drive vehicle having a planetary gear assembly which integrates a gear reduction unit and an interaxle differential into a common assembly. A synchronized range clutch is operably associated with the input to the planetary gear assembly and can be selectively shifted on-the-fly for establishing high-range and low-range speed ratios. A synchronized mode clutch is operably associated with the output of the planetary gear assembly and can be selectively shifted on-the-fly for establishing two-wheel, full-time four-wheel and locked four-wheel drive modes.
摘要翻译：一种用于具有行星齿轮组件的四轮驱动车辆的分动箱，其将齿轮减速单元和齿间差速器集成到共同的组件中。同步范围离合器与行星齿轮组件的输入可操作地相关联并且可以被选择性地快速移动以建立高范围和低范围的速度比。同步模式离合器与行星齿轮组件的输出可操作地相关联并且可以被选择性地移动，以建立两轮全时四轮和锁定的四轮驱动模式。

9. 发明授权

US6056666A Synchronized range shift mechanism for transfer case 失效
标题翻译：传送箱同步距离换档机构
公开(公告)号：US6056666A
公开(公告)日：2000-05-02
申请号：US124289
申请日：1998-07-28
申请人： Randolph C. Williams
发明人： Randolph C. Williams
IPC分类号： B60K17/342 , B60K17/344 , F16H3/54
CPC分类号： B60K17/344 , B60K17/342
摘要： A transfer case for a four-wheel drive vehicle having a planetary gear assembly and a synchronized range clutch which can be selectively shifted on-the-move establishing high-range and low-range drive modes. The planetary gear assembly includes a ring gear, a sun gear, a carrier coupled for rotation with an output shaft of the transfer case, and a pinion gear rotatably supported from the carrier and which is meshed with the ring gear and the sun gear. The range clutch includes a first sleeve coupled for rotation with the ring gear and which is rotatably supported from a second sleeve coupled for rotation with an input shaft of the transfer case. With the range clutch in a first position, the first sleeve is uncoupled from the housing and the second sleeve is coupled to the carrier for driving the output shaft at a first speed ratio relative to the input shaft. With the range clutch in a second position, the first sleeve is coupled to the housing and the second sleeve is coupled to the sun gear for driving the output shaft at a second speed ratio relative to the input shaft.
摘要翻译：一种用于具有行星齿轮组件和同步范围离合器的四轮驱动车辆的分动箱，其可以选择性地移动建立高范围和低范围驱动模式。行星齿轮组件包括环形齿轮，太阳齿轮，联接成与转移壳体的输出轴一起旋转的托架以及从该托架可旋转地支撑并与齿圈和太阳齿轮啮合的小齿轮。范围离合器包括联接成与环形齿轮一起旋转的第一套筒，并且该第一套筒由耦合以与转移箱的输入轴一起旋转的第二套筒可旋转地支撑。在距离离合器处于第一位置时，第一套筒与壳体分离，并且第二套筒联接到托架，用于以相对于输入轴的第一速度比驱动输出轴。当距离离合器处于第二位置时，第一套筒联接到壳体，并且第二套筒联接到太阳齿轮，用于相对于输入轴以第二速比驱动输出轴。

10. 发明授权

US4677873A Transfer case with inter-axle dual-planetary differential 失效
标题翻译：传动箱采用双轴行星差速器
公开(公告)号：US4677873A
公开(公告)日：1987-07-07
申请号：US812661
申请日：1985-12-23
申请人： Richard E. Eastman , Randolph C. Williams
发明人： Richard E. Eastman , Randolph C. Williams
IPC分类号： B60K17/346 , F16H37/08
CPC分类号： B60K17/3467
摘要： A dual planetary differential for a two wheel/four wheel drive vehicle transfer case mechanism providing an unequal torque split between the front and rear wheels during its full-time four wheel drive operation. The dual planetary gear set may be shifted by means of a mode clutch to provide either four wheel drive with full-time differentiation between the front and rear wheels or a part-time four wheel drive mode wherein the dual planetary is in a locked-up condition. The first and second sun gears of the dual planetary have unequal diameters with differing numbers of teeth such that, for example, proportionally more torque is transferred to the rear wheels than the front wheels. The sun gears have complementary frusto-conical web portions arranged in a juxtaposed compact manner within the transfer case.
摘要翻译：用于双轮/四轮驱动车辆转移箱机构的双行星差速器，其在全时四轮驱动操作期间在前轮和后轮之间提供不相等的扭矩分配。双行星齿轮组可以通过模式离合器移动，以提供在前轮和后轮之间具有全时差异的四轮驱动，或者是双重行星齿轮被锁定的部分时间四轮驱动模式条件。双行星齿轮的第一和第二太阳齿轮具有不同数量的齿的不相等的直径，使得例如比前轮成比例地将更多的转矩传递到后轮。太阳齿轮具有互补的截头圆锥形腹板部分，其以并置紧密的方式布置在转移壳体内。

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