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1. 发明授权

US4867012A Variable speed transmission 失效
标题翻译：变速传动
公开(公告)号：US4867012A
公开(公告)日：1989-09-19
申请号：US198139
申请日：1988-05-24
申请人： Clifford B. McGarraugh
发明人： Clifford B. McGarraugh
IPC分类号： F16H3/72
CPC分类号： F16H3/72
摘要： Differential-gearing devices are disclosed in which the differential pinion gears are controlled to induce a speed difference between output shafts, provide a locking and limited slip differential to equalize the speeds of the output shafts or limit their speed difference, provide a clutch for controlling the coupling and uncoupling of an input shaft to an output shaft, and provide a variable speed transmission. These operational modes are implemented by mounting hydraulic motor or pump units on the rotating carrier of the differential apparatus, the pinion gears being fixed to the shafts of the respective units. A controllable external fluid source independent of the carrier is in fluid communication with the units via conduits through the stationary housing of the differential device and the rotating carrier. Fluid flow may be either blocked, limited or unimpeded between the source and the units to effect the desired control of the pinion gears to, in turn, determine the operational mode of the apparatus.
摘要翻译：公开了差速齿轮装置，其中差速小齿轮被控制以引起输出轴之间的速度差，提供锁定和限制滑差差以平衡输出轴的速度或限制其速度差，提供用于控制输入轴与输出轴的联接和分离，并提供变速传动。这些操作模式通过将液压马达或泵单元安装在差速装置的旋转载架上来实现，小齿轮固定在各单元的轴上。独立于载体的可控外部流体源通过导管通过差速装置的固定壳体和旋转载体与单元流体连通。流体流动可以在源和单元之间被阻塞，限制或不受阻碍以实现小齿轮的期望控制，从而确定装置的操作模式。

2. 发明授权

US4974471A Controllable pinion differential device 失效
标题翻译：可控小齿轮差速装置
公开(公告)号：US4974471A
公开(公告)日：1990-12-04
申请号：US277295
申请日：1988-11-29
申请人： Clifford B. McGarraugh
发明人： Clifford B. McGarraugh
IPC分类号： F16H3/72
CPC分类号： F16H3/72
摘要： Differential-gearing devices are disclosed in which the differential pinion gears are controlled to induce a speed difference between output shafts, provide a locking and limited slip differential to equalize the speeds of the output shafts or limit their speed difference, provide a clutch for controlling the coupling and uncoupling of an input shaft to an output shaft, and provide a variable speed transmission. These operational modes are implemented by mounting hydraulic motor or pump units on the rotating carrier of the differential apparatus, the pinion gears being fixed to the shafts of the respective units. A controllable external fluid source independent of the carrier is in fluid communication with the units via conduits through the stationary housing of the differential device and the rotating carrier. Fluid flow may be either blocked, limited or unimpeded between the source and the units to effect the desired control of the pinion gears to, in turn, determine the operational mode of the apparatus.
摘要翻译：公开了差速齿轮装置，其中差速小齿轮被控制以引起输出轴之间的速度差，提供锁定和限制滑差差以平衡输出轴的速度或限制其速度差，提供用于控制输入轴与输出轴的联接和分离，并提供变速传动。这些操作模式通过将液压马达或泵单元安装在差速装置的旋转载架上来实现，小齿轮固定在各单元的轴上。独立于载体的可控外部流体源通过导管通过差速装置的固定壳体和旋转载体与单元流体连通。流体流动可以在源和单元之间被阻塞，限制或不受阻碍以实现小齿轮的期望控制，从而确定装置的操作模式。

3. 再颁专利

USRE34209E Variable speed transmission 失效
公开(公告)号：USRE34209E
公开(公告)日：1993-03-30
申请号：US753824
申请日：1991-09-03
申请人： Clifford B. McGarraugh
发明人： Clifford B. McGarraugh
IPC分类号： F16H48/08 , F16H48/20 , F16H48/26 , F16H48/27 , F16H48/30 , F16H48/32 , F16H48/34 , F16H48/36 , F16H48/40
CPC分类号： F16H3/721 , F16H48/08 , F16H48/27 , F16H48/30 , F16H48/32 , F16H48/34 , F16H48/36 , F16H2048/201 , F16H2048/204 , F16H2048/265 , F16H2048/305 , F16H2048/364 , F16H2200/2071 , F16H48/26 , F16H48/40
摘要： Differential-gearing devices are disclosed in which the differential pinion gears are controlled to induce a speed difference between output shafts, provide a locking and limited slip differential to equalize the speeds of the output shafts or limit their speed difference, provide a clutch for controlling the coupling and uncoupling of an input shaft to an output shaft, and provide a variable speed transmission. These operational modes are implemented by mounting hydraulic motor or pump units on the rotating carrier of the differential apparatus, the pinion gears being fixed to the shafts of the respective units. A controllable external fluid source independent of the carrier is in fluid communication with the units via conduits through the stationary housing of the differential device and the rotating carrier. Fluid flow may be either blocked, limited or unimpeded between the source and the units to effect the desired control of the pinion gears to, in turn, determine the operational mode of the apparatus.

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