发明授权
US4702341A Four wheel drive vehicle slippage control device and method limiting
center differential action according to input torque supplied thereto
失效
四轮驱动车辆滑动控制装置和方法，根据供给的输入扭矩来限制中心差速动作
- 专利标题： Four wheel drive vehicle slippage control device and method limiting center differential action according to input torque supplied thereto
- 专利标题（中）： 四轮驱动车辆滑动控制装置和方法，根据供给的输入扭矩来限制中心差速动作
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申请号： US940751申请日： 1986-12-11
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公开(公告)号： US4702341A公开(公告)日： 1987-10-27
- 发明人: Yutaka Taga , Seitoku Kubo , Yuji Kashihara , Kunio Morisawa , Mitsuru Takada , Yasunari Nakamura
- 申请人： Yutaka Taga , Seitoku Kubo , Yuji Kashihara , Kunio Morisawa , Mitsuru Takada , Yasunari Nakamura
- 申请人地址： JPX Aichi
- 专利权人： Toyota Jidosha Kabushiki Kaisha
- 当前专利权人： Toyota Jidosha Kabushiki Kaisha
- 当前专利权人地址： JPX Aichi
- 优先权： JPX60-280662 19851213; JPX61-061801 19860319; JPX61-061802 19860319; JPX61-065314 19860324; JPX61-089347 19860418; JPX61-105468 19860506; JPX61-105542 19860508; JPX61-125197 19860530; JPX61-149079 19860624; JPX61-161298 19860709
- 主分类号： B60K23/08
- IPC分类号： B60K23/08 ; B60T8/32 ; F16H61/46 ; F16H61/58 ; B60K17/34
摘要：
In a four wheel drive power transmission system for a vehicle, a power distribution device receives rotational power from an engine and provides rotational power to the combination of the front wheels and also to the combination of the rear wheels, and is controllable either to provide differential action between the front wheels combination and the rear wheels combination, or for this differential action to be at least partially inhibited by torque transmission. This slippage control device includes: a subsystem which estimates the torque being input to the power distribution device for four wheel drive from the transmission mechanism; and a subsystem which provides differential action inhibition of the power distribution device according to the thus estimated value of the torque being input to it from the transmission mechanism. The method of operation of this device is also described.
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