公开(公告)号：US5323871A

公开(公告)日：1994-06-28

申请号：US28952

申请日：1993-03-10

申请人： Robert J. Wilson ,  David Sperduti ,  Richard E. Eastman ,  Neville K. Divecha ,  Joseph A. Winks

发明人： Robert J. Wilson ,  David Sperduti ,  Richard E. Eastman ,  Neville K. Divecha ,  Joseph A. Winks

IPC分类号： B60K17/344 ,  B60K23/08 ,  B60K17/34

CPC分类号： B60K23/08 ,  B60K17/344 ,  B60K23/0808

摘要： The present invention is directed to an improved "on-demand" power transfer system of the type having a transfer mechanism incorporated into the driveline of a four-wheel drive vehicle. The transfer mechanism is arranged to deliver drive torque to the driven wheels so as to establish a two-wheel drive mode of operation. In addition, the transfer mechanism is equipped with a clutch assembly for selectively delivering drive torque to the non-driven wheels for establishing a four-wheel drive mode of operation. The transfer mechanism is further equipped with a rotary actuator mechanism for actuating the clutch assembly. The rotary actuator mechanism is preferably mounted directly to the transfer mechanism to substantially minimize the packaging requirements associated with the on-demand power transfer system while concomitantly enhancing in-service reliability and allowing pre-assembly of the transfer mechanism prior to final installation into the vehicle driveline. The power transfer system further includes sensors for detecting various dynamic and operational characteristics of the vehicle and generating sensor input signals indicative thereof, and a controller for controlling actuation of the rotary actuator means in response to the sensor input signals.

摘要翻译： 本发明涉及一种改进的“按需”动力传递系统，其具有结合到四轮驱动车辆的传动系中的传送机构。 传动机构被布置成将驱动扭矩传递到从动轮，以便建立两轮驱动操作模式。 此外，传送机构配备有离合器组件，用于选择性地将驱动扭矩输送到非从动轮以建立四轮驱动操作模式。 传送机构还配备有用于致动离合器组件的旋转致动器机构。 旋转致动器机构优选地直接安装在传送机构上，从而基本上最小化与按需电力传送系统相关联的包装要求，同时增强了在役可靠性并允许在最终安装到车辆之前预先组装传送机构 传动系。 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，以及用于响应于传感器输入信号控制旋转致动器装置的致动的控制器。