Magna International Inc.
AUTOMATIC VEHICLE CLOSURE SYSTEM

Abstract:

A system for opening and closing a closure of a vehicle, such as a door or a tailgate, is provided. The system includes a motor such as an electric motor which may be coupled to the closure via an output linkage, with the output linkage mechanically coupled to the closure and operable to move the closure between a closed position and an open position. The output linkage may include a driven pulley which may be coupled to the motor. The output linkage may include a driven pulley and a cable. The output linkage may include a leadscrew threadedly engaging a nut. A high-bandwidth MR clutch having a high dynamic response may selectively couple the motor with the closure to provide a haptic or tactile feedback to a user interacting with the closure as it is opened or closed.