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发明公开
CN106090054A 离合器式从动装置和相关的离合器机构 有权

离合器式从动装置和相关的离合器机构
摘要：
提供了一种从动附件(10)，该从动附件(10)包括第一旋转离合器部(50)、第二旋转离合器部(52)、卷绕弹簧(56)和致动器(60)。卷绕弹簧(56)构造成在第一旋转离合器部与第二旋转离合器部(50、52)之间传输旋转动力。致动器(60)能够选择性地操作以产生施加至卷绕弹簧(56)的曳力以控制通过卷绕弹簧(56)进行的扭矩传输。致动器(60)包括致动器输入构件(140)、制动瓦(144)和构造成能够沿旋转轴线(70)轴向地平移制动瓦(144)的马达(142)。在当马达(142)操作于第一模式下时产生曳力，使得第一旋转离合器部(50)与第二旋转离合器部(52)之间的旋转动力的传输被中断。
摘要（英）：

A driven accessory (10) is provided that includes a first rotary clutch portion (50), a second rotary clutch portion (52), a wrap spring (56) and an actuator (60). The wrap spring (56) is configured to transmit rotary power between the first and second rotary clutch portions (50, 52). The actuator (60) is selectively operable for generating a drag force that is applied to the wrap spring (56) to control torque transmission through the wrap spring (56). The actuator (60) includes an actuator input member (140), a brake shoe (144) and a motor (142) that is configured to translate the brake shoe (144) axially along the rotary axis (70). The drag force is generated when the motor (142) is operated in a first mode so that transmission of rotary power between the first rotary clutch portion (50) and the second rotary clutch portion (52) is interrupted.

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