WRAP SPRING PARK BRAKE SYSTEM, APPARATUS AND METHOD

摘要

A park brake system for an electric motor actuator is provided. The system may comprise a wrap spring that may rotatably engage the shaft. In this regard, the system may be configured to exert a radial force on a shaft of the electric motor actuator to lock the actuator. Moreover, in various embodiments, the system may be bi-stable.

主权项

1. A park brake system, comprising:
a rotor cup; a magnet operatively coupled to the rotor cup; a stator configured to actuate the magnet in response to an input; a spring having a first end and a second end, the second end operatively coupled to the rotor cup; and a shaft, the spring installable around the shaft.