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    • 7. 发明授权
    • Electronically controlled parking brake system
    • 电控驻车制动系统
    • US5180038A
    • 1993-01-19
    • US825503
    • 1992-01-24
    • James H. ArnoldRandal J. PerishoMichael D. DeWittWayne L. Soucie
    • James H. ArnoldRandal J. PerishoMichael D. DeWittWayne L. Soucie
    • B60T13/74F16D65/14
    • B60T13/743B60T13/746F16D2121/26Y10T74/18688
    • An electronically controlled parking brake system for a vehicle including a housing connected with the vehicle chassis, a movable member adapted for connection with the parking brake cable of the vehicle, a main spring biasing the movable member toward a brake-applied position relative to the housing, an electric motor operable to displace the movable member toward a brake-released position relative to the housing, a retaining device normally retaining the movable member in the brake-released position, and a release device for releasing the retaining device, whereby the movable member is released for displacement by the main spring toward the brake-applied position. Preferably, the retaining device includes a helical clutch spring mounted concentrically on a rotatable drive screw that drives the movable member in the brake-released direction, and the release device includes a solenoid for releasing the clutch spring.
    • 一种用于车辆的电子控制驻车制动系统,包括与车辆底盘连接的壳体,适于与车辆的驻车制动缆线连接的可动构件,将弹性体相对于壳体向制动器施加位置偏压的主弹簧 ,电动马达,其可操作以相对于所述壳体朝向制动释放位置移动所述可动构件;保持装置,其通常将所述可动构件保持在所述制动器释放位置;以及释放装置,用于释放所述保持装置,由此所述可移动构件 被释放以通过主弹簧朝向制动施加位置的位移。 优选地,保持装置包括一个螺旋离合器弹簧,该螺旋离合器弹簧同心地安装在可沿着制动释放方向驱动可动件的可旋转驱动螺杆上,而释放装置包括用于释放离合器弹簧的螺线管。