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    • 2. 发明申请
    • FAIL-SAFE ACTUATOR ASSEMBLY FOR AN ANNULAR DISK BRAKE
    • 安全致动器组件用于环形碟形制动器
    • WO2013044394A1
    • 2013-04-04
    • PCT/CA2012/050686
    • 2012-10-01
    • ASTÉRIA PERFORMANCE INC.
    • CONSTANS, Alain
    • F16D65/18F16D55/228
    • F16D65/186F16D2121/08F16D2121/10F16D2123/00
    • The actuator assembly (40) includes a substantially cylindrical housing (310), a first and second annular actuator devices (300, 302) respectively positioned inside inboard-facing and outboard-facing compartment (320, 322) of the housing (310), a plate (342) axially movable in the housing (310) between an inboard end position and an outboard end position, and an axially-movable annular member (48). One or more springs (340) are provided between the plate (342) and a cover (312) closing an inboard side of the housing (310). The plate (342) is set to its outboard end position when the first actuator device (300) is under a threshold internal fluid pressure, thereby automatically setting the brake (10) into a parking mode using the spring force. The brake (10) is in a normal operation mode when the first actuator device (300) is above the threshold internal pressure, the plate (342) then being at its inboard end position.
    • 致动器组件(40)包括基本上圆柱形的壳体(310),分别位于壳体(310)的面向内和面向外的隔室(320,322)内的第一和第二环形致动器装置(300,302) 在壳体(310)中在内侧端部位置和外侧端部位置之间可轴向移动的板(342)和可轴向移动的环形构件(48)。 一个或多个弹簧(340)设置在板(342)和封闭壳体(310)内侧的盖(312)之间。 当第一致动器装置(300)处于阈值内部流体压力下时,板(342)被设定为其外侧端位置,从而使用弹簧力将制动器(10)自动设置为停车模式。 当第一致动器装置(300)高于阈值内部压力时,制动器(10)处于正常操作模式,然后板(342)处于其内侧端部位置。