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    • 1. 发明授权
    • Electrical switch for detecting positions of an automatic transmission
of an automobile
    • 用于检测汽车的自动变速器的位置的电气开关
    • US5023414A
    • 1991-06-11
    • US492465
    • 1990-03-13
    • Haruhiko MiharaNorihiro IdaTetsuya Hamaoka
    • Haruhiko MiharaNorihiro IdaTetsuya Hamaoka
    • F16H59/10H01H19/58H01H21/08H01H21/32
    • H01H19/58F16H59/105H01H21/32H01H21/08H01H2300/02
    • An electrical rotary switch in use with an automatic transmission for detecting the operative position of the transmission and controlling an electric circuit associated with the positions of the transmission. The switch comprises a switch casing composed of a base plate and a cover plate each formed of an electrically insulating material and provided in its interior surface with a plurality of fixed contacts. Supported between the base plate and the cover plate is an actuator which is rotatable about a rotation axis in response to the changing positions of the automatic transmission. The actuator has a coupling end to be interlocked with a control output shaft of the transmission which is provided to rotate in synchronism with changing positions of the transmission. The actuator has first and second opposed faces each confronting the interior surface of each one of the base plate and the cover plate, and carries first and second movable contacts respectively on the first and second faces for electrical conduction between selective ones of the fixed contacts on the individual plates depending upon a particular angular position of the actuator about the rotation axis. Also formed on the switch casing is a terminal assembly comprising a plurality of terminal pins leading from the individual fixed contacts for connection with the external electric circuits. The movable contacts are carried in slots in the actuator. A third moveable contact is used to energize the starter circuit when the park and neutral positions of the transmission are detected.
    • 一种电动旋转开关,其与自动变速器一起使用,用于检测变速器的操作位置并控制与变速器的位置相关联的电路。 开关包括由基板和盖板构成的开关壳体,每个盖板由电绝缘材料形成并且在其内表面中设置有多个固定触点。 支撑在基板和盖板之间的致动器是响应于自动变速器的变化位置而围绕旋转轴线旋转的致动器。 致动器具有与变速器的控制输出轴互锁的联接端,其被设置成与变速器的变化位置同步地旋转。 致动器具有分别面对基板和盖板中的每一个的内表面的第一和第二相对面,并且分别在第一和第二表面上承载第一和第二可移动触点,用于在选择性的固定触点之间导电 各个板取决于致动器围绕旋转轴线的特定角度位置。 还形成在开关壳体上的是一个端子组件,它包括从各个固定触点引出的多个端子引脚,用于与外部电路连接。 可动触点承载在致动器的槽中。 当检测到变速箱的停放位置和空档位置时,第三个可动触点被用于对起动电路通电。