Combined torque motor and rotary flow control valve unit
    21.
    发明授权
    Combined torque motor and rotary flow control valve unit 失效
    组合扭矩电机和旋转流量控制阀单元

    公开(公告)号:US4647010A

    公开(公告)日:1987-03-03

    申请号:US812323

    申请日:1985-12-23

    CPC分类号: H01F7/145 H02K26/00

    摘要: A combined torque motor and rotary flow control valve unit (10) incorporating a torque motor (12) and a rotary flow control valve (14). The unit (10) includes an enclosure member (70) surrounding a rotor (38) of the torque motor (12) and fluid-tightly isolating the stationary part (18) of the torque motor from a sealed chamber (96) defined within the enclosure member (70) to prevent fluid leakage. Preferably, the chamber (96) in the enclosure member (70) is communicated with a fluid inlet (56) of the valve (14) to counterbalance fluid pressures acting on a rotary flow control member (54) of the valve, thereby eliminating any axial thrust that would otherwise be exerted on the rotary flow control member due to the fluid pressure acting thereon in one direction.

    摘要翻译: 组合的扭矩马达和旋转流量控制阀单元(10),其结合有扭矩马达(12)和旋转流量控制阀(14)。 单元(10)包括围绕扭矩马达(12)的转子(38)的封闭构件(70),并且将扭矩马达的固定部分(18)与限定在扭矩马达(12)内的密封室 封闭构件(70)以防止流体泄漏。 优选地,外壳构件(70)中的室(96)与阀(14)的流体入口(56)连通,以平衡作用在阀的旋转流量控制构件(54)上的流体压力,从而消除任何 由于在一个方向上作用在其上的流体压力,否则将会施加在旋转流量控制构件上的轴向推力。