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    • 1. 发明申请
    • VARIABLE GAS PRESSURE REGULATOR
    • 可变气压调节器
    • WO2013029175A1
    • 2013-03-07
    • PCT/CA2012/050595
    • 2012-08-28
    • WESTPORT POWER INC.MCKAY, Michael
    • MCKAY, Michael
    • F16K31/126F16K17/168F16K31/42F17C13/04
    • G05D16/2093
    • A variable gas pressure regulator comprises a throttling valve regulating the fluid flow between a high-pressure fluid inlet and a regulated space fluidly connected to a fluid outlet, a high-pressure solenoid commanded to control fluid flow between the fluid inlet and a control space and a low-pressure solenoid commanded to control fluid flow between the control space and the regulated space. The regulator achieves a variable pressure at the regulator outlet by commanding the two solenoids to control the pressure in the control space relative to the regulated space. The regulator further comprises a lock-off valve which is controlled by the action of the low-pressure solenoid and of the high- pressure solenoid based on the relative pressure difference between the control space and the regulated space. The lock-off valve seals the passage between the fluid inlet and the regulated space.
    • 可变气体压力调节器包括调节阀,该节流阀调节高压流体入口和流体连接到流体出口的调节空间之间的流体流动,指示用于控制流体入口和控制空间之间的流体流动的高压螺线管,以及 一个低压螺线管,用于控制控制空间和调节空间之间的流体流动。 调节器通过命令两个螺线管来控制控制空间中相对于调节空间的压力来实现调节器出口处的可变压力。 调节器还包括基于控制空间和调节空间之间的相对压力差由低压螺线管和高压螺线管的作用控制的锁闭阀。 锁定阀密封流体入口和调节空间之间的通道。