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    • 8. 发明专利
    • Relief valve
    • 救护阀
    • JP2012255484A
    • 2012-12-27
    • JP2011128504
    • 2011-06-08
    • Kawasaki Heavy Ind Ltd川崎重工業株式会社
    • MATSUO MASAHIRONASU YAMATO
    • F16K17/06
    • F16K17/04F16K17/044F16K17/065Y10T137/7794
    • PROBLEM TO BE SOLVED: To enable pressurized liquid at an inlet to be released at a liquid pressure that is lower than the conventional pressure when the liquid pressure at the inlet has increased sharply, and to prevent the occurrence of a large surge pressure at the inlet due to the initial increase of the liquid pressure at the inlet from that low-liquid-pressure state.SOLUTION: A relief valve R1 adjusts the relief pressure by means of a plunger 3, which is pressed forward by an elastic member and blocks off an outlet 1a and an inlet 2a, resisting the elastic force of the elastic member and retracting in conjunction with a rise in the pressure at the inlet 2a so as to connect the inlet 2a and the outlet 1a, and by means of a piston 4, which presses the rear end of the elastic member forward, advancing in conjunction with a rise in the pressure at the inlet 1a and thereby compressing the elastic member. The elastic member is equipped with a first elastic member 5a and a second elastic member 5b which are arranged in series, with the second elastic member 5b being formed with a lower elastic constant than the first elastic member 5a.
    • 要解决的问题:为了使入口处的加压液体在液体压力低于常规压力时释放,当入口处的液体压力急剧增加时,并且防止发生大的浪涌压力 由于来自该低液压状态的入口处的液体压力的初始增加,在入口处。 解决方案:安全阀R1通过柱塞3调节溢流压力,柱塞3由弹性构件向前挤压,阻挡出口1a和入口2a,抵抗弹性构件的弹性和回缩 结合入口2a处的压力的升高,以便连接入口2a和出口1a,并且借助于将弹性构件的后端向前挤压的活塞4,与活塞4的上升相结合 在入口1a处的压力,从而压缩弹性构件。 弹性部件配备有串联配置的第一弹性部件5a和第二弹性部件5b,第二弹性部件5b形成为比第一弹性部件5a低的弹性常数。 版权所有(C)2013,JPO&INPIT