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    • 1. 发明专利
    • Capacity control valve
    • 容量控制阀
    • JP2003322086A
    • 2003-11-14
    • JP2002244198
    • 2002-08-23
    • Eagle Ind Co Ltdイーグル工業株式会社
    • SASAKI SHINJISHIRAFUJI KEIGOIWA TOSHIAKICHO RYOSUKEOGAWA YOSHIHIROSHIRAI KATSUYAMAEDA TAKAHIROKAMIMURA KUNISUKE
    • F04B49/00F04B27/14F04B27/18F04B49/08F16K31/06
    • F16K31/0613F04B27/1804F04B2027/1827F04B2027/1845F04B2027/1895F16K31/0627F16K31/0637Y10T137/86549
    • PROBLEM TO BE SOLVED: To perform a highly accurate pressure control of a valve body by preventing unwanted pressure from applying to a valve body and to alter the function of a control chamber by rapidly modulating pressure within the control chamber with supplied control pressure. SOLUTION: In this capacity control valve 1, a valve opening joint part 30 which is integral with the valve body 21 can be rapidly disengaged from an engagement part 22B which is integral with a pressure sensing device 22, and thereby a rapid lifting of the valve body 21 is enabled to modulate the capacity or pressure in the control chamber. The seal pressure receiving area As of the valve body 21 to the effective pressure receiving area Ab of the pressure sensing device 22 and further pressure receiving area Ar2 of an action face 23 of the valve body 21 are exactly or approximately equated. Or the seal pressure receiving area As and pressure receiving area of the action face 23 are exactly or approximately equated to apply only set pressure to the valve body 21. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:通过防止不必要的压力施加到阀体并通过以所提供的控制压力快速调节控制室内的压力来改变控制室的功能来执行阀体的高精度的压力控制 。 解决方案:在该容量控制阀1中,与阀体21成一体的阀开口接合部30可以与与压力感测装置22成一体的接合部22B迅速脱离,从而快速提升 使阀体21能够调节控制室中的容量或压力。 阀体21的密封压力接收面积A 1与压力感测装置22的有效受压面积Ab和阀体21的作用面23的压力接收面积Ar2精确地或近似相等。 或者密封压力接收面积As和作用面23的压力接收面积精确地或近似等于仅对阀体21施加设定压力。版权所有(C)2004,JPO