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    • 1. 发明授权
    • Control valve
    • 控制阀
    • US08434518B2
    • 2013-05-07
    • US12673986
    • 2008-08-20
    • Eiji Okamoto
    • Eiji Okamoto
    • F16K11/07
    • F16K31/0655Y10T137/8671Y10T137/86919Y10T137/87217Y10T137/87249
    • The control valve has a body; a supply port, an output port, and a discharge port; a first pressure-sensing device; the valve body having a first valve section surface that forms a first valve seat surface; a valve seat body having a second valve seat surface that forms the second valve section surface; a second pressure-sensing device; and a solenoid section. The first effective pressure-receiving area, the first pressure-receiving area on the inner side of a portion where the first valve seat surface and the first valve section surface are in contact with each other, and the second pressure-receiving area on the inner side of a portion where the second valve seat surface and the second valve section surface are in contact with each other are set to be substantially the same, and the second effective pressure-receiving area is set greater than the first effective pressure-receiving area.
    • 控制阀具有主体; 供给口,输出口,排出口; 第一压力感测装置; 所述阀体具有形成第一阀座面的第一阀部分表面; 阀座主体,具有形成第二阀部分表面的第二阀座表面; 第二压力感测装置; 和螺线管部分。 第一有效受压面积,第一阀座面和第一阀部表面彼此接触的部分的内侧的第一受压面积和内部的第二受压面积 将第二阀座面和第二阀部表面彼此接触的部分的侧面设置为基本相同,并且将第二有效受压面积设定为大于第一有效受压面积。
    • 2. 发明授权
    • Control valve
    • 控制阀
    • US08434517B2
    • 2013-05-07
    • US12673993
    • 2008-08-22
    • Eiji Okamoto
    • Eiji Okamoto
    • F16K11/07
    • F16K31/0655F16K31/0693Y10T137/777Y10T137/86702Y10T137/87217Y10T137/87241
    • The present invention relates to a control valve capable of performing capacity control independent of the pressure of operation fluid. In the control valve which opens and closes a first poppet valve and a second poppet valve by a solenoid section the following pressure-receiving areas relating to the first poppet valve and the second poppet valve are set to be substantially equal to each other: the first effective pressure-receiving area of a first pressure-sensing spring device, the second effective pressure-receiving area of a second pressure-sensing spring device, the first pressure-receiving area on the inner side of a portion where a first valve seat surface and a first valve section surface are in contact with each other, and the second pressure-receiving area on the inner side of a portion where a second valve seat surface and a second valve section surface are in contact with each other.
    • 本发明涉及能够独立于操作流体的压力进行容量控制的控制阀。 在通过螺线管部分打开和关闭第一提升阀和第二提升阀的控制阀中,将与第一提升阀和第二提升阀相关的以下压力接收区域设置为基本相等:第一 第一压力感测弹簧装置的有效压力接收面积,第二压力感测弹簧装置的第二有效受压面积,第一压力容纳区域的第一阀座面和 第一阀部分表面彼此接触,并且第二阀座表面和第二阀部分表面彼此接触的部分的内侧上的第二受压区域。
    • 3. 发明申请
    • SOLENOID VALVE
    • 电磁阀
    • US20120211686A1
    • 2012-08-23
    • US13503996
    • 2011-02-23
    • Eiji Okamoto
    • Eiji Okamoto
    • F16K31/06F16K11/07
    • F16K31/0624Y10T137/86702Y10T137/8671Y10T137/86919Y10T137/87217
    • The present invention provides a solenoid valve able to control flow amount as desired without receiving influence of change in fluid pressure. In the present invention, in a control valve for opening and closing a first poppet valve 103 and a second poppet valve 104 by a solenoid portion, a first pressure receiving area S1 which is a seating area of the first poppet valve 103, a second pressure receiving area S2 which is a seating area of the second poppet valve 104, a third pressure receiving area S3 which is a pressure receiving area of a first pressure sensing portion 145 and a fourth pressure receiving area S4 which is a pressure receiving area of a second pressure sensing portion 155 are made approximately equal to each other. Thereby unbalanced forces received from fluid flowing in and out when each poppet valve is actuated are all canceled.
    • 本发明提供一种电磁阀,其能够在不受流体压力变化的影响的情况下控制流量。 在本发明中,在用于通过螺线管部分打开和关闭第一提升阀103和第二提升阀104的控制阀中,作为第一提升阀103的就座区域的第一受压区域S1,第二压力 作为第二提升阀104的就座区域的接收区域S2,作为第一压力检测部145的受压面积的第三受压面积S3和作为第二压力检测部145的受压面积的第四压力接收区域S4 压力感测部155大致相等。 因此,当每个提升阀被启动时,从流入和流出的流体接收的不平衡力全部被取消。