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    • 1. 发明授权
    • Control valve for variable displacement compressor
    • 变排量压缩机控制阀
    • US06334759B1
    • 2002-01-01
    • US09565076
    • 2000-05-04
    • Morio KanekoIchiro OhkawaraMasaki OtaKen SuitoMasanori SonobeTomoji Tarutani
    • Morio KanekoIchiro OhkawaraMasaki OtaKen SuitoMasanori SonobeTomoji Tarutani
    • F04B1704
    • F04B27/1804F04B2027/1813F04B2027/1827F04B2027/1831F04B2027/185F04B2027/1859
    • A valve housing of the control valve has a communication passage communicating a suction port of the compressor with a crank chamber of the compressor. A main valve is provided in the valve housing for opening and closing the communication passage. A spring member resiliently biases the main valve toward its closed position. A pressure actuated unit moves the main valve toward the open position by receiving a suction pressure of the compressor. A flow adjustment valve is disposed in the valve housing for adjusting an open degree of a leak passage and receives the discharge pressure exerting a force on the flow adjustment valve toward its closed position. The flow adjustment valve increases a leak flow rate of a fluid flowing from a discharge port of the compressor to a crank chamber through a leak passage when the compressor provides a lower discharge pressure. A correction spring is disposed between the main valve and the flow adjustment valve. The correction spring resiliently biases a valve element of the main valve toward the open position and increases in spring force with transfer of a valve element of the flow adjustment valve toward its closed position.
    • 控制阀的阀壳具有将压缩机的吸入口与压缩机的曲轴室连通的连通通道。 主阀设置在阀壳体中,用于打开和关闭连通通道。 弹簧构件将主阀弹性偏压到其关闭位置。 压力致动单元通过接收压缩机的吸入压力将主阀移动到打开位置。 流量调节阀设置在阀壳体中,用于调节泄漏通道的开度,并将流量调节阀上的压力接收到其关闭位置。 当压缩机提供较低的排出压力时,流量调节阀增加了从压缩机的排出口流向曲轴室的流体的泄漏流量。 校正弹簧设置在主阀和流量调节阀之间。 校正弹簧将主阀的阀元件弹性地偏压到打开位置,并且通过将流量调节阀的阀元件转移到其关闭位置而增加弹簧力。
    • 4. 发明授权
    • Control valve in variable displacement compressor
    • 变排量压缩机中​​的控制阀
    • US5890876A
    • 1999-04-06
    • US829640
    • 1997-03-31
    • Ken SuitoMasahiro KawaguchiHiroshi KuboTomohiko YokonoNorio UemuraKazuaki NagayoshiIchiro HirataKouji Watanabe
    • Ken SuitoMasahiro KawaguchiHiroshi KuboTomohiko YokonoNorio UemuraKazuaki NagayoshiIchiro HirataKouji Watanabe
    • F04B49/06F04B27/08F04B27/14F04B27/18F04B49/00
    • F04B27/1804F04B2027/1813F04B2027/1827F04B2027/1854F04B2027/1859Y10S137/907
    • A control valve in a compressor that adjusts the discharge displacement based on controlling of an inclination of a cam plate. The compressor includes a supply passage for connecting a discharge chamber with a crank chamber. The control valve is placed midway on the supply passage for adjusting the amount of the gas introduced into the crank chamber from the discharge chamber. The control valve has a valve hole and a valve chamber respectively disposed midway on the supply passage. A valve body is located in the valve chamber to adjust the opening size of the valve hole. A reacting member reacts to the pressure in the first area. The reacting member moves the valve body via a first rod in accordance with the pressure in the first area. A solenoid is opposed to the reacting member with respect to the valve body. The solenoid has a fixed core, a plunger and a plunger chamber. Electric current sent to the solenoid produces a magnetic attractive force between the core and the plunger in accordance with a magnitude of the current. A second rod is placed between the plunger and the valve body to urge the valve body by the magnetic attractive force. The discharge chamber is connected with the valve chamber. The crank chamber is connected with the valve hole and the plunger chamber.
    • 一种压缩机中的控制阀,其基于对凸轮板的倾斜度的控制来调节排出位移。 压缩机包括用于将排出室与曲轴室连接的供给通道。 控制阀位于供给通道的中途,用于调节从排出室引入曲柄室的气体的量。 控制阀具有分别设置在供给通道中途的阀孔和阀室。 阀体位于阀室中以调节阀孔的开口尺寸。 反应构件与第一区域中的压力反应。 反应构件根据第一区域中的压力经由第一杆移动阀体。 螺线管相对于阀体与反作用件相对。 螺线管具有固定芯,柱塞和柱塞室。 发送到螺线管的电流根据电流的大小在芯和柱塞之间产生磁吸引力。 第二杆被放置在柱塞和阀体之间,以通过磁力吸引力推动阀体。 排放室与阀室连接。 曲柄室与阀孔和柱塞室连接。