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热词
    • 4. 发明公开
    • Control valve for a variable displacement swash plate compressor
    • 控制阀用于变量斜盘压缩机
    • EP1179680A2
    • 2002-02-13
    • EP01119036.0
    • 2001-08-07
    • Kabushiki Kaisha Toyota Jidoshokki
    • Mera, MioruMizutani, HidekiKimura, KazuyaKawaguchi, MasahiroImanishi, TakeshiKayukawa, Hiroaki
    • F04B27/18
    • F04B27/1804F04B2027/1813F04B2027/1827F04B2027/1831F04B2027/1859Y10T137/87499Y10T137/87507
    • A control valve is used in connection with a variable displacement compressor that varies the discharge capacity by controlling an inclination of a cam plate located in a crank chamber. The inclination of the cam plate is variable based on crank chamber pressure caused by refrigerant in the crank chamber. Monitor pressure is monitored at a predetermined point in a refrigerant circuit for causing a change in the crank chamber pressure and ultimately varying the discharge capacity. The control valve has a housing, an internal control valve mechanism and an external control valve mechanism. The internal control valve mechanism is located inside the valve housing and has a first valve body and a first reacting member. The first reacting member is connected to the first valve body for reacting to the monitor pressure to cause a change in the crank chamber pressure. The external control valve mechanism is located inside the valve housing and has a second valve body and a second reacting member. The second reacting member is for reacting to an external signal to cause the second valve body to change in the crank chamber pressure. The internal control valve mechanism and the external control valve mechanism operate independently with each other.
    • 控制阀与通过控制位于曲轴室中的凸轮板的倾斜而改变排量的可变排量压缩机结合使用。 基于曲轴室中由制冷剂引起的曲轴室压力,凸轮板的倾斜度是可变的。 监视压力在制冷剂回路中的预定点处被监测,以引起曲轴室压力的变化并且最终改变排出容量。 控制阀具有壳体,内部控制阀机构和外部控制阀机构。 内部控制阀机构位于阀壳体内并具有第一阀体和第一反作用构件。 第一反作用构件连接到第一阀体上,以对监测压力作出反应以引起曲轴室压力的变化。 外部控制阀机构位于阀壳体内并具有第二阀体和第二反作用构件。 第二反作用部件用于对外部信号作出反应以使第二阀体改变曲轴室压力。 内部控制阀机构和外部控制阀机构相互独立工作。