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    • 82. 发明授权
    • Control valve in variable displacement compressor and its assembling
method
    • 变排量压缩机中​​的控制阀及其组装方法
    • US5975859A
    • 1999-11-02
    • US10283
    • 1998-01-21
    • Masahiro KawaguchiKen SuitouTakuya OkunoEiji TokunagaKenji Takenaka
    • Masahiro KawaguchiKen SuitouTakuya OkunoEiji TokunagaKenji Takenaka
    • F04B27/18G05D16/20F04B49/00
    • F04B27/1804G05D16/2013
    • A control valve for a variable displacement compressor. The control valve has a valve body for regulating a gas passage. A bellows actuates the valve body in accordance with an operating pressure introduced to a pressure sensing chamber. A solenoid biases the valve body with a force based on the electric current supplied to the solenoid. A cylindrical cap is fitted to a cylindrical portion provided on a housing of the control valve. The bellows is located in the pressure sensing chamber. The axial position of the cap in relation to the cylindrical portion is adjusted such that the bellows is positioned at a specific initial position when a pressure having a predetermined magnitude is introduced to the pressure sensing chamber and when a current having a predetermined value is supplied to the solenoid. The cap is secured to the cylindrical portion by crimping with the bellows positioned at the initial position.
    • 一种用于可变排量压缩机的控制阀。 控制阀具有用于调节气体通道的阀体。 波纹管根据引入压力传感室的工作压力来致动阀体。 一个螺线管使用一个基于提供给螺线管的电流的力来对阀体进行偏压。 将圆筒形盖安装在设置在控制阀的壳体上的圆筒部上。 波纹管位于压力传感室中。 调整盖子相对于圆柱形部分的轴向位置,使得当具有预定大小的压力被引入压力感测室时,当具有预定值的电流被提供给 螺线管。 通过与位于初始位置的波纹管卷曲而将盖固定到圆柱形部分。
    • 85. 发明授权
    • Vehicular air-conditioner
    • 车用空调
    • US06705102B2
    • 2004-03-16
    • US10269787
    • 2002-10-11
    • Taku AdaniyaMasahiro KawaguchiTakahiro SuzukiMasaki OtaAkinobu KanaiMasanori Sonobe
    • Taku AdaniyaMasahiro KawaguchiTakahiro SuzukiMasaki OtaAkinobu KanaiMasanori Sonobe
    • F25B4900
    • F04B27/1804B60H1/3222F04B2027/1813F04B2027/1831F04B2027/185F04B2027/1854F04B2205/05
    • An air conditioning system for a vehicle that is driven by a vehicular power source. The system has a compressor selectively operable by the vehicular power source and an electric motor. The electric motor is used as a drive force of the compressor when the vehicular power source is in a non-operative state. The compressor compresses refrigerant gas introduced into a suction chamber from an external refrigerant circuit. A displacement of the compressor is variable, based on a differential pressure. The compressor has a control valve that is disposed on a refrigerant passage communicating with the crank chamber. The control valve has a valve plunger for changing an opening size of the control valve to adjust pressure in the crank chamber. The air conditioning system comprises pressure sensing member, actuator, and controller. The pressure sensing member is disposed in the control valve and applies biasing force to the plunger based on pressure in the external circuit. The biasing force is applied to cancel change of the pressure in the external circuit. The actuator is disposed in the control valve and applies reverse force against the biasing force to the plunger. The plunger is moved to increase the displacement by the reverse force. The controller controls the actuator to increase the reverse force in steps by a magnitude that is small enough that the electric motor is able to stably drive the compressor.
    • 一种由车辆电源驱动的车辆空调系统。 该系统具有通过车辆电源和电动机选择性地操作的压缩机。 当车辆电源处于非操作状态时,电动机用作压缩机的驱动力。 压缩机将从外部制冷剂回路引入吸入室的制冷剂气体压缩。 基于压差,压缩机的位移是可变的。 压缩机具有设置在与曲柄室连通的制冷剂通路上的控制阀。 控制阀具有用于改变控制阀的开口尺寸以调节曲柄室中的压力的​​阀柱塞。 空调系统包括压力传感构件,致动器和控制器。 压力感测部件设置在控制阀中,并且基于外部电路中的压力向柱塞施加偏压力。 施加偏压力以消除外部电路中的压力变化。 致动器设置在控制阀中,并且反作用力施加到柱塞上。 移动柱塞以通过反向力增加位移。 控制器控制致动器以逐步增加反向力,其量值足够小以使电动机能够稳定地驱动压缩机。
    • 86. 发明授权
    • Refrigerant circuit and compressor
    • 制冷回路和压缩机
    • US06227812B1
    • 2001-05-08
    • US09041583
    • 1998-03-12
    • Masahiro KawaguchiYoshihiro MakinoMasanori SonobeKoji Kawamura
    • Masahiro KawaguchiYoshihiro MakinoMasanori SonobeKoji Kawamura
    • F04B126
    • F04B27/1804F04B49/225F04B2027/1827F04B2027/1854F04B2027/1859F04B2201/1241F04B2207/03F25B1/02
    • A refrigerant circuit includes a compressor and an expansion valve. The expansion valve is connected to a discharge muffler of the compressor by a high pressure conduit. The expansion valve is also connected to a suction passage of the compressor by a low pressure conduit. The high pressure conduit includes a condenser and the low pressure conduit includes an evaporator. A check valve is located between the discharge muffler and the high pressure conduit to selectively connect and disconnect the high pressure conduit with the discharge muffler. A relief valve is attached to the discharge muffler upstream of the check valve. If the pressure in the compressor is abnormally high when the check valve closes, the relief valve releases the abnormally high pressure from the discharge muffler. Therefore, if the check valve fails to function, the relief valve prevents the pressure in the compressor from being abnormally high.
    • 制冷剂回路包括压缩机和膨胀阀。 膨胀阀通过高压管连接到压缩机的排放消声器。 膨胀阀还通过低压导管连接到压缩机的吸入通道。 高压导管包括冷凝器,低压导管包括蒸发器。 止回阀位于排气消声器和高压管道之间,以选择性地连接和断开高压管道与排放消声器。 安全阀安装在止回阀上游的排气消声器。 如果在止回阀关闭时压缩机的压力异常高,则溢流阀会从排气消声器释放异常高的压力。 因此,如果止回阀不起作用,则安全阀防止压缩机中的压力异常高。
    • 87. 发明授权
    • Oil mist filter in a variable displacement compressor
    • 可变排量压缩机中​​的油雾过滤器
    • US5882180A
    • 1999-03-16
    • US788459
    • 1997-01-28
    • Masahiro KawaguchiMasanori SonobeYoshihiro Makino
    • Masahiro KawaguchiMasanori SonobeYoshihiro Makino
    • F04B39/04F04B27/08F04B27/18F04B39/02F04B39/16F04B1/26
    • F04B27/1804F04B39/16F04B2027/1813F04B2027/1827F04B2027/1845
    • A compressor having a cam plate disposed in a crank chamber and mounted on a drive shaft. The cam plate is tiltable between a maximum inclined angle position and a minimum inclined angle position with respect to a plane perpendicular to an axis of the drive shaft according to a differential pressure in the crank chamber and in a cylinder bore. The cam plate varies the stroke of a piston based on an inclination thereof to control the displacement of the compressor. A supply passage connects a discharge chamber with the crank chamber to deliver the gas from the discharge chamber to the crank chamber. The supply passage has an inlet that is open in the discharge chamber. A control valve is disposed midway on the supply passage. The control valve adjusts the amount of the gas introduced into the crank chamber from the discharge chamber through the supply passage to control the pressure in the crank chamber. A filter is disposed at the inlet of the supply passage to filter the oil. The filter captures foreign matter mixed with the oil when the gas containing the oil is introduced into the supply passage from the discharge chamber.
    • 一种压缩机,其具有设置在曲柄室中并安装在驱动轴上的凸轮板。 凸轮板可以根据曲柄室中的压差和气缸孔中的相对于垂直于驱动轴的轴线的平面在最大倾斜角位置和最小倾斜角位置之间倾斜。 凸轮板基于其倾斜度改变活塞的冲程,以控制压缩机的排量。 供应通道将排出室与曲柄室连接,以将气体从排出室输送到曲柄室。 供给通道具有在排出室中敞开的入口。 控制阀设置在供给通道的中途。 控制阀通过供给通路调节从排出室引入曲柄室的气体量,以控制曲柄室内的压力。 过滤器设置在供给通道的入口处以过滤油。 当含有油的气体从排出室引入供给通道时,过滤器捕获与油混合的异物。