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    • 2. 发明授权
    • Refrigeration system
    • 制冷系统
    • US4562700A
    • 1986-01-07
    • US621372
    • 1984-06-18
    • Akira AtsumiTakao SenshuKensaku OguniHirokiyo TeradaKazuo Yoshioka
    • Akira AtsumiTakao SenshuKensaku OguniHirokiyo TeradaKazuo Yoshioka
    • F25B1/00F25B13/00F25B41/00
    • F25B13/00F25B41/00F25B2400/13F25B2400/23F25B2600/2509
    • A refrigeration system suitable for use in an air conditioner has a main refrigerant circuit including a compressor, a condenser, a first pressure reducer, a gas-liquid separator, a second pressure reducer and an evaporator connected in series to form a closed loop, and a gas injection passage providing a communication between the gaseous phase part of the gas-liquid separator and a compression chamber of the compressor. A stop valve is disposed in the inlet and outlet pipes of the gas-liquid separator, and a bypass passage is provided for connecting directly the outlet pipe of the condenser to the inlet pipe of the evaporator to bypass the gas-liquid separator. The stop valve is adapted to be controlled such that, when the gas injection to the compressor through the gas injection passage is not conducted, the refrigerant flows through the bypass passage bypassing the gas-liquid separator, while the gas-liquid separator functions as a receiver for adjusting the amount of refrigerant circulated in the main refrigerant circuit.
    • 适用于空调的制冷系统具有包括压缩机,冷凝器,第一减压器,气液分离器,第二减压器和串联连接的蒸发器的主制冷剂回路,形成闭环,以及 气体注入通道,其提供气液分离器的气相部分和压缩机的压缩室之间的连通。 在气液分离器的入口管和出口管中设置有截止阀,并且设置旁通通道,用于将冷凝器的出口管直接连接到蒸发器的入口管以绕过气液分离器。 所述截止阀适于被控制,使得当通过所述气体注入通道向所述压缩机喷射的气体不被传导时,所述制冷剂流过绕过所述气液分离器的所述旁路通路,而所述气液分离器用作 接收器,用于调节在主制冷剂回路中循环的制冷剂的量。
    • 3. 发明授权
    • Refrigerating apparatus having a gas injection path
    • 具有气体注入路径的制冷装置
    • US4517811A
    • 1985-05-21
    • US548520
    • 1983-11-03
    • Akira AtsumiKensaku OguniShigeaki KurodaTakao SenshuKazuo Yoshioka
    • Akira AtsumiKensaku OguniShigeaki KurodaTakao SenshuKazuo Yoshioka
    • F25B1/00F25B41/00F25B41/06F25B41/04
    • F25B41/06F25B41/00F25B2400/13F25B2400/23F25B2600/2509F25B2700/1931
    • A refrigerating apparatus including a refrigerant circuit constituted by a compressor, a condenser, a first expansion device, a gas-liquid separator, a second expansion device and an evaporator which are successively connected. An injection path interconnects an upper part of the gas-liquid separator and a cylinder of the compressor during the compression stroke thereof. An auxiliary path is formed by connecting a solenoid valve closed in the normal operation and an auxiliary expansion device, with the auxiliary path being provided between the gas-liquid separator and the evaporator so as to be parallel to the second expansion device, and connected to the gas-liquid separator at a position higher than the connecting position of the second expansion device to the gas-liquid separator. The solenoid valve is opened when the load on the refrigerating apparatus increases. A main flow path resistance member may be provided in the injection path, and a further path formed by connecting an injection solenoid valve for injection, open during the normal operation and an auxiliary flow path resistance member together with the further path being connected in parallel to the main flow path resistance member. The injection solenoid valve is closed when the load on the refrigerating apparatus increases.
    • 包括由连续地连接的压缩机,冷凝器,第一膨胀装置,气液分离器,第二膨胀装置和蒸发器构成的制冷剂回路的制冷装置。 在其压缩冲程期间,注入路径将气液分离器的上部与压缩机的气缸相互连接。 通过连接在正常操作中关闭的电磁阀和辅助膨胀装置来形成辅助通路,辅助通路设置在气液分离器和蒸发器之间,以平行于第二膨胀装置,并且连接到 气液分离器位于高于第二膨胀装置与气液分离器的连接位置的位置。 当制冷装置上的负载增加时,电磁阀打开。 主流路阻力构件可以设置在喷射路径中,并且通过将正常操作期间的喷射注入电磁阀连接打开而形成的另一路径与辅助流路阻力构件连同另外的路径并联连接 主流路阻力构件。 当制冷装置上的负载增加时,喷射电磁阀关闭。