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    • 7. 发明授权
    • Fin-tube type heat exchanger
    • 翅片式换热器
    • US5360060A
    • 1994-11-01
    • US986702
    • 1992-12-08
    • Takeo TanakaToshio HatadaMasaaki ItohTakao SenshuNaoto KatsumataYoshihiko MochizukiHirokiyo TeradaMinetoshi IzushiMinoru SatoHiromi TsujiMakoto Nagai
    • Takeo TanakaToshio HatadaMasaaki ItohTakao SenshuNaoto KatsumataYoshihiko MochizukiHirokiyo TeradaMinetoshi IzushiMinoru SatoHiromi TsujiMakoto Nagai
    • F28F1/32F28D1/04
    • F28F1/325
    • A fin-tube type heat exchanger has parallel heat transfer tubes and a stack of a plurality of plate fins mounted on the tubes. Heat exchange is conducted between a first fluid flowing through the tubes and a second fluid flowing through the stack across each of the fins. Each fin has flat tube-mounting portions spaced in the longitudinal direction of the fin and formed with tube-mounting holes and a louver section disposed between each adjacent pair of tube-mounting portions. The louver section has elongated slats extending longitudinally of the fin and having side edges each spaced from an adjacent side edge of an adjacent slat. The slats are classified into two groups in respect of the cross-sectional shape. The slats of one group have generally flat cross-sections to reduce the resistance of the fin to the flow of the second fluid through the stack and are disposed in planes offset from the plane of the tube-mounting portions. The slats of the other group have V-shaped or inverted V-shaped cross-sections to increase stiffness of the fin in the longitudinal direction thereof.
    • 翅片管型热交换器具有平行的传热管和安装在管上的多个板翅片的堆叠。 在流过管的第一流体和跨过每个翅片流过堆叠的第二流体之间进行热交换。 每个翅片具有在翅片的纵向间隔开的扁平管安装部分,并且形成有管安装孔和布置在每个相邻的一对管安装部分之间的百叶窗部分。 百叶窗部分具有从翅片纵向延伸的细长板条,并且具有与相邻板条的相邻侧边缘间隔开的侧边缘。 板条在横截面形状上分为两组。 一组的板条具有大致平坦的横截面,以减小翅片对通过堆叠的第二流体的流动的阻力,并且设置在从管安装部分的平面偏移的平面中。 另一组的板条具有V形或倒V形横截面,以增加翅片在其纵向上的刚度。
    • 10. 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。