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    • 1. 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。
    • 6. 发明授权
    • Air-conditioner system
    • 空调系统
    • US5065588A
    • 1991-11-19
    • US564608
    • 1990-08-09
    • Susumu NakayamaKensaku OguniHiromu YasudaRumi MinakataKazumoto UrataMasatoshi MuramatsuKenji TokusaTakao SenshuHirokiyo TeradaFumihiko Kitani
    • Susumu NakayamaKensaku OguniHiromu YasudaRumi MinakataKazumoto UrataMasatoshi MuramatsuKenji TokusaTakao SenshuHirokiyo TeradaFumihiko Kitani
    • F24F3/06F25B13/00F25B41/04
    • F25B41/04F24F3/065F25B13/00F25B2313/023F25B2313/025F25B2313/02741F25B2313/02743F25B2313/02791
    • An air-conditioner system having a compressor, a plurality of heat exchangers for heating or cooling the air in a room, a radiator for transferring heat energy of refrigerant outside of the room, a plurality of orifices, a manifold with a main port and a plurality of sub-ports, flow direction control multi-port valves directing the flow of the refrigerant from the compressor to the main port and not from the main port to the compressor when at least one of the heat-exchangers is heating the room. The refrigerant does not flow from the compressor to the radiator when at least one of the heat exchangers is heating and none of the heat exchangers is cooling. Also, it does not flow from the compressor to the main port but flows instead from the compressor to the radiator and from the main port to the compressor when none of the heat exchangers is heating and at least one of the heat exchangers is cooling. The system also employs a plurality of valve pairs each of which having a first valve and second valve such that the first valve opens (closes) when the second valve closes (opens). The first valves are arranged for providing flow of refrigerant to the inlet of the compressor from the heat exchangers and the second valves provide flow of refrigerant from the outlet port of the compressor to the respective heat exchanger first ports via the sub-ports of the manifold.
    • 一种具有压缩机,多个用于加热或冷却房间中的空气的热交换器的空调系统,用于将制冷剂外部的热能传递到室外的散热器,多个孔,具有主端口的歧管和 多个子端口,流动方向控制多端口阀,当至少一个热交换器加热房间时,将制冷剂从压缩机流向主端口,而不是从主端口流向压缩机。 当至少一个热交换器加热并且没有热交换器冷却时,制冷剂不会从压缩机流到散热器。 此外,当没有热交换器被加热并且至少一个热交换器被冷却时,其不从压缩机流向主端口,而是从压缩机流到散热器,并且从主端口流到压缩机。 该系统还采用多个阀对,每个阀对具有第一阀和第二阀,使得当第二阀关闭(打开)时第一阀打开(关闭)。 第一阀被布置成用于从热交换器向制冷剂的入口提供制冷剂流,并且第二阀提供制冷剂从压缩机的出口流到相应的热交换器第一端口,经由歧管的子端口 。
    • 7. 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。
    • 9. 发明授权
    • Cross-fin tube type heat exchanger
    • 横管式换热器
    • US4300629A
    • 1981-11-17
    • US50455
    • 1979-06-20
    • Toshio HatadaTakao SenshuAkira AraiFumio HaradaAtsushi MatsuzakiHajime FutawatariYutaka ImaizumiSumiyoshi Takeda
    • Toshio HatadaTakao SenshuAkira AraiFumio HaradaAtsushi MatsuzakiHajime FutawatariYutaka ImaizumiSumiyoshi Takeda
    • F28F1/32F28F1/38
    • F28F1/325F28F2250/02Y10S165/503
    • A cross-fin tube type heat exchanger having a large number of parallel fins and a plurality of heat transfer tubes extended through and fixed to the fins, so that heat may be exchanged between a first heat exchanging medium flowing through the heat transfer tubes and a second heat exchanging medium flowing along the surfaces of the fin, across the walls of the heat transfer tubes and through the fins. In the portions of each fin between adjacent heat transfer tubes of the same row, formed are a number of slits perpendicular to the direction of flow of the second heat exchanging medium. Each elongated section defined between each pair of adjacent slits is bent along its breadthwise bisector line and is raised in the form of a bridge to constitute an upwardly convexed louver element. The upwardly convexed louver element may have a cross section with an obtuse apex angle, or may have an arcuate cross section. The successive louver elements are arrayed in the direction of flow of the second heat exchanging medium in a manner of corrugation, or alternately staggered in the heightwise direction so that the edges of adjacent louver elements may be staggered in the heightwise direction. The fins having louver elements thus constructed cause a turbulency of the flow of the second heat exchanging medium to effectively prevent boundary layers of the latter from growing, thereby to ensure a higher efficiency of the heat exchange. Also increased stiffness or rigidity of the fin is obtained thanks to the provision of upwardly convexed louver elements.
    • 一种具有大量平行翅片和多个传热管的交叉翅片管型热交换器,其延伸并固定在翅片上,使得热量可以在流过传热管的第一热交换介质和 第二热交换介质沿着翅片的表面流动,穿过传热管的壁并且通过翅片。 在相邻行的相邻传热管之间的每个翅片的部分形成有垂直于第二热交换介质的流动方向的多个狭缝。 限定在每对相邻狭缝之间的每个细长部分沿着其宽度方向的平分线弯曲并且以桥的形式被升高以构成向上凸起的百叶窗元件。 向上凸起的百叶窗元件可以具有钝角顶角的横截面,或者可以具有弓形横截面。 连续的百叶窗元件以波纹的方式在第二热交换介质的流动方向上排列,或者在高度方向上交错排列,使得相邻百叶窗元件的边缘可能在高度方向上交错。 具有如此构造的百叶窗元件的翅片导致第二热交换介质的流动的湍流,以有效地防止后者的边界层生长,从而确保更高的热交换效率。 由于提供了向上凸起的百叶窗元件,还获得了翅片的增加的刚度或刚度。