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    • 1. 发明授权
    • Heat exchanger
    • 热交换器
    • US06216776B1
    • 2001-04-17
    • US09245826
    • 1999-02-05
    • Osamu KobayashiKen YamamotoYoshiyuki YamauchiKazuhiro Mitsukawa
    • Osamu KobayashiKen YamamotoYoshiyuki YamauchiKazuhiro Mitsukawa
    • F28F904
    • F28D1/05383F28D1/05391F28D2021/0073F28F1/022F28F9/0212F28F9/0214F28F9/0224F28F9/0246F28F9/0251F28F9/0282F28F2255/08F28F2255/16F28F2265/16
    • A heat exchanger has plural flat tubes through which refrigerant flows, and a pair of header tanks disposed on each longitudinal ends of the flat tubes. Each of the flat tubes has a flow passage portion having plural flow passages through which refrigerant flows, and a non-flow passage portion disposed on both sides of the flow passage portion, having at least one non-flow passage through which no refrigerant flows. The flow passage portion is inserted into the header tank so that the flow passages communicate with the header tank, and the non-flow passage portion is exposed outside the header tank. Each of the flow passages has a circular-shaped cross-section while the non-flow passage has a polygonal-shaped cross-section, so that a wall thickness of the non-flow passage is made thinner than that of the flow passages. Therefore, weight of the flat tube is decreased, while sufficient strength thereof is maintained. On the other hand, the header tank has an inner partition wall for partitioning the header tank into first and second tank passages having an oval-shaped cross-section, so that the header tank has high pressure resistance.
    • 热交换器具有制冷剂流过的多个扁平管,以及设置在扁平管的每个纵向端上的一对集管箱。 每个扁平管具有流动通道部分,其具有多个制冷剂流动的流动通道,以及设置在流动通道部分两侧的非流动通道部分,其具有至少一个没有制冷剂流过的非流动通道。 流路部分插入集水箱,使得流路与集水箱连通,并且非流动通道部分暴露在集水箱外部。 每个流动通道具有圆形横截面,而非流动通道具有多边形横截面,使得非流动通道的壁厚比流动通道的壁厚更薄。 因此,扁平管的重量降低,同时保持其足够的强度。 另一方面,集水箱具有用于将集水箱分隔成具有椭圆形横截面的第一和第二箱通道的内分隔壁,使得集水箱具有高耐压性。
    • 4. 发明授权
    • Heat exchanger and method for manufacturing header tank
    • 热交换器和集水箱制造方法
    • US06176303B1
    • 2001-01-23
    • US09243361
    • 1999-02-01
    • Osamu KobayashiYoshiyuki YamauchiKen Yamamoto
    • Osamu KobayashiYoshiyuki YamauchiKen Yamamoto
    • F28F902
    • F28D1/05391B21C37/22B23P15/26F28F9/0212
    • A radiator includes a plurality of flat tubes in which refrigerant flows, corrugated fins each of which is disposed between adjacent the flat tubes, and a header tank disposed at both end sides of each flat tube in a longitudinal direction of the flat tubes. A plurality of insertion holes into which the flat tubes are inserted are formed in a tank portion of the header tank, and each of the insertion holes has a hole width approximately equal to a tank width of the header tank in a width direction perpendicular to both of the longitudinal direction of the flat tubes and an extending direction of the header tank. The tank portion of the header tank is integrally formed from extruding or drawing, and the insertion holes are formed by shaving the tank portion after the extruding or drawing. Thus, the insertion holes can be readily provided in the tank portion integrally formed from the extruding or the drawing, and pressure tightness and manufacturing workability of the header tank can be improved.
    • 散热器包括制冷剂流动的多个扁平管,每个扁平管设置在相邻的扁平管之间的波纹状散热片,以及设置在扁平管的纵向方向上的每个扁平管的两端侧的集水箱。 在集水箱的槽部形成有插入有扁平管的多个插入孔,并且每个插入孔的垂直于两者的宽度方向的孔宽度大致等于集水箱的槽宽度 的扁平管的纵向方向和集水箱的延伸方向。 集水箱的罐部分由挤压或拉伸一体形成,并且在挤出或拉伸之后通过剃刮罐部分形成插入孔。 因此,可以容易地将插入孔设置在从挤出或拉伸一体形成的罐部中,并且可以提高集水箱的压力密封性和制造加工性。
    • 5. 发明授权
    • Decompression device-integrated heat exchanger for refrigerant cycle
    • 用于制冷剂循环的减压装置集成热交换器
    • US06233969B1
    • 2001-05-22
    • US09457403
    • 1999-12-08
    • Yoshiyuki YamauchiKen YamamotoMinoru Ohta
    • Yoshiyuki YamauchiKen YamamotoMinoru Ohta
    • F25B4100
    • F25B40/00F25B9/008F25B41/062F25B2309/061F25B2500/18
    • In a decompression device-integrated heat exchanger, a pressure-reducing unit for reducing high-pressure refrigerant of a refrigerant cycle, and an inner heat-exchanging unit for performing heat-exchange between high-pressure refrigerant before being decompressed in the pressure-reducing unit and low-pressure refrigerant after being decompressed in the pressure reducing unit are integrated to each other. The inner heat-exchanging unit has a high-pressure tube through which high-pressure refrigerant flows, and a low-pressure tube through which low-pressure refrigerant flows. Both the tubes are wound around a case of the pressure-reducing unit, and are brazed to the case on contacting portions therebetween. Further, in each tube, wall thickness of the contacting portion is made thinner than that of the other portion. Thus, the decompression device-integrated heat exchanger has a reduced weight, while having a simple structure.
    • 在减压装置集成热交换器中,用于减少制冷剂循环的高压制冷剂的减压单元,以及用于在降压过程中在减压之前在高压制冷剂之间进行热交换的内部热交换单元 在减压单元中减压后的单元和低压制冷剂彼此一体化。 内部热交换单元具有高压制冷剂流过的高压管和低压制冷剂流过的低压管。 两个管缠绕在减压单元的外壳上,并且在它们之间的接触部分被钎焊到壳体上。 此外,在每个管中,使接触部的壁厚比其他部分的壁厚薄。 因此,减压装置集成式热交换器具有减轻的重量,同时具有简单的结构。
    • 8. 发明授权
    • Plate-type heat exchanger
    • 板式换热器
    • US4696342A
    • 1987-09-29
    • US877730
    • 1986-06-24
    • Yoshiyuki YamauchiToshio OharaToshio Takahashi
    • Yoshiyuki YamauchiToshio OharaToshio Takahashi
    • F28D1/03F28F3/04F28D1/02
    • F28F3/042F28D1/0341Y10S165/467Y10S165/906
    • A plate-type heat exchanger comprises a stack of flat fluid flow tubes each composed of a pair of confronting core plates joined to each other and defining a fluid flow pass therebetween, each of the core plates having an inlet hole for introducing a fluid into the fluid flow pass and an outlet hole for discharging the fluid from the fluid flow pass. Each core plate has a plurality of ribs on an inner wall surface thereof, the ribs on one of the pair of plates being held in contact with the confronting ribs on the other core plate. The ribs are present in the fluid flow pass between the joined core plates in every direction along the inner wall surface of each of the core plates. The fluid flow pass does not have any fluid passage free of ribs. Therefore, the heat exchanger has improved heat transfer efficiency, and the fluid flow tube is mechanically strong or highly resistant to pressure.
    • 板式热交换器包括一堆扁平的流体流动管,每个由相互连接的一对相对的芯板构成,并且在它们之间限定流体流动通道,每个芯板具有用于将流体引入 流体流动通道和用于从流体流动通道排放流体的出口孔。 每个芯板在其内壁表面上具有多个肋,所述一对板中的一个板上的肋与另一个芯板上的相对的肋保持接触。 在每个芯板的内壁表面的每个方向上,肋在连接的芯板之间的流体流动通道中存在。 流体流动通道没有任何没有肋的流体通道。 因此,热交换器具有提高的传热效率,并且流体流动管机械强度或高度耐压力。