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    • 141. 发明申请
    • Tube for heat exchanger
    • 管换热器
    • US20050247444A1
    • 2005-11-10
    • US10520404
    • 2003-06-25
    • Hajime OhataJun AkaikeNaoto TakayanagiShoji AkiyamaYoshihisa Eto
    • Hajime OhataJun AkaikeNaoto TakayanagiShoji AkiyamaYoshihisa Eto
    • F28D1/03F28D1/053F28F3/02F28F9/02F28F1/00
    • F28D1/05391F28D1/0391F28F3/025F28F9/0202F28F9/0224Y10T29/49391
    • In a tube (4) for a heat exchanger comprising a flat pipe (16) whose both ends are opened and in which a flow path (15) for a heat exchanging medium is formed, and an inner fin (17) arranged in the flow path (15), wherein said flat pipe (16) is constituted of a sheet of material for a flat pipe, the inner fin is constituted of two opposing flat plate portions (17b, 17c) connected along one of side edges of said flat pipe (16) and formed in a flat plate shape so as to be in contact with an inner surface of the said flat pipe (16), and projection portions (17d) which are projected from at least one of the flat plate portions (17b, 17c) and whose tops are in contact with the other opposing flat plate portion (17b, 17c). It is preferred that the projection portions (17d) are projected from both of the flat plate portions (17b, 17c) toward the opposing flat plate portion, and the opposing tops are made come in contact with each other. The tube for a heat exchanger which can prevent significant deformation of the inner fin from occurring when the inner fin included in the flat pipe is cut in a width direction thereof together with the flat pipe can be provided.
    • 在一种用于热交换器的管(4)中,该管(4)包括一个扁平管(16),其两端开口,其中形成有用于热交换介质的流路(15)和布置在流体中的内翅片 路径(15),其中所述扁平管(16)由用于扁平管的材料片构成,所述内翅片由两个相对的平板部分(17b,17c)构成,所述相对的平板部分(17b,17c)沿着所述 扁平管16形成为与所述扁平管16的内表面接触的平板形状,以及从所述平板部中的至少一个突出的突出部(17d) (17b,17c),并且其顶部与另一个相对的平板部分(17b,17c)接触。 优选的是,突出部分(17d)从两个平板部分(17b,17c)朝向相对的平板部分突出,并使相对的顶部彼此接触。 可以提供一种热交换器用管,其能够防止在包含在扁平管内的内翅片与扁平管一起在其宽度方向上切断内翅片的显着变形。
    • 144. 发明授权
    • Tube for heat exchangers and method of manufacturing same
    • 热交换器用管及其制造方法
    • US06467170B2
    • 2002-10-22
    • US09463190
    • 2000-01-21
    • Soichi KatoMuneo SakuradaShin KuriharaSadao HaiyaTakashi SugitaShoji AkiyamaTakahumi Umehara
    • Soichi KatoMuneo SakuradaShin KuriharaSadao HaiyaTakashi SugitaShoji AkiyamaTakahumi Umehara
    • B23P1526
    • F28D1/0391Y10T29/49384Y10T29/49391
    • A tube for a heat exchanger which is formed to have beads for dividing passages for a medium in the tube by roll forming, wherein base portions of the beads are formed to have a thickness (B) greater than a thickness of a plate material for the tube. The roll forming has a first step of sequentially bending the plate to have a depressed shape to form portions-to-be-bead which are to be intermediate forms of the beads, a second step of performing a width drawing of the portions-to-be-bead and a third step of compressing the portions-to-be-bead, after the second step, in a direction of the height of the beads, wherein a width (w′) of the depressions of the portions-to-be-bead (21a) in the first step is larger than a width (w) of depressions of beads (21) after forming, and a height (h′) of portions-to-be-bead (21b) after the second step is determined to be higher than a height (h) of the beads (21) after forming. Thus, the tube for a heat exchanger having a pressure resistance of the base portions of the beads improved and a method for producing the tube for a heat exchanger which can decrease an uneven thickness of the plate when the beads are formed are obtained.
    • 一种用于热交换器的管,其形成为具有用于通过辊轧成型在管中分配用于介质的通道的珠,其中,所述珠的基部形成为具有大于所述板的材料的厚度的厚度(B) 管。 辊成型具有顺序地弯曲板以具有凹陷形状以形成为珠的中间形式的部分珠的第一步骤,第二步是进行部分 - 并且在第二步骤之后,在珠的高度方向上压缩部分待珠的第三步骤,其中待部分的凹陷的宽度(w')为 第一步骤中的胎圈(21a)大于成形后的胎圈(21)的凹部的宽度(w),第二工序后的部分胎圈(21b)的高度(h')为 确定为高于成形后的珠粒(21)的高度(h)。 因此,获得了具有小珠基部的耐压性的热交换器的管,并且获得了当形成珠时能够减小板的不均匀厚度的用于热交换器的管的制造方法。
    • 146. 发明授权
    • Brazing method
    • 钎焊法
    • US5857367A
    • 1999-01-12
    • US761383
    • 1996-12-09
    • Shoji Akiyama
    • Shoji Akiyama
    • B23K1/00B23K1/19B23K1/20B23K3/00B23K35/363F28D1/03B21D5/14
    • B23K1/203F28D1/0391B23K2203/10
    • In a brazing method, a flux-mixed liquid is prepared by mixing a brazing flux with a quick-drying oil. The flux-mixed liquid, when it is spread to an aluminum or aluminum alloy work, fixes the brazing flux to the work by a quick-drying character of the quick-drying oil within a short time. Also, in the brazing method, the flux-mixed liquid is prepared by mixing the brazing flux with an aqueous solution in which a solid lubricant is melted in water. The solid lubricant melts in water at or above a prescribed temperature, and forms a film when the temperature is below the prescribed temperature. The flux-mixed liquid, when it is spread to the work, immediately forms the film due to a drop in temperature below the prescribed temperature and fixes the brazing flux to the work by the film within a short time.
    • 在钎焊方法中,通过将钎焊助熔剂与快干油混合来制备助熔剂混合液。 助熔剂混合液在扩散到铝或铝合金工件时,可以在短时间内通过快干油的快干特性将钎焊剂固定在工件上。 此外,在钎焊方法中,通过将钎焊助熔剂与其中固体润滑剂在水中熔融的水溶液混合来制备助熔剂混合液。 固体润滑剂在规定温度以上的水中熔融,当温度低于规定温度时,形成膜。 助熔剂混合液体在扩散到工件时,由于温度低于预定温度而立即形成膜,并在短时间内将薄膜固定在工件上。