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    • 13. 发明授权
    • Method for joining heat exchanger tubes with headers
    • 将热交换器管与接头连接的方法
    • US5067235A
    • 1991-11-26
    • US519534
    • 1990-05-04
    • Hisataka KatoSatoshi Takahashi
    • Hisataka KatoSatoshi Takahashi
    • F28F9/18
    • F28F9/182Y10T29/49373Y10T29/49389Y10T29/4992
    • In a method for joining a plurality of heat exchanger flat tubes with headers of a heat exchanger: each of the opposite end portions of the flat tubes has a cross section provided with a major axis and a minor axis; opposite major axis side walls of the cross section of each of opposite end portions of each of the flat tubes are obliquely cut off so as to form each of opposite minor axis side walls of the cross section of the end portion of the flat tube into a trapezoidal shape; the end portion of the flat tube is passed through an elliptical hole formed in the header; the end portion of the flat tubes thus passed through the header is flared over its entire peripheral wall; the thus flared end portion of the flat tube is then bent so as to be formed into a bent portion of the flat tube, which bent portion constitutes an essential part of a joint formed between the flat tube and the header; and the thus formed joint is dipped into a molten filler metal bath to form brazed or soldered portions around the joint.
    • 在多个热交换器扁平管与热交换器的集管接合的方法中,扁平管的每个相对端部具有设置有长轴和短轴的横截面; 每个扁平管的每个相对端部的横截面的相对的长轴侧壁被倾斜地切除,以便将扁平管的端部的横截面的相对的短轴侧壁中的每一个形成为 梯形; 扁平管的端部穿过形成在集管中的椭圆形孔; 因此,通过集管的扁平管的端部在其整个周壁上被扩张; 然后将扁平管的这样扩口的端部弯曲成形成扁平管的弯曲部分,该弯曲部分构成形成在扁平管和集管之间的接头的主要部分; 并将如此形成的接头浸入熔融填充金属浴中,以在接头周围形成钎焊或焊接部分。
    • 14. 发明申请
    • MULTIPLE ELECTROMAGNETIC VALVE
    • 多电磁阀
    • US20120085953A1
    • 2012-04-12
    • US13243183
    • 2011-09-23
    • Hisataka KATO
    • Hisataka KATO
    • F16K31/02
    • F16K27/003F15B13/0842Y10T137/87885
    • A multiple electromagnetic valve includes a main valve portion in which four or more valve holes are formed parallel to each other inside a valve body, and a spool for switching flow paths is placed in each valve hole, and a pilot operating portion having solenoid-operated pilot valves that drive the spools with pilot fluid. The valve holes are disposed inside the valve body in two upper and lower tiers. A plurality of valve holes belongs in each of the upper tier and lower tier. The valve holes in the upper tier and the valve holes in the lower tier occupy different positions in the width direction of the valve body. The valve holes in the upper tier and the valve holes in the lower tier partially overlap each other in the plan view of the valve body.
    • 多重电磁阀包括主阀部分,其中在阀体内部彼此平行地形成有四个或更多个阀孔,并且用于切换流路的阀芯设置在每个阀孔中,并且具有电磁操作的先导操作部 先导阀驱动带有先导流体的阀芯。 阀孔设置在阀体内部的上下两层。 多个阀孔属于上层和下层中的每一个。 上层的阀孔和下层的阀孔在阀体的宽度方向上占据不同的位置。 上层的阀孔和下层的阀孔在阀体的平面图中部分重叠。