METHOD FOR MANUFACTURING COOLING UNIT

Title:

METHOD FOR MANUFACTURING COOLING UNIT

Document Type and Number:

WIPO Patent Application WO/2017/073021

Kind Code:

A1

Abstract:

A cooling plate (10) having a cross-section that is substantially a flat rectangle and manufactured from aluminum alloy containing 0.35 - 0.9% by mass Mg and 0.2 - 0.9% by mass Si, first and second refrigerant guide members (20, 30) connecting to an end part of the cooling plate (10) and manufactured from aluminum alloy, and a refrigerant supply pipe (26) and refrigerant discharge pipe (28) connected respectively to a refrigerant supply opening (25) and refrigerant discharge opening (27) provided on one of the first and second refrigerant guide members (20, 30) are heated and high-frequency brazed by a high-frequency heating coils at connection parts of the cooling plate (10), first and second refrigerant guide members (20, 30) and refrigerant supply pipe (26) and refrigerant discharge pipe (28) using aluminum alloy brazing filler metal formed from 27 - 37% by mass Cu and 5 - 10% by mass Si, with the remainder being Al and inevitable impurities, and a fluoride-based flux containing 11% by mass or more CsF as solid content.

Inventors:

HIRAYAMA TOMOYUKI (JP)
KIKUCHI YUICHI (JP)
AKIMOTO TATSUNORI (JP)
SEKI KAZUHITO (JP)
MOGI AKIHIRO (JP)
OTAKI TAKAO (JP)

Application Number:

PCT/JP2016/004519

Publication Date:

May 04, 2017

Filing Date:

October 07, 2016

Export Citation:

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Assignee:

NIPPON LIGHT METAL CO (JP)

International Classes:

B23K1/00; B23K1/002; B23K1/19; B23K35/28; B23K35/363; C22C21/00; C22F1/05; H01M10/613; H01M10/625; H01M10/651; H01M10/653; H01M10/6554; H01M10/6556; H01M10/6568; B23K101/14; B23K103/10; C22F1/00

Foreign References:

JPH1078295A	1998-03-24
JP2010185647A	2010-08-26
JP2015065091A	2015-04-09
JP2007083271A	2007-04-05
JPH05125502A	1993-05-21

Other References: