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1. 发明申请

WO1995008089A1 ALUMINUM HEAT EXCHANGER 审中-公开
标题翻译：铝热交换器
公开(公告)号：WO1995008089A1
公开(公告)日：1995-03-23
申请号：PCT/JP1994001534
申请日：1994-09-16
申请人： NIPPONDENSO CO., LTD. , FUKUOKA, Mikio , AKI, Yoshifumi , MORISHITA, Ryuzi
发明人： NIPPONDENSO CO., LTD.
IPC分类号： F28F09/00
CPC分类号： B23K1/0012 , B23K1/20 , B23K2101/14 , B23K2103/10 , F28F9/001 , F28F19/06 , F28F2275/122 , Y10T29/4935
摘要： An aluminum heat exchanger (1) with improved productivity and reduced production costs is provided by such a construction that its core portion can be self-supported without using any supporting tool during a brazing operation, comprising a core portion (13) comprising in turn aluminum tubes (2) and corrugated fins (5) which are laminated in a plurality of layers, ends of the tubes (2) being inserted into sheet metals (8, 12) and inserts (14) of highly strong iron or stainless steel inserted in U-shaped folded-back portions (18, 19) of the sheet metals (8, 17) while being kept in abutment with outermost-row corrugated fins (5), whereby the plurality of tubes (2) and corrugated fins (5) are pressed against each other from the both sides of the core portion (13) by means of the two inserts (14), thereby preventing the corrugated fins (5) from coming off during a brazing operation.
摘要翻译：通过这样的结构提供了具有提高的生产率和降低生产成本的铝热交换器（1），即，在钎焊操作期间，其核心部分可以自支撑而不使用任何支撑工具，其包括芯部（13），其还包括铝管（2）和波纹状散热片（5），层叠在多层中，管（2）的端部插入金属片（8,12）中，插入高强度铁或不锈钢的插入件（14）钣金（8,17）的U形折回部分（18,19）同时保持与最外面的波纹状散热片（5）邻接，由此多个管（2）和波纹状散热片（5）通过两个插入件（14）从芯部（13）的两侧彼此挤压，从而防止波纹状散热片（5）在钎焊操作期间脱落。

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