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公开(公告)号:US07278473B2
公开(公告)日:2007-10-09
申请号:US10518590
申请日:2003-06-23
IPC分类号: F28F9/02
CPC分类号: F01N3/0205 , F01N3/043 , F01N5/02 , F01N2450/22 , F28D7/1653 , F28D7/1684 , F28D21/0003 , F28F9/0219 , Y02T10/16 , Y02T10/20 , Y10T29/49373
摘要: The invention relates to an exhaust gas heat exchanger for motor vehicles, comprising a cluster of exhaust pipes (10) which are soldered on the front surface thereof to pipe bottoms, and a housing jacket (3, 3b) which is welded to the pipe bottoms (7). According to the invention, the pipe bottoms are welded to the housing jacket (3b) by means of peripheral welds (11).
摘要翻译: 本发明涉及一种用于机动车辆的排气热交换器,包括一排排气管(10),其排出管前端表面焊接到管底部;以及壳体套(3,3b),其被焊接到管 底部(7)。 根据本发明,通过外围焊缝(11)将管底焊接到壳体护套(3b)上。