Global Patent Index - EP 1089047 A2

EP 1089047 A2 2001-04-04 - Tube for heat exchanger

Title (en)

Tube for heat exchanger

Title (de)

Rohr für Wärmetauscher

Title (fr)

Tube pour échangeur de chaleur

Publication

EP 1089047 A2 (FR)

Application

EP 00402627 A

Priority

US 40901999 A

Abstract (en)

The method comprises forming an inner wall (17) of the double wall, the inner wall extending in one direction to one extremity region, the inner wall extending in a further direction opposite the one direction to one of the opposing sides via a transition region; forming an outer wall of the double wall, the outer wall extending in the one direction to the other of the opposing sides, the outer wall extending in the further direction to a further extremity region. The transition region accommodates the further extremity region and the first extremity region deviates away from the outer wall. Independent claims are included for a tube for a heat exchanger.

Abstract (fr)

Un tube pour un échangeur de chaleur a une section transversale ayant deux parois latérales opposées (11 et 12) et deux extrémités opposées (13 et 14). Les extrémités ont des parties courbes et une (13) des extrémités a une double paroi comprenant une paroi intérieure (17) et une paroi extérieure (16). Une (11) de ces parois latérales s'étend pour former la paroi extérieure (16) et l'autre (12) s'étend pour former la paroi intérieure (17). Chacune des parois extérieure (16) et intérieure (17) a une extrémité respective, la paroi intérieure (17) étant déportée vers l'intérieur dans une région (30) pour recevoir l'extrémité de la paroi extérieure (16), et l'extrémité (31) de la paroi intérieure (17) s'écartant de la paroi extérieure (16). <IMAGE>

IPC 1-7 (main, further and additional classification)

F28D 1/03

IPC 8 full level (invention and additional information)

F28F 1/02 (2006.01); B21C 37/08 (2006.01); B21C 37/15 (2006.01); B21D 53/04 (2006.01); B23K 1/00 (2006.01); F28D 1/03 (2006.01); B23K 101/14 (2006.01)

CPC (invention and additional information)

B21C 37/151 (2013.01); B21C 37/0803 (2013.01); B21C 37/155 (2013.01); F28D 1/0391 (2013.01); Y10T 29/49384 (2013.01); Y10T 29/49391 (2013.01); Y10T 29/49393 (2013.01)

Citation (applicant)

US 1937343 A 19331128 - HIGGINS CLIFFORD B

Designated contracting state (EPC)

DE ES FR GB IT SE

EPO simple patent family

EP 1089047 A2 20010404; EP 1089047 A3 20010509; EP 1089047 B1 20040506; BR 0004520 A 20011016; DE 60010397 D1 20040609; DE 60010397 T2 20050512; JP 2001137989 A 20010522; PL 342867 A1 20010409; US 6192977 B1 20010227

INPADOC legal status


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