EP 1163484 B1 20050126 - COLLECTOR TUBE FOR A HEAT TRANSFER UNIT AND METHOD FOR PRODUCING SAME
Title (en)
COLLECTOR TUBE FOR A HEAT TRANSFER UNIT AND METHOD FOR PRODUCING SAME
Title (de)
SAMMELROHR FÜR EINEN WÄRMEÜBERTRAGER UND HERSTELLUNGSVERFAHREN HIERFÜR
Title (fr)
TUBE COLLECTEUR POUR ECHANGEUR DE CHALEUR ET SON PROCEDE DE FABRICATION
Publication
Application
Priority
- DE 19911334 A 19990315
- EP 0001681 W 20000229
Abstract (en)
[origin: US6993838B1] The invention relates to a collector tube ( 1 ) for a heat transfer unit. The tube comprises one or several slits ( 3 d) on the periphery thereof, whereby said slits are formed by a punch press without an inner die or by high-pressure shaping for inserting a respective flat tube. The invention also relates to a method for producing said collector tube ( 1 ). According to the invention, a collector tube ( 1 ) is provided with an outer radius (D/2) to tube wall thickness (s) ratio of less than 5. The slits ( 3 d) are introduced preferably parallel to, or at an acute 2 angle to the longitudinal axis of the tube. The collection tube can be produced by bending a flat material and subsequently sealing the longitudinal slits arising from the bending process by soldering or welding. Said collector tube can be used, e.g. for gas coolers and evaporators for CO<SUB>2 </SUB>air conditioning systems in motor vehicles.
IPC 1-7
IPC 8 full level
B21D 28/28 (2006.01); B21D 53/02 (2006.01); B21D 53/06 (2006.01); B23K 1/00 (2006.01); B23K 1/20 (2006.01); F28F 9/02 (2006.01); F28F 9/16 (2006.01); F28F 9/18 (2006.01); F28D 1/053 (2006.01); F28F 1/02 (2006.01)
CPC (source: EP US)
B21D 53/02 (2013.01 - EP US); F28F 9/0214 (2013.01 - EP US); F28F 9/0243 (2013.01 - EP US); F28F 9/182 (2013.01 - EP US); F28D 1/05366 (2013.01 - EP US); F28F 1/025 (2013.01 - EP US); Y10T 29/49373 (2015.01 - EP US); Y10T 29/49389 (2015.01 - EP US)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
US 6993838 B1 20060207; AT E288067 T1 20050215; AU 4103000 A 20001004; DE 19911334 A1 20000921; DE 50009360 D1 20050303; EP 1163484 A1 20011219; EP 1163484 B1 20050126; ES 2237418 T3 20050801; JP 2002539417 A 20021119; WO 0055561 A1 20000921
DOCDB simple family (application)
US 93656701 A 20011206; AT 00920454 T 20000229; AU 4103000 A 20000229; DE 19911334 A 19990315; DE 50009360 T 20000229; EP 0001681 W 20000229; EP 00920454 A 20000229; ES 00920454 T 20000229; JP 2000605149 A 20000229