EP 1608928 A1 20051228 - METHOD FOR PROVIDING FLAT TUBE DESIGNS FOR AN AUTOMOTIVE HEAT EXCHANGER
Title (en)
METHOD FOR PROVIDING FLAT TUBE DESIGNS FOR AN AUTOMOTIVE HEAT EXCHANGER
Title (de)
VERFAHREN ZUR AUSLEGUNG VON FLACHROHREN FÜR KRAFTFAHRZEUG-WÄRMETAUSCHER
Title (fr)
PROCÉDÉ POUR LA CONFIGURATION DE TUBES PLATS POUR ÉCHANGEUR DE CHALEUR DE VÉHICULE AUTOMOBILE
Publication
Application
Priority
- GB 2004001215 W 20040319
- GB 0306269 A 20030319
Abstract (en)
[origin: GB2399623A] A flat tube heat exchanger comprises tubes 1 having a plurality of non-circular cross-sectional shaped flow channels 2 extending in a longitudinal direction of the tubes 1. Tubes 1 maybe extruded aluminium, extend between headers and stacked in rows with fins in thermal contact with adjacent spaced tubes for the passage of air to increase heat transfer. Channels 2 may communicate high pressure carbon dioxide refrigerant and maybe triangular and arranged in tessellating relationship, rectangular, or rectangular with a waist portion mid way along its width (fig 5). The shape of the tubes 1 reduces the weight of the heat exchanger, increases heat transfer conductance of the heat exchanger using a high pressure refrigerant and also offers good strength characteristics.
IPC 1-7
IPC 8 full level
F28D 1/053 (2006.01); F28F 1/02 (2006.01); F28F 1/04 (2006.01)
CPC (source: EP)
F28D 1/05383 (2013.01); F28F 1/022 (2013.01); F28F 1/045 (2013.01); F28D 2021/0073 (2013.01); F28F 2255/16 (2013.01)
Citation (search report)
See references of WO 2004083762A1
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
GB 0306269 D0 20030423; GB 2399623 A 20040922; DE 602004029338 D1 20101111; EP 1608928 A1 20051228; EP 1608928 B1 20100929; WO 2004083762 A1 20040930
DOCDB simple family (application)
GB 0306269 A 20030319; DE 602004029338 T 20040319; EP 04721949 A 20040319; GB 2004001215 W 20040319