EP 2077429 A1 20090708 - HEAT EXCHANGER AND REFRIGERATION DEVICE
Title (en)
HEAT EXCHANGER AND REFRIGERATION DEVICE
Title (de)
WÄRMETAUSCHER UND KÜHLVORRICHTUNG
Title (fr)
ÉCHANGEUR DE CHALEUR ET DISPOSITIF DE RÉFRIGÉRATION
Publication
Application
Priority
- JP 2007069260 W 20071002
- JP 2006283802 A 20061018
- JP 2007133988 A 20070521
Abstract (en)
An oil groove (25) for trapping and transporting oil is formed in an inner wall surface of a heat transfer tube (22) of a heat exchanger (12, 13) to extend in an axial direction of the heat transfer tube (22).
IPC 8 full level
F28F 1/40 (2006.01); F25B 1/00 (2006.01); F25B 39/00 (2006.01); F25B 43/02 (2006.01); F28D 1/047 (2006.01); F28F 1/32 (2006.01); F28F 13/18 (2006.01); F28F 17/00 (2006.01)
CPC (source: EP)
F25B 39/00 (2013.01); F28D 1/0477 (2013.01); F28F 1/32 (2013.01); F28F 1/40 (2013.01); F28F 13/185 (2013.01); F28F 17/005 (2013.01); F25B 43/02 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 2077429 A1 20090708; EP 2077429 A4 20140507; CN 101523149 A 20090902; CN 101523149 B 20110216; JP 2008122059 A 20080529; WO 2008050587 A1 20080502
DOCDB simple family (application)
EP 07829000 A 20071002; CN 200780038428 A 20071002; JP 2007069260 W 20071002; JP 2007133988 A 20070521