EP 2784427 A1 20141001 - HEAT TRANSFER FIN, FIN-TUBE HEAT EXCHANGER, AND HEAT PUMP DEVICE
Title (en)
HEAT TRANSFER FIN, FIN-TUBE HEAT EXCHANGER, AND HEAT PUMP DEVICE
Title (de)
WÄRMEÜBERTRAGUNGSLAMELLE, LAMELLENROHR-WÄRMETAUSCHER UND WÄRMEPUMPENVORRICHTUNG
Title (fr)
AILETTE DE TRANSFERT DE CHALEUR, ÉCHANGEUR DE CHALEUR À AILETTE ET TUBE, ET DISPOSITIF POMPE À CHALEUR
Publication
Application
Priority
- JP 2011257245 A 20111125
- JP 2012007515 W 20121122
Abstract (en)
A heat transfer fin (3) includes: a base portion (4) having a flat surface (4a); a cylindrical collar portion (5) extending upwardly from the base portion (4); a flared portion (6) flaring radially outwardly from an entire upper end of the collar portion (5); and a receding portion (7) having an inclined surface extending upwardly from a bottom of the collar portion (5) at an acute angle with respect to a direction toward the upper end of the collar portion (5). The bottom of the collar portion (5) is located at a position not reaching a reference plane when the flat surface (4a) of the base portion (4) is the reference plane.
IPC 8 full level
F25B 39/00 (2006.01); F28F 1/32 (2006.01)
CPC (source: EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2784427 A1 20141001; EP 2784427 A4 20141015; EP 2784427 B1 20170405; CN 103134371 A 20130605; CN 103134371 B 20160330; CN 203069029 U 20130717; JP 6074723 B2 20170208; JP WO2013076990 A1 20150427; WO 2013076990 A1 20130530
DOCDB simple family (application)
EP 12851069 A 20121122; CN 201210480103 A 20121122; CN 201220623198 U 20121122; JP 2012007515 W 20121122; JP 2013545799 A 20121122