EP 2722628 A4 20150603 - SERPENTINE HEAT EXCHANGER
Title (en)
SERPENTINE HEAT EXCHANGER
Title (de)
ROHRSCHLANGENWÄRMETAUSCHER
Title (fr)
ECHANGEUR DE CHALEUR EN SERPENTIN
Publication
Application
Priority
- JP 2011135178 A 20110617
- JP 2012062900 W 20120521
Abstract (en)
[origin: EP2722628A1] A serpentine heat exchanger includes a tube formed by bonding two press-molded tube sheets and folded back in a serpentine shape, and a corrugated fin arranged in a space enclosed by the tube that is folded-back. An inside of a folded-back portion of the tube includes a plurality of protrusions at a distance from one another, the protrusions protruding from one tube sheet and contacting the other tube sheet.
IPC 8 full level
F28D 1/047 (2006.01); F28F 1/12 (2006.01); F28F 1/40 (2006.01); F28F 1/42 (2006.01); F28D 1/03 (2006.01); F28F 3/04 (2006.01)
CPC (source: EP US)
F28D 1/0308 (2013.01 - EP US); F28D 1/0358 (2013.01 - EP US); F28D 1/0478 (2013.01 - EP US); F28F 1/10 (2013.01 - US); F28F 1/126 (2013.01 - EP US); F28F 1/426 (2013.01 - EP US); F28F 3/044 (2013.01 - EP US); F28F 2225/04 (2013.01 - EP US); F28F 2275/122 (2013.01 - EP US)
Citation (search report)
- [X] JP S5730582 U 19820217
- [X] JP S5970180 U 19840512
- [I] JP S5959688 U 19840418
- [X] JP S4950857 U 19740504
- See references of WO 2012172928A1
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 2722628 A1 20140423; EP 2722628 A4 20150603; CN 103608636 A 20140226; JP 2013002753 A 20130107; JP 5663413 B2 20150204; US 2014116662 A1 20140501; WO 2012172928 A1 20121220
DOCDB simple family (application)
EP 12800204 A 20120521; CN 201280029492 A 20120521; JP 2011135178 A 20110617; JP 2012062900 W 20120521; US 201214124345 A 20120521