Global Patent Index - EP 2722628 A4

EP 2722628 A4 20150603 - SERPENTINE HEAT EXCHANGER

Title (en)

SERPENTINE HEAT EXCHANGER

Title (de)

ROHRSCHLANGENWÄRMETAUSCHER

Title (fr)

ECHANGEUR DE CHALEUR EN SERPENTIN

Publication

EP 2722628 A4 20150603 (EN)

Application

EP 12800204 A 20120521

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)

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