(19)

(11)

EP 2 729 702 A2

(12)

(88) Date of publication A3: 27.06.2013 (43) Date of publication: 14.05.2014 Bulletin 2014/20 (21) Application number: 12732939.9 (22) Date of filing: 29.06.2012

(51) International Patent Classification (IPC):  F04B 35/00(2006.01) F04B 39/06(2006.01) F25D 29/00(2006.01) (86) International application number: PCT/US2012/044791 (87) International publication number: WO 2013/006398 (10.01.2013 Gazette 2013/02)

(84) Designated Contracting States: 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 (30) Priority: 07.07.2011 US 201161505311 P (71) Applicant: Carrier Corporation Farmington, CT 06034 (US)	(72) Inventors: CHOPKO, Robert A. Baldwinsville, New York 13027 (US) PANDZIK, Richard T. Syracuse, New York 13203 (US) (74) Representative: Klunker . Schmitt-Nilson . Hirsch  Patentanwälte Destouchesstrasse 68 80796 München 80796 München (DE)