(19)

(11)

EP 2 823 157 A1

(12)

(43) Date of publication: 14.01.2015 Bulletin 2015/03 (21) Application number: 13709711.9 (22) Date of filing: 05.03.2013

(51) International Patent Classification (IPC):  F01L 3/20(2006.01) F01L 1/46(2006.01) F01L 3/24(2006.01) (86) International application number: PCT/US2013/029017 (87) International publication number: WO 2013/134203 (12.09.2013 Gazette 2013/37)

(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 Designated Extension States: BA ME (30) Priority: 05.03.2012 US 201213411683 (71) Applicant: Eaton Corporation Cleveland, OH 44122 (US)	(72) Inventor: STRETCH, Dale Arden Novi, MI 48374 (US) (74) Representative: Schwan Schorer & Partner mbB  Patentanwälte Bauerstrasse 22 80796 München 80796 München (DE)