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(11)

EP 3 036 439 A1

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(43) Date of publication: 29.06.2016 Bulletin 2016/26 (21) Application number: 14837882.1 (22) Date of filing: 22.08.2014

(51) International Patent Classification (IPC):  F04D 29/04(2006.01) F04D 29/10(2006.01) F04D 29/046(2006.01) F04D 29/40(2006.01) (86) International application number: PCT/US2014/052263 (87) International publication number: WO 2015/027143 (26.02.2015 Gazette 2015/08)

(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: 23.08.2013 US 201361869348 P (71) Applicant: Eaton Corporation Cleveland, OH 44122 (US)	(72) Inventors: KONISHI, Takashi Kameoka-shi 621-0833 (JP) FUKUCHI, Eiji Kameoka-shi 621-0027 (JP) (74) Representative: Schwan Schorer & Partner mbB  Patentanwälte Bauerstrasse 22 80796 München 80796 München (DE)