(19)

(11)

EP 2 971 622 A1

(12)

(43) Date of publication: 20.01.2016 Bulletin 2016/03 (21) Application number: 14775493.1 (22) Date of filing: 12.03.2014

(51) International Patent Classification (IPC):  F01K 25/02(2006.01) F01K 23/02(2006.01) F04D 29/00(2006.01) F01K 23/18(2006.01) F04D 27/00(2006.01) (86) International application number: PCT/US2014/023990 (87) International publication number: WO 2014/159520 (02.10.2014 Gazette 2014/40)

(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: 14.03.2013 US 201361782578 P (71) Applicants: Echogen Power Systems LLC Akron, Ohio 44308 (US) Gayawal, Suyash Akron, OH 44313 (US) Vermeersch, Michael, Louis Ravenna, Ohio 44266 (US)	(72) Inventors: GAYAWAL, Suyash Akron, OH 44313 (US) VERMEERSCH, Michael, Louis Ravenna, OH 44266 (US) (74) Representative: Giles, Ashley Simon  Haseltine Lake LLP Lincoln House, 5th Floor 300 High Holborn London WC1V 7JH London WC1V 7JH (GB)