(19)

(11)

EP 3 177 834 A2

(12)

(88) Date of publication A3: 19.05.2016 (43) Date of publication: 14.06.2017 Bulletin 2017/24 (21) Application number: 15829258.1 (22) Date of filing: 06.08.2015

(51) International Patent Classification (IPC):  F04D 7/04(2006.01) (86) International application number: PCT/US2015/043982 (87) International publication number: WO 2016/022781 (11.02.2016 Gazette 2016/06)

(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 Designated Validation States: MA (30) Priority: 06.08.2014 US 201462033814 P (71) Applicant: Flow Control LLC. Beverly, Massachusetts 01915 (US)	(72) Inventor: LOPES, Jeffrey D. Gloucester, Massachusetts 01930 (US) (74) Representative: DREISS Patentanwälte PartG mbB  Friedrichstrasse 6 70174 Stuttgart 70174 Stuttgart (DE)