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(11)

EP 2 836 709 A1

(12)

(43) Date of publication: 18.02.2015 Bulletin 2015/08 (21) Application number: 13760765.1 (22) Date of filing: 14.03.2013

(51) International Patent Classification (IPC):  F03G 7/00(2006.01) F03B 13/00(2006.01) F01B 21/00(2006.01) F03D 9/00(2006.01) F03B 17/00(2006.01) (86) International application number: PCT/US2013/031742 (87) International publication number: WO 2013/138667 (19.09.2013 Gazette 2013/38)

(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: 16.03.2012 US 201261612196 P 12.04.2012 US 201261623491 P (71) Applicant: Lightsail Energy, Inc. Berkeley, California 94710 (US)	(72) Inventors: BERLIN Jr., Edwin P. Oakland, California 94611 (US) FONG, Danielle Oakland, California 94607 (US) CRANE, Stephen E. Santa Rosa, California 95401 (US) ABKENAR, AmirHossein Pourmousa Walnut Creek, California 94597 (US) HARIRI, Alireza Berkeley, California 94702 (US) (74) Representative: Samson & Partner  Widenmayerstraße 5 80538 München 80538 München (DE)