(19)

(11)

EP 2 334 920 A2

(12)

(88) Date of publication A3: 10.03.2011 (43) Date of publication: 22.06.2011 Bulletin 2011/25 (21) Application number: 09792857.6 (22) Date of filing: 22.09.2009

(51) International Patent Classification (IPC):  F02C 1/10(2006.01) (86) International application number: PCT/US2009/057874 (87) International publication number: WO 2010/034001 (25.03.2010 Gazette 2010/12)

(84) Designated Contracting States: 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 SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 22.09.2008 US 235395 (71) Applicants: Silver, Guy Sunnyvale, California 94086 (US) Wu, Juinerong Sunnyvale, California 94086 (US)	(72) Inventors: Silver, Guy Sunnyvale, California 94086 (US) Wu, Juinerong Sunnyvale, California 94086 (US) (74) Representative: Miller, James Lionel Woolverton  Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)