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EP 2 427 694 A1

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(43) Date of publication: 14.03.2012 Bulletin 2012/11 (21) Application number: 09789645.0 (22) Date of filing: 06.05.2009

(51) International Patent Classification (IPC):  F23C 9/00(2006.01) F23R 3/20(2006.01) F23R 3/42(2006.01) F23R 3/18(2006.01) F23R 3/34(2006.01) (86) International application number: PCT/US2009/042997 (87) International publication number: WO 2010/128964 (11.11.2010 Gazette 2010/45)

(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 TR (71) Applicant: Ramgen Power Systems, LLC Bellevue, WA 98005 (US)	(72) Inventors: STEELE, Robert, C. Charlotte North Carolina 28262-7097 (US) EDMONDS, Ryan, G. Renton Washngton 98055 (US) WILLIAMS, Joseph, T. Kirland Washington 98034 (US) BALDWIN, Stephen, P. Winchester Massachusetts 01891-3126 (US) (74) Representative: HOFFMANN EITLE  Patent- und Rechtsanwälte Arabellastraße 4 81925 München 81925 München (DE)