(19)

(11)

EP 1 769 138 A1

(12)

(43) Date of publication: 04.04.2007 Bulletin 2007/14 (21) Application number: 05771499.0 (22) Date of filing: 14.07.2005

(51) International Patent Classification (IPC):  F01K 25/06(2006.01) (86) International application number: PCT/US2005/025033 (87) International publication number: WO 2006/019937 (23.02.2006 Gazette 2006/08)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 19.07.2004 AU 2004903961 13.07.2005 AU 2005203045 (71) Applicant: Recurrent Engineering LLC Draper, UT 84020 (US)	(72) Inventor: PELLETIER, Richard, I. Livermore, CA 94550 (US) (74) Representative: Finnie, Peter John  Gill Jennings & Every LLP Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)