(19)

(11)

EP 2 165 047 A1

(12)

(43) Date of publication: 24.03.2010 Bulletin 2010/12 (21) Application number: 08745366.8 (22) Date of filing: 09.04.2008

(51) International Patent Classification (IPC):  F01B 25/02(2006.01) (86) International application number: PCT/US2008/059736 (87) International publication number: WO 2008/124758 (16.10.2008 Gazette 2008/42)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 10.04.2007 US 922713 P (71) Applicant: Elliott Company Jeannette, PA 15644-1473 (US)	(72) Inventor: HODDER, Bradley, R. Latrobe, Pennsylvania 15650 (US) (74) Representative: Prins, Hendrik Willem et al Bird & Bird LLP Van Alkemadelaan 700 2597 AW Den Haag 2597 AW Den Haag (NL)