(19)

(11)

EP 2 496 792 A1

(12)

(43) Date of publication: 12.09.2012 Bulletin 2012/37 (21) Application number: 10829121.2 (22) Date of filing: 04.11.2010

(51) International Patent Classification (IPC):  F01D 1/36(2006.01) (86) International application number: PCT/US2010/055515 (87) International publication number: WO 2011/057019 (12.05.2011 Gazette 2011/19)

(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 (30) Priority: 04.11.2009 US 257988 P (71) Applicants: Wilson, Erich A. Provo, UT 84601 (US) Holt, Drew Minneapolis, MN 55409 (US)	(72) Inventors: Wilson, Erich A. Provo, UT 84601 (US) Holt, Drew Minneapolis, MN 55409 (US) (74) Representative: Peters, Hajo et al Zacco GmbH Bayerstraße 83 80335 München 80335 München (DE)