(19)

(11)

EP 2 513 478 A1

(12)

(43) Date of publication: 24.10.2012 Bulletin 2012/43 (21) Application number: 09797155.0 (22) Date of filing: 15.12.2009

(51) International Patent Classification (IPC):  F03G 7/00(2006.01) (86) International application number: PCT/IB2009/007766 (87) International publication number: WO 2011/083347 (14.07.2011 Gazette 2011/28)

(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 (71) Applicant: Hunt, Robert D. Long Beach, MI 39560 (US)	(72) Inventor: Hunt, Robert D. Long Beach, MI 39560 (US) (74) Representative: Dennemeyer, John James  Dennemeyer & Associates S.A. 55, Rue des Bruyères 1274 Howald 1274 Howald (LU)