(19)

(11)

EP 2 171 214 A1

(12)

(43) Date of publication: 07.04.2010 Bulletin 2010/14 (21) Application number: 08779022.6 (22) Date of filing: 14.07.2008

(51) International Patent Classification (IPC):  F01C 9/00(2006.01) F04B 43/12(2006.01) (86) International application number: PCT/NL2008/050474 (87) International publication number: WO 2009/011575 (22.01.2009 Gazette 2009/04)

(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: 13.07.2007 NL 2000749 (71) Applicant: Droogers, Gerrit Jan 2802 GH Gouda (NL)	(72) Inventor: Droogers, Gerrit Jan 2802 GH Gouda (NL) (74) Representative: Ketelaars, Maarten F.J.M.  Nederlandsch Octrooibureau J.W. Frisolaan 13 2517 JS Den Haag 2517 JS Den Haag (NL)