(19)

(11)

EP 1 817 502 A1

(12)

(43) Date of publication: 15.08.2007 Bulletin 2007/33 (21) Application number: 05802242.7 (22) Date of filing: 12.11.2005

(51) International Patent Classification (IPC):  F04D 13/02(2006.01) F04D 29/04(2006.01) (86) International application number: PCT/EP2005/012142 (87) International publication number: WO 2006/058607 (08.06.2006 Gazette 2006/23)

(84) Designated Contracting States: AT CH DE FR GB LI (30) Priority: 04.12.2004 DE 102004058533 (71) Applicant: Brinkmann Pumpen K.H. Brinkmann GmbH & Co. KG 58791 Werdohl (DE)	(72) Inventor: WAGNER, Peter 58791 Werdohl (DE) (74) Representative: Wiebusch, Manfred  TER MEER STEINMEISTER & PARTNER GbR, Patentanwälte, Artur-Ladebeck-Strasse 51 33617 Bielefeld 33617 Bielefeld (DE)