(19)

(11)

EP 1 725 838 A1

(12)

(43) Date of publication: 29.11.2006 Bulletin 2006/48 (21) Application number: 05722176.4 (22) Date of filing: 03.03.2005

(51) International Patent Classification (IPC):  G01F 1/44(2006.01) F24D 19/10(2006.01) F16K 1/10(2006.01) F24H 9/12(2006.01) (86) International application number: PCT/SE2005/000306 (87) International publication number: WO 2005/088263 (22.09.2005 Gazette 2005/38)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 16.03.2004 GB 0405814 (71) Applicant: Tour & Andersson AB 524 80 Ljung (SE)	(72) Inventor: ENGELBREKTSSON, Anders S-524 32 Herrljunga (SE) (74) Representative: Pitkänen, Hannu Alpo Antero  Patenttitoimisto Pitkänen Oy P.O. Box 1188 70211 Kuopio 70211 Kuopio (FI)