(19)

(11)

EP 1 957 804 A1

(12)

(43) Date of publication: 20.08.2008 Bulletin 2008/34 (21) Application number: 06794109.6 (22) Date of filing: 13.10.2006

(51) International Patent Classification (IPC):  F15B 15/12(2006.01) F04C 9/00(2006.01) F03C 4/00(2006.01) F01C 9/00(2006.01) (86) International application number: PCT/FI2006/000333 (87) International publication number: WO 2007/042612 (19.04.2007 Gazette 2007/16)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 14.10.2005 FI 20051042 (71) Applicant: Raikamo, Esko 33880 Lempäälä (FI)	(72) Inventor: Raikamo, Esko 33880 Lempäälä (FI) (74) Representative: Nieminen, Taisto Tapani  Patenttitoimisto T. Nieminen Oy, Kehräsaari B 33200 Tampere 33200 Tampere (FI)