(19)

(11)

EP 2 737 177 A1

(12)

(43) Date of publication: 04.06.2014 Bulletin 2014/23 (21) Application number: 12817318.4 (22) Date of filing: 18.07.2012

(51) International Patent Classification (IPC):  F01C 1/22(2006.01) (86) International application number: PCT/FI2012/050740 (87) International publication number: WO 2013/014335 (31.01.2013 Gazette 2013/05)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 26.07.2011 FI 20115769 (71) Applicant: Steammotor Finland Oy Ab Ltd 21600 Parainen (FI)	(72) Inventor: AUVINEN, Risto FI-70910 Vuorela (FI) (74) Representative: Pitkänen, Hannu Alpo Antero  Patenttitoimisto Pitkänen Oy P.O. Box 1188 70211 Kuopio 70211 Kuopio (FI)