(19)

(11)

EP 2 394 035 A1

(12)

(43) Date of publication: 14.12.2011 Bulletin 2011/50 (21) Application number: 10705009.8 (22) Date of filing: 09.12.2009

(51) International Patent Classification (IPC):  F02B 21/00(2006.01) F02M 25/07(2006.01) F02B 31/08(2006.01) (86) International application number: PCT/JP2010/000756 (87) International publication number: WO 2010/090044 (12.08.2010 Gazette 2010/32)

(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 MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 09.02.2009 JP 2009027234 (71) Applicant: Yamaha Hatsudoki Kabushiki Kaisha Iwata-shi, Shizuoka 438-8501 (JP)	(72) Inventors: TAKII, Osamu Iwata-shi Shizuoka 438-8501 (JP) HIGAKI, Yoshiyuki Iwata-shi Shizuoka 438-8501 (JP) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser  Leopoldstrasse 4 80802 München 80802 München (DE)