(19)
(11) EP 0 811 756 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
18.03.1998 Bulletin 1998/12

(43) Date of publication A2:
10.12.1997 Bulletin 1997/50

(21) Application number: 97114938.0

(22) Date of filing: 28.10.1994
(51) International Patent Classification (IPC)6: F01P 5/10, F02B 67/06, F01P 11/04, F02F 7/00
(84) Designated Contracting States:
DE FR GB

(30) Priority: 29.10.1993 JP 294118/93

(62) Application number of the earlier application in accordance with Art. 76 EPC:
94117108.4 / 0651141

(71) Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA
Iwata-shi Shizuoka-ken, 438 (JP)

(72) Inventor:
  • Saito, Tetushi
    Iwata-shi, Shizuoka-ken, 438 (JP)

(74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)

 
Remarks:
This application was filed on 28 - 08 - 1997 as a divisional application to the application mentioned under INID code 62.
 


(54) Four-cycle engine


(57) The present invention relates to a four-cycle engine, specifically to a cooling arrangement thereof, said engine comprising a cylinder block and a cylinder head, a chain drive means for driving at least one camshaft from a primary drive shaft and a chain cover extending along a side of the engine wherein in said chain cover forms part of a case for the water pump which, therefore, can be integrated smoothly into the engine allowing to drive the water pump in common to the other auxiliary equipment and to avoid hoses or the like for cooling other components of the engine.






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