(19)
(11) EP 1 752 645 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
28.09.2011 Bulletin 2011/39

(43) Date of publication A2:
14.02.2007 Bulletin 2007/07

(21) Application number: 06016156.9

(22) Date of filing: 02.08.2006
(51) International Patent Classification (IPC): 
F02F 7/00(2006.01)
 F02B 67/06(2006.01)
(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
Designated Extension States:
AL BA HR MK RS

(30) Priority: 08.08.2005 JP 2005229031

(71) Applicant: Mazda Motor Corporation
Aki-gun, Hiroshima, (JP)

(72) Inventors:
  • Sasada, Takashi, c/o Mazda Motor Corporation
    Aki-gun, Hiroshima (JP)
  • Hatabu, Atsuhiro, c/o Mazda Motor Corporation
    Aki-gun, Hiroshima (JP)
  • Mori, Daisuke, c/o Mazda Eng. & Tech. Co. Ltd.
    Hiroshima-shi, Hiroshima (JP)

(74) Representative: Laufhütte, Dieter et al
Lorenz-Seidler-Gossel Widenmayerstrasse 23
80538 München
80538 München (DE)

   


(54) Front structure of engine


(57) Disclosed is a front structure of an engine, which is provided with: a lower camshaft driving chain (14) which is arranged behind the upper camshaft driving chain (20); a chain cover (31) which covers chains (14, 20, 26) and has upper and lower front parts formed such that the lower front part is depressed toward a cylinder block (2) relative to the upper front part in a longitudinal direction of the engine (1); an auxiliary-devices driving belt (43) disposed in front of the chain cover (31); and a cantilevered arm (46) holding a belt tensioner (42) at a free end thereof, associated with the auxiliary-devices driving belt (43), and is disposed in front of the chain cover (31) in such a manner as to overlap with a looped area formed by the lower camshaft driving chain (14) in front view of the engine (1).







Search report