(19)
(11) EP 2 034 140 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
14.04.2010 Bulletin 2010/15

(43) Date of publication A2:
11.03.2009 Bulletin 2009/11

(21) Application number: 08015221.8

(22) Date of filing: 28.08.2008
(51) International Patent Classification (IPC): 
F01L 3/10(2006.01)
 F01L 1/14(2006.01)
(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 MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 04.09.2007 JP 2007229151

(71) Applicant: Aichi Machine Industry Co. Ltd.
Nagoya-shi, Aichi 456-8601 (JP)

(72) Inventors:
  • Hasegawa, Nobuyuki
    Nagoya-shi, Aichi 4568601 (JP)
  • Sagata, Munehiro
    Nagoya-shi, Aichi 4568601 (JP)

(74) Representative: Schaeberle, Steffen 
Hoefer & Partner Patentanwälte Pilgersheimer Strasse 20
81543 München
81543 München (DE)

   


(54) Valve train for internal combustion engine


(57) A valve train (1) includes a valve (2), a spring retainer (3), a pair of cotters (4), a valve spring (5), and a valve lifter (6). The valve (2) includes a stem (22) supported by a cylinder head (9) movably in an axial direction, and a valve head (21) provided at an end portion of the stem (22) at a B1 side. The spring retainer (3) is mounted at an end portion of the stem (22) at a B2 side via the cotters (4). The valve spring (5) is arranged between the cylinder head (9) and the spring retainer (3). The valve lifter (6) is in contact with a head portion (23) of the stem (22). The spring retainer (3) includes a supporting portion (35) that supports an end portion of the valve spring (5), and a rib (34) that guides the end portion to the supporting portion (35).







Search report