(19)
(11) EP 1 336 725 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.11.2003 Bulletin 2003/46

(43) Date of publication A2:
20.08.2003 Bulletin 2003/34

(21) Application number: 03011023.3

(22) Date of filing: 07.06.2000
(51) International Patent Classification (IPC)7F01L 1/14
(84) Designated Contracting States:
DE FR GB

(30) Priority: 07.06.1999 JP 15892899
14.06.1999 JP 16655199
14.06.1999 JP 16655299

(62) Application number of the earlier application in accordance with Art. 76 EPC:
00111830.6 / 1059423

(71) Applicant: Mitsubishi Jidosha Kogyo Kabushiki Kaisha
Tokyo 108-8410 (JP)

(72) Inventors:
  • Murata, Shinichi
    Minato-ku, Tokyo 108-8410 (JP)
  • Higashi, Hirofumi
    Minato-ku, Tokyo 108-8410 (JP)
  • Miyamoto, Hideki
    Minato-ku, Tokyo 108-8410 (JP)

(74) Representative: HOFFMANN - EITLE 
Patent- und Rechtsanwälte Arabellastrasse 4
81925 München
81925 München (DE)

   


(54) Internal combustion engine


(57) A valve driving apparatus using a direct driving type valve lifter is disposed between a cam (803) and a valve (105,117,118,217,317,417,517,617,717,807), said apparatus comprising: a guide hole (123,213,313,413,513,613,713,806) and a direct driving type valve lifter (101,214,314,414,514,614,714,811) including a tappet portion (103,216,316,416,516,616,716,813), and a guide portion (104,215,315,415,515,615,715,812) having one end portion coupled to said tappet portion and housed within said guide hole so as to slide freely therein to the axial direction of said poppet valve in an interlocked manner; wherein a diameter (r) of said guide portion is formed to be smaller than a diameter (R) of said tappet portion; characterized in that said valve lifter (101,214,314,414,514,614,714,811) is inclined in a direction perpendicular to a rotational axis of the cam relative to the head bolt (109) for securing the cylinder head; and said valve lifter is arranged so as to be adjacent to the head bolt in a planar view.







Search report