Valve-moving apparatus for internal combustion engine

Details Valve-moving apparatus for internal combustion engine Valve-moving apparatus for internal combustion engine

1994-06-28

1995-06-27

Wolfe, Willis R.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9036, 123 9042, 123 9044, F01L 134, F01L 118

Patent

active

054270642

ABSTRACT:
In a valve-moving apparatus for an internal combustion engine, lever members are integrally formed with rocker shaft parts and arm parts, the lever members are provided with large-diameter parts larger in diameter than support parts, disposed between support parts of the rocker shaft parts supported by support members of the engine and the arm parts; rocker arms driven by cams are rotatably supported on the large-diameter parts; and change-over mechanisms for selectively engaging the large-diameter parts and the rocker arms are disposed in the large-diameter parts, thereby improving rigidity of the large-diameter parts and achieving improved reliability of the change-over mechanisms.

REFERENCES:
patent: 4848285 (1989-07-01), Konno
patent: 5020488 (1991-06-01), Watanabe
patent: 5099806 (1992-03-01), Murata et al.
patent: 5203289 (1993-04-01), Hara et al.
Patent Abstracts of Japan vol. 11, No. 102 (M-576) 31 Mar. 1987 & JP-A-61 250 312 (Mazda Motor Corp) 7 Nov. 1986.
Patent Abstracts of Japan vol. 15, No. 211 (C-836) 29 May 1991 & JP-A-30 060 467 (Toshiba Corp) 15 Mar. 1991.
Patent Abstracts of Japan vol. 9, No. 294 (M-431) 20 Nov. 1985 & JP-A-60 132 011 (Honda) 13 Jul. 1985.
JP Application NO. 3-213604 with English Abstract, Sep. 1991.

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