Engine valve operating apparatus

Details Engine valve operating apparatus Engine valve operating apparatus

1988-02-02

1989-11-07

Myhre, Charles J.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 906, F01L 108

Patent

active

048784621

ABSTRACT:
An engine valve operating apparatus of the type having an overhead camshaft with a plurality of cams for opening and closing intake and exhaust valves of an internal combustion engine. The camshaft is mounted on the engine by means of a plurality of bearing members each disposed one between two adjacent cams. The outermost cam is disposed outside the outermost bearing member and has a cam lobe with a closing ramp height higher than that of the cam lobes of the remaining cams.

REFERENCES:
patent: 2567690 (1951-09-01), Bishop et al.
patent: 2628605 (1953-02-01), Jones et al.
patent: 2647500 (1953-08-01), Lang
patent: 2804863 (1957-09-01), Bensinger et al.
patent: 4538559 (1985-09-01), Imamura et al.
patent: 4553510 (1985-11-01), Yano et al.

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