Damped automatic variable valve timing device for internal combu

Details Damped automatic variable valve timing device for internal combu Damped automatic variable valve timing device for internal combu

1977-12-27

1979-12-11

Myhre, Charles J.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9017, 123 9031, 123 9019, 74568R, 64 25, F01L 134

Patent

active

041777735

ABSTRACT:
A variable drive means for cam-operated intake and exhaust valves in an internal combustion engine, the variation being responsive to changes in load and rpm of the engine while the engine is running and being completely automatic. The disclosed device provides a slip drive for the camshaft, virtually unaffected by wear and with a predictable, constantly damped biasing action making the device suitable for mass production to suit any engine and preventing vibration and rough operation of the engine and giving automatic wear compensation.

REFERENCES:
patent: 2121560 (1938-06-01), Duncan
patent: 2899810 (1959-08-01), Pierce
patent: 2977778 (1961-04-01), Backlund et al.
patent: 3262435 (1966-07-01), Cribbs
patent: 3285095 (1966-11-01), Rockola
patent: 3357358 (1967-12-01), Rateau

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