Valve timing control means for engine

Details Valve timing control means for engine Valve timing control means for engine

1985-10-02

1987-08-11

Lazarus, Ira S.

Internal-combustion engines

Poppet valve operating mechanism

Camshaft drive means

123 9015, 123 9027, F01L 134

Patent

active

046854290

ABSTRACT:
A camshaft drive arrangement for an internal combustion engine including an improved arrangement for adjusting the valve timing during running of the engine. The timing is adjusted by means of a pair of pulleys that are engaged with opposite flights of a timing belt or chain and which are carried by a pivotally supported adjusting lever. The pivotal position of the lever and, according, the valve timing is altered in response to sensed engine conditions.

REFERENCES:
patent: 2279413 (1942-04-01), Read
patent: 3441009 (1969-04-01), Rafanelli
patent: 3683875 (1972-08-01), Chadwick
patent: 3888217 (1975-06-01), Hisserich
patent: 4480603 (1984-11-01), Tsuboi
patent: 4576127 (1986-03-01), Doi et al.

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