Rocker arm arrangement for single cam multi-valve engine

Details Rocker arm arrangement for single cam multi-valve engine Rocker arm arrangement for single cam multi-valve engine

1990-11-28

1992-11-17

Kamen, Noah P.

Internal-combustion engines

Poppet valve operating mechanism

Overhead camshaft

123432, F01L 102

Patent

active

051633906

ABSTRACT:
A single overhead cam multi-valve internal combustion engine wherein individual rocker arms operate each of at least three intake valves and two exhaust valves so as to permit adjustment in the lift and timing of the respective valves. A spark plug well is formed in the cylinder head between the exhaust valves to provide accessibility and maintain a compact assembly. Various bearing arrangements are disclosed for journaling the camshafts.

REFERENCES:
patent: 4766866 (1988-08-01), Takii et al.
patent: 4796574 (1989-01-01), Fujii et al.
patent: 5070824 (1991-12-01), Morishita

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