Valve operating mechanism

Details Valve operating mechanism Valve operating mechanism

1988-12-07

1990-10-23

Okonsky, David A.

Internal-combustion engines

Four-cycle

Multiple exhaust

123 9016, F02B 1500

Patent

active

049643754

ABSTRACT:
A valve operating mechanism for an internal combustion engine having a plurality of exhaust valves per cylinder comprises a device for driving the exhaust valves in a same cylinder at such a valve timing that makes opening of the exhaust valves with a phase difference, i.e., at different timings relative to a crank angle. In one aspect of this invention, the exhaust valves open at the different times and close at the same time.

REFERENCES:
patent: 3334618 (1967-08-01), Funiciello
patent: 4108119 (1978-08-01), McWhorter
patent: 4519365 (1985-05-01), Anfusio
patent: 4651684 (1987-03-01), Masuda et al.
patent: 4714059 (1987-12-01), Masuda et al.
patent: 4735186 (1988-04-01), Parsons
patent: 4765287 (1988-08-01), Taylor et al.

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