Multi-valve internal combustion engine

Details Multi-valve internal combustion engine Multi-valve internal combustion engine

1986-03-05

1987-11-03

Cross, E. Rollins

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

Air or combustible mixture entering the combustion chamber...

123 9015, F02B 1500

Patent

active

047037342

ABSTRACT:
In order to improve air-fuel mixture uniformity and enhance charging efficiency during high engine speed operation and to obviate noise produced as hot exhaust gases flow at sonic velocity back into the induction system and the formation of carbon deposits which can induce valve "stick", the inlet valve which controls the induction passage utilized during low engine speed operation is opened before the one which controls the induction passage which is rendered effective during high speed, and with an overlap with the exhaust valve.

REFERENCES:
patent: 4317438 (1982-03-01), Yagi et al.
patent: 4532902 (1985-08-01), Mizuno et al.

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