Intake device of an internal combustion engine

Details Intake device of an internal combustion engine Intake device of an internal combustion engine

1982-08-02

1985-02-19

Lall, Parshotam S.

Internal-combustion engines

Valve

Valve head cooperates with manifold

123306, F02M 3510

Patent

active

044998686

ABSTRACT:
An engine comprising an intake port which has a separating wall projecting downwardly from the upper wall of the intake port. The separating wall defines a helical portion, an inlet passage portion tangentially connected to the helical portion, and a bypass passage interconnecting the inlet passage portion to the helical portion. A rotary valve is arranged in the bypass passage and actuated by a vacuum operated diaphragm apparatus. The rotary valve is opened when the amount of air fed into the cylinder of an engine is increased beyond a predetermined value.

REFERENCES:
patent: 3850479 (1974-11-01), Boyhont et al.
patent: 4159011 (1979-06-01), Sperry
patent: 4174686 (1979-11-01), Shimizu et al.
patent: 4201165 (1980-05-01), Tanaka et al.
patent: 4253432 (1981-03-01), Nohira et al.
patent: 4256062 (1981-03-01), Schafer
patent: 4257384 (1981-03-01), Matsumoto
patent: 4312309 (1982-01-01), Nakanishi et al.
patent: 4411226 (1983-10-01), Okumura et al.

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