Flow control device of a helically-shaped intake port

Details Flow control device of a helically-shaped intake port Flow control device of a helically-shaped intake port

1982-07-21

1984-08-21

Feinberg, Craig R.

Internal-combustion engines

Valve

Valve head cooperates with manifold

123306, F02B 3100, F02M 3510

Patent

active

044663986

ABSTRACT:
A helically-shaped intake port comprising a helical portion formed around an intake valve, and a substantially straight inlet passage portion tangentially connected to the helical portion. A bypass passage is branched off from the inlet passage portion and connected to the helical portion. A slide valve is arranged in the bypass passage and controlled by an electronic control unit so that the opening area of the slide valve is proportional to the amount of air fed into the cylinder of the engine.

REFERENCES:
patent: 3850479 (1974-11-01), Boyhont et al.
patent: 4174686 (1979-11-01), Shimizu et al.
patent: 4196701 (1980-04-01), Tamura 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: 4347816 (1982-09-01), Saito et al.

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