Helically-shaped intake port of an internal combustion engine

Details Helically-shaped intake port of an internal combustion engine Helically-shaped intake port of an internal combustion engine

1979-05-17

1982-01-26

Feinberg, Craig R.

Internal-combustion engines

Valve

Valve head cooperates with manifold

123306, F01L 300

Patent

active

043123090

ABSTRACT:
Helically-shaped intake port comprising a helical portion and an inlet passage portion which is tangentially connected to the helical portion and is slightly curved. The intake valve is arranged at the open outlet end of the helical portion. The upper wall of the helical portion extends to a helix terminating portion from the connecting position, and the inlet passage portion is connected to the helical portion. The height between the outlet open end and the upper wall of the helical portion, which is located at the helix terminating portion, is equal to or larger than the diameter of the outlet open end.

REFERENCES:
patent: 3020896 (1962-02-01), Meurer et al.
patent: 3273551 (1966-09-01), Julien et al.
patent: 3890949 (1975-06-01), Elsbett et al.

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