Internal-combustion engines – Valve – Valve head cooperates with manifold
Patent
1981-08-14
1983-10-25
Feinberg, Craig R.
Internal-combustion engines
Valve
Valve head cooperates with manifold
123308, F01L 306
Patent
active
044112262
ABSTRACT:
A helical type intake port for an internal combustion engine. The system has a first sub-intake passageway and a second sub-intake passageway. The first sub-intake passageway is connected to a helical end of the intake passageway for generating a flow of air for suppression of the swirl effect in the helical end. The second sub-intake passageway is connected to a portion of the helical port located upstream of the helical end portion, for increasing the speed of flow of air directed to the helical end portion.
REFERENCES:
patent: 3418981 (1968-12-01), Von Seggern et al.
patent: 4271795 (1981-06-01), Nakagawa et al.
patent: 4300500 (1981-11-01), Motosugi et al.
patent: 4303046 (1981-12-01), Nakanishi et al.
patent: 4304211 (1981-12-01), Tezuka et al.
Inoue Tokuta
Nakanishi Kiyoshi
Okumura Takeshi
Feinberg Craig R.
Wolfe W. R.
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