Triple-intake-valve internal combustion engine

Details Triple-intake-valve internal combustion engine Triple-intake-valve internal combustion engine

1992-10-06

1993-08-24

Cross, E. Rollins

Internal-combustion engines

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

Air or combustible mixture entering the combustion chamber...

123302, F02B 1500

Patent

active

052379744

ABSTRACT:
Intake ports are arranged independently from each other between an injector and each combustion chamber and are formed in an inverted triangular cross-sectional shape, whereby intake fluids flow along upper walls of the corresponding ports and become a stratified tumble flow in the combustion chamber 10. One of the three ports, said one port being centrally located and opposing a spark plug, is used as an air-fuel intake port, while the remaining ports arranged on both sides of the port are employed as air intake ports. A fuel injector is provided to feed fuel only to the port. An air-fuel mixture drawn into the combustion chamber through the port flows as a tumble flow. This tumble flow is flanked by tumble flows of air drawn into the combustion chamber through the ports respectively, whereby tumble flows flow in the form of a three-layer tumble swirl as a whole.

REFERENCES:
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patent: 4683855 (1987-08-01), Laimbeck
patent: 4702207 (1987-10-01), Hatamura et al.
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patent: 4938191 (1990-07-01), Oldani et al.
patent: 5016578 (1991-05-01), Ogawa et al.
patent: 5119785 (1992-06-01), Saito et al.
patent: 5125380 (1992-06-01), Nakae et al.
patent: 5143036 (1992-09-01), Shiraishi et al.

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