Internal combustion engine

Details Internal combustion engine Internal combustion engine

1976-07-19

1979-01-09

Myhre, Charles J.

Internal-combustion engines

Two-cycle

Rear compression

123 30C, 123124R, 123169CL, F02B 7502, F02M 2304

Patent

active

041333225

ABSTRACT:
In an internal combustion engine, an injection hole is provided in the cylinder head to inject narrow streams of air towards the spark gap, particularly during idling and low load running conditions. The injected air is 5 to 30% by weight of the intake fuel-air mixture provided via the intake manifold and creates a swirl or turbulence thereby increasing combustibility. The hole is connected via a sub intake passage to the main air intake passage upstream of the venturi in the carburetor or between the venturi and throttle valve.

REFERENCES:
patent: 3266234 (1966-08-01), Cook
patent: 3359958 (1967-12-01), Von Seggern et al.
patent: 3408992 (1968-11-01), Von Seggern et al.
patent: 3479997 (1969-11-01), Fryer et al.
patent: 3543736 (1970-12-01), Suzuki et al.
patent: 3659564 (1972-05-01), Suzuki et al.
patent: 3941105 (1976-03-01), Yagi et al.
patent: 3964451 (1976-06-01), Goto
patent: 3991729 (1976-11-01), Notaro

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