Clean spark ignition internal combustion engine

Internal-combustion engines – Noncompression

Patent

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Details

123191SP, 123 32ST, F02B 1910, F02B 1916

Patent

active

040361870

ABSTRACT:
A two or four-stroke spark ignition engine has fuel injectors located at or near BDC, and a separate recess in its cylinderhead to trap a lean mixture for causing more complete combustion of a rich mixture outside the recess after the rich mixture is ignited.

REFERENCES:
patent: 2156665 (1939-05-01), Mallory
patent: 3079901 (1963-03-01), Hallberg
patent: 3318292 (1967-05-01), Hideg
patent: 3621821 (1971-11-01), Jarnuszkiewicz
patent: 3937188 (1976-02-01), Wrigley

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