Internal-combustion engines – Noncompression
Patent
1976-03-12
1977-02-08
Cox, Ronald B.
Internal-combustion engines
Noncompression
123 75B, 123 32SP, F02B 1910, F02B 1918
Patent
active
040067254
ABSTRACT:
An internal combustion engine has a main combustion chamber defined by a cylinder bore and its associated piston and a valved intake passage for introducing a lean fuel-air mixture in the combustion chamber. A novel spark plug mounted in the engine in place of the conventional spark plug has an apertured dome portion defining a limited size spark ignition chamber about the spark gap and a valved branch passage to the ignition chamber connected to a first fuel supply, such as a rich fuel-air mixture source, to achieve ignition thereof in the ignition chamber causing a flame discharge which ensures ignition of another fuel mixture, such as a lean mixture, in the main combustion chamber. Alternatively, a conventional spark plug may be used with a special adaptor assembled on the gap end of the plug which provides the limited size spark ignition chamber and valved branch passage.
REFERENCES:
patent: 1181122 (1916-05-01), Eastman
patent: 1596240 (1926-08-01), Pikeman
patent: 2127512 (1938-08-01), Harper
patent: 2884913 (1959-05-01), Heintz
patent: 3890942 (1975-06-01), Date
patent: 3926169 (1975-12-01), Leshner
Baczek Tadeusz A.
James Leslie M. L.
Baczek and James Company, Inc.
Cox Ronald B.
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