Internal-combustion engines – Noncompression
Patent
1973-06-28
1977-10-11
Cox, Ronald B.
Internal-combustion engines
Noncompression
123139AW, F02B 1910, F02B 1916
Patent
active
040529738
ABSTRACT:
In a standard internal combustion engine, air induction through an inlet valve into each combustion chamber occurs only approximately 25 to 50 percent of the time. During the intervals between inductions, air in a channel upstream from the closed intake valve is quiet and stands virtually still. Fuel is injected into the channel upstream from the inlet valve during the quiet time between valve openings to form a combustible cloud in the channel. When the inlet valve opens, the cloud and accompanying air travel serially from the channel into a unitary combustion chamber of the engine. Injection is at a place in the channel such that the cloud will surround the spark plug at spark. At spark, the remainder of the combustion chamber contains air, or a very lean mixture of fuel and air. The same quiet period may be used to form clouds of desired fluid diluents in the channel, such as exhaust gases and water, for transport into the combustion chamber into desired zones. Power may be controlled by adjusting the flow of fuel, by adjusting the spark timing, and by adjusting the amount of diluent addition.
REFERENCES:
patent: 838399 (1906-12-01), Greuter
patent: 1481955 (1924-01-01), Burtnett
patent: 2884913 (1959-05-01), Heintz
patent: 2888912 (1959-06-01), Brueder
patent: 2986129 (1961-05-01), Henry-Biabaud
patent: 3113561 (1963-12-01), Heintz
patent: 3170445 (1965-02-01), Folcke
patent: 3680305 (1972-08-01), Miller
California Institute of Technology
Cox Ronald B.
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