Internal-combustion engines – Combustion chamber means combined with air-fuel mixture... – Stratification in combustion chamber
Patent
1981-02-26
1982-08-03
Argenbright, Tony M.
Internal-combustion engines
Combustion chamber means combined with air-fuel mixture...
Stratification in combustion chamber
123432, 123557, 123568, F02B 1700, F02M 2506
Patent
active
043423000
ABSTRACT:
Disclosed is a stratified charge internal combustion engine having a charge preparation chamber centrally disposed at the end of each cylinder and means for direct fuel injection into the preparation chamber. A valved opening connects the charge preparation chamber with a charge admission portion of a combustion chamber having the usual intake, exhaust and spark-ignition means. In operation, the charge chamber valve is opened twice each cycle, once during a high-pressure portion of the expansion stroke to receive a charge of pressurized hot gas, after which fuel is discharged into the charge chamber to be vaporized by and mixed with the hot gas. The charge chamber valve is subsequently opened during a portion of the subsequent compression stroke so that the premixed charge is forced at high pressure into the combustion chamber for further mixing and the creation of a localized cloud of air-fuel mixture and combustion gases which is subsequently ignited by the spark.
REFERENCES:
patent: 887703 (1908-05-01), Sharpneck
patent: 1520772 (1924-12-01), Ricardo
patent: 3785355 (1974-01-01), Toepel
patent: 3809030 (1974-05-01), Moiroux
patent: 4210105 (1980-07-01), Nohira et al.
patent: 4230073 (1980-10-01), Nohira et al.
patent: 4246873 (1981-01-01), Lih-Liaw
Argenbright Tony M.
General Motors Corporation
Outland Robert J.
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