Internal-combustion engines – Precombustion and main combustion chambers in series – Plural precombustion chambers
Patent
1992-07-07
1993-12-21
Dolinar, Andrew M.
Internal-combustion engines
Precombustion and main combustion chambers in series
Plural precombustion chambers
123267, 123274, F02B 1910, F02B 1912
Patent
active
052713652
ABSTRACT:
An improved combustion system for an internal combustion engine is disclosed wherein a rich air/fuel mixture is furnished at high pressure to one or more jet plume generator cavities adjacent to a cylinder and then injected through one or more orifices from the cavities into the head space of the cylinder to form one or more turbulent jet plumes in the head space of the cylinder prior to ignition of the rich air/fuel mixture in the cavity of the jet plume generator. The portion of the rich air/fuel mixture remaining in the cavity of the generator is then ignited to provide a secondary jet, comprising incomplete combustion products which are injected into the cylinder to initiate combustion in the already formed turbulent jet plume. Formation of the turbulent jet plume in the head space of the cylinder prior to ignition has been found to yield a higher maximum combustion pressure in the cylinder, as well as shortening the time period to attain such a maximum pressure.
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Hensinger David M.
Maxson James A.
Oppenheim Antoni K.
Dolinar Andrew M.
Gaither Roger S.
Moser William R.
The United States of America as represented by the United States
Valdes Miguel A.
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