Internal-combustion engines – Combustion chamber means having fuel injection only – Combustible mixture stratification means
Patent
1994-12-23
1997-09-16
Argenbright, Tony M.
Internal-combustion engines
Combustion chamber means having fuel injection only
Combustible mixture stratification means
123300, 123310, F02P 1508, F02B 1700, F02D 4138
Patent
active
056669160
ABSTRACT:
Under a partial load, a pumping loss is reduced by a stratified combustion to enhance a fuel consumption, and during the maximum output operation, the output is increased by a premixture combustion, and the output of an engine is controlled, thereby enhancing the drivability. Under the partial load, an ignition source is provided in the vicinity of a fuel injection valve, and after the fuel is injected, the mixture is ignited, and a resulting flame is caused by a spray of the fuel to spread into a cylinder, thereby effecting a stratified combustion. When the load increases, so that soot and so on are produced in the stratified combustion, the fuel injection is effected a plurality of times in a divided manner, and a premixture is produced within the cylinder by the front-half injection, and a flame, produced by the latter-half injection, is injected into the cylinder to burn this premixture.
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Fujieda Mamoru
Nogi Toshiharu
Ohsuga Minoru
Oyama Yoshishige
Shiraishi Takuya
Argenbright Tony M.
Hitachi , Ltd.
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