Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1989-11-02
1991-07-02
Dolinar, Andrew M.
Internal-combustion engines
Charge forming device
Fuel injection system
123531, F02M 5100
Patent
active
050277782
ABSTRACT:
An air injector is provided in the vicinity of a fuel injector. By the fuel injector and the air injector, the droplet diameter of a gasoline spray included an air-fuel mixture supplied to a cylinder of the engine is controlled. When the fuel injector is operated during a suction stroke of a gasoline engine, the droplet diameter of the gasoline spray supplied to a portion if the cylinder in a vicinity of a discharge electrode of a spark plug is controlled to have a predetermined value, such as substantially 40 .mu.m. Since the droplet diameter of the gasoline spray is controlled voluntarily, the air-fuel mixture of the gasoline spray size having a good ignition characteristic property is distributed selectively in the vicinity of the discharge electrode of the spark plug. A stable ignition condition for the engine is maintained without the occurrence of knocking, and an engine having a high thermal efficiency is obtained.
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patent: 3831854 (1974-08-01), Sato et al.
patent: 4105163 (1978-08-01), Davis et al.
patent: 4168803 (1979-09-01), Simmons et al.
patent: 4257376 (1981-03-01), Wen
patent: 4325341 (1982-04-01), Yamauchi et al.
patent: 4342443 (1982-08-01), Wakeman
Nogi Toshiharu
Ohyama Yoshishige
Yamauchi Teruo
Dolinar Andrew M.
Hitachi , Ltd.
Macy M.
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