Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1983-08-18
1984-12-04
Moy, Magdalen Y. C.
Internal-combustion engines
Charge forming device
Fuel injection system
123501, 239 88, F02M 5702
Patent
active
044857870
ABSTRACT:
A fuel injection system for an internal combustion engine has a fuel injection pump for controlling the amount of fuel injected in accordance with operating conditions of the engine, and a fuel injection nozzle unit for injecting the fuel delivered from the fuel injection pump into a combustion chamber. In the fuel injection nozzle unit, an injection pump chamber is located in a nozzle housing thereof so as to receive the fuel delivered from the fuel injection pump. The pressurized fuel in the fuel injection pump chamber is delivered by an injection plunger to an injection nozzle thereof. A pressure pump chamber is also located in the nozzle housing so as to receive a fluid. This fluid is pressurized by the pressurizing plunger which reciprocates in synchronism with the engine. The injection plunger pressurizes the fuel in the injection pump chamber by the pressure of the fuel in the pressure pump chamber, thereby supplying the pressurized fuel to an injection nozzle.
REFERENCES:
patent: 4281792 (1981-08-01), Sisson et al.
patent: 4385609 (1983-05-01), Kato
patent: 4396151 (1983-08-01), Kato et al.
patent: 4399793 (1983-08-01), Poore et al.
patent: 4402456 (1983-09-01), Schneider
patent: 4418867 (1983-12-01), Sisson
patent: 4425894 (1984-01-01), Kato et al.
patent: 4427152 (1984-01-01), Sisson et al.
Akashi Tetsuji
Kato Masaaki
Moy Magdalen Y. C.
Nippondenso Co. Ltd.
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