Fuel injector and mounting structure thereof

Details Fuel injector and mounting structure thereof Fuel injector and mounting structure thereof

1989-06-05

1990-12-25

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel injection system

23953312, 123531, F02M 3900

Patent

active

049794795

ABSTRACT:
A fuel injector for use with an internal combustion engine, including a valve housing having one end formed with a fuel injection hole; a valve member reciprocally movable in the valve housing for opening and closing the fuel injection hole; an actuator for effecting reciprocal movement of the valve member; and a nozzle fixedly mounted to the one end of the valve housing and formed with a fuel atomizer passage. The fuel atomizer passage includes a fuel inlet communicated with the fuel injection hole for inducing the fuel injected from the fuel injection hole, a passage portion inclined at a predetermined angle with respect to a direction of injection of the fuel to be injected from the fuel injection hole and having a uniform cross section over the entire length thereof, which passage portion has a fuel colliding portion for allowing collision of the fuel injected from the fuel injection hole, and a fuel outlet for discharging the fuel atomized in the passage portion and for restricting a divergence and a direction of a fuel spray to be discharged therefrom.

REFERENCES:
patent: 4200237 (1980-04-01), Urlaub
patent: 4254915 (1981-03-01), Muller
patent: 4275845 (1981-06-01), Muller
patent: 4650122 (1987-03-01), Kenzle
patent: 4657189 (1987-04-01), Iwata
patent: 4773374 (1988-09-01), Kiuchi
patent: 4813610 (1989-03-01), Renowden
patent: 4827888 (1989-05-01), Vaznaian

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