Fuel injection valve for air-compressing internal combustion eng

Details Fuel injection valve for air-compressing internal combustion eng Fuel injection valve for air-compressing internal combustion eng

1989-05-15

1990-03-27

Kashinkow, Andres

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

2395339, F02M 6300

Patent

active

049113666

ABSTRACT:
A fuel injection valve for air-compressing internal combustion engines comprises a nozzle holder, a nozzle body and a pintle, which is operable by the application of fuel pressure against the force of a closing spring, which is accommodated in a spring chamber of the nozzle holder. The pintle cooperates with a damper, which comprises a fuel-filled damper chamber, which opens into a constricted passage. A separate damper piston is interposed between the pintle and the damper chamber and enters the damper chamber and is non-positively connected to the pintle. To provide an inexpensive and highly effective damper, either the damper chamber is formed in an adapter, which defines that end of the spring chamber of the nozzle holder which is adjacent to the pintle, the adapter contains the damper piston, which is used to transmit force between the closing spring and the pintle.

REFERENCES:
patent: 4417693 (1983-11-01), Fussner et al.
patent: 4535939 (1985-08-01), Skinner
patent: 4650121 (1987-03-01), Augustin

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