Fuel injection nozzle for internal combustion engines

Details Fuel injection nozzle for internal combustion engines Fuel injection nozzle for internal combustion engines

1984-04-05

1986-04-08

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Terminal outlet formed between parts mounted for relative...

Spray fluid pressure responsive discharge modifier

23953312, B05B 132

Patent

active

045807280

ABSTRACT:
A fuel injection nozzle having an outwardly opening valve needle to which a piston is connected and on which a cap is mounted. The cap encloses a damping chamber, which communicates in a throttled manner, via the play between the piston and the cap, with the flow course of the fuel. Oriented toward the cap is a blocking shoulder attached to the housing, which shoulder restrains the cap, after an undamped pre-stroke (h.sub.v), relative to the valve needle, which continues to move, its continued movement being damped thereby. A spring acts via a spacer body upon the cap, the spacer body keeping the cap at a distance from the blocking shoulder corresponding to the pre-stroke (h.sub.v) in the closing position of the valve needle. As a result, the prescribed set-point value of the pre-stroke (h.sub.v) can be adhered to very precisely.

REFERENCES:
patent: 4356977 (1982-11-01), Hofmann
patent: 4410141 (1983-10-01), Seifert

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