Fuel-injection nozzle

Details Fuel-injection nozzle Fuel-injection nozzle

1984-04-18

1986-05-13

Dolinar, Andrew M.

Fluid sprinkling, spraying, and diffusing

Terminal outlet formed between parts mounted for relative...

Spray fluid pressure responsive discharge modifier

239459, 2395335, 2395339, B05B 132

Patent

active

045881324

ABSTRACT:
A direct-injection internal combustion engine has a combustion chamber in the form of a body of rotation in the piston head. Means are provided for creating air swirl about the longitudinal axis of the combustion chamber. A fuel-injection nozzle is arranzed to spray fuel on the combustion chamber wall substantially as a film at upper engine speeds and loads, and to mix the fuel directly with the air at idling and lower engine speeds and loads. The nozzle has a nozzle needle longitudinally movable in a nozzle body to open the nozzle for fuel injection. In order to reduce the size of the nozzle, the nozzle needle is arranged to move in a direction outwardly of the nozzle body to open the nozzle and inwardly of the nozzle body to close the nozzle. The nozzle is adapted to open at a slower rate at lower engine speeds and loads and at a faster rate at upper engine speeds and loads.

REFERENCES:
patent: 1671504 (1928-05-01), Barrett
patent: 2901181 (1959-08-01), Bek
patent: 4442978 (1984-04-01), Seifert
patent: 4487178 (1984-12-01), Neitz et al.

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