Multi-hole injection nozzle

Details Multi-hole injection nozzle Multi-hole injection nozzle

1978-03-07

1980-05-13

Marbert, James B.

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

F02M 4508

Patent

active

042025001

ABSTRACT:
A multi-hole injection nozzle for air-compressing direct-injection internal combustion engines includes a first nozzle needle which is hollow, and a second nozzle needle which is axially slidable in an axial bore of the first needle. The first needle can close one or more nozzle holes which are spaced from the tip of the injection nozzle and the second needle can similarly close one or more nozzle holes which are, however, close to the tip and which have respectively different cross-sectional areas.

REFERENCES:
patent: 3831846 (1974-08-01), Gerz et al.

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