Fuel injection nozzle

Details Fuel injection nozzle Fuel injection nozzle

1982-02-11

1984-07-24

Kasnikow, Andres

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

2395339, F02M 4508

Patent

active

044614276

ABSTRACT:
A fuel injection nozzle for internal combustion engines, in particular a cold-starting valve which has a valve needle opening counter to the force of a closing spring, the valve needle being additionally urged in the closing direction by an adjusting piston. The adjusting piston rests on a yielding stop formed by the closing spring. The stop is formed by the upper valve plate, which has a passageway bore for an extension tang of the adjusting piston. The extension tang forms a pre-stroke stop for the valve needle. A restoring spring is associated with the adjusting piston and is disposed inside the spring chamber, which surrounds the extension tang of the adjusting piston. At least one of the spring support plates has an inner annular wall protruding in collar-like fashion, which surrounds the engaged tang of the adjusting piston or valve needle.

REFERENCES:
patent: 3450351 (1969-06-01), Messerschmidt
patent: 3511442 (1970-05-01), DeLuca et al.
patent: 3817456 (1974-06-01), Schlappkohl
patent: 3980234 (1976-09-01), Bouwkamp
patent: 4215821 (1980-08-01), Eblen

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