Intermittent injection type fuel injection valve

Details Intermittent injection type fuel injection valve Intermittent injection type fuel injection valve

1979-09-12

1981-07-28

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

And valving means controlling flow for combining

239431, 239585, F02M 5106

Patent

active

042806615

ABSTRACT:
An intermittent injection type fuel injection valve including a nozzle body comprising a hollow cylindrical member and having a valve seat and an injection port, valve comprising a movable member having a valve seat interposed into the nozzle body and intermittently reciprocated therein; a compressed air supply passage communicating with a compressed air supply source and having an air opening provided on or near at least one of the valve seats of the nozzle body and movable member; and a compressed fuel supply passage communicating with a compressed fuel supply source and having at least one fuel opening provided on the valve seat of the nozzle body and movable member, the valve intermittently controlling the on-off communication of the air and fuel openings of the compressed air and fuel supply passages, and the fuel opening of the compressed fuel supply passage being positioned closer to the injection port than the air opening of the compressed air supply passage. Thus, compressed fuel is supplied to the flow of the compressed air between the valve seats of the nozzle body and movable member, and the mixture of the compressed fuel and air in the form of extremely fine fuel droplets is injected from the injection port at a preset timing in a stable manner under any driving condition of an engine.

REFERENCES:
patent: 1285907 (1918-11-01), Blakely
patent: 1393090 (1921-10-01), Cowardin
patent: 1793154 (1931-02-01), Bellem et al.

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