Intermittent type swirl injection nozzle

Details Intermittent type swirl injection nozzle Intermittent type swirl injection nozzle

1985-05-14

1987-03-31

Peters, Jr., Joseph F.

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

239464, 239473, F02M 6100

Patent

active

046536949

ABSTRACT:
In an intermittent type swirl injection nozzle including a nozzle body having a through hole and a spray hole, a needle valve inserted into the through hole, and a partition member of a cylindrical shape fittedly and fixedly inserted into the through hole, a gap area between the needle valve and the partition member is increased in accordance with the lift of the needle valve. For this purpose, a tapered portion and a top end face are provided on the partition member in a manner that they contact with a tapered portion and a step portion provided on the needle valve when the needle valve is in a position to close the spray hole. The resultant injection nozzle has a variable injection rate and spray angle.

REFERENCES:
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patent: 4365746 (1982-12-01), Tanasawa et al.
patent: 4467965 (1984-08-01), Shinner
patent: 4526143 (1985-07-01), Oshima

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