Flow restrictor device particularly useful for drip irrigation

Details Flow restrictor device particularly useful for drip irrigation Flow restrictor device particularly useful for drip irrigation

1986-01-27

1987-12-29

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Conduit or nozzle attached irrigation-type decelerator

239547, B05B 1500

Patent

active

047155434

ABSTRACT:
A flow restrictor device particularly useful as a drip irrigation emitter, comprises a disc-shaped member attachable to a pipe containing a pressurized fluid. The disc-shaped member is formed with an annular recess in one face to be exposed to the pressurized fluid, and with a metering passageway leading from the annular recess to another face to be exposed to the atmosphere. The device further includes an annular member received within the annular recess to partially cover the metering passageway. The latter member is deformable under pressure to restrict or enlarge the metering passageway, and thereby to control the flow of the fluid therethrough, according to the pressure of the fluid at one face of the disc-shaped member.

REFERENCES:
patent: 3216451 (1965-11-01), Smallpeice
patent: 4011893 (1977-03-01), Bentley
patent: 4228956 (1980-10-01), Varner
patent: 4254791 (1981-03-01), Bron

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