Pressure responsive regulated flow restrictor useful for drip ir

Details Pressure responsive regulated flow restrictor useful for drip ir Pressure responsive regulated flow restrictor useful for drip ir

1993-07-30

1995-03-28

Grant, William

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

239542, 239547, B05B 102, B05B 1500

Patent

active

054009731

ABSTRACT:
A drip irrigation emitter includes a plurality of baffles defining a labyrinth in which the baffles form clearances of different heights with respect to one of the housing walls, and in which either the housing wall or the baffles are displaced to open or close the clearances sequentially, thereby varying the resistance of the labyrinth to the flow of fluid therethrough in response to variations in the pressure of the fluid at the housing inlet.

REFERENCES:
patent: 3998427 (1976-12-01), Bentley
patent: 4177946 (1979-12-01), Sahagun-Barragan
patent: 4366926 (1983-01-01), Mehoudar
patent: 4502631 (1985-03-01), Christen
patent: 4687143 (1987-08-01), Gorney et al.
patent: 4728042 (1988-03-01), Gorney et al.
patent: 4817875 (1989-04-01), Karmeli et al.
patent: 5111996 (1992-05-01), Eckstein
patent: 5236130 (1993-08-01), Hadar

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