Regulated flow-reducing device particularly useful for drip irri

Details Regulated flow-reducing device particularly useful for drip irri Regulated flow-reducing device particularly useful for drip irri

1977-02-03

1978-08-08

Blunk, Evon C.

Fluid sprinkling, spraying, and diffusing

With cleaning means, drip collecting, waste disposal or soil...

Nozzle cleaner, flusher or drainer

138 43, 138 46, 2395331, 239542, 239570, B05B 130

Patent

active

041051629

ABSTRACT:
A regulated flow-reducing device particularly useful for drip irrigation comprises a flow-retarding member disposed in a housing, the member being formed with a circuitous fluid flow pathway defined at least in part by recesses formed in both its opposed faces, and a flat regulator member disposed between the flow-retarding member and the housing inlet such that the inlet face of the regulator member is subject to the fluid pressure at the inlet of the housing. The flat regulator member is in contact with and covers the inlet face of the flow-retarding member except for its inlet end to provide communication between the latter and the housing inlet. The flow-retarding member is made of resilient material so that both its recessed faces are deformable by the inlet pressure whereby the cross-sectional area of the recesses on both faces of the flow-retarding member are varied in accordance with the inlet pressure.

REFERENCES:
patent: 2511733 (1950-06-01), Morrison
patent: 3791587 (1974-02-01), Drori
patent: 3882892 (1975-05-01), Menzel
patent: 3998391 (1976-12-01), Lemelshtrich
patent: 4011893 (1977-03-01), Bentley

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