Cyclically-operable valve particularly for irrigation

Details Cyclically-operable valve particularly for irrigation Cyclically-operable valve particularly for irrigation

1984-03-29

1985-12-17

Cohan, Alan

Fluid handling

Systems

Programmer or timer

251 54, 251 55, F16K 3148

Patent

active

045587191

ABSTRACT:
A cyclically-operable valve comprises a timer including a reciprocatable member driven by the pressurized fluid through forward strokes, return means for driving the member through return strokes, and a dashpot device coupled to the member and retarding its movement through one of said strokes.

REFERENCES:
patent: 849105 (1907-04-01), Brooks
patent: 1218567 (1917-03-01), Kellan
patent: 3042074 (1962-07-01), Gragbell
patent: 4118005 (1978-10-01), O'Neil

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