Irrigation system having ground moisture responsive control jar

Details Irrigation system having ground moisture responsive control jar Irrigation system having ground moisture responsive control jar

1993-04-20

1994-09-20

Merritt, Karen B.

Fluid sprinkling, spraying, and diffusing

With cutoff or flow varying means operated by means...

137 783, B05B 1208

Patent

active

053482271

ABSTRACT:
An irrigation control system for regulating the fluid flow to a plurality of spray heads, including a fluid flow controller for each individual spray head, including a pressure operated, biased valve closure member and a slow release control operable in response to ground moisture to operate the valve closure member.

REFERENCES:
patent: 3910300 (1975-10-01), Tal
patent: 4055200 (1977-10-01), Lohoff
patent: 4922945 (1990-05-01), Browne
patent: 4938248 (1990-07-01), Browne
patent: 5117855 (1992-06-01), Goldsmith
patent: 5148825 (1992-09-01), Gil et al.

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