Fluid handling – Ambient condition change responsive – For controlling soil irrigation
Patent
1992-10-08
1993-09-07
Chambers, A. Michael
Fluid handling
Ambient condition change responsive
For controlling soil irrigation
137392, 239 65, 200 84R, F16K 1736
Patent
active
052419789
ABSTRACT:
An apparatus (10) for overriding an automatic timer controlled sprinkler system (100); wherein, the apparatus (10) comprises a float member (60) disposed within a two stage screen member (30) secured within a receptacle member (20); and, wherein, the float member (60) is operatively associated with a switch member (50) suspended above the receptacle member (20) for interrupting the flow of electrical current to an automatic timer controlled sprinkler system (100) in response to the level of collected rainwater within the receptacle member (20).
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patent: 3422833 (1969-01-01), Kitrilakis
patent: 3500844 (1970-03-01), Sanner
patent: 4541446 (1985-09-01), Hogan
patent: 4919165 (1990-04-01), Lloyd
Shaw David C. H.
Shaw Judy Z. Z.
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