Fluid handling – Ambient condition change responsive – For controlling soil irrigation
Patent
1989-07-07
1990-04-24
Chambers, A. Michael
Fluid handling
Ambient condition change responsive
For controlling soil irrigation
200 84R, 239 65, 417 44, F16K 1736
Patent
active
049191659
ABSTRACT:
An irrigation system control apparatus which includes an adjustable float switch mounted within a rain collector receptacle which switch is actuated in response to a predetermined amount of rainfall to terminate the operation of the motor and pump assembly of the irrigation system.
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patent: 3823874 (1974-07-01), Kroeck
patent: 4059227 (1977-11-01), Hunter
patent: 4541446 (1985-09-01), Hogan
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