Moisture sensing apparatus and method

Details Moisture sensing apparatus and method Moisture sensing apparatus and method

1976-05-17

1977-11-22

Love, John J.

Fluid sprinkling, spraying, and diffusing

Processes

73314, 73319, 137 41, 137 78, 222 37, 239 66, 239 67, 239 73, B05B 1212, A01G 2516, G01F 2306

Patent

active

040592278

ABSTRACT:
Method and apparatus for sensing moisture by exposing water in a container to the atmosphere, sensing changes in the volume of the exposed water due to ambient weather conditions, controlling an electrical signal related to the sensed change and controlling the operation of an irrigation system, such as a plurality of solenoid-actuated pilot valves associated with sprinklers of the irrigation system, in response to the signal.

REFERENCES:
patent: 2946512 (1960-07-01), Richards
patent: 3339842 (1967-09-01), Hoeppel
patent: 3361356 (1968-01-01), Johnson et al.
patent: 3646293 (1972-02-01), Howard
patent: 3946177 (1976-03-01), Carrico

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