Automatic liquid delivery apparatus

Details Automatic liquid delivery apparatus Automatic liquid delivery apparatus

1982-05-18

1985-09-24

Chambers, A. Michael

Fluid handling

Ambient condition change responsive

For controlling soil irrigation

137136, 47 485, 47 79, 239 63, A01G 2500

Patent

active

045427623

ABSTRACT:
An automatic liquid delivery apparatus which employs no moving parts and requires no external source of energy except gravity to operate, dispenses liquid from a constantly available source, which is open to the atmosphere, to a receiver or zone requiring liquid in response to a detector which is located in the zone and initiates discharge of the liquid. The apparatus includes a valve device which retains liquid against discharge from a container or supply by air pressure confined in a space in a passage. The valve device delivers liquid through the passage when air in the space is released by a control device. The control device is a detecting mechanism or other automatic operating element. The detecting mechanism can sense the moisture level in soil, in liquid, in roots growing in moist air, in plant tissues or any other location where moisture differentials can be detected.

REFERENCES:
patent: 753174 (1904-02-01), Smith
patent: 3438575 (1969-04-01), Rohling
patent: 3758987 (1973-09-01), Crone, Jr.
patent: 4321937 (1982-03-01), Littlehale

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