Automatic liquid delivery apparatus

Details Automatic liquid delivery apparatus Automatic liquid delivery apparatus

1979-02-28

1982-03-30

Chambers, A. Michael

Fluid handling

Ambient condition change responsive

For controlling soil irrigation

239 63, 47 485, A01G 2500

Patent

active

043219373

ABSTRACT:
An automatic liquid delivery apparatus dispenses liquid from a liquid container or other liquid supply 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 liquid is retained against discharge from the container or supply by air pressure in a liquid passage and is discharged upon release of the air through the detector, when liquid is needed in the receiver or zone.
The automatic liquid delivery apparatus in a liquid feeding system may be used to supply liquid to growing plants; a detector for each plant or group of plants initiates the dispensing of liquid by a delivery apparatus, each detector sensing the moisture requirements of a particular plant.
The automatic liquid delivery 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, and delivers liquid through the passage when the air in the space is released by a control device, which may be a detecting mechanism or other automatic operating element.

REFERENCES:
patent: 3438575 (1969-04-01), Rohling
patent: 3981446 (1976-09-01), Hunter

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