Hydroponic irrigation valve and system

Details Hydroponic irrigation valve and system Hydroponic irrigation valve and system

1980-06-05

1981-11-17

Bagwill, Robert E.

Plant husbandry

Water culture, apparatus or method

Nutrient recirculation system

47 79, 137430, A01G 3100

Patent

active

043003117

ABSTRACT:
A valve for controlling the level of solution in a plant container of a hydroponic irrigation system is disclosed. The valve includes a chamber having a top wall with an opening for the passage of liquid therethrough and having an inlet port below the top wall. Hydroponic irrigation solution is pumped into the container by way of the inlet port. A closure member within the chamber is moveable into a position blocking the flow of liquid through the opening by a lost-motion connection to a float and is held in its blocking position, so long as the pump continues to operate, by the pressure of the liquid in the chamber.

REFERENCES:
patent: 1067102 (1913-07-01), Failing
patent: 1245893 (1917-11-01), Farrell
patent: 1968293 (1934-07-01), Gould
patent: 2060735 (1936-11-01), Krueger
patent: 3095005 (1963-06-01), Thompson
patent: 3892982 (1975-07-01), Holmes

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