Potted plant feeder

Details Potted plant feeder Potted plant feeder

1987-08-06

1989-02-21

Huppert, Michael S.

Dispensing

Automatic control

Temperature responsive or soluble controller

2221465, 417207, 219312, F04B 1924, B67D 508

Patent

active

048058041

ABSTRACT:
A water container has an inlet water line and an outlet water line, each with a one-way check valve therein. An electric heater element heats the water, controlled by a thermo switch that senses the temperature of the water. The switch is set to turn on at a low temperature of the water and turn off at a high temperature thereof. Upon heating and expanding of the water, it is forced out through the outlet water line to the cut plants, and upon cooling and contraction of the water, replenishment water is drawn in through the inlet water line.

REFERENCES:
patent: 3065712 (1962-11-01), Buchanan et al.
patent: 3087438 (1963-04-01), Ciesielski
patent: 3437241 (1969-04-01), Pei
patent: 3969605 (1976-07-01), Danell
patent: 4062491 (1977-12-01), Von Skwarski
patent: 4212593 (1980-07-01), Chadwick
patent: 4304528 (1981-12-01), Jordan

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