Automatic plant watering apparatus

Details Automatic plant watering apparatus Automatic plant watering apparatus

1998-07-24

2000-10-17

Carone, Michael J.

Plant husbandry

Receptacle for growing medium

Irrigator

A01G 2706

Patent

active

061313335

ABSTRACT:
An automatic plant watering apparatus is described in which a plant's growing medium is maintained uniformly moist. A one-piece water-holding body used in conjunction with a moisture-sensitive valve. The water-holding body includes a central filling chamber flanked by two reservoir chambers. A continuous air duct surrounds the periphery of the two-reservoir chambers and filling chamber. One end of the duct is coupled to a capillary plug which operates as a moisture-sensitive valve. By controlling the conducting of air ambient pressure is utilized to regulate the flow of water from the reservoirs into the planting medium.

REFERENCES:
patent: 3049834 (1962-08-01), Heath
patent: 4557071 (1985-12-01), Fah
patent: 4741125 (1988-05-01), Demorest
patent: 4819375 (1989-04-01), Baumgartner et al.
patent: 4864771 (1989-09-01), Fah
patent: 4885870 (1989-12-01), Fong
patent: 5546700 (1996-08-01), Kumpf
patent: 5887383 (1999-03-01), Soeda

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