Automatic watering zone switcher

Details Automatic watering zone switcher Automatic watering zone switcher

1988-12-09

1990-05-01

Hepperle, Stephen M.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

13762418, F16K 1122

Patent

active

049210025

ABSTRACT:
A device which switches water flow from an outlet sequentially between two other outlets automatically in response to turning the water supply on and off, by using hydraulic energy of the water, and energy from a spring to manipulate a pair of positions along a predetermined path into positions of appropriately opening and closing the outlets.

REFERENCES:
patent: 2219656 (1940-10-01), Miller
patent: 3459208 (1969-08-01), Clyde
patent: 3524470 (1970-08-01), Kah et al.
patent: 4085769 (1978-04-01), van Haaften
patent: 4116216 (1978-09-01), Rosenberg
patent: 4350176 (1982-09-01), Lace
patent: 4530373 (1985-07-01), Bork et al.
patent: 4643217 (1987-02-01), Frentzel
patent: 4729406 (1988-03-01), Frentzel
patent: 4796657 (1989-01-01), Baker

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