Automatic control incorporated within lawn watering systems

Details Automatic control incorporated within lawn watering systems Automatic control incorporated within lawn watering systems

1997-05-30

1998-10-27

Morris, Lesley D.

Fluid sprinkling, spraying, and diffusing

With selectively preset flow cutoff or initiating means

By programming means

293 75, 137 782, A01G 2516, B05B 1210

Patent

active

058267921

ABSTRACT:
An electrically operated water control valve is interposed in a sprinkler water line extending from a building structure and which is controlled by an air temperature sensor so that the water control valve will be turned off when the air temperature drops to a predetermined level and so that the water control valve will be turned on when the air temperature rises to a predetermined level.

REFERENCES:
patent: 3224676 (1965-12-01), Rauchwerger
patent: 4635668 (1987-01-01), Netter
patent: 4730637 (1988-03-01), White
patent: 4921001 (1990-05-01), Pittsinger
patent: 5139044 (1992-08-01), Otten et al.
patent: 5148826 (1992-09-01), Bakhshaei
patent: 5154349 (1992-10-01), Vaughn
patent: 5464044 (1995-11-01), Brinkerhoff

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