Irrigation system valve controller expansion apparatus

Details Irrigation system valve controller expansion apparatus Irrigation system valve controller expansion apparatus

1999-01-08

2000-10-03

Rivell, John

Valves and valve actuation

Electrically actuated valve

239 69, 307 64, 361167, 3611681, F16K 3102

Patent

active

061261416

ABSTRACT:
An irrigation system valve controller which provides for alternating operation of two conductive output paths from a single energizing input source. The valve controller allows adding new valves to an existing automatic sprinkler system without having to route additional wire between the new valves and the existing system controller, and provides independent control of each valve using a single pair of input power leads from the existing controller.

REFERENCES:
patent: 3521130 (1970-07-01), Davis et al.
patent: 3723827 (1973-03-01), Griswold et al.
patent: 4575004 (1986-03-01), Geiger
patent: 4724505 (1988-02-01), Gelbort
patent: 4985638 (1991-01-01), Brock
"Add'A-Zone", R Co. Parts, Pleasanton, CA, 1996.
"Double Switch", R Co. Parts, Pleasanton, CA, 1996.
"Controllers", Gardener, 4 & 6 Station Residential Controller, Holman Distributors, 10-12 Southport, Leederville, New South Wales, Australia Aug. 23, 1996.
"Irrigation Controls", Two-Up Valve Adaptor, Holman Distributors, 10-12 Southport Street, Leederville, New South Wales, Australia Oct. 17, 1995.
"Irrigation Controls", Solenoid Booster Parts A & B, Holman Distributors, 10-12 Southport, Leederville, New South Wales, Australia Aug. 23, 1996.
"Irrigation Controls", Splitter, Holman Distributors, 10-12 Southport, Leederville, New South Wales, Australia Aug. 23, 1996.
"Irrigation Controls", Valve Locator, Holman Distributors, 10-12 Southport Street, Leederville, New South Wales, Australia Aug. 23, 1996.
"Controller", Model 3414-6,9 & 14 Station, Holman Distributors, 10-12 Southport Street, Leederville, New South Wales, Australia Aug. 23, 1996.

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