Valves and valve actuation – Electrically actuated valve
Patent
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.
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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
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O'Banion John P.
Rivell John
LandOfFree
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