Fluid handling – Systems – With flow control means for branched passages
Patent
1976-06-18
1978-04-04
Schaefer, Robert K.
Fluid handling
Systems
With flow control means for branched passages
361357, 239 66, 307115, E03B 100
Patent
active
040821170
ABSTRACT:
An irrigation control system for selectively irrigating remote zones of an area to be irrigated, wherein each zone has an electromagnetically operated control valve, and a centrally located control box is provided having a zone selector switch, a power control switch for controlling the supply of power to the system, a power indicator light, a replaceable fuse, a valve reset button, and a simple and economical control circuit therefor.
REFERENCES:
patent: 2541679 (1951-02-01), Van Auken
patent: 2625591 (1953-01-01), George
patent: 3400891 (1968-09-01), Mattwell
Ginsburg Morris
Schaefer Robert K.
Tushin Aaron
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