Automatic controller for injection of additives into irrigation

Details Automatic controller for injection of additives into irrigation Automatic controller for injection of additives into irrigation

1988-12-21

1990-04-17

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With cutoff or flow varying means operated by means...

With overriding second control means

239 69, 239 70, 239304, 239727, A01C 2304

Patent

active

049173049

ABSTRACT:
An injection control system selectively to activate circuitry for controlling injection of additive chemicals into an existing automatically timed irrigation system having an irrigation timer. This control system includes a plurality of storage reservoirs for storing one or more additives. Conduits deliver these additives to the existing irrigation system. The control system includes a central processor programmed for intended operation, and sensors sensing the flow condition valves in the existing irrigation system. The control system thereby controls supply of additives during the operation of the existing system.

REFERENCES:
patent: 2905117 (1959-09-01), Dugan
patent: 4015366 (1977-04-01), Hall
patent: 4121767 (1978-10-01), Jensen
patent: 4456176 (1984-06-01), Agius
patent: 4545396 (1985-10-01), Miller et al.
patent: 4626984 (1986-12-01), Unruh et al.
patent: 4635848 (1987-01-01), Little
patent: 4708162 (1987-11-01), Bayat

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