Lawn sprinkler fertilizer device

Details Lawn sprinkler fertilizer device Lawn sprinkler fertilizer device

1988-08-17

1989-10-03

Chambers, A. Michael

Fluid handling

Systems

Programmer or timer

137413, 239 70, 239310, F16K 3118

Patent

active

048709913

ABSTRACT:
An apparatus for directing a liquid fertilizer into an irrigation system having a liquid fertilizer flow conduit with the valve of a solenoid valve and the float of a float switch located in series and an electric circuit with the switch of the float switch, solenoid of the solenoid valve and automatic timer device in series. The apparatus directs fertilizer therethrough when electricity is delivered to the switch, solenoid, and automatic timer device when the switch is closed by the float and the timer is conducting electricity.

REFERENCES:
patent: 3843056 (1974-10-01), Nye
patent: 4121767 (1978-10-01), Jensen
patent: 4456176 (1984-06-01), Agius
patent: 4545396 (1985-10-01), Miller et al.
patent: 4768712 (1988-09-01), Terrell

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