Rainfall detecting automatic sprinkler control system

Details Rainfall detecting automatic sprinkler control system Rainfall detecting automatic sprinkler control system

1997-06-26

1998-12-29

Weldon, Kevin

Fluid sprinkling, spraying, and diffusing

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

137 783, B05B 1208

Patent

active

058531254

ABSTRACT:
A new Rainfall Detecting Automatic Sprinkler Control System for controlling an automatic sprinkler system according to the amount of precipitation received. The inventive device includes a hollow conical member having a plurality of apertures projectable into ground, an elongated tube secured coaxially within the conical member, a float member within the tube, an insulated rod, a first and second contact, and a contact disc. The enlarged open end of the hollow conical member captures precipitation which is collected within thereof. The float member is elevated in relation to the amount of collected precipitation thereby elevating the insulated rod which opens the electrical connection between the first contact and the second contact for controlling the automatic sprinkler system.

REFERENCES:
patent: 3174496 (1965-03-01), Hoeppel
patent: 3339842 (1967-09-01), Hoeppel
patent: 3374324 (1968-03-01), McGrann
patent: 3628194 (1971-12-01), Liliendahl
patent: 3840180 (1974-10-01), Wagner
patent: 4055200 (1977-10-01), Lohoff
patent: 4114647 (1978-09-01), Furman
patent: 4607399 (1986-08-01), Yovanofski

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