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Stand-alone mechanical device for controlled watering

US-7921865-B2

Abstract

The invention concerns an exclusively mechanical stand-alone device for controlled watering by sprinkling, wherein a soil simulating member, having an absorbent body associated with a reclinable cup arranged beneath, contributes to determination of the interval between two watering operations. A balance arm, bearing the absorbent body and an annular magnet, is mounted and balanced by a compressed spring, contributing to the determination of the opening and closing times of a valve. The valve includes a hydraulic relay with a nozzle triggering its opening or closure, in response to the displacement of the magnet field. An impermeable sleeve encloses the core and the nozzle. A sliding canopy enables one of the parameters determining the duration of the watering operation to be adjusted. A thermostatic element has an adjustable position preventing watering in sunshine. The device is mounted rotating on a pivot including the base of the sleeve and a tail unit.

Patent figures（8）

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Source status & events

No source-status events are recorded.

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