Modulated watering device based on watering index percentage
US8260466B2 · kind B2 · utility
2Cited by
17References
11Claims
0Family size
Inventors
Key dates
| Filing date | May 25, 2010 |
| Grant date | Sep 4, 2012 |
| Priority date | — |
| Expiry date | Mar 5, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/189
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A device for controlling an irrigation system includes an interrupter for interconnection in a serial manner between a solenoid return common line and a preexisting irrigation timer, a controller for operating the interrupter in a periodic fashion is provided as well as an adjuster, in communication with the controller, for changing the periodicity of the interrupter operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.