Pulsed irrigation control valve with pressure relief
US5794849A · kind A · utility
Inventor
Key dates
| Filing date | Nov 13, 1995 |
| Grant date | Aug 18, 1998 |
| Priority date | — |
| Expiry date | Nov 13, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7836
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention provides an irrigation control valve for converting water supplied to the irrigation control valve at a constant, low-volume flow rate into a pulsed, high-volume flow rate discharge. The irrigation control valve includes a control valve body having an inlet coupled to the water supply tube, an accumulation chamber, a mist port and a mist valve assembly for intermittently discharging the water from the accumulation chamber out of the mist port. The irrigation control valve further includes a pressure relief valve assembly operably coupled to the water supply tube for relieving the pressure within the accumulation chamber when the irrigation control valve is not in use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.