Variable-flow-rate anti-clogging emitter and irrigation method thereof
US11511292B1 · kind B1 · utility
Inventors
Key dates
| Filing date | Jun 1, 2022 |
| Grant date | Nov 29, 2022 |
| Priority date | — |
| Expiry date | Jun 1, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A40/22
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A variable-flow-rate anti-clogging emitter includes an upper casing and a lower casing, where the upper casing and the lower casing are fixedly connected with each other; the upper casing has a flat top surface provided with a water outlet and a bottom surface provided with a truncated conical slot in communication with the water outlet; the lower casing includes a flow channel portion and a discharging portion, which are recessed in an upper surface of the lower casing; the flow channel portion has one end provided with multiple parallel feeding channels and an other end communicated with the discharging portion; one end of a lower surface of the lower casing is provided with an L-shaped platform; water inlets of the multiple feeding channels are arranged on a side wall of the L-shaped platform; and an elastomer flow channel is fixedly provided between the upper casing and the lower casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.