Rotary sprinkler with velocity controlling valve
US5823440A · kind A · utility
55Cited by
11References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 1996 |
| Grant date | Oct 20, 1998 |
| Priority date | — |
| Expiry date | Apr 23, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B15/74
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A sprinkler unit comprises a housing having an inlet for connecting to a source of water, a rotating head mounted in an upper end of the housing and including an outlet for distributing a stream of water outward from the housing, a passage connecting the inlet to the outlet, and a pressure responsive inlet valve including a damper mounted in the passage at the inlet, the damper controlling the rate of opening of the valve for controlling flow of fluid through the valve to the nozzle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.