Rotary sprinklers
US4886211A · kind A · utility
19Cited by
8References
11Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Mar 29, 1988 |
| Grant date | Dec 12, 1989 |
| Priority date | — |
| Expiry date | Mar 29, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B3/0426
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A rotary sprinkler includes a nozzle producing a jet axially of the nozzle, and a rotor configured to deflect the axial jet laterally of the nozzle. The rotor is formed with a socket receiving a pin, and a high viscosity fluid in the rotor socket is effective to apply a retarding force to the rotor during its rotation with respect to the pin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.