Stream rotor sprinkler
US4398666A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 17, 1981 |
| Grant date | Aug 16, 1983 |
| Priority date | — |
| Expiry date | Feb 17, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B3/0417
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A stream rotor sprinkler has a rotating spray head and a crown configured stream deflector positioned about the spray head to deflect water spray from a nozzle in the spray head wherein the deflector is moved in an eccentrically revolving and rotating motion relative to the sprinkler housing and spray head in response to spray head rotation imparted by a cam on the spray head which engages an inner race on the deflector with the deflector and housing having a loose gear interconnection, circular internal and external gears on the housing and deflector having different numbers of teeth and mating in an arcuate engagement during eccentrical revolving of the deflector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.