Speed control apparatus for a rotary sprinkler
US7597273B2 · kind B2 · utility
29Cited by
29References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2008 |
| Grant date | Oct 6, 2009 |
| Priority date | — |
| Expiry date | Jul 23, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B15/74
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A turbine for a sprinkler is disclosed for self-governing its rotational velocity. As a rate of fluid through the sprinkler increases, particularly when air is used to flush the sprinkler system, a portion of the turbine shifts outwardly so as to decrease alignment of vanes located thereon with directed water streams for controlling the rotation of the turbine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.