Rotary stream sprinkler unit
US4842201A · kind A · utility
62Cited by
5References
10Claims
0Family size
Inventor
Key dates
| Filing date | Nov 16, 1987 |
| Grant date | Jun 27, 1989 |
| Priority date | — |
| Expiry date | Nov 16, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B15/74
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A rotary stream sprinkler unit comprises a body having a water flow passage in which is disposed a flow control unit having one or more arcuate passages configured to control the volume and pressure of a primary stream delivered to a rotary distributor head rotatably mounted at the outlet of the housing for dividing each primary stream into a plurality of final streams and rotating each of the final streams through a selected arc during the rotation of the rotary head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.