Sprinkler unit with alternating stream interruptor
US4836450A · kind A · utility
48Cited by
5References
20Claims
0Family size
Inventor
Key dates
| Filing date | Apr 29, 1988 |
| Grant date | Jun 6, 1989 |
| Priority date | — |
| Expiry date | Apr 29, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B3/0432
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A reversible sprinkler unit includes a stream interruptor that includes a finger that moves into the stream for interrupting it on one direction of rotation of the nozzle and moves out of the stream on the other direction of rotation of the nozzle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.