Electric fish-repelling device
US4593648A · kind A · utility
11Cited by
5References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 1984 |
| Grant date | Jun 10, 1986 |
| Priority date | — |
| Expiry date | Apr 23, 2004 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02B1/006
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An electric fish-scaring device for water inlet and extraction structures contains several main and counter-electrodes below the surface of the water and which are connected to a voltage supply unit. To monitor operation, at least one simulator electrode is positioned at a predetermined distance in front of the main electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.