Suction harvester for aquatic plants and animals
US4779404A · kind A · utility
7Cited by
11References
9Claims
0Family size
Inventor
Key dates
| Filing date | Sep 18, 1986 |
| Grant date | Oct 25, 1988 |
| Priority date | — |
| Expiry date | Sep 18, 2006 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/8875
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A suction harvester for aquatic plants and animals comprising a variable rate centrifugal pump capable of handling solids mounted on a vessel and connected to a manoeuvrable nozzle. The operator can control the placement of the nozzle and degree of suction applied by the pump to selectively harvest weed or algal mats, etc. from the bed of the water body. A location or manoeuvring system for the vessel in shallow water is also described, comprising spiked wheels driven by independent motors on the end of adjustable arms, the spikes engaging the bed of the water body for accurate location and propulsion with minimum disturbance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.