A - Human Necessities – 01 – D
Patent
A - Human Necessities
01
D
56/7
A01D 44/00 (2006.01)
Patent
CA 1269845
ABSTRACT "SUCTION HARVESTER FOR AQUATIC PLANTS AND ANIMALS" A suction harvester for aquatic plants and animals comprising a variable rate centrifugal pump capable of handling solids mounted on a vessel (1) and connected to a manoeuvrable nozzle (14). The operator can control the placement of the nozzle (14) 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 (1) in shallow water is also described, comprising spiked wheels (46) driven by independent motors (40) on the end of adjustable arms, (41), the spikes engaging the bed of the water body for accurate location and propulsion with minimum disturbance.
518745
Bell John Robert
Swabey Ogilvy Renault
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