A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
15/61
A47L 7/00 (2006.01) A47L 5/18 (2006.01) A47L 5/32 (2006.01) A47L 9/10 (2006.01) E01H 1/08 (2006.01) E01H 1/10 (2006.01)
Patent
CA 1111620
ABSTRACT In order to completely collect contaminated solids or liquids from dry bases or surfaces of liquids, a depression up to 0.1 bar is gen- erated by a jet pump, so that the materials can be sucked up even over differences in height of almost 10 meters. The jet pump is arranged in a closed water circuit. As a drive unit for the water circulation one uses a centrifugal pump, preferably a fire-hose pump. In order to prevent the contaminants from getting into the water circuit a collecting vessel for the contaminated materials is arranged in the suction line.
318529
Crema Erhard
Fetherstonhaugh & Co.
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