Suction device for liquids

Details Suction device for liquids Suction device for liquids

A - Human Necessities

47

L

A47L 11/34 (2006.01) A47L 7/00 (2006.01) A47L 9/28 (2006.01)

Patent

CA 2041830

Abstract of the Disclosure Known suction devices for liquids are provided with a motor-driven suction fan, that introduces an air/liquid flow via a suction nozzle into a liquid receptacle in which the liquid is separated and collected. In order to avoid introduction of liquid into the motor-driven suction fan a device for monitoring the level of liquid in the receptacle is provided which, when a maximum filling level is reached, activates an emptying display. In order to achieve an exact determination of the filling level of the receptacle it is suggested to provide the monitoring device in the form of a light barrier.

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