Suction device for liquids

Details Suction device for liquids Suction device for liquids

1991-05-03

1993-12-07

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15339, 15353, 55216, A47L 928

Patent

active

052673707

ABSTRACT:
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.

REFERENCES:
patent: 3286444 (1966-11-01), Boswinkle et al.
patent: 4207649 (1980-06-01), Bates

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