Separator and discharger device for waste fluids in dental aspir

Details Separator and discharger device for waste fluids in dental aspir Separator and discharger device for waste fluids in dental aspir

1999-01-19

2000-07-04

Simmons, David A.

Gas separation: apparatus

Degasifying means for liquid

With control means responsive to sensed condition

433 92, 604319, B01D 1900, A61C 1706

Patent

active

060833068

ABSTRACT:
The separator and discharger device for waste fluids in dental plants comprises a separator chamber internally of which a depression is created. A cannula aspirating fluids from a patient's mouth is connected to the separator chamber. Aspirated liquids are discharged into a bottom of the chamber and then removed by means of a drainage pump, while air sent into the separator chamber is extracted from an upper part of the chamber. The drainage pump, downstream of which a single-acting valve is located, is started up when a liquid level in the chamber reaches a predetermined level. The drainage pump is always started up in a state of full immersion in the liquid, even when the single-acting valve is malfunctioning.

REFERENCES:
patent: 3964112 (1976-06-01), Plowman
patent: 4344756 (1982-08-01), Folkenroth
patent: 4684345 (1987-08-01), Cattani
patent: 5018971 (1991-05-01), Trawoger et al.
patent: 5797742 (1998-08-01), Fraker

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