Cyclone-type aspirated separator for washing dirt-laden dry airs

Details Cyclone-type aspirated separator for washing dirt-laden dry airs Cyclone-type aspirated separator for washing dirt-laden dry airs

1979-07-05

1981-02-17

Lacey, David L.

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

55257NP, 55429, 55DIG3, 261 78A, 261 79A, 15353, B01D 4716

Patent

active

042512417

ABSTRACT:
This invention relates to a cyclone-type aspirated dirt separator for use in washing dirt from dirt-laden dry airstreams and, more particularly, to a device of the class described which is especially suited for use with a dry pick-up vacuum cleaner as a means for collecting the dirt it picks up in a water bath. The separator is characterized by a riser tube with an open top and an opening in its lower end immersed in a water bath into which dirt-laden dry air is introduced tangentially for ascending spiral movement therethrough while simultaneously aspirating water. Internal baffles create turbulent flow in the water/dirt-laden air mixture and they thus prevent vortexing which otherwise results in a relatively unwashed dirt-laden air column centered inside a hollow water column. A venturi adjacent the outlet of the riser tube accelerates the turbulent mixture against a dome in the underside of the cannister lid where the clean air separates and the dirt-laden water cascades down the outside of the riser tube back into the bucket containing the water bath. The invention also contemplates a removable cannister lid and aspirator subassembly that provides ready access to the bucket containing the dirty water that sits inside the cannister well.

REFERENCES:
patent: 941676 (1909-11-01), Green
patent: 978739 (1910-12-01), Griswold et al.
patent: 1363860 (1920-12-01), Fetters et al.
patent: 2069889 (1937-02-01), Lowther
patent: 2184731 (1939-12-01), Brewer
patent: 2832432 (1958-04-01), Fanton
patent: 3464189 (1969-09-01), Mergenthaler
patent: 4078908 (1978-03-01), Blackman
patent: 4117714 (1978-10-01), Goodson et al.

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