Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1992-08-21
1994-05-17
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15314, 15413, 154222, 4174238, 4174235, A47L 538
Patent
active
053116402
ABSTRACT:
A dry vacuum apparatus for a dental operatory features an in-line configuration wherein a power unit subassembly is directly mounted upon a collection tank with a pair of brushless DC vacuum motor fan units in axially aligned, vertically stacked reverse relation with air inlets of the motors confronting one another and with a vacuum air outlet of one blower connected in series relation to a vacuum air inlet of the other blower, an air cooling circuit being provided for supplying cooling air to a common sealed plenum chamber servicing the confronting motor air inlets and also to the vacuum air inlets of the blowers.
REFERENCES:
patent: Re24755 (1959-12-01), Winter
patent: Re32027 (1985-11-01), Hyatt et al.
patent: 184461 (1876-11-01), Cooper
patent: 2864166 (1958-12-01), Shaw
patent: 3012322 (1961-12-01), Thompson
patent: 3017886 (1962-01-01), Thompson
patent: 3078579 (1963-02-01), Jones et al.
patent: 3138873 (1964-06-01), Bishop
patent: 3240000 (1966-03-01), Hayes et al.
patent: 3291508 (1966-12-01), Kolthoff, Jr.
patent: 3457645 (1969-07-01), Swanson
patent: 3848290 (1974-11-01), Bates
patent: 4231133 (1980-11-01), Probost
patent: 4475264 (1984-10-01), Schulz
patent: 4651380 (1987-03-01), Ogden
patent: 4783878 (1988-11-01), McCambridge
patent: 4934017 (1990-06-01), Kent
patent: 5099543 (1992-03-01), Wade
MVS Central Evacuation System (copyright 1972 by Densply International, Inc.) brochure.
AMETEK Lamb By-Pass Vacuum Motor Operating and Installation Instructions brochure.
Vortex Blowers In Series or Parallel (Spencer Turbine Company, Windsor Conn.) brochure.
AMETEK Bulletin WBM 570-0002 "Brushless DC Motor-Driven Blowers" brochure.
LandOfFree
Dental vacuum apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dental vacuum apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dental vacuum apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-868634