Gas separation – Plural serial basically diverse separating media – Plural stages in unitary casing
Patent
1984-08-27
1985-12-10
Hart, Charles
Gas separation
Plural serial basically diverse separating media
Plural stages in unitary casing
55444, 55446, B01D 5000
Patent
active
045577390
ABSTRACT:
This is concerned with a sweeper of the type that has a power operated brush that sweeps debris off of a floor or other surface to be cleaned and throws it into a hopper with a vacuum fan arranged to draw air from the hopper through a filter and exhaust it to the atmosphere. More particularly, the sweeper is provided with a precleaner and/or demister which separates the larger particles, and possibly moisture, from the airstream as it moves through the hopper, thereby protecting and/or aiding the filter.
REFERENCES:
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patent: 2292665 (1942-08-01), Schneible
patent: 3221358 (1965-12-01), Dickson
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Brochure entitled "250 Power Sweeper" of the Tennant Company .COPYRGT.1981.
P. 18-12, chapter entitled "Environmental Control" from Mark's Standard Handbook for Mechanical Engineers, 8th Ed., .COPYRGT.1978.
Chapter entitled "Inertial Impactors" from Aerosol Measurement, Dale A. Lundgren et al., editors, .COPYRGT.1979.
Fortman Lloyd D.
Kinter Mark D.
Hart Charles
Tennant-Company
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