Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1994-07-01
1995-08-08
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15345, 15395, 15406, F23J 302
Patent
active
054387299
ABSTRACT:
A cleaner for air distributing duct systems of buildings has a motor driven fan for developing a vacuum for the suction of contaminants and air from the interior of the ducts and for forcing the obtained contaminated air stream under positive pressure, relative to the ambient, through multiple stages of filtration. The filtered air is discharged locally within the building. Measurement and display of the vacuum and prefilter air pressures indicate to an attendant the status of the cleaner operation and the condition of the air filters. A viewing window allows observation of the contaminated air stream and the prefilter. A pneumatically driven agitator of multiple whips is introduced into the duct system to dislodge adhering contaminants from the interior walls of the ducts. The vertical stacking of modular subunits gives access for servicing each stage of filters and provides roll-about portability of the cleaner.
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Moore Christopher K.
Osborne, Sr. Eugene F.
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