Gas separation – With inflow gas control or distribution – With heating or cooling means or having insulation
Patent
1985-07-29
1987-07-07
Prunner, Kathleen J.
Gas separation
With inflow gas control or distribution
With heating or cooling means or having insulation
55316, 55412, 55493, 55503, 55511, 55DIG3, 55DIG31, 981151, B01D 4642
Patent
active
046784896
ABSTRACT:
A filter apparatus is disclosed for removing contaminants directly from paper handling machines in data processing rooms. Such contaminants include paper dust and carbon black from high speed paper handling machines such as computer printers, paper cutters and the like. The apparatus comprises a wheeled housing having a top cover with an outlet grille. A squirrel cage fan is suspended from the cover beneath the grille. A filter pack is mounted beneath the fan. The bottom of the housing has an inlet opening connected to a duct which passes air from the machine being serviced, through the filter pack and out the grille.
A vacuum motor is mounted in the bottom of the housing and connected to a flexible hose for picking up material on the floor as well as spillage from inside the data processing machines. This material is passed through an in-line filter. The air from both the duct and the flexible hose is passed through the filter pack.
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Bertelsen John C.
Chandler Charles W.
Prunner Kathleen J.
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