F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
326/3, 317/3.4
F24F 3/12 (2006.01) H01T 23/00 (2006.01) H05F 3/04 (2006.01)
Patent
CA 1088145
ABSTRACT OF THE DISCLOSURE A method and system for ionizing air passing through a metallic duct, e.g., to maintain precise elec- trically neutral, positive or negative atmosphere in an area, such as a textile mill, by adding charged ions to air being pumped into that area, with at least one elec- trical grid mounted in the duct by means of one or more insulator posts connecting the grid to a duct wall and adapted for connection to a DC high voltage source where- by buildup of conductive material such as grease or lint in a conductive path between the grid and duct wall is prevented. In one embodiment this is accomplished by providing an insulating sleeve within the duct and sur- rounding the grid, this sleeve by protecting against short circuits also permitting high currents to be safely used. In a second embodiment air deflectors mounted on the grid wall deflect the air in the duct away from the insulator posts, preferably with the aid of clean air in- jected between the air deflectors and duct wall.
268107
Best Robert H.
Harris William D.
Burlington Industries Inc.
G. Ronald Bell & Associates
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