Gas separation – With means securing or retaining separating media – Unit or cohesive sheet-like media in flow line or frame
Patent
1997-10-14
2000-06-13
Woo, Jay H.
Gas separation
With means securing or retaining separating media
Unit or cohesive sheet-like media in flow line or frame
55499, 55501, 55504, 55521, B01D 4602
Patent
active
060744502
ABSTRACT:
A filter assembly for use in filtering air in an air conditioning system has a front grille through which air enters the assembly and a rear grille through which filtered air is exited. A frame is attached to the grilles, joining these grilles together to form a container structure. An air permeable filter element in the form of a pleated or undulating sheet is installed in the container structure, the opposite ends of the pleated sheet being attached to opposing sides of the frame. The pleated sheet runs between the front and rear grilles and extends from the top to the bottom of the grilles. The filter sheet has a filtering media which may be of microglass on the surface thereof which faces the front grille and a stiffened backing on the surface facing the rear grille. The filter sheet is structurally reinforced by a first set of separate fingers which are individually attached to the front grille and which extend linearly into each of the pleats facing the front grille and a second set of separate fingers which are individually attached to the rear grille and extend into each of the pleats facing the rear grille.
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Pham Minh-Chau T.
Woo Jay H.
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