Grease filter assembly for

Abstract

A grease filter assembly for use in a range hood to remove airborne grease is disclosed to include an air deflector with guide rollers and grille, a roll of grease filter mounted in a filter supply chamber at the air deflector with one end of the grease filter extending out of the filter supply chamber over the grilles and the guide rollers into a waste filter collecting chamber, and a motor mounted in the air deflector and controllable to transfer the grease filter into the waste grease collecting chamber by means of a sheet-transfer cylinder and an impression cylinder.

1 . A grease filter assembly for use in a range hood, comprising:
 an air deflector mountable in a range hood, said air deflector having a back side, a filter supply chamber and a waste filter collecting chamber arranged on a middle part of said back side, a plurality of guide rollers mounted on said back side at locations in a predetermined grease filter dispensing path, and a plurality of grilles perpendicularly arranged on said back side along the border area of said back side between each two adjacent guide rollers,   a motor mounted on the back side of said air deflector near said waste filter collecting chamber;   a sheet-transfer cylinder coupled to and rotatable by said motor;   an impression cylinder perpendicularly pivoted to the back side of said air deflector in proximity to said sheet-transfer cylinder in a parallel manner for pressing a grease filer on said sheet-transfer cylinder for enabling the grease filter to be delivered forwards; and   a roll of grease filter mounted in said filter supply chamber for enabling one end of the grease filter thereof to be pulled out of said filter supply chamber and extended over said grilles and said guide rollers and retained between said sheet-transfer cylinder and said impression cylinder and then inserted into said waste filter collecting chamber.