Patent ID: 9022846
Filing Date: 2015-05-05
Classification: E03D,F04D,F21V,F24F

Abstract:
1. A ventilation exhaust fan, comprising: a one-piece housing having closed top, side walls and open bottom, the housing adapted to be mounted to a ceiling with the closed top and open bottom being parallel to the ceiling, the closed top having an opening therethrough; a blower wheel inside of the housing, the blower wheel having a rotational axis mounted perpendicular to the top of the housing; a motor mount board having an opening therethrough, the motor mount board having a bent side edge with an outer edge being directly attached to pass through the opening in the closed top of the housing; a 110 CFM generating motor having top, bottom, side walls, and protruding flange edges on the sidewalls substantially midway between the top and the bottom, the protruding flange edges being attached to edge portions about the opening in the motor mount board so that the motor has a lower portion partially inside of the blower wheel, and an upper portion above the blower wheel, such that the motor mount board is located substantially at a midway point on the sidewalls of the motor; and a flush mounted grill cover, wherein air enters into the housing through openings in the grill cover, and is exhausted by the motor run blower.