Patent ID: 6530346
Filing Date: 2003-03-11
Classification: F04D

Abstract:
A non-dilution air water heater blower for expelling exhaust gases from a water heater, the blower comprising:a blower housing defined by an outer wall, the outer wall having an upper section and a lower section; a blower motor having a motor shaft wherein the blower motor is mounted to the outside of the blower housing to prevent exhaust gases from contacting the motor; an inlet plate mountable within the blower housing between the upper section and the lower section, wherein a top surface of the inlet plate and the upper section of the blower housing outer wall define an upper chamber and a bottom surface of the inlet plate and the lower section of the blower housing outer wall define a lower chamber, wherein the inlet plate includes an inlet aperture that allows for fluid communication between the upper chamber and the lower chamber; and an impeller secured to the motor shaft and situated in the upper chamber such that the impeller can freely rotate within the upper chamber to draw exhaust gases from the water heater into the upper chamber.