Other

Comair Rotron Inc.

Philip J Bowen

Fred A Brown

Jeffrey E From

A draft inducer is disclosed. The draft inducer includes an impeller having one or more backward curved blades. The impeller is coupled to a motor which is preferably a DC motor. The DC motor resides at the center of the impeller and is housed within the impeller structure. The draft inducer may be mounted on a hot water heater between the hot and cold water pipes such that the impeller spins about a vertical axis.

Draft inducer having a backward curved impeller

A condensation removal apparatus is disclosed. The condensation removal apparatus is used with a hot water heater wherein the hot water heater produces a fuel exhaust. The fuel exhaust from the hot water heater is provided to a draft inducer through an inlet which includes a thermally conductive plate having a hole through which the fuel exhaust flows. The draft inducer mixes ambient air with the fuel exhaust and reduces the temperature of the mixture as compared to the fuel exhaust. The mixture is directed to an outlet of the draft inducer and through piping into another environment. As the mixture cools, condensation forms within the piping. The condensation drips back down through the draft inducer. The condensation is then directed onto the thermally conductive plate. Since the thermally conductive plate maintains a high temperature, the condensation is turned from a liquid form into a gaseous form and is directed back through the draft inducer to the outlet.

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San Diego, CA, United States of America

Philip J Bowen