Patent ID: 11971196
Assignee: REGAL BELOIT AMERICA, INC.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 3:
4. A draft inducer blower assembly for use with a fossil-fuel water heater, the blower assembly comprising:
a housing, a motor, and a fan;
the housing having an exhaust volute surrounding the fan, an inlet port, and an exhaust port, the inlet port and the exhaust port being in fluid communication with the exhaust volute, the housing being configured and adapted to be mounted atop the water heater, the inlet port being adapted and configured to receive exhaust gas from the water heater when the housing is mounted atop the water heater, the fan being connected to the motor for rotation about a rotation axis, the housing being configured and adapted such that, when the housing is oriented to discharge exhaust gas vertically upwardly through the exhaust port, the exhaust port is lower than a top of the exhaust volute.