Importance

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Abstract

A condensate pump for an HVAC system includes a reservoir, a unitary top support plate, and a cover. A pump motor, an impeller pump, a float, and control electronics are mounted on the unitary top support plate. The transition from the cylindrical volute chamber to the tangential output port of the impeller pump has a swept diagonal surface that creates a gradual transition from the cylindrical volute chamber to the tangential output port. The gradual transition minimizes the pulsing. An intake profile with a concave surface extends from the center of the impeller and matches a complementary intake profile extending from the bottom of the reservoir. Vortex inhibiting vanes are molded into the bottom of the reservoir adjacent the central intake port of the impeller pump to break up any induced vortex within the reservoir.

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First Claim