| 主权项 |
1. A heat pump water heater appliance, comprising:
a casing; a tank positioned within the casing and defining an interior volume; a sealed system configured for heating water within the interior volume of the tank, the sealed system having an evaporator positioned within the casing; an intake duct extending to the casing and configured for directing a flow of air towards the evaporator within the casing; an exhaust duct extending from the casing and configured for directing the flow of air out of the casing; a damper valve coupled to the intake duct or the exhaust duct, the damper valve comprising
an outer sleeve defining an inner volume for receiving the flow of air, the outer sleeve defining a plurality of radial openings, the outer sleeve having a flow plate positioned within the inner volume of the outer sleeve, the flow plate of the outer sleeve defining a plurality of axial openings; andan inner sleeve pivotally mounted within the outer sleeve, the inner sleeve pivotable between a first position and a second position, the inner sleeve defining a plurality of radial openings, the plurality of radial openings of the inner sleeve aligned with the plurality of radial openings of the outer sleeve when the inner sleeve is in the first position, the inner sleeve having a flow plate positioned within the inner volume of the outer sleeve, the flow plate of the inner sleeve defining a plurality of axial openings, the plurality of axial openings of the inner sleeve aligned with the plurality of axial openings of the outer sleeve when the inner sleeve is in the second position. |
