Refrigeration – Compartment access or use and air blocking
Patent
1986-06-03
1987-05-05
King, Lloyd L.
Refrigeration
Compartment access or use and air blocking
62408, 62441, F25D 2302
Patent
active
046621865
ABSTRACT:
A refrigerating apparatus is disclosed. The apparatus comprises a housing having at least one food storage compartment. A fan and an evaporator are provided for generating a stream of chilled air. A delivery duct carries the chilled air to a delivery vent opening in the food storage compartment and an air return duct carries air from a return vent opening in the food storage compartment back to the fan and evaporator. A food storage drawer is mounted in the food storage compartment and is slidably movable between an open and closed position. The drawer has inlet and outlet vent openings to positions adjacent the delivery and return vent openings when the drawer is in its closed position. Movable dampers are mounted adjacent each vent opening and are biased toward a closed position blocking the vent openings. Push rods are mounted on the ducts and the drawer which engage and open the dampers when the drawer is moved into its closed position thereby allowing air to flow between the delivery vent opening and the inlet opening and between the outlet opening and the return vent opening. When the drawer is moved out of its closed position, the springs bias the dampers to their closed positions.
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