Refrigeration – Automatic control – Of external fluid or means
Patent
1988-06-22
1990-02-27
Tapolcai, William E.
Refrigeration
Automatic control
Of external fluid or means
62231, 62275, 137341, 219209, F25D 1708
Patent
active
049035010
ABSTRACT:
An air baffle for a refrigeration apparatus is provided with means for preventing freeze up of the baffle. The baffle includes a fixed plate and a movable plate each having corresponding apertures therethrough for permitting the control of air flow to a fresh food compartment. The fixed plate is provided with a heating device molded therein which is operable to maintain the fixed plate above the freezing temperature to prevent moisture from freezing thereon. Additionally, spacer means are provided for maintaining the movable plate in spaced relation with the fixed plate, and for preventing the movable plate from coming into contact with an actuator device. The spacer means add to the prevention of freeze up problems as by minimizing moisture which might bridge and freeze up between the movable plates and the fixed plate, or the movable plate and the actuator device.
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patent: 4732010 (1988-03-01), Linstromberg et al.
patent: 4759198 (1988-07-01), Yamada
Tapolcai William E.
Whirlpool Corporation
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