Refrigeration – Automatic control – Of external fluid or means
Patent
1986-06-03
1987-08-25
Tanner, Harry
Refrigeration
Automatic control
Of external fluid or means
62180, F25D 1704
Patent
active
046883932
ABSTRACT:
The baffle for controlling flow of chilled air through the divider wall between the frozen food and fresh food compartments of a refrigerator is coupled to a motor driven cam which indexes the baffle open or closed in response to commands from a conventional control unit. Electrical switches positioned around the control surface of the cam, actuated successively during rotation of the cam, operate the compressor, evaporator fan and defrost heater synchronously with the baffle to maintain the frozen food and fresh food compartments at desired temperatures and to control defrosting.
REFERENCES:
patent: 1952350 (1934-03-01), Armstrong
patent: 2778197 (1957-01-01), Legeza et al.
patent: 3058724 (1962-10-01), Maudlin
patent: 3332475 (1967-07-01), Selhost et al.
patent: 3645108 (1972-02-01), Houk
patent: 3975669 (1976-08-01), Tyler
patent: 4282720 (1981-08-01), Stottmann et al.
Janke Donald E.
Linstromberg William J.
Tanner Harry
Whirlpool Corporation
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