Refrigeration – Processes – Circulating external gas
Patent
1983-05-11
1985-07-23
Wayner, William E.
Refrigeration
Processes
Circulating external gas
29611, 219549, 251 11, H05B 334
Patent
active
045302162
ABSTRACT:
A refrigerator system, a control device and methods of making the same are provided, the system having a frozen food compartment and a fresh food compartment operatively interconnected together by the control device having a housing provided with a passage interconnecting the compartments together, the housing having a movable damper valve member controlling the passage and a temperature responsive unit operatively interconnected to the valve member to move the valve member between open and closed positions thereof in relation to the temperature sensed by the unit. An electrical heater is carried by the housing and is disposed adjacent the temperature responsive unit to cause the temperature responsive unit to open the passage when the electrical heater has been energized for a certain period of time.
REFERENCES:
patent: 2122050 (1938-06-01), Stuart
patent: 2367368 (1945-01-01), Osterheld
patent: 3414231 (1968-12-01), Kreuter
patent: 4039777 (1977-08-01), Baker
patent: 4206780 (1980-06-01), Manecke et al.
Admitted Prior Known Refrigerator System and Control Device therefor.
Suggestion by a Non-Inventor.
Robertshaw Controls Company
Wayner William E.
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