Refrigeration – Automatic control – Refrigeration producer
Patent
1995-11-09
1998-09-08
Wayner, William E.
Refrigeration
Automatic control
Refrigeration producer
62229, 165295, F25B 4100, F25B 100
Patent
active
058028633
ABSTRACT:
A refrigerator for rapidly cooling down and then maintaining a plurality of wine bottles of arbitrary configuration within a selected temperature range comprises a compression type refrigeration unit in association with the refrigerated compartment which receives the wine bottles. The refrigeration unit includes a controllable expansion valve and a control system in which a microcontroller is arranged with a plurality of stored cooldown models as references for bringing the wine bottles to temperature without damage to the wine. Temperature, pressure and air flow measurements are used by a computer programmed to determine the status of the thermal load as affected by the number of wine bottles and their temperatures, and to adjust variations in the load compartment temperature for both cooldown modes and a steady state mode. Given an arbitrary thermal load, the refrigerator system lowers the wine temperature in a maximized but controlled manner so that chilled wine is available in no more than 30 minutes.
REFERENCES:
patent: 4509586 (1985-04-01), Watabe
patent: 4802340 (1989-02-01), Johnson
patent: 4813241 (1989-03-01), Hurutachi et al.
B E Aerospace, Inc.
Wayner William E.
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