Method and device for measuring the required cooling capacity of

Details Method and device for measuring the required cooling capacity of Method and device for measuring the required cooling capacity of

1979-12-28

1981-10-27

Gill, James J.

Measuring and testing

Gas content of a liquid or a solid

By vibration

62127, 165 11R, G01K 1700

Patent

active

042966272

ABSTRACT:
A method and device for measuring the required cooling capacity of a cold space is disclosed. The method includes the steps of cooling the cold space to a first low temperature below an ambient temperature, permitting the temperature of the space to rise to a second higher temperature below the ambient temperature during a first period, measuring the length of the first period, cooling the space again to the first low temperature during a second period, measuring the length of the second period, permitting the temperature to rise to a second higher temperature during a third period, heating the space during the third period by a known amount, and measuring the length of the third period to determine the thermal capacity of the space using the known amount of heating the measured first, second and third periods. The disclosed device includes a thermostat having a temperature sensor connected to the space for sensing the temperature, a refrigeration unit for cooling the space, a clock connected to the thermostat for measuring the period, and a heating means connected to the thermostat for heating the space during a third period.

REFERENCES:
patent: 2178020 (1939-10-01), Kucher
patent: 4172555 (1979-10-01), Levine
patent: 4200910 (1980-04-01), Hall

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