REFRIGERATING DEVICE AND MALFUNCTION DETECTING METHOD

PROBLEM TO BE SOLVED: To early find out decrease in refrigerating (or heating) performance due to refrigerant gas leakage. SOLUTION: In this refrigerating device making temperature T inside a refrigerating chamber close to a set temperature Tsby controlling a refrigerating unit, provided are a tempe...

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Bibliographische Detailangaben
1. Verfasser:	SHIMODAIRA YOSHIMI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING REFRIGERATORS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To early find out decrease in refrigerating (or heating) performance due to refrigerant gas leakage. SOLUTION: In this refrigerating device making temperature T inside a refrigerating chamber close to a set temperature Tsby controlling a refrigerating unit, provided are a temperature change detecting means for detecting a temperature change T1-T2inside the refrigerating chamber from passing of a first predetermined time A1 to passing of a second predetermined time A2 after starting of operation of the refrigerating unit, and an abnormality detecting means for determining occurrence of abnormality when the temperature change T1-T2detected by the temperature change detecting means is a predetermined temperature ΔT or smaller. COPYRIGHT: (C)2003,JPO