DEFROST STARTING METHOD AND DEVICE FOR REFRIGERANT EVAPORATORS

The expansion valve is controlled by expansion valve controlling computer. When the maximum valve capacity of the expansion valve became lower value than the setting value by increase of the frost amount which has accumulated on the refrigerant evaporator, defrost starts its running by the signal fr...

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Bibliographic Details
Main Authors DOI, MASATOSHI, UMADA, KOHNOSUKE, ASATO, MORIHIRO, IWAKIRI, SHIGETOSHI, HAMAZAKI, TOSHIAKI
Format Patent
LanguageEnglish
Published 30.11.1994
Edition5
Subjects
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 OR COOLING
REFRIGERATORS
WEAPONS
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Summary:The expansion valve is controlled by expansion valve controlling computer. When the maximum valve capacity of the expansion valve became lower value than the setting value by increase of the frost amount which has accumulated on the refrigerant evaporator, defrost starts its running by the signal from expansion valve controlling computer. By using this method, we can protect the individual difference of the operator conducting defrosting for setting defrost starting time and the periodical defrosting regardless of the amount of accumulated frost.
Bibliography:Application Number: EP19930300302