AIR CONDITIONER FOR VEHICLE

PURPOSE:To eliminate a problem of the insufficient lubricating oil returning to a compressor in an air conditioner for a vehicle wherein an air conditioning evaporator and a freezing evaporator for cooling the interior of a cooling box are parallely provided by increasing the amount of a refrigerant...

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Bibliographic Details
Main Authors SAWADA MASAO, NOYAMA HIDETO
Format Patent
LanguageEnglish
Published 24.06.1994
Edition5
Subjects
ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES
BLASTING
COMBINED HEATING AND REFRIGERATION SYSTEMS
HEAT PUMP SYSTEMS
HEATING
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
MANUFACTURE OR STORAGE OF ICE
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
REFRIGERATION MACHINES, PLANTS OR SYSTEMS
REFRIGERATION OR COOLING
SEATS SPECIALLY ADAPTED FOR VEHICLES
TRANSPORTING
VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR
VEHICLES IN GENERAL
WEAPONS
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Summary:PURPOSE:To eliminate a problem of the insufficient lubricating oil returning to a compressor in an air conditioner for a vehicle wherein an air conditioning evaporator and a freezing evaporator for cooling the interior of a cooling box are parallely provided by increasing the amount of a refrigerant returning to the compressor upon a low load refrigerator single operation. CONSTITUTION:In a vehicle air conditioning apparatus wherein an air conditioning evaporator 7 and a freezing evaporator 11 for cooling the interior of a cooling box 12 are parallely provided, an injection passage 31 is provided for leading a refrigerant fluid condensed in a condenser 2 to a compressor 1 and an opening/closing valve 32 is interposed on the injection passage 31 and further a controller 17 is provided for opening the opening/closing valve 32 upon the refrigerator being singly operated.
Bibliography:Application Number: JP19920324166