AIR CONDITIONER FOR ELECTRIC VEHICLE

PURPOSE:To make the amount of refrigerant remaining in a main condenser at the beginning of heating operation constant by controllably opening and closing the valves to open and close a passage to the main condenser and a bypass passage at specified orders when the heating operation is requested. CO...

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Bibliographische Detailangaben
1. Verfasser:	IIO MASAHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	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 TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To make the amount of refrigerant remaining in a main condenser at the beginning of heating operation constant by controllably opening and closing the valves to open and close a passage to the main condenser and a bypass passage at specified orders when the heating operation is requested. CONSTITUTION:A sub-condenser 9 is connected to an evaporator 8 through a liquid tank 20 and an expansion valve 21, the flow-out side of the evaporator 8 is connected to a main condenser 24 through a compressor 22 and a first solenoid valve 23, and a second solenoid valve 26 is provided in its bypass passage 27. Also a control unit 33 opens the solenoid valve 23 and closes the solenoid valve 26 at the start of heating operation to store a specified amount of refrigerant in the main condenser 24 and, after a specified time has been collapsed, the solenoid valve 23 is closed and solenoid valve 26 is opened to open the bypass and complete a heating cycle. Thus a specified amount of refrigerant is always stored in the main condenser 24 to obtain a proper amount of refrigerant for heating, increase efficiency, and reduce the cost, space, and weight of an air conditioner.