AIR CONDITIONER FOR VEHICLE

PROBLEM TO BE SOLVED: To aim at a high pressure value directly determining compressor torque and a control current value directly controlling a compressor, based on these two detection signals, estimate compressor torque utilized for stable control of an idle rotational speed of an engine. SOLUTION:...

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Bibliographische Detailangaben
Hauptverfasser:	TAKANO YOSHIAKI, KINOSHITA HIROSHI, YAMAZAKI KURATO
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 POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To aim at a high pressure value directly determining compressor torque and a control current value directly controlling a compressor, based on these two detection signals, estimate compressor torque utilized for stable control of an idle rotational speed of an engine. SOLUTION: In this air conditioner for a vehicle, from a high pressure value of a refrigerating cycle 5 detected by a high pressure sensor 26 and a control current value directly controlling a compressor 7, compressor torque necessary for driving the compressor 7 is calculated. In this way, the compressor torque at idle time is accurately estimated. In this way, dispersion of the estimated and actual compressor torque can be decreased.