A CONTROL DEVICE FOR AN AIR CONDITIONER

• Main Authors: HIKARU KATSUKI, TETSUO INOUE, MASAKAZU HOSOYA, MINORU KATO, MASAYUKI SHIMIZU
• Format: Patent
• Language: English
• Published: 29.06.2002
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; HEATING; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; RANGES; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; VENTILATING; WEAPONS

AN OBJECT OF THE PRESENT INVENTION IS TO PROVIDE AN AIR CONDITIONER IN WHICH THE FEEDBACK OF LIQUID REFRIGERANT TO A COMPRESSOR (9) IS PREVENTED AND WHOSE REFRIGERATING CYCLE IS CONSTITUTED WITH AN INDOOR SIDE HEAT EXCHANGER (15), A COMPRESSOR (9), AN OUTDOOR SIDE HEAT EXCHANGER (11), AND A PRESSURE REDUCER. THE CONTROLLER OF THE AIR CONDITIONER COMPRISES A TEMPERATURE CONTROL MEANS WHICH PERFORMS THE COOLING OPERATION FOR A ROOM IN CONTROLLING THE START OR STOP OF THE OPERATION OF THE COMPRESSOR (9) BASED ON THE CHANGE OF THE ROOM TEMPERATURE, A PROTECTIVE MEANS WHICH STOPS THE OPERATION OF THE COMPRESSOR (9) COMPULSORILY INDEPENDENT OF THE OPERATION OF THE TEMPERATURE CONTROL MEANS WHEN THE OPEN AIR TEMPERATURE BECOMES LOWER THAN A SPECIFIED TEMPERATURE, AND A DISPLAY MEANS FOR DISPLAYING THE OPERATION OF THE PROTECTIVE MEANS. FIG. 2