Refrigeration – Automatic control – Refrigeration producer
Patent
1998-06-18
2000-05-23
Tanner, Harry B.
Refrigeration
Automatic control
Refrigeration producer
622284, 62129, F24F 1102, F25B 100
Patent
active
060652985
ABSTRACT:
An air conditioner includes: a current detection unit for detecting a current value of alternating current power supplied from an alternating current power source; an indoor fan motor for exchanging heat of refrigerant for indoor heat; an outdoor fan motor for exchanging the heat of the refrigerant for outdoor heat; a compressor connected to an indoor heat exchanger and an outdoor heat exchanger where heat exchanging is carried out by the indoor fan motor and the outdoor fan motor respectively, for compressing the refrigerant; a refrigerant decompression unit connected to the indoor and outdoor heat exchangers for decompressing the refrigerant; a drive control unit receiving the alternating current power from the alternating current power source for controlling drive of the compressor; a voltage detection unit for detecting a voltage value supplied from the alternating current power source to the drive control unit; and a microcomputer receiving the current value detected by the current detection unit and the voltage value detected by the voltage detection unit for correcting a control level of the current value based on the voltage value and for controlling any one of or at least two of the drive control unit, the refrigerant decompression unit, and the indoor and outdoor fan motors by the control level of the current value.
REFERENCES:
patent: 5107685 (1992-04-01), Kobayashi
patent: 5209075 (1993-05-01), Kim
patent: 5493868 (1996-02-01), Kikuiri et al.
patent: 5709098 (1998-01-01), Itoh et al.
patent: 5771704 (1998-06-01), Nakajima et al.
Sharp Kabushiki Kaisha
Tanner Harry B.
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