Refrigeration – Processes – Circulating external gas
Patent
1995-06-27
1996-11-12
Wayner, William E.
Refrigeration
Processes
Circulating external gas
62179, 62181, F25D 1706, F25B 100
Patent
active
055728766
ABSTRACT:
The present invention relates to an operational control method and apparatus for an air conditioner in which a rotary speed of an outdoor fan motor is controlled according to a rotary speed of an indoor fan motor, to thereby perform cooling or heating operations thereof. The apparatus includes a zero voltage detector for detecting a zero potential of a commercial alternating current voltage, a controller for controlling an overall operation by being synchronized with the zero potential of the commercial alternating current voltage detected by the zero voltage detector, an indoor fan motor driver for driving an indoor fan motor according to control of the controller, an indoor fan speed detector for detecting a rotary speed of the indoor fan motor driven by the indoor fan motor driver, an outdoor fan motor driver for driving an outdoor fan motor according to control of the controller, and an outdoor fan speed detector for detecting a rotary speed of the outdoor fan motor driven by the outdoor fan motor driver.
REFERENCES:
patent: 5255529 (1993-10-01), Powell et al.
patent: 5400611 (1995-03-01), Takeda et al.
Samsung Electronics Co,. Ltd.
Wayner William E.
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