Heating systems – Automatic control – Heat source is a reverse cycle refrigerating system or heat...
Reexamination Certificate
2005-01-18
2005-01-18
Boles, Derek S. (Department: 3749)
Heating systems
Automatic control
Heat source is a reverse cycle refrigerating system or heat...
C237S00200B, C062S238100
Reexamination Certificate
active
06843425
ABSTRACT:
Disclosed are an apparatus and a method for controlling compressors of an air conditioner. The apparatus includes a temperature sensor, a comparison unit, and a controller. The temperature sensor is installed close to an outdoor unit and serves to sense an outdoor temperature. The comparison unit compares the outdoor temperature sensed by the temperature sensor to a predetermined temperature. The controller determines a heating load when the comparison unit determines that the outdoor temperature is more than the predetermined temperature, and controls the operation of the plural compressors based on the determined heating load. The apparatus determines the heating load by means of the outdoor temperature, and properly operates the plural compressors depending the determined heating load, thereby improving the heating efficiency of the air conditioner.
REFERENCES:
patent: 4323109 (1982-04-01), Jaster
patent: 4627483 (1986-12-01), Harshbarger et al.
patent: 5367601 (1994-11-01), Hannabery
patent: 5465588 (1995-11-01), McCahill et al.
patent: 5752654 (1998-05-01), Mowery et al.
Boles Derek S.
Greenblum & Bernstein P.L.C.
LG Electronics Inc.
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