| 摘要 |
PROBLEM TO BE SOLVED: To save electric power while securing reliability of a compression mechanism part in a refrigerator. SOLUTION: The refrigerator is equipped with an inverter driven compressor of which rotation speed is controlled by a control device. The control device is provided with a low-speed operation mode. The low-speed operation mode operates the compressor at a rotation speed lower than the minimum rotation speed allowing supplying of lubricating oil to the compression mechanism part of the compressor, and controls to operate to for intermittently increase the rotation speed to be higher than the minimum rotation speed during the operation. COPYRIGHT: (C)2005,JPO&NCIPI
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