| 摘要 |
PROBLEM TO BE SOLVED: To maintain a stable operation state without stopping an engine by detecting load fluctuation quantity in a refrigerant circuit, and increasing supply fuel quantity to the engine and/or advancing ignition timing when the load fluctuation quantity is not less than a prescribed value. SOLUTION: In a thermal transfer device for driving compressors 2A, 2B in an outdoor unit by an engine 40 in a heat pump and a refrigerator, a control part 71 judges whether or not a correction factor inferred from a differential value of a deviation of an engine speed exceeds a ceiling value, and when it is judged as YES, a parameter J for expressing shortage quantity is calculated. Next, an acceleration correction value TF to a fuel control valve is calculated by multiplying this parameter J by a preset fuel control valve acceleration basic opening increasing value F to control the fuel control valve 48 by a signal by adding this TF to a fuel control valve opening signal to thereby perform proper acceleration control without stopping an angine at suddent increase time of load.
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