| 摘要 |
PROBLEM TO BE SOLVED: To provide a variable-displacement-type gas compressor for controlling air-conditioning inexpensively and comfortably, and its displacement-controlling method. SOLUTION: A thermometer 57 is mounted around piping in the outlet of an evaporator 1. The relationship between temperature in a casing and temperature that is detected by the thermometer 57 is acquired in advance and is tabulated as related data. When the temperature of air in the casing is set, a target temperature at the position of the thermometer 57 that is the detection point of temperature is obtained based on the table. A duty ratio for feeding to a variable-displacement-type gas compressor 10 is adjusted so that the temperature being detected by the thermometer 57 becomes the target temperature value.
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