| 摘要 |
PROBLEM TO BE SOLVED: To reduce the energy loss of a compression refrigerating machine with built-in motor caused when the rotor of the built-in motor or a gear stirs a refrigerant atmosphere by reducing the pressure in the motor or gear chamber by sucking a refrigerant staying in the motor or gear chamber. SOLUTION: A compression refrigerating machine with built-in motor is provided with a motor 1, a motor chamber 3, a gear 4, a gear chamber 4, a compressor 6, a condenser 7, an evaporator 8, and pipelines connecting the compressor 6, condenser 7, and evaporator 8 to each other. In the refrigerating machine, a liquid ejector 9 is installed to the pipeline of a liquid refrigerant flowing to the evaporator 8 from the condenser 7 and the motor chamber 3 and gear chamber 5 are connected to the sucking section of the ejector 9 so as to reduce the pressure in either one or both of the chambers 3 and 5 by sucking the refrigerant staying in either one or both of the chambers 3 and 5.
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