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Air refrigeration cycle freezer storage cooling system and turbine unit for its air refrigeration cycle freezer storage cooling
Air refrigeration cycle freezer storage cooling system and turbine unit for its air refrigeration cycle freezer storage cooling
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机译:空气制冷循环冷冻库冷却系统和用于其空气制冷循环冷冻库冷却的涡轮单元
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摘要
An air cycle refrigerating/cooling system includes a first heat exchanger for cooling air, a turbine unit that has a compressor for compressing the air and an expansion turbine for adiabatically expanding the air, and a second heat exchanger for cooling the air. A compressor rotor of the compressor and a turbine rotor of the expansion turbine are attached to a common main shaft in the turbine unit in such a manner that the turbine unit drives the compressor rotor with a power generated by the turbine rotor, and the main shaft is rotatably supported by a rolling contact bearing. A part or the entirety of a thrust force applied to the main shaft is supported by an electromagnet, and a pressure equalizing device for equalizing a gas pressure at opposite ends of the rolling contact bearing is provided.
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