Invention Grant
US07988426B2 Compressor ported shroud for foil bearing cooling 有权
压缩机端子用于箔片轴承冷却

Compressor ported shroud for foil bearing cooling
Abstract:
A compressor ported shroud takes compressed air from the shroud of the compressor before it is completely compressed and delivers it to foil bearings. The compressed air has a lower pressure and temperature than compressed outlet air. The lower temperature of the air means that less air needs to be bled off from the compressor to cool the foil bearings. This increases the overall system efficiency due to the reduced mass flow requirements of the lower temperature air. By taking the air at a lower pressure, less work is lost compressing the bearing cooling air.
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