| CPC F04D 25/062 (2013.01) [F04D 29/5806 (2013.01)] | 5 Claims |
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1. A centrifugal compressor comprising:
a rotary shaft;
a compressor impeller mounted on the rotary shaft, and configured to rotate together with the rotary shaft to compress a fluid;
a housing accommodating the rotary shaft and the compressor impeller; and
a thrust bearing supporting the rotary shaft in a thrust direction such that the rotary shaft is rotatable, wherein
the housing includes:
an impeller chamber in which the compressor impeller is accommodated;
a thrust bearing accommodation chamber in which the thrust bearing is accommodated; and
a partition wall separating the impeller chamber from the thrust bearing accommodation chamber, and
a part of the partition wall fully interposed between the impeller chamber and the thrust bearing accommodation chamber has therein a cooling gas passage through which cooling gas flows to cool the thrust bearing and a cooling water passage through which cooling water flows to cool the partition wall,
wherein the partition wall defines portions of the impeller chamber and also defines portions of the thrust bearing accommodation chamber.
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