Centrifugal compressor
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United States of America
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Nov 19, 2024
Grant Date -
Nov 23, 2023
app pub date -
Apr 28, 2021
filing date -
Apr 28, 2021
priority date (Note) -
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Abstract
A centrifugal compressor including: a diffuser in which a fluid flows in a centrifugal direction away from a rotary shaft; a return flow path which is provided downstream of the diffuser and in which fluid flowing in to a later-stage centrifugal impeller from the diffuser flows in a return direction back to the rotary shaft; a plurality of return vanes that are disposed in the shape of a circular vane centered on a centerline of the rotary shaft, and are installed in the return flow path; and a turning part, wherein an inlet blade angle (β) of an outlet guide vane provided to the downstream side, of the return vanes, is lying down more in the circumferential direction with respect to an inlet blade angle (α) of a inlet guide vane provided to the upstream side, of the return vanes (β<α).
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