发明公开

DIFFUSER RESTRICTION RING
摘要:
A centrifugal compressor (20) comprises: a housing (26); an impeller (34) having an axial inlet (70) and a radial outlet (72); a diffuser (82); and a control ring (90) mounted for shifting between an inserted position and a retracted position. The control ring comprises means (150, 160, 162, 166) for absorbing pulsations.
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