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IMPELLER OF CENTRIFUGAL COMPRESSOR

  • US 20120189454A1
  • Filed: 08/10/2010
  • Published: 07/26/2012
  • Est. Priority Date: 10/07/2009
  • Status: Active Grant
First Claim
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1. An impeller of a centrifugal compressor, the impeller comprising:

  • a plurality of full blades provided on a hub surface from a working fluid inlet part of the impeller to a fluid outlet part of the impeller; and

    a plurality of splitter blades, each splitter blade being provide between the full blade and the adjacent full blade from a middle of a flow passage formed between the full blades to the fluid outlet part of the impeller,wherein a leading edge blade angle of a flow entering front-end-part of the splitter blade is varied depending on a height level from the hub surface in a height direction of the flow entering front-end-part,further wherein a tip end part of the flow entering front-end-part of the splitter blade is inclined smoothly toward a blade suction surface side of the full blade, at a greater inclination angle than an inclination angle of other part of the flow entering front-end-part.

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