NEW STRUCTURE OF CENTRIFUGAL FUN FOR INNER EFFICIENCY INCREASING

NEW STRUCTURE OF CENTRIFUGAL FUN FOR INNER EFFICIENCY INCREASING

  • CN 1,017,741 B
  • Filed: 10/19/1985
  • Issued: 08/05/1992
  • Est. Priority Date: 10/19/1985
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of impeller that improves existing centrifugal fun for inner efficiency comprises the blade of thickening gradually to outlet end, it is characterized in that:

  • (1) near the beginning middle part of blade suction surface according to certain rule to impeller outlet end bulged blading gradually,(2) widen the impeller axial width gradually in the correspondent section of blade thickening,(3) rule of blade thickening is;

    the long-pending reduction of cross section of fluid channel that is produced because of thickening equates substantially with the Flow area increasing amount that blade widening on the impeller axial width produced.

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