METHOD OF DIFFUSING A GAS TURBINE COMPRESSION STAGE, AND DIFFUSION STAGE FOR IMPLEMENTING SAME

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United States of America Patent

SERIAL NO

14126989

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Abstract

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A diffusion stage of a radial or mixed gas turbine engine compressor includes an impeller formed by two plates, between which fluid flows in a centrifugal or inclined manner from a center towards a periphery. Blades of a cascade are distributed between the plates to channel the flow of the fluid between leading edges of the blades at the center and trailing edges at the periphery. At least one of the plates has an internal face including at least one zone with alternating hollow and bump curvatures between two adjacent blades, in at least one of two substantially perpendicular directions, in the direction of flow along the blades and in an inter-blade tangential direction.

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Patent Owner(s)

Patent OwnerAddress
SAFRAN HELICOPTER ENGINESAVENUE JOSEPH SZYDLOWSKI BORDES 64510

International Classification(s)

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  • 2012 Application Filing Year
  • F04D Class
  • 1059 Applications Filed
  • 881 Patents Issued To-Date
  • 83.20 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20122013201420152016201720182019202020210255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bulot, Nicolas Assat, FR 3 4
Porodo, Jerome Yves Felix Gilbert Pau, FR 2 8
Tarnowski, Laurent Pierre Pau, FR 11 16

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Patent Citation Ranking

  • 1 Citation Count
  • F04D Class
  • 8.59 % this patent is cited more than
  • 11 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges14126193101 - 1011 - 2021 - 3041 - 500102030405060708090100110120130140

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