Blade with non-axisymmetric platform

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United States of America Patent

PATENT NO 9004865
SERIAL NO

12919798

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Abstract

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A blade for a turbomachine impeller including an airfoil and at least one platform at one end of the airfoil, the blade configured to be arranged with a plurality of substantially identical blades so as to form a ring, the platform surface having a suction surface profile and a pressure surface profile respectively along the suction surface and the pressure surface. In the blade, the pressure surface profile including a pressure surface recessed part is located axially in an upstream half of the airfoil. Due to this configuration, efficiency of the blade is improved.

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Patent Owner(s)

  • SNECMA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guimbard, Jean-Michel Cely en Biere, FR 14 133
Kueny, Olivier Montgeron, FR 8 114
Pintat, Ludovic Alfortville, FR 22 119

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