Fluid-flow machine—blade with hybrid profile configuration

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United States of America Patent

PATENT NO 9394794
APP PUB NO 20120148396A1
SERIAL NO

13314274

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Abstract

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A blade for use in a fluid-flow machine, where at least one of the meridional flow line profile sections MSLi and MSLo is provided at a distance of max. 35% of the main flow path width from the respective inner and outer main flow path boundaries. The blade has in at least parts of a central area a multi-profile configuration such that at least two partial profiles (7, 9, 10) arranged one behind the other in the flow direction are provided, of which each has substantially the shape of a blade profile, where a passage (8) is provided between each two partial profiles and is passed through by fluid from the blade pressure side to the blade suction side.

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Patent Owner(s)

  • ROLLS-ROYCE DEUTSCHLAND LTD & CO KG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guemmer, Volker Mahlow, DE 55 684

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