Group of blade rows

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United States of America Patent

PATENT NO 9797254
SERIAL NO

14626544

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Abstract

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A blade row group arrangeable in a main flow path of a fluid-flow machine includes N adjacent member blade rows firmly arranged relative to each other in both a meridional direction (m) and a circumferential direction (u). A relative secondary passage length (v′) and a relative secondary passage width (w′) each increase at least in one part of the area between the mean meridional flow line (SLM) and at least one of the main flow path boundaries (HB) towards the main flow path boundary (HB).

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Patent Owner(s)

  • ROLLS-ROYCE DEUTSCHLAND LTD & CO KG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guemmer, Volker Mahlow, DE 55 443

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