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Title:
【発明の名称】冷却孔検査法
Document Type and Number:
Japanese Patent JPH0619260
Kind Code:
B2
Abstract:
In the present invention, the temperatures of cooling passages in a gas turbine engine blade are changed, as by forcing a heated gas through them. The infrared signatures of the channels are measured during the initial temperature transient of the channels and the signatures are compared with a reference. The reference may be the signature of other channels on the same blade.

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Inventors:
TOMASU EDOWAADO BANTERU
DEBITSUDO CHAARUSU MATSUKU
Application Number:
JP20676385A
Publication Date:
March 16, 1994
Filing Date:
September 20, 1985
Export Citation:
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Assignee:
GEN ELECTRIC
International Classes:
G01B11/24; G01B11/30; G01B13/24; G01B21/32; G01J5/00; G01M13/00; G01M99/00; G01N25/00; G01N25/72; (IPC1-7): G01B11/30; G01J5/00; G01M13/00; G01N25/00
Domestic Patent References:
JP4938154A
JP4941855A
JP5074167A
Attorney, Agent or Firm:
Tokunji Ikunuma



 
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