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US Patent 6979176 Cooled turbine component and cooled turbine blade

Patent 6979176 was granted and assigned to ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO.,LTD. on December, 2005 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors

Is a

Patent

Patent attributes

Current Assignee

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ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO.,LTD.

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

69791760

Patent Inventor Names

Chiyuki Nakamata0

Yoji Okita0

Date of Patent

December 27, 2005

Patent Application Number

108133970

Date Filed

March 31, 2004

Patent Citations Received

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US Patent 11982196 Manufacturing methods for multi-lobed cooling holes

Patent Primary Examiner

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Ninh H. Nguyen

Patent abstract

A cooled turbine rotor blade comprises a blade body having a cooling passage so that cooling air is introduced, and a film cooling hole which is formed on the surface of the blade body and includes an inlet opening and a wedge shaped spurt out opening. The film cooling hole is divided into at least two openings by a partition wall on the outlet side of the film cooling hole.