The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9631498 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 25, 2017

Filed:

Sep. 19, 2012
Applicant:

Mitsubishi Hitachi Power Systems, Ltd., Kanagawa, JP;

Inventor:

Takashi Yokoyama, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/18 (2006.01);
U.S. Cl.
CPC ...
F01D 5/186 (2013.01); F05D 2240/303 (2013.01);
Abstract

A gas turbine blade having a film cooling structure can reduce stress and strain that occur around the cooling holes of the film cooling structure. For example, in the gas turbine blade, a plurality of cooling holes thoroughly connected to the cooling pass formed inside the gas turbine blade are arranged in the span direction in the leading edge portion of the gas turbine blade, and the direction of the longitudinal axis of the cooling holes is made identical to the direction of principal strain occurring in the leading edge portion of the turbine blade within a range of 15 degrees.


Find Patent Forward Citations

Yokoyama, Takashi. (2017). Gas turbine blade (U.S. Patent No. 9631498). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9631498

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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