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.

Date of Patent:
Jun. 21, 2016

Filed:

Oct. 25, 2012
Applicant:

Mitsubishi Heavy Industries, Ltd., Tokyo, JP;

Inventor:

Ryuta Ito, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/22 (2006.01); F01D 25/12 (2006.01); F01D 5/18 (2006.01);
U.S. Cl.
CPC ...
F01D 25/12 (2013.01); F01D 5/187 (2013.01); F01D 5/225 (2013.01); F05D 2260/202 (2013.01);
Abstract

A turbine blade of the present invention includes a blade body mounted on a rotor body so as to extend outward from the rotor body in a radial direction of the rotor body and a chip shroud fixed to the outside of the blade body in the radial direction. A cooling passage which extends in the radial direction of the rotor body and in which a cooling medium circulates is formed in the blade body. The chip shroud includes a shroud body where a recess opened to the outside in the radial direction and communicating with the cooling passage is formed on an outer peripheral end face, and a plug that includes a plurality of plug pieces closing an opening of the recess in cooperation with each other by being inserted into mounting grooves formed on side surfaces of the recess.


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