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.:
Date of Patent:
Aug. 02, 2016
Filed:
Jan. 28, 2013
Applicant:
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Inventors:
Assignee:
MITSUBISHI HITACHI POWER SYSTEMS, LTD., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/32 (2006.01); F01D 5/30 (2006.01);
U.S. Cl.
CPC ...
F01D 5/32 (2013.01); F01D 5/3015 (2013.01); F01D 5/323 (2013.01); F01D 5/326 (2013.01); F05D 2230/232 (2013.01);
Abstract
A turbine-blade retaining structure in which deformation of end portions of locking pieces exposed through an insertion window portion in the axial direction is prevented, and the occurrence of a crack in a welded portion is prevented. At least one of the end portions of adjacent locking pieces exposed through the insertion window portion is provided with a thick-plate portion that expands in the disc-thickness direction so as to be inside the insertion window portion.