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:
Dec. 02, 2014

Filed:

Jan. 31, 2012
Applicants:

Tomoyuki Hirata, Tokyo, JP;

Kazuharu Hirokawa, Tokyo, JP;

Yoshimasa Takaoka, Tokyo, JP;

Inventors:

Tomoyuki Hirata, Tokyo, JP;

Kazuharu Hirokawa, Tokyo, JP;

Yoshimasa Takaoka, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/32 (2006.01); F04D 29/32 (2006.01); F01D 5/30 (2006.01);
U.S. Cl.
CPC ...
F04D 29/322 (2013.01); F01D 5/3038 (2013.01); F01D 5/32 (2013.01);
Abstract

The rotor structure is provided with a rotation shaft body in which a blade groove is formed at an outer circumference part, and extends in a circumferential direction of the axis line, and a plurality of blade bodies which are arrayed in the circumferential direction at the outer circumference part of the rotation shaft body, wherein a blade fixing piece is installed so as to be a positioned between at least one set of adjacent two blade bodies in the circumferential direction inside the blade groove, a projected part is formed at where either an opening wall part or the groove opening side of the blade groove and the blade fixing piece, and a recessed part which is fitted into the projected part is formed at where the other one of them.


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