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:
Feb. 27, 2018

Filed:

Jan. 05, 2015
Applicant:

Ihi Corporation, Koto-ku, JP;

Inventors:

Kuniaki Iizuka, Tokyo, JP;

Yoshinari Yoshida, Tokyo, JP;

Yasushi Asada, Tokyo, JP;

Osamu Kagimoto, Tokyo, JP;

Hideumi Ohkuma, Tokyo, JP;

Yohei Suruga, Tokyo, JP;

Toshihiko Kitazawa, Tokyo, JP;

Assignee:

IHI CORPORATION, Koto-ku, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 27/00 (2006.01); F04D 17/10 (2006.01); F01D 17/16 (2006.01); F02B 37/24 (2006.01);
U.S. Cl.
CPC ...
F04D 27/002 (2013.01); F01D 17/165 (2013.01); F04D 17/10 (2013.01); F02B 37/24 (2013.01); F05D 2220/40 (2013.01);
Abstract

An inner surface of each first supporting hole of a shroud ring has on both sides in the axial direction of a turbine impeller two first bearing portions by which first nozzle shaft is rotatably supported. An inner surface of each second supporting hole of a nozzle ring has a second bearing portion by which a second nozzle shaft is rotatably supported. The fitting clearance between the second bearing portion and the second nozzle shaft is set larger than the fitting clearance between each of the first bearing portions and the first nozzle shaft.


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