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:
Aug. 23, 2005

Filed:

Feb. 28, 2003
Applicants:

Nobuyuki Suzumura, Higashimurayama, JP;

Takeshi Nakamura, Nerima-ku, JP;

Tadashi Natsumura, Higashimurayama, JP;

Takahito Araki, Suginami-ku, JP;

Kenichiro Watanabe, Tokorozawa, JP;

Inventors:

Nobuyuki Suzumura, Higashimurayama, JP;

Takeshi Nakamura, Nerima-ku, JP;

Tadashi Natsumura, Higashimurayama, JP;

Takahito Araki, Suginami-ku, JP;

Kenichiro Watanabe, Tokorozawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D025/26 ;
U.S. Cl.
CPC ...
Abstract

There is disclosed a gas turbine shroud structure comprising: a shroud support componentattached to an inner surface of a gas turbine casing; a shroud segmentdivided in a peripheral direction and supported by the inner surface of the shroud support component; and a heat-resistant restricting springheld between the shroud segment and shroud support component to urge the shroud segment inwards in a radial direction. The shroud segmentis formed of a ceramic composite material, and includes a coating layerhaving heat insulation and impact absorption effect on an inner surface of the segment.


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