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:
Jun. 20, 2017
Filed:
Apr. 20, 2015
Ihi Corporation, Tokyo, JP;
IHI Corporation, Tokyo, JP;
Abstract
A securing part structure of a turbine nozzle provided with a plurality of turbine nozzle segments, each having a plurality of stator vanes, arranged annularly around an axis of a jet engine and secured between a turbine case and a shroud of the jet engine, wherein in the turbine nozzle segment, an arc-shaped outer band coupling distal ends of the plurality of stator vanes to each other is provided, a hook of the outer band is engaged with a nozzle support groove of the turbine case from behind, a recessed portion of the outer band is fitted with an anti-rotation tab from behind, and an anti-rotation slot formed in the shroud is fitted with a protruding portion from behind so that the turbine nozzle segment is secured between the turbine case and the shroud. Reduction of performance loss and extension of a life of the turbine case can be realized.