Invention Application
- Patent Title: CERAMIC VARIABLE STATOR VANE BUSHING
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Application No.: US17810072Application Date: 2022-06-30
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Publication No.: US20230003136A1Publication Date: 2023-01-05
- Inventor: Jean-Marie LEBRUN , Arnaud Verger , Margaux Ningre-Coirier , Nafih Mekhilef , Eustache Danysz , Christian Murphy
- Applicant: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
- Applicant Address: US OH Solon
- Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
- Current Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
- Current Assignee Address: US OH Solon
- Main IPC: F01D9/04
- IPC: F01D9/04

Abstract:
Systems and methods include providing a stator vane bushing for a variable stator vane assembly having a movable stator vane and a stator vane housing disposed annularly about the movable stator vane. The bushing includes a flange, a barrel extending from the flange, and a central aperture extending through the flange and the barrel and is disposed in the housing and annularly about the stator vane. The bushing is formed from a ceramic material having a coefficient of thermal expansion (CTE) lower than or equal to a CTE of one or more of a stator vane and a housing of the variable stator vane assembly.
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