Invention Grant
- Patent Title: Rotatable vanes
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Application No.: US15408710Application Date: 2017-01-18
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Publication No.: US10968782B2Publication Date: 2021-04-06
- Inventor: Brandon W. Spangler , Michael G. McCaffrey
- Applicant: UNITED TECHNOLOGIES CORPORATION
- Applicant Address: US CT Farmington
- Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee Address: US CT Farmington
- Agency: Snell & Wilmer L.L.P.
- Main IPC: F01D25/34
- IPC: F01D25/34 ; F01D11/08 ; F01D9/04 ; F01D25/24 ; F01D25/28 ; F01D25/16 ; F01D25/00 ; F01D9/02 ; F01D9/00 ; F01D5/22

Abstract:
A gas turbine engine, having an engine central longitudinal axis, includes at least one of a vane support, a vane stage, a blade outer air seal support, and a blade outer air seal. At least one of the vane support, the vane stage, the blade outer air seal support, and the blade outer air seal is rotatable about the engine central longitudinal axis. The gas turbine engine may further include a drive system configured to rotate at least one of the vane support, the vane stage, the blade outer air seal support, and the blade outer air seal about the engine central longitudinal axis.
Public/Granted literature
- US20180202321A1 ROTATABLE VANES Public/Granted day:2018-07-19
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