Invention Grant
- Patent Title: Active synchronizing ring
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Application No.: US14576858Application Date: 2014-12-19
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Publication No.: US09932851B2Publication Date: 2018-04-03
- Inventor: Michael P. Dougherty
- Applicant: Rolls-Royce North American Technologies, Inc.
- Applicant Address: US IN Indianapolis
- Assignee: Rolls-Royce NOrth American Technologies, Inc.
- Current Assignee: Rolls-Royce NOrth American Technologies, Inc.
- Current Assignee Address: US IN Indianapolis
- Agency: Fishman Stewart PLLC
- Main IPC: F01D17/16
- IPC: F01D17/16 ; F01D9/04 ; F04D27/02 ; F02C9/20 ; F04D29/56

Abstract:
An improved system, apparatus and method for controlling vane angles in a gas turbine engine, and more specifically, for correcting vane angle error in a gas turbine engine. An active synchronization ring comprises a plurality of micro-actuators coupled to the synchronization ring to correct distortion in the synchronization ring. The micro-actuators apply a bending moment to the synchronization ring to cancel or compensate for synchronization ring distortion. The micro-actuators may be controlled open loop or closed loop. Strain sensors measure ring distortion and provide signals to the controller for closed loop control.
Public/Granted literature
- US20150184535A1 ACTIVE SYNCHRONIZING RING Public/Granted day:2015-07-02
Information query
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