Invention Grant
- Patent Title: Gas turbine engine control for rotor bore heating
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Application No.: US14598252Application Date: 2015-01-16
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Publication No.: US10018120B2Publication Date: 2018-07-10
- Inventor: Frederick M. Schwarz , Paul W. Duesler
- 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: Carlson, Gaskey & Olds, P.C.
- Main IPC: F02C9/16
- IPC: F02C9/16 ; F01D5/08 ; F01D25/10 ; F02C9/18 ; F02C3/04

Abstract:
A gas turbine engine comprises a compressor rotor including blades and a disk, with a bore defined radially inwardly of the disk, and a combustor. A tap directs the products of combustion first to a valve and then into the bore of the disk. At least two temperature sensors sense a temperature of the products of combustion downstream of the valve. A control compares sensed temperatures from the at least two temperature sensors to ensure the at least two temperature sensors are functioning properly. The sensed temperatures are utilized to control the valve. A method of operating a gas turbine engine is also disclosed.
Public/Granted literature
- US20160208712A1 GAS TURBINE ENGINE CONTROL FOR ROTOR BORE HEATING Public/Granted day:2016-07-21
Information query
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