Invention Grant
- Patent Title: Tailored thermal control system for gas turbine engine blade outer air seal array
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Application No.: US15023593Application Date: 2014-10-06
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Publication No.: US10408080B2Publication Date: 2019-09-10
- Inventor: Philip R. Rioux , Neil L. Tatman
- 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: O'Shea Getz P.C.
- International Application: PCT/US2014/059308 WO 20141006
- International Announcement: WO2015/102702 WO 20150709
- Main IPC: F01D11/18
- IPC: F01D11/18 ; F01D25/24

Abstract:
A clearance control ring for a clearance control system of a gas turbine engine includes a contoured radial outer portion that defines a multiple of fins and a multiple of slots. A clearance control system of a gas turbine engine includes a clearance control ring with a radial inner portion from which a contoured radial outer portion extends. The contoured radial outer portion defines a multiple of fins and a multiple of slots. A blade outer air seal assembly with a clearance control ring land which receives the radial inner portion. A method of controlling a radial tip clearance within a gas turbine engine includes tailoring a multiple of fins and a multiple of slots of a clearance control ring for both steady state and transient clearance operations.
Public/Granted literature
- US20160273376A1 TAILORED THERMAL CONTROL SYSTEM FOR GAS TURBINE ENGINE BLADE OUTER AIR SEAL ARRAY Public/Granted day:2016-09-22
Information query
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