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Title:
RING SEAL FOR BLADE OUTER AIR SEAL GAS TURBINE ENGINE RAPID RESPONSE CLEARANCE CONTROL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2014/189557
Kind Code:
A3
Abstract:
An active clearance control system for a gas turbine engine includes a ring seal engageable with a multiple of air seal segments.

Inventors:
DUGUAY BRIAN (US)
Application Number:
PCT/US2014/015067
Publication Date:
February 26, 2015
Filing Date:
February 06, 2014
Export Citation:
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Assignee:
UNITED TECHNOLOGIES CORP (US)
International Classes:
F01D11/20; F01D11/22; F02C7/28; F04D29/08
Foreign References:
US20110318171A12011-12-29
US20120304657A12012-12-06
US4573866A1986-03-04
US4679981A1987-07-14
US20090053055A12009-02-26
Attorney, Agent or Firm:
O'SHEA, Patrick (1500 Main Street Suite 91, Springfield MA, US)
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