Title:
GAS TURBINE ENGINE WITH DISK HAVING PERIPHERY WITH PROTRUSIONS
Document Type and Number:
WIPO Patent Application WO/2015/038305
Kind Code:
A3
Abstract:
A gas turbine engine includes a turbine section that has a disk rotatable about an axis. The disk has circumferentially-spaced blade mounting features and radially outer rim surfaces extending circumferentially between the blade mounting features. Turbine blades are mounted circumferentially around the disk in the blade mounting features. Seals are arranged radially outwards of the disk adjacent the radially outer rim surfaces such that there are respective passages between the seals and the radially outer rim surfaces. The radially outer rim surfaces include radially-extending protrusions that extend into the respective passages.
Inventors:
HOUGH MATTHEW ANDREW (US)
BEATTIE JEFFREY S (US)
BEATTIE JEFFREY S (US)
Application Number:
PCT/US2014/051979
Publication Date:
May 14, 2015
Filing Date:
August 21, 2014
Export Citation:
Assignee:
UNITED TECHNOLOGIES CORP (US)
International Classes:
F01D5/08; F01D25/12; F02C7/18
Foreign References:
| US20120282109A1 | 2012-11-08 | |||
| US5573375A | 1996-11-12 | |||
| US20080267784A1 | 2008-10-30 | |||
| US5797726A | 1998-08-25 | |||
| US20050025622A1 | 2005-02-03 |
Other References:
See also references of EP 3047102A4
Attorney, Agent or Firm:
KOZIARZ, Matthew L. (Gaskey & Olds P.C./Pratt & Whitney,400 W. Maple, Suite 35, Birmingham MI, US)
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