Invention Grant
- Patent Title: Boas rail shield
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Application No.: US15071485Application Date: 2016-03-16
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Publication No.: US10161258B2Publication Date: 2018-12-25
- Inventor: Michael G. McCaffrey , Benjamin F. Hagan , David Richard Griffin , Peter Balawajder , Christopher Corcoran
- 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: F01D11/08
- IPC: F01D11/08 ; F01D5/02 ; F01D25/24 ; F01D9/04

Abstract:
A seal assembly includes a seal arc segment that defines radially inner and outer sides with the radially outer side including radially-extending sidewalls. A radially inner surface joins the radially-extending sidewalls. The radially-extending sidewalls and the radially inner surface define a pocket. A rail shield has radially-extending walls lines the radially-extending sidewalls.
Public/Granted literature
- US20170268369A1 BOAS RAIL SHIELD Public/Granted day:2017-09-21
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