Invention Grant
- Patent Title: Separate secondary seal support rail for seal
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Application No.: US15890590Application Date: 2018-02-07
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Publication No.: US10731497B2Publication Date: 2020-08-04
- Inventor: Michael L. DiFrancesco , Conway Chuong
- Applicant: United Technologies Corporation
- Applicant Address: US CT Farmington
- Assignee: Raytheon Technologies Corporation
- Current Assignee: Raytheon Technologies Corporation
- Current Assignee Address: US CT Farmington
- Agency: Carlson, Gaskey & Olds, P.C.
- Main IPC: F01D11/02
- IPC: F01D11/02 ; F16J15/00 ; F01D11/16 ; F16J15/44

Abstract:
A hydrostatic seal assembly for a gas turbine engine includes a shoe movable radially relative to a longitudinal engine axis. At least one beam supports radial movement of the shoe. A secondary seal is fixed relative to the shoe. A rail is attached to the shoe and in sealing engagement with the secondary seal. A gas turbine engine and a method of creating a seal with a hydrostatic seal are also disclosed.
Public/Granted literature
- US20190242266A1 SEPARATE SECONDARY SEAL SUPPORT RAIL FOR SEAL Public/Granted day:2019-08-08
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