Invention Grant
- Patent Title: Low friction, wear resistant dry face carbon seal—seal seat assembly
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Application No.: US16574589Application Date: 2019-09-18
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Publication No.: US11193384B2Publication Date: 2021-12-07
- Inventor: Pantcho P. Stoyanov , Mark B. Gossner
- 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: Bachman and Lapointe PC
- Agent George Coury
- Main IPC: F01D11/00
- IPC: F01D11/00 ; C01B32/20
Abstract:
A method for preparing a seal assembly for a gas turbine engine, comprising a seal comprising a carbon material; and a seal seat positioned for rotation relative to the seal, wherein the method comprises the steps of: pre-filming a sealing surface of the seal seat with a carbon-based tribofilm; and assembling the seal seat relative to the seal in a gas turbine engine.
Public/Granted literature
- US20200088055A1 LOW FRICTION, WEAR RESISTANT DRY FACE CARBON SEAL - SEAL SEAT ASSEMBLY Public/Granted day:2020-03-19
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