Invention Grant
- Patent Title: Low friction, wear resistant piston seal
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Application No.: US16375954Application Date: 2019-04-05
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Publication No.: US11255432B2Publication Date: 2022-02-22
- Inventor: Pantcho P. Stoyanov , Kelly M. Harrington
- 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
- Main IPC: F16J9/26
- IPC: F16J9/26
Abstract:
A piston seal assembly for a gas turbine engine includes a seal composed of a nickel-based superalloy; a component in contact with the seal and defining a seal-counterface; and a coating on the seal at the seal-counterface, wherein the coating is a metal alloy binder phase and a hard particle phase distributed through the binder phase.
Public/Granted literature
- US20200318737A1 LOW FRICTION, WEAR RESISTANT PISTON SEAL Public/Granted day:2020-10-08
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