Patent · US Active

Coating for improved surface finish

US11724969B2 · kind B2 · utility

1Cited by

5References

22Claims

0Family size

Assignee

General Electric Company · US

Inventors

Matthew Troy Hafner · Honea Path, US
John McConnell Delvaux · Fountain Inn, US
Jason Robert Parolini · Anderson, US
Rajendra Bordia · Houston, US
Quan Li · Hunan, CN

Key dates

Filing date	Dec 14, 2018
Grant date	Aug 15, 2023
Priority date	—
Expiry date	Jun 15, 2042

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2300/611
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A ceramic matrix composite (CMC) component includes at least one seal surface, the at least one seal surface disposed adjacent an interfacing surface for providing a seal therebetween; and a coating disposed on the seal surface. The coating includes an aluminum oxide and/or a silicon dioxide.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.