Patent · US Active

Ceramic heat shields having surface infiltration for preventing corrosion and erosion attacks

US11319257B2 · kind B2 · utility

0Cited by

7References

15Claims

0Family size

Assignee

Siemens Energy Global GmbH & Co. KG · DE

Inventors

Marco Reinger · Lauchringen, DE
Werner Stamm · Mülheim an der Ruhr, DE

Key dates

Filing date	Sep 22, 2017
Grant date	May 3, 2022
Priority date	—
Expiry date	Sep 22, 2037

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF23M2900/05004
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

An improved ceramic heat shield for a gas turbine is provided. The ceramic heat shield has a porous ceramic body and according to the embodiments an infiltration coating that is provided in a surface layer of the porous ceramic body and contains an infiltration coating material designed to gas-tightly seal pores of the ceramic body.

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