Patent · US Active

Corrosion- and erosion-resistant coating for turbine blades of gas turbines

US11479862B2 · kind B2 · utility

0Cited by

0References

11Claims

0Family size

Assignee

Oerlikon Surface Solutions AG, Pfäffikon · CH

Inventors

Juergen Ramm · Sevelen, CH
Hamid Bolvardi · Chur, CH
Oliver Jarry · Cologne, DE
Lin SHANG · Bad Ragaz, CH
Beno Widrig · Bad Ragaz, CH
Carmen JERG · Feldkirch, AT

Key dates

Filing date	Dec 20, 2018
Grant date	Oct 25, 2022
Priority date	—
Expiry date	Jan 28, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC23C28/44
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A component of a turbine, in particular a gas turbine, wherein the component has a coating for increasing the erosion and corrosion resistance, wherein the coating is preferably applied directly to the component, wherein the coating consists of a functional layer and an intermediate layer, wherein the intermediate layer is arranged between the turbine blade substrate and the functional layer and wherein the functional layer consists of the elements Al, Cr, O and N.

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