Patent · US Expired

Turbine blade and method of producing a turbine blade

US6257828A · kind A · utility

7Cited by

11References

11Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Burkhard Bischoff-Beiermann · Bochum, DE
Winfried Esser · Bochum, DE

Key dates

Filing date	Jan 31, 2000
Grant date	Jul 10, 2001
Priority date	—
Expiry date	Jan 31, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S415/915
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A turbine blade, in particular a gas-turbine blade, which extends along a main axis from a root region over a blade body region to a tip region. The turbine blade has a cavity in the blade body region, at least regions of the cavity being surrounded by a blade wall having a small wall thickness. The blade wall is formed of a metallic material having a small average grain size. In addition, a method of producing the turbine blade is further disclosed.

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