Patent · US Active

Blade fastening having safety device for turbine blades

US8956122B2 · kind B2 · utility

6Cited by

4References

8Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Thomas Helmis · Wetter (Ruhr), DE
Heinrich Stüer · Haltern, DE

Key dates

Filing date	Sep 17, 2010
Grant date	Feb 17, 2015
Priority date	—
Expiry date	Feb 7, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2260/30
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A safety device for a turbine blade is provided. The safety device includes a shear pin, a clamping piece and a securing element, wherein the shear pin is arranged in a corresponding bore in the turbine blade foot and the clamping piece is designed having an upper limb and a lower limb, wherein the clamping piece exerts a radial force on the turbine blade foot for radial safeguarding.

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