Patent · US Active

Securing device for axially securing a blade root of a turbomachine blade

US9470099B2 · kind B2 · utility

0Cited by

7References

13Claims

0Family size

Assignee

MTU Aero Engines AG · DE

Inventors

Rudolf Stanka · Rattenkirchen, DE
Manfred Dopfer · Unterschleißheim, DE
Martin Pernleitner · Dachau, DE
Wilfried Schuette · Deisenhofen, DE

Key dates

Filing date	Nov 11, 2011
Grant date	Oct 18, 2016
Priority date	—
Expiry date	Oct 8, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2300/501
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A securing device (20) for axially securing a blade root (12) of a blade in a groove (11) of a turbine engine. The outer contour (24) of the securing device (20) that faces a groove wall, in particular a groove base (33), is curved at least in some regions, the outer contour (24) having three different radii (R1, R2, R3) in some regions.

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