Patent · US Active

Turbomachine rotor comprising a pretensioning device for pretensioning a rotor blade

US8512001B2 · kind B2 · utility

2Cited by

5References

20Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Francois Benkler · Ratingen, DE
Jörn Bettentrup · Dorsten, DE
Frank Deister · Willich, DE
Rudolf Küperkoch · Essen, DE
Nicolas Savilius · Essen, DE
Oliver Schneider · Oppenheim, DE
Dirk Wistuba · Wetter (Ruhr), DE

Key dates

Filing date	Jan 23, 2009
Grant date	Aug 20, 2013
Priority date	—
Expiry date	Apr 8, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49826
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A turbomachine rotor, a rotor blade and a method for assembling a turbomachine rotor are provided. The turbomachine rotor includes a rotor blade with a blade root, a wheel disk with a groove in which the blade root engages such that the rotor blade is maintained in the groove in a positive fit in a radial direction. Further, a pretensioning device is provided, which is supported on the wheel disk as well as on the blade root and which exerts a pretensioning force on the blade root in the radial direction. The pretensioning device is designed such that the pretensioning force can be adjusted when assembling the turbomachine rotor.

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