Patent · US Active

Blade group arrangement as well as turbomachine

US9470091B2 · kind B2 · utility

6Cited by

1References

7Claims

0Family size

Assignee

MTU Aero Engines AG · DE

Inventors

Sergio Elorza Gomez · Munich, DE
Alexander Hergt · Bonn, DE
Ulrich Siller · Bornheim, DE
Tim Schneider · Dachau, DE

Key dates

Filing date	Feb 6, 2013
Grant date	Oct 18, 2016
Priority date	—
Expiry date	Dec 17, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T50/60
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A blade group arrangement for a turbomachine in order to form a blade-row group, whereby a front blade and a rear blade each form an overlapping area that has a contraction ratio of at least 1.2, and it also relates to a turbomachine having such a contraction ratio between a front blade and a rear blade.

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