Patent · US Active

Guide vane segment

US10550720B2 · kind B2 · utility

0Cited by

16References

18Claims

0Family size

Assignee

MTU Aero Engines AG · DE

Inventors

Markus Schlemmer · Mainburg, DE
Andreas Hartung · Munich, DE
Karl-Hermann Richter · Markt Indersdorf, DE
Herbert Hanrieder · Hohenkammer, DE

Key dates

Filing date	Apr 10, 2017
Grant date	Feb 4, 2020
Priority date	—
Expiry date	Jan 19, 2038

Classification

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

Abstract

A guide vane segment for a turbomachine stage that has an inner ring segment (10) and a plurality of guide vanes (21-25) that are configured on the inner ring segment; at and/or in at least one detuning region (A; B) of the inner ring segment, that extends circumferentially in a portion of the inner ring segment that, from one end face (11; 12) of the inner ring segment to an inner guide vane (22; 24) that is circumferentially adjacent to an outermost guide vane (21; 25) adjacent to the end face and/or extends at most over an outermost third of a length (L) of the inner ring segment bounded by an end face (11; 12) of the inner ring segment, at least one cavity (112) is configured which contains at least one impulse element (100) with clearance of motion for providing impact contacts.

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