Patent · US Active

Turbomachine sealing ring

US11125101B2 · kind B2 · utility

1Cited by

34References

27Claims

0Family size

Assignee

MTU Aero Engines AG · DE

Inventors

Christian Scherer · Rothenbürg, DE
Peter Eibelshaeuser · Munich, DE
Steffen Schlothauer · Markt Indersdorf, DE
Andreas Jakimov · Munich, DE
Juergen Kraus · Dachau, DE

Key dates

Filing date	Jun 26, 2018
Grant date	Sep 21, 2021
Priority date	—
Expiry date	Nov 9, 2038

Classification

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

Abstract

A sealing ring for a turbomachine, in particular a compressor or turbine stage of a gas turbine is provided, the sealing ring having an, in particular at least partially honeycomb-like and/or integral, seal, in particular an abradable coating (13); a profile cross section of the sealing ring, which is in particular at least partially manufactured by a generative manufacturing process, varying in the circumferential direction, in particular at least in some regions continuously and/or non-continuously at one or more circumferential positions, in particular separation points.

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