Patent · US Active

Stabilized sealing ring for a turbomachine

US10544696B2 · kind B2 · utility

0Cited by

4References

9Claims

0Family size

Assignee

MTU Aero Engines AG · DE

Inventors

Markus Schlemmer · Mainburg, DE
Otto Liebscher · Zorneding, DE
Oliver Thiele · Dachau, DE

Key dates

Filing date	Dec 2, 2016
Grant date	Jan 28, 2020
Priority date	—
Expiry date	Jul 17, 2037

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2240/60
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

Disclosed is a sealing ring for a turbomachine, which is constructed so as to be fastened at a radially inner region of a plurality of guide vanes and rotate around a rotor shaft. The sealing ring comprises a ring part that extends in the axial direction and has a plurality of stiffened portions in succession in the peripheral direction. Further disclosed is a seal for a turbomachine that comprises such a sealing ring as well as a brush and/or run-in coating sealing ring that is to face a rotor shaft, and a method for the manufacture of a sealing ring.

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