Patent · US Active

Sealing system for a turbomachine

US9920645B2 · kind B2 · utility

4Cited by

5References

20Claims

0Family size

Assignee

MTU Aero Engines AG · DE

Inventors

Inga Mahle · Munich, DE
Alexander Boeck · Munich, DE

Key dates

Filing date	Apr 3, 2013
Grant date	Mar 20, 2018
Priority date	—
Expiry date	May 22, 2036

Classification

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

Abstract

Disclosed is a sealing system for a turbomachine, in particular for a gas turbine, the sealing system being formed in an annular space between a flow-limiting wall of the turbomachine and at least one rotor blade tip of a rotor blade or an outer shroud arranged on the rotor blade tip, and comprising at least one sealing point. The sealing point comprises at least one run-in coating arranged on the rotor blade tip or on the outer shroud in the direction of the flow-limiting wall of the turbomachine. The invention furthermore encompasses a gas turbine comprising the sealing system.

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