Patent · US Active

Gas turbinen rotor blade

US9739156B2 · kind B2 · utility

3Cited by

26References

15Claims

0Family size

Assignee

MTU Aero Engines AG · DE

Inventors

Alexander Boeck · Munich, DE
Sven Schmid · Munich, DE

Key dates

Filing date	Nov 21, 2014
Grant date	Aug 22, 2017
Priority date	—
Expiry date	Jul 25, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49336
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A turbine or compressor stage of a gas turbine, the rotor blade having a radially outer shroud (1) which has a sealing fin array having a first sealing fin (3.1) and a second sealing fin (3.2) which is adjacent to the first sealing fin and connected thereto by a first groove base (10) having a circumferential region (13) of maximum radial height, which is located at a first circumferential position is provided. The sealing fin array has a third sealing fin (3.3) adjacent to the second sealing fin and opposite to the first sealing fin, the third sealing fin being connected to the second sealing fin by a second groove base (20) having a circumferential region (23) of maximum radial height, which is located at a second circumferential position different from the first circumferential position.

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