Patent · US Expired

Intermediate-stage seal arrangement

US6524065B2 · kind B2 · utility

27Cited by

5References

28Claims

0Family size

Assignee

ROLLS-ROYCE DEUTSCHLAND LTD & CO KG · DE

Inventors

Jan Briesenick · Berlin, DE
Winfried-Hagen Friedl · Berlin, DE

Key dates

Filing date	Apr 18, 2001
Grant date	Feb 25, 2003
Priority date	—
Expiry date	Apr 18, 2021

Classification

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

Abstract

An intermediate-stage seal carrier for a high-pressure jet-engine turbine includes a supporting area for vane retainers, wherein the supporting area includes only one annular wall upstream of and abutting the vane retainers.

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