Patent · US Active

Noise-reduced turbomachine

US9574452B2 · kind B2 · utility

4Cited by

6References

19Claims

0Family size

Assignee

ROLLS-ROYCE DEUTSCHLAND LTD & CO KG · DE

Inventors

Marco Rose · Freiberg, DE
Lars Willer · Berlin, DE

Key dates

Filing date	Jun 14, 2011
Grant date	Feb 21, 2017
Priority date	—
Expiry date	Feb 10, 2034

Classification

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

Abstract

A turbomachine has an annular main flow duct through which passes a flow, and in which is arranged at least one stator provided with stator vanes. The stator vanes each have at least one recess issuing into a flow duct inside the stator vanes and the flow duct issues into a bypass duct of the turbomachine via at least one outflow duct provided with a shut-off element.

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