Patent · US Active

Sound absorber, sound absorber assembly and an engine with a sound absorber assembly

US9303588B2 · kind B2 · utility

8Cited by

9References

20Claims

0Family size

Assignees

Airbus Defence and Space GmbH · DE
ROLLS-ROYCE DEUTSCHLAND LTD & CO KG · DE

Inventors

Reinhard Pongratz · Taufkirchen, DE
Christoph Richter · Berlin, DE
Max Kern · Ratingen, DE
Daniel Redmann · Birkenfeld, DE

Key dates

Filing date	Aug 28, 2014
Grant date	Apr 5, 2016
Priority date	—
Expiry date	Aug 28, 2034

Classification

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

Abstract

A sound absorber comprising a base body and a tongue (24). The base body has a bottom plate, a wall enclosing the bottom plate and an opening enabling the entry of air into the base body. The tongue has a fixed end, a free end and a central portion disposed between the fixed and the free end. The free end of the tongue is spaced from the wall and the bottom plate, and the central portion of the tongue is disposed to extend at least partially straight along a width direction. Furthermore, a sound absorber assembly can include at least two sound absorbers, and an engine, in particular, for an aircraft, comprising such a sound absorber and/or such a sound absorber assembly.

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