Noise reduction system
US9528468B2 · kind B2 · utility
1Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2010 |
| Grant date | Dec 27, 2016 |
| Priority date | — |
| Expiry date | Nov 28, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/96
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A noise reduction system includes: a microjet ring (16) provided at an exhaust side peripheral edge of a main nozzle of a jet engine, and has a plurality of injection pipes (26) formed in a circumferential direction thereof at regular intervals; and a supply path configured to take part of compressed air in from a flow path in an upstream side of a combustor in the jet engine, and to guide the part of compressed air to the plurality of injection pipes (26), wherein the plurality of injection pipes (26) is configured to inject the part of compressed air to a jet flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.