Shelf truncated chevron exhaust nozzle for reduction of exhaust noise and infrared (IR) signature
US6532729B2 · kind B2 · utility
52Cited by
8References
31Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 31, 2001 |
| Grant date | Mar 18, 2003 |
| Priority date | — |
| Expiry date | May 31, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/96
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An exhaust nozzle includes an annular exhaust duct for discharging exhaust from an aft end thereof. Circumferentially adjoining chevrons extend from the duct aft end around only an arcuate portion thereof leaving a plain arcuate shelf between terminal ones of the chevrons. Each of the chevrons has a triangular configuration and a compound arcuate contour both circumferentially and axially.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.