Rotary wing aircraft having collocated exhaust duct and propeller shaft
US9297290B2 · kind B2 · utility
1Cited by
12References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2013 |
| Grant date | Mar 29, 2016 |
| Priority date | — |
| Expiry date | Mar 1, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64D2033/045
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An exhaust system for reducing infrared emissions of a rotary wing aircraft includes an exhaust duct having a fore end for connection with an aft turbine section of an engine of the rotary wing aircraft, the exhaust duct having an aft end having an exhaust opening to expel engine exhaust proximate to a tail fairing of the rotary wing aircraft; and a drive shaft collocated with the exhaust duct, the drive shaft configured to provide rotational force to an aft propeller of the rotary wing aircraft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.