Rotorcraft including auxiliary propulsor positioned to ingest boundary layer flow
US10953982B2 · kind B2 · utility
6Cited by
26References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2015 |
| Grant date | Mar 23, 2021 |
| Priority date | — |
| Expiry date | Jul 27, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A rotorcraft is provided and includes a fuselage. The fuselage includes drag generating portions, a main rotor assembly and an auxiliary propulsor having an expected propulsion efficiency. The auxiliary propulsor is disposed to ingest boundary layer flows and in wake regions associated with the drag generating portions and is provided with a corresponding increase in the expected propulsion efficiency thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.