Electric tiltrotor aircraft
US10974827B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 2019 |
| Grant date | Apr 13, 2021 |
| Priority date | — |
| Expiry date | May 10, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64D27/34
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An aircraft including an airframe and a plurality of propulsion assemblies coupled to the airframe, wherein each propulsion assembly includes an electric motor, a propeller coupled to the electric motor, and a tilt mechanism that connects the propulsion assembly to the airframe and transforms the propulsion assembly between a forward configuration and a hover configuration; wherein the plurality of propulsion assemblies is transformable between a forward arrangement and a hover arrangement, wherein each of the plurality of propulsion assemblies is in the forward configuration in the forward arrangement, wherein each of the plurality of propulsion assemblies is in the hover configuration in the hover arrangement, wherein the spacing between at least two of the propellers of the plurality of propulsion assemblies changes between the forward arrangement and the hover arrangement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.