Patent · US Active

Hybrid tiltrotor drive system

US10906656B2 · kind B2 · utility

7Cited by

6References

14Claims

0Family size

Assignee

Bell Textron Inc. · US

Inventors

Colton Gilliland · Roanoke, US
Mark Alan Przybyla · Keller, US
Eric Stephen Olson · Fort Worth, US

Key dates

Filing date	May 1, 2018
Grant date	Feb 2, 2021
Priority date	—
Expiry date	Oct 27, 2038

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB64D27/026
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

An exemplary tiltrotor aircraft with a hybrid drive system includes a first propulsion system having a first engine and a first supplemental driver operably coupled to a first proprotor that is operable between a helicopter mode and an airplane mode and a second propulsion system having a second engine and a second supplemental driver operably coupled to a second proprotor that is operable between a helicopter mode and an airplane mode.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.