Patent · US Active

Pusher rotorcraft drivetrain

US10858116B2 · kind B2 · utility

2Cited by

5References

19Claims

0Family size

Assignee

Textron Innovations Inc. · US

Inventors

Levi Charles Hefner · Dallas, US
Frank B. Stamps · Colleyville, US
Alan Carl Ewing · Keller, US
Jaret F. Burgess · Fort Worth, US
Carey Cannon · Colleyville, US

Key dates

Filing date	Sep 4, 2018
Grant date	Dec 8, 2020
Priority date	—
Expiry date	Mar 10, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB64C2027/8281
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A pusher rotorcraft is provided in one example embodiment and may include at least one engine in mechanical communication with a drop-down gearbox; a driveshaft in mechanical communication with the drop-down gearbox, a main rotor gearbox, and a tail system gearbox; a main rotor system in mechanical communication with the main rotor gearbox; an anti-torque system in mechanical communication with the tail system gearbox; and a pusher propeller system in mechanical communication with the tail system gearbox.

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