Rotor hub with structural reinforcements

US10494090B2 · kind B2 · utility

Assignee

• Bell Helicopter Textron Inc. · US

Inventors

• Jason Owens · Lewisville, US
• Frank B. Stamps · Colleyville, US
• Andrew Paul Haldeman · Fort Worth, US
• Robert Wardlaw · Keller, US
• John Richard McCullough · Hudson, US
• Gary Miller · Oosterdijk, US
• Andrew Maresh · Lewisville, US
• Drew Sutton · Watauga, US

Key dates

• Filing date: Sep 8, 2017
• Grant date: Dec 3, 2019
• Expiry date: Jun 9, 2038

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16C2326/43
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

In one embodiment, a rotor hub comprises a hub plate, a yoke for attaching a plurality of rotor blades, a plurality of yoke support bearings, and a plurality of cushioned damper bearings for attaching a plurality of dampers.