The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 23, 2016
Filed:
Jan. 26, 2010
Ward Spears, Essex, MA (US);
Matthew Polimeno, Tewksbury, MA (US);
David C. Ansbigian, Stoneham, MA (US);
Richard Hockney, Lynnfield, MA (US);
Ward Spears, Essex, MA (US);
Matthew Polimeno, Tewksbury, MA (US);
David C. Ansbigian, Stoneham, MA (US);
Richard Hockney, Lynnfield, MA (US);
Beacon Power, LLC, Tyngsboro, MA (US);
Abstract
An advanced composite flywheel hub and associated method are described for use in a flywheel rotor assembly that includes a shaft and a rim. The hub includes a shaft engaging portion and a rim engaging portion, and is configured for maintaining engagement with the shaft and the rim during operational rotation of the flywheel rotor assembly. The hub exhibits a bending mode, and includes a first layer having axial fibers for stiffening the hub with respect to the bending mode. The hub can further include a stiffening arrangement for increasing the radial stiffness of the shaft engaging portion.