Abstract: A high speed flywheel system, including a flywheel mounted on a shaft, the flywheel being located within an evacuated chamber within a housing, wherein the chamber is sealed by seals including a cavity containing sealing fluid, wherein the seal cavity can be topped up with sealing fluid from a reservoir, the reservoir having an aperture open to the atmosphere for pressure equalization, the flywheel housing being mounted on the shaft via a bearing arrangement including at least one bearing situated externally to the chamber.
Type:
Grant
Filed:
March 15, 2016
Date of Patent:
July 10, 2018
Assignee:
Flybrid Automotic Limited
Inventors:
Andrew Early, Jonathan James Robert Hilton, Douglas Isaac Lascelles Cross