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Concentric ring flywheel with hooked ring carbon fiber separator/torque coupler

United States Patent

5,924,335
July 20, 1999
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
Modular Electromechanical Batteries for Storage of Electrical Energy for Land-Based Electric Vehicles
A concentric ring flywheel with expandable separators, which function as torque couplers, between the rings to take up the gap formed between adjacent rings due to differential expansion between different radius rings during rotation of the flywheel. The expandable separators or torque couplers include a hook-like section at an upper end which is positioned over an inner ring and a shelf-like or flange section at a lower end onto which the next adjacent outer ring is positioned. As the concentric rings are rotated the gap formed by the differential expansion there between is partially taken up by the expandable separators or torque couplers to maintain torque and centering attachment of the concentric rings.
Kuklo; Thomas C. (Oakdale, CA)
The Regents of the University of California (Oakland, CA)
08/ 316,685
September 30, 1994
The United States Government has rights in this invention pursuant to Contract No. W-7405-ENG-48 between the United States Department of Energy and the University of California for the operation of Lawrence Livermore National Laboratory.