Machine element or mechanism – Elements – Flywheel – motion smoothing-type
Patent
1996-06-12
1998-07-14
Marmor, Charles A.
Machine element or mechanism
Elements
Flywheel, motion smoothing-type
F16F 15305
Patent
active
057787360
ABSTRACT:
A fiber reinforced composite flywheel for energy storage has a plurality of disks in the form of a coil produced of continuous hoop and radial fibers, each disk having a mix of fiber types in the hoop direction, relatively strong fibers disposed about an inner section of the disk, an intermediate section of the disk comprised of relatively strong and relatively lower strength fibers, and an outer portion having a mix of fibers fewer relatively strong fibers. A fiber reinforced composite flywheel, alternatively or in addition, has a higher volume of radial fibers disposed about the intermediate section of the disk, to increase radial strength in a banded area of the disk subject to increased radial stress. Preferably, the disk is composed with a 3-dimensional orthogonal weave architecture which allows the fibers to shear during weaving to provide minimum distortion of the spiral woven disk. Constructing a spiral woven composite flywheel disk in accordance with the invention optimizes stress and strength properties to increase operating speed and energy storage capacity at minimum cost.
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Design and Fabrication of a Fiberglass Circular-Weave Composite Flywheel by Alan D. Sapowith and Arthur L. Gurson--Jan. 1983.
Hoon Douglas M.
Maass David
Battista Mary Ann
Dow-United Technologies Composite Products Inc.
Marmor Charles A.
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