Machine element or mechanism – Elements – Flywheel – motion smoothing-type
Patent
1996-03-08
1998-03-31
Luong, Vinh T.
Machine element or mechanism
Elements
Flywheel, motion smoothing-type
74574, G05G 100, F16F 1510
Patent
active
057326037
ABSTRACT:
A flywheel hub includes an annular hoop and a pair of compliant diaphragms which are connected by the hoop. The diaphragms have apertures to receive a flywheel shaft and the hoop is sized to receive an annular rim. The diaphragms achieve their compliance principally with a serpentine, radial cross section. The hub is preferably realized with fiber and matrix composites. Because the compliant hub tends to match radial expansions of adjoining flywheel components, joint integrity between components is enhanced. In addition, the hub permits the rim to position its center of mass on the rotational axis to reduce rim vibrations. Axial spacing of the diaphragms provides moment stiffness to limit and control the rim deflection caused by, for example, gyroscopic precession forces.
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Gregoire Daniel J.
Swett Dwight W.
Denson-Low W. K.
Duraiswamy V. D.
Hughes Electronics
Luong Vinh T.
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