Flywheel with self-expanding hub

Details Flywheel with self-expanding hub Flywheel with self-expanding hub

1998-01-13

2000-01-18

Battista, Mary Ann

Machine element or mechanism

Elements

Flywheel, motion smoothing-type

F16F 1530

Patent

active

060149116

ABSTRACT:
A high energy storage flywheel having a rotor and annular disk which are of a composite material. A metal hub is secured to a shaft and joined to the disk at a hoop. The hub has opposite sections which are of a generally double conical shaft. A concentric rim extends around each hub section and upon rotation the hub sections expansivity deform about the rim to apply a compressive force to the disk to maintain a substantially stress free condition at the rotor and disk interface.

REFERENCES:
patent: 4080845 (1978-03-01), Hatch
patent: 4821599 (1989-04-01), Medlicott
patent: 4991462 (1991-02-01), Breslich, Jr. et al.
patent: 5614777 (1997-03-01), Bitterly et al.
patent: 5732603 (1998-03-01), Swett et al.
patent: 5816114 (1998-10-01), Gregiore et al.

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