Magnetically suspended angular momentum wheel

Details Magnetically suspended angular momentum wheel Magnetically suspended angular momentum wheel

1975-10-14

1977-12-27

Skudy, R.

Cutlery

244166, F16C 3900

Patent

active

040651894

ABSTRACT:
A momentum wheel wherein friction has been substantially eliminated by replacing mechanical bearings with a magnetic suspension. The rotor of the momentum wheel, in the form of a circular disk whose diameter greatly exceeds its thickness, is maintained in suspension, free of physical contact with the housing, by means of magnetic fields applied between the circular flat surfaces of the rotor disk and a pair of stator plates. The rotor is passively restrained in the radial direction by means of permanent magnets, while an active axial restraint is provided by a combination of permanent magnets and electromagnetic windings.

REFERENCES:
patent: 3411059 (1968-11-01), Kaiwa
patent: 3480811 (1969-11-01), Grosbard
patent: 3490816 (1970-01-01), Lyman
patent: 3650581 (1972-03-01), Boden
patent: 3746407 (1973-07-01), Stiles
patent: 3845995 (1974-11-01), Wehde
patent: 3872334 (1975-03-01), Loubier
patent: 3877761 (1975-04-01), Boden
patent: 3888553 (1975-06-01), Wehde
patent: 3890019 (1975-06-01), Boden

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