Magnetic bearing for high-speed rotation

Details Magnetic bearing for high-speed rotation Magnetic bearing for high-speed rotation

1981-09-24

1983-06-14

Skudy, R.

Cutlery

F16C 3900

Patent

active

043879365

ABSTRACT:
A rotor armature assembly for an electromagnetic radial bearing for use in high rotational speed applications comprises a rotor armature fixedly connected to a rotor shaft. The rotor armature is formed of a plurality of annular magnetic plates each comprised of soft magnetic material, and a plurality of annular reinforcing plates each comprised of material having greater tensile strength than the soft magnetic material. The reinforcing plates are interposed between the magnetic plates and all of the plates are axially urged together so that adjoining plates are in frictional engagement with each other to form a laminated plate structure. The reinforcing plates frictionally restrain radial outward deformation of the magnetic plates due to centrifugal force during high speed rotation of the rotor armature assembly.

REFERENCES:
patent: 2704231 (1955-03-01), Goldsmith
patent: 4072370 (1978-02-01), Wasson
patent: 4141604 (1979-02-01), Habermann
patent: 4180946 (1980-01-01), Heijenskjold et al.

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