Magnetic bearing

Details Magnetic bearing Magnetic bearing

1978-12-01

1981-05-19

Skudy, R.

Cutlery

F16C 3906

Patent

active

042680956

ABSTRACT:
Two parallel rings are secured to a rotating shaft. A stationary central ring is located between the other two rings, creating parallel air gaps. The central ring includes a radially magnetized permanent magnet creating parallel magnetic circuits across the air gaps. Conductive coils are located on either side of the permanent magnet and arranged to carry current in the same direction. When energized by a control circuit, the conductors create a magnetic field that adds to the magnetic field across one gap and subtracts from the field across the other, providing an axial force on the shaft.

REFERENCES:
patent: 3865442 (1975-02-01), Studer
patent: 3877761 (1975-04-01), Boden
patent: 3890019 (1975-06-01), Boden
patent: 3954310 (1976-05-01), Rava
patent: 4077678 (1978-03-01), Studer
patent: 4090745 (1978-05-01), Dohogne

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