Magnetic suspension assembly for a rotor

Details Magnetic suspension assembly for a rotor Magnetic suspension assembly for a rotor

1980-05-09

1983-08-16

Skudy, R.

Cutlery

F16C 3900

Patent

active

043987737

ABSTRACT:
A magnetic suspension system, especially for a rotor, comprises a stator having two axially spaced permanent magnets which are poled the same as a pair of spaced-apart permanent magnets on the rotor so that a repulsion field suspends the rotor within the stator. A magnetic coil surrounds the rotor and is disposed between the pole pieces of the stator substantially bridging the gap between them and the permanent magnets of the stator and the rotor repel each other in the axial direction. A contactless field sensor responds to the axial position of the rotor and controls the energization of the magnetic coil to stabilize the axial position of the rotor by augmenting or decreasing the net axial forces generated by the magnetic fields in the axial direction.

REFERENCES:
patent: 3143704 (1964-08-01), Wright
patent: 3233950 (1966-02-01), Baermann
patent: 3243238 (1966-03-01), Lyman
patent: 3493275 (1970-02-01), Stone
patent: 3512851 (1970-05-01), Love
patent: 3623835 (1971-11-01), Boyd
patent: 3698775 (1972-10-01), Gilber
patent: 3791704 (1974-12-01), Perper
patent: 3877761 (1975-04-01), Boden
patent: 3888553 (1975-06-01), Wehde
patent: 3890019 (1975-06-01), Boden
patent: 3929390 (1979-12-01), Simpson
patent: 4037886 (1977-07-01), Boden
patent: 4043614 (1977-08-01), Lyman
patent: 4065189 (1977-12-01), Sikorra
patent: 4080012 (1978-03-01), Boden
Siemens Data Book; 1976/77; "Galvanometric Devices", Munich, Germany; pp. -92.
Machine Design 1963, vol. 35, Mar. 14, pp. 14-15.

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