Magnetic bearing device
US5068558A · kind A · utility
8Cited by
4References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 27, 1990 |
| Grant date | Nov 26, 1991 |
| Priority date | — |
| Expiry date | Jul 27, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C32/0478
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention discloses a magnetic bearing device having a rotary main shaft, an armature disk mounted on the rotary main shaft, and a pair of bearing elements disposed on opposite sides in axial direction of the armature disk of bearing elements includes a permanent magnet provided with a pair of pole pieces, the top ends of each of the pole pieces being disposed near to the armature disk, and a control coil being disposed between said pole pieces at a position nearer to front end side than the control coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.