Magnetic bearing device
US5073737A · kind A · utility
3Cited by
6References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 27, 1990 |
| Grant date | Dec 17, 1991 |
| Priority date | — |
| Expiry date | Jul 27, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C32/0476
- 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. Each of bearing elements includes a control coil provided with a pair of pole pieces, wherein a top end of each of the pole pieces is disposed near to the armature disk, and the pole pieces are mounted with a sensor coil at a position nearer to a front end side of the control coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.