Backup bearing for magnetic bearings
US5714818A · kind A · utility
37Cited by
11References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1994 |
| Grant date | Feb 3, 1998 |
| Priority date | — |
| Expiry date | Oct 18, 2014 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C32/0442
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A backup bearing for use with magnetic bearings to support a rotating shaft in the event that the magnetic bearings fail due to the loss of electric power. The backup bearing includes a housing and a fluid film bearing element which is adapted to passively float in the housing and with the shaft during normal operation of the magnetic bearings and which is adapted to support the rotating shaft on a film of fluid if the magnetic bearings fail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.