Air gap apparatus for a linear motor
US5005672A · kind A · utility
16Cited by
3References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1990 |
| Grant date | Apr 9, 1991 |
| Priority date | — |
| Expiry date | Feb 26, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B11/0407
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An elastic body is provided upon a moveable element of a linear motor, the elastic body in sliding contact with the surface of a stationary element of the linear motor, the elastic body maintaining a predetermined minimum air gap between the moving and stationary elements. A sweeping material is attached upon a portion of the elastic body which contacts the stationary element. Preferably the sweeping material is a woven or non-woven fabric, such as felt or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.