Magnetic drive
US5779456A · kind A · utility
32Cited by
15References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1996 |
| Grant date | Jul 14, 1998 |
| Priority date | — |
| Expiry date | Oct 28, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D13/027
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A magnetic drive comprises a plurality of identically shaped and sized permanent magnets for transmitting torque to a shaft through a nonmagnetic cylindrical barrier wherein the magnets have inner and outer cylindrical surfaces with the outer cylindrical surfaces having a radius substantially the same as the inner cylindrical surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.