Variable linear motor gap
US10138091B2 · kind B2 · utility
0Cited by
13References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2016 |
| Grant date | Nov 27, 2018 |
| Priority date | — |
| Expiry date | Jun 23, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K41/031
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates generally to an elevator system having a hoistway, an elevator car to travel in the hoistway, a first motor portion mounted to one of the elevator car and the hoistway, the first motor portion having at least one coil, a second motor portion mounted to the other of the elevator car and the hoistway, the second motor portion having at least one permanent magnet, and a gap between the first motor portion and the second motor portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.