Vibration damper for elevator linear propulsion system
US10329123B2 · kind B2 · utility
0Cited by
19References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 11, 2016 |
| Grant date | Jun 25, 2019 |
| Priority date | — |
| Expiry date | Aug 2, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K5/24
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An elevator system may include a stationary support structure defining a hoistway; a car disposed in the hoistway; a linear propulsion assembly for applying a force to the car, the assembly including a first rail engaged to one of the support structure and the car, a plurality of magnets mounted to the first rail, a second rail co-extending with and spaced laterally from the first rail and engaged to the other of the support structure and the car, and a plurality of electric coils mounted to the second rail; and, a damper engaged to at least one of the first and second rails for dissipating vibration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.