Elevator drive machine
US6199666A · kind A · utility
10Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1999 |
| Grant date | Mar 13, 2001 |
| Priority date | — |
| Expiry date | Jul 16, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K16/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An elevator drive machine includes a traction sheave and an electromechanical apparatus having at least two electric motors for driving the traction sheave. The traction sheave and the weight applied to it via the elevator ropes are supported by bearings between the stators and rotors of the electric motors driving the traction sheave of the drive machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.