Method for operating elevators to test brakes
US9061864B2 · kind B2 · utility
11Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2011 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | Jan 14, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B5/0025
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method for operating an elevator having a car driven by a motor and at least one brake to stop the car, the method including closing a brake, increasing a torque of the motor until the car moves, and registering a value indicative of the motor torque at which the car moves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.