Brake torque monitoring and health assessment
US9791009B2 · kind B2 · utility
5Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2011 |
| Grant date | Oct 17, 2017 |
| Priority date | — |
| Expiry date | Jan 10, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2066/005
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method for monitoring brake torque of an elevator having a motor is provided. The method may engage an elevator brake for a predefined duration, determine a displacement of an output shaft of the motor during the predefined duration, and generate an alert if the displacement exceeds a predefined threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.