Method of stopping conveying equipment for persons
US6896119B2 · kind B2 · utility
5Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2002 |
| Grant date | May 24, 2005 |
| Priority date | — |
| Expiry date | May 22, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B29/005
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The invention relates to a method for stopping conveying equipment for persons of the type that includes a drive motor, a frequency converter for controlling motor operation, and a holding brake. On activation of a safety element a the frequency converter decreases the speed of the drive motor according to a pre-established braking ramp, the holding brake being activated before standstill of the conveying equipment. Operational safety of the braking system is thus increased.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.