Elevator installation maintenance monitoring utilizing a door acceleration sensor
US8678143B2 · kind B2 · utility
24Cited by
8References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 15, 2009 |
| Grant date | Mar 25, 2014 |
| Priority date | — |
| Expiry date | Dec 4, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B19/007
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An elevator installation includes at least one car or floor door and at least one acceleration sensor mounted on the door. The sensor generates measurements that are transmitted wirelessly to a communications module for determining maintenance data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.