Method and apparatus for pinch protection for a motor-driven closure system
US7977902B2 · kind B2 · utility
6Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 2006 |
| Grant date | Jul 12, 2011 |
| Priority date | — |
| Expiry date | Oct 14, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H7/093
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a pinch protection method and device for a motor-driven closing system. The method comprises the following steps: detecting a reduced motor speed, switching off the motor, analyzing a sensor signal for detecting a pinch situation, deciding whether a pinch situation is present, and controlling the motor depending on the detection of a pinch situation. The device for detecting a pinch situation comprises a motor, a detection unit, a control unit and at least one sensor. The device is adapted to carry out the method according to the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.