Method and apparatus for pinch protection for a motor-driven...

Details Method and apparatus for pinch protection for a motor-driven... Method and apparatus for pinch protection for a motor-driven...

2011-07-12

2011-07-12

Benson, Walter (Department: 2837)

Electricity: motive power systems

Automatic and/or with time-delay means

Movement, position, or limit-of-travel

C318S468000, C318S280000, C318S283000, C318S286000, C318S461000

Reexamination Certificate

active

07977902

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.

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