Corpus ID: 141119824

Drive device of a motor and a transmission

@inproceedings{Gollmer1999DriveDO,
  title={Drive device of a motor and a transmission},
  author={Werner Gollmer and H. Wolfer},
  year={1999}
}
Drives for roller blinds are braked in case of failure of the motor brake by means of a jerk by two brake elements clap abruptly each other, whereby an annoying loud clack sound is generated. To a shutter drive in case of failure of the motor (MO) to decelerate to a stop smoothly without braking noise, is on the motor shaft, a ring magnet (M) of a hysteresis brake (M, B), preferably between the motor (MO) and a torque converter (G) is arranged. The ring magnet (M) is concentrically surrounding… Expand