INTEGRATED MOTOR RETRACTOR (IMR) WITH MOTION PROFILES

The invention relates to an active restraint system (), comprising a seat belt retractor (), having a frame () and a belt reel () with a belt webbing () wound thereon and rotatable supported by the frame () for allowing winding and unwinding the belt webbing (). An electric disc motor () comprising a rotor () and a stator () is attached to the belt reel (). The rotor () is directly attached by an attachment () to the belt reel (). The restraint system further comprises a control unit () connected to the disc motor () and adapted to control the disc motor () to drive the belt reel () in accordance with a determined belt motion profile.