Patents Assigned to Wolfgang E. Schultz
  • Electromagnetic clutch or brake
    Patent number: 4090161
    Abstract: In electromagnetic clutches or brakes in which the armature closes against the pole pieces of the coil without leaving an air gap, the faces of the poles or armature, or both, are broken up into smaller areas by annular grooves to reduce the lodgement and retention of contaminating and magnetically inhibiting particles resulting from wear.
    Type: Grant
    Filed: August 24, 1976
    Date of Patent: May 16, 1978
    Assignee: Wolfgang E. Schultz
    Inventors: Egon Fuhrer, Dieter Kleinert, Reinhard Haring