Patents Assigned to Johnson Electric Industrial Manufactory
  • Commutator with winding connection segments having cutting edges
    Patent number: 4656380
    Abstract: There is disclosed an armature for an electrical device having an armature winding electrically connected to an armature termination, the armature winding being connectable to an external circuit by the termination. The armature also has a housing in which a portion of the armature winding is located and the termination includes a terminal having a configuration for establishing and maintaining electrical contact between the terminal and the winding portion while retaining the terminal and the winding portion within the housing.
    Type: Grant
    Filed: March 7, 1986
    Date of Patent: April 7, 1987
    Assignee: Johnson Electric Industrial Manufactory
    Inventor: Georg Strobl
  • Commutator with winding connections
    Patent number: 4584498
    Abstract: There is disclosed an armature for an electrical device having an armature winding electrically connected to an armature termination, the armature being connectable to an external circuit by the termination. The armature also has a housing in which a portion of the armature winding is located and in which the termination includes a terminal having a configuration for establishing and maintaining electrical contact between the terminal and the said winding portion while retaining the terminal and the said winding portion within the housing.
    Type: Grant
    Filed: January 11, 1985
    Date of Patent: April 22, 1986
    Assignee: Johnson Electric Industrial Manufactory Limited
    Inventor: Georg Strobl
  • Electric motors
    Patent number: 4177396
    Abstract: A d.c. electric motor has a permanent magnet stator and a wound rotor both mounted within a body. An end cover is fixed to the body and carries a thermal switch which is disposed inside the body adjacent to the windings and controls the supply current to the motor.
    Type: Grant
    Filed: November 1, 1977
    Date of Patent: December 4, 1979
    Assignee: Johnson Electric Industrial Manufactory Limited
    Inventor: Patrick Wang