Patents Assigned to Dipl. Ing. Hitzinger Gesellschaft mbH
  • Brushless synchronous motor with short-circuited protective winding for the field winding of the rotor
    Patent number: 4825138
    Abstract: In a brushless synchronous motor in which a short-circuited protective winding (9) is associated with the field winding (2) of the rotor the starting conditions are improved in that the protective winding (9) consists of two winding sections (10, 11), which have different numbers of turns and are either wound in mutually opposite senses or are wound in the same sense but connected in opposition.
    Type: Grant
    Filed: June 22, 1987
    Date of Patent: April 25, 1989
    Assignee: Dipl. Ing. Hitzinger Gesellschaft mbH
    Inventors: Hubert Platzer, Helmut Roland