Patents by Inventor Hjalmar Albert Olson

Hjalmar Albert Olson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5722153
    Abstract: A particular coil configuration for an armature coil for a motor is disclosed, wherein a single-turn armature coil is preferably comprised of eight individual parallel conductors electrically insulated from each other and arranged to have a rectangular cross-section, wherein the eight conductors are split into two groups of four conductors to form an air gap at the loop portion of the coil. This "split-loop" armature coil configuration provides a greater cooling surface area for the armature coils at a hot spot of the coil, thereby reducing the hot spot temperature and increasing the current capability of the machine. Moreover, the split-loop armature coil configuration avoids the problem of shorted turns between the individual conductors and thus increases the reliability of the machine.
    Type: Grant
    Filed: July 26, 1995
    Date of Patent: March 3, 1998
    Assignee: General Electric Company
    Inventors: Carl Alfred Holmes, Hjalmar Albert Olson