Patents by Inventor Franciscus M.A.M. Van Gaal

Franciscus M.A.M. Van Gaal 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: 5644183
    Abstract: A flat electric motor comprises a rotor with a flat, permanent magnetic disc which is rotatable about an axis of rotation, and an electromagnetic stator with a stack of flat, electrically insulating supporting elements having first and second principal surfaces on which patterns of conductor tracks are provided such that there is formed a number of windings consisting of first and second coils arranged in a ring about the axis of rotation and which are formed by spirally extending conductor tracks on the first and the second principal surface of each supporting element. The coils which form part of one winding are electrically connected in series via connection tracks which a part of the conductor tracks, interconnections which extend between the first and second principal surfaces, and connection elements which connect connection tracks on different supporting elements of the stack to one another.
    Type: Grant
    Filed: June 14, 1995
    Date of Patent: July 1, 1997
    Assignee: U.S. Philips Corporation
    Inventors: Evert J. Van Loenen, Franciscus M.A.M. Van Gaal