Patents by Inventor Per J. Udden

Per J. Udden 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).

  • Ignition system for an internal-combustion engine, particularly for use in a chain saw or the like
    Patent number: 5606958
    Abstract: Ignition system for an internal-combustion engine, in particular for use in a chain saw or the like, comprising a magnetically conducting core supporting a charging winding and a triggering winding, a flywheel having at least one magnetic field generating member and adapted to cooperate with the magnetically conducting core to cause, when passing, voltages to be induced in the windings, and an electronic switch means adapted to trigger, in response to a trigger pulse generated by the triggering winding, the discharge of a capacitor, which has been charged by a voltage generated in the charging winding, via the primary of an ignition coil the secondary of which comprises a spark plug.
    Type: Grant
    Filed: July 28, 1995
    Date of Patent: March 4, 1997
    Assignee: FHP Elmotor Aktiebolag
    Inventors: Per-Anders Chrintz-Gath, Per J. Udden