Patents by Inventor Volkart Diehl

Volkart Diehl 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).

  • Solenoid valve
    Patent number: 7404541
    Abstract: A solenoid valve comprises a valve chamber between a base body and a magnet head and in the valve chamber a magnet armature functioning as a valve member is located. The actuation of the magnet armature takes place by activation of an electromagnet means, which possesses a magnet core arrangement with a plurality of pole faces facing the magnet armature. In order to reduce the impact of the magnet armature a damping plate arrangement is located between the magnet armature and the pole faces, such plate arrangement being in the form of a material which is not ferromagnetic.
    Type: Grant
    Filed: April 20, 2006
    Date of Patent: July 29, 2008
    Assignee: Festo AG & Co.
    Inventors: Rolf Berger, Volkart Diehl
  • Solenoid valve
    Publication number: 20070023720
    Abstract: A solenoid valve comprises a valve chamber between a base body and a magnet head and in the valve chamber a magnet armature functioning as a valve member is located. The actuation of the magnet armature takes place by activation of an electromagnet means, which possesses a magnet core arrangement with a plurality of pole faces facing the magnet armature. In order to reduce the impact of the magnet armature a damping plate arrangement is located between the magnet armature and the pole faces, such plate arrangement being in the form of a material which is not ferromagnetic.
    Type: Application
    Filed: April 20, 2006
    Publication date: February 1, 2007
    Inventors: Rolf Berger, Volkart Diehl