Patents by Inventor Klaus-Dieter Fietz

Klaus-Dieter Fietz 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).

  • MAGNET VALVE, AND DRIVER ASSISTANCE DEVICE COMPRISING SUCH A MAGNET VALVE
    Publication number: 20130306891
    Abstract: A magnet valve includes a magnet armature connected to a sealing element and configured to displace the sealing element. The magnet armature has faces. The magnet valve also includes fluid chambers and a flow path via which fluid chambers that lie on opposing faces of the magnet armature are fluidically connected. A damping element is arranged in the magnet valve and is configured to be displaced in an axial direction. The damping element protrudes into the flow path at least in some regions.
    Type: Application
    Filed: June 10, 2011
    Publication date: November 21, 2013
    Applicant: Robert Bosch GmbH
    Inventors: Klaus-Dieter Fietz, Volker Unsoeld, Manfred Maerz, Valentin Schubitschew, Scott Ducworth
  • Magnet valve with reduced swiching noise
    Publication number: 20040251738
    Abstract: A magnet valve, including a pole core, an armature, a restoring element disposed between the pole core and the armature to restore the armature to its outset position a stop face on the pole core oriented toward the armature having at least one rib extending all the way around in the circumferential direction and protruding toward the armature, and/or a stop face of the armature oriented toward the pole core and having at least one rib extending all the way around in the circumferential direction and protruding toward the pole core.
    Type: Application
    Filed: June 4, 2004
    Publication date: December 16, 2004
    Inventors: Dieter Kawa, Guenther Schnalzger, Andreas Reize, Klaus-Dieter Fietz, Christian Laier, Oliver Holz