Patents by Inventor Michael Dennhardt

Michael Dennhardt 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).

  • Publication number: 20090183698
    Abstract: The invention relates to an electromagnetically actuated valve device with closure means (36) that can be actuated by an armature unit (32, 34) interacting with stationary coil means (22) which closure means are embodied for the controlled opening and/or closing of a flow region (18) formed between an inflow (12) and an outflow (14) in a valve housing (10, 16, 20), wherein the axially moveable armature unit (32, 34) embodied lengthwise comprises a passage which brings about pressure equalization so that in the valve housing on an axial end of the armature unit opposite to the inflow a pressure chamber (44) which is opened to the inflow via the passage is formed.
    Type: Application
    Filed: January 15, 2009
    Publication date: July 23, 2009
    Applicant: ETO MAGNETIC GMBH
    Inventors: Jorg Burssner, Michael Dennhardt