Patents by Inventor Siegfried Goppert

Siegfried Goppert 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).

  • Method and device for producing a perforated disc for an injector valve, perforated disc for an injector valve and injector valve
    Patent number: 6168099
    Abstract: A method is provided for manufacturing an orifice disk. Metal foils are made available, opening geometries and auxiliary openings are introduced in the metal foils. The individual metal foils are superimposed in centered fashion. The metal foils are joined using a joining method, thus creating an orifice disk band having a plurality of rounds. Finally an isolation of the rounds or orifice disks is performed. The orifice disks manufactured in this manner are particularly suitable for use in fuel injection valves that are utilized in mixture-compressing, spark-ignited internal combustion engines.
    Type: Grant
    Filed: February 3, 1999
    Date of Patent: January 2, 2001
    Assignee: Robert Bosch GmbH
    Inventors: Wilhelm Hopf, Kurt Schreier, Siegfried Goppert, Kurt Schraudner, Henning Teiwes, Jörg Heyse, Dieter Holz