Patents by Inventor Alexander Hantke

Alexander Hantke 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).

  • Fuel injector
    Patent number: 8727240
    Abstract: A fuel injector has a valve needle that has a maximum diameter at a flow-off edge, and a valve seat acting together with the valve needle using a sealing seat, the valve seat widening, starting from the sealing seat up to a discharge edge, and the flow-off edge of the valve needle being offset backwards, in relation to the flow direction, with respect to the discharge edge of the valve seat, when the fuel injector is closed. The flow-off edge of the valve needle is offset backwards with respect to the discharge edge of the valve seat in a predetermined range of 2 micrometers to 20 micrometers, in the direction of a longitudinal valve axis.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: May 20, 2014
    Assignee: Robert Bosch GmbH
    Inventors: Martin Mueller, Michael Huebel, Marco Vorbach, Alexander Hantke
  • Fuel injector
    Publication number: 20090008482
    Abstract: A fuel injector has a valve needle that has a maximum diameter at a flow-off edge, and a valve seat acting together with the valve needle using a sealing seat, the valve seat widening, starting from the sealing seat up to a discharge edge, and the flow-off edge of the valve needle being offset backwards, in relation to the flow direction, with respect to the discharge edge of the valve seat, when the fuel injector is closed. The flow-off edge of the valve needle is offset backwards with respect to the discharge edge of the valve seat in a predetermined range of 2 micrometers to 20 micrometers, in the direction of a longitudinal valve axis.
    Type: Application
    Filed: September 10, 2004
    Publication date: January 8, 2009
    Inventors: Martin Mueller, Michael Huebel, Marco Vorbach, Alexander Hantke