Patents by Inventor Werner Striegel

Werner Striegel 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).

  • Safety valve and high-pressure pump comprising said safety valve
    Patent number: 8371268
    Abstract: A fuel safety valve arranged in a fuel supply line between a low-pressure pump and a high-pressure pump, is provided with a valve body which defines a cylindrical cavity having a longitudinal axis and being connected to a duct and a portion of a discharge duct in communication with the cylindrical cavity, a piston sliding with respect to the valve body in the cylindrical cavity along the longitudinal axis, and a spring housed in a variable-volume chamber defined by a portion of the cylindrical cavity between the piston and a closure element. The piston is provided with a through hole supplied with the fuel leading into the variable-volume chamber, and the valve body being provided with a fuel discharge hole connecting the variable-volume chamber to the discharge duct.
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: February 12, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Mariacarmela Masellis, Benedetto Loiacono, Thomas Riedel, Werner Striegel, Nello Medoro
  • SAFETY VALVE AND HIGH-PRESSURE PUMP COMPRISING SAID SAFETY VALVE
    Publication number: 20100242915
    Abstract: A fuel safety valve arranged in a fuel supply line between a low-pressure pump and a high-pressure pump, is provided with a valve body which defines a cylindrical cavity having a longitudinal axis and being connected to a duct and a portion of a discharge duct in communication with the cylindrical cavity, a piston sliding with respect to the valve body in the cylindrical cavity along the longitudinal axis, and a spring housed in a variable-volume chamber defined by a portion of the cylindrical cavity between the piston and a closure element. The piston is provided with a through hole supplied with the fuel leading into the variable-volume chamber, and the valve body being provided with a fuel discharge hole connecting the variable-volume chamber to the discharge duct.
    Type: Application
    Filed: November 13, 2008
    Publication date: September 30, 2010
    Inventors: Mariacarmela Masellis, Benedetto Loiacono, Thomas Riedel, Werner Striegel, Nello Medoro