Patents by Inventor Alexander Sonntag

Alexander Sonntag 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).

  • Pressure Control Valve for a Hydraulic Device, and Use of Said Pressure Control Valve
    Publication number: 20080202478
    Abstract: Disclosed is a pressure control valve (8) for a hydraulic device, particularly a fuel supply system of a motor vehicle, comprising a valve seat (10) that is disposed between a valve member (13) and a spring element (16) for biasing the valve member (13) counter to the valve seat (10). The valve member (13) and the spring element (16) are interconnected via a traction element (14) such that the valve member (13) is reliably guided towards the valve seat (10) without using any additional guiding elements.
    Type: Application
    Filed: January 5, 2005
    Publication date: August 28, 2008
    Applicant: Siemens Aktiengesellschaft
    Inventors: Dirk Möhring, Rene Schmid, Alexander Sonntag, Hans-Dieter Wilhelm
  • Fuel supply system
    Patent number: 7222609
    Abstract: In the case of a fuel supply system for supplying an internal combustion engine (2) of a motor vehicle via two feed units (5, 5?), a mixer valve is arranged in a connecting piece (11, 12) connecting the feed units (5, 5?). The mixer valve has a moveable valve body between two mutually opposite valve seats. When only one of the feed units (5, 5?) is switched on, the connection to the other feed unit (5, 5?) is interrupted. This prevents fuel being fed by a feed unit (5, 5?) which is switched off.
    Type: Grant
    Filed: August 24, 2005
    Date of Patent: May 29, 2007
    Assignee: Siemens Aktiengesellschaft
    Inventors: Carsten Benzin, Bernd Lienemann, Alexander Sonntag
  • Fuel supply system
    Publication number: 20060060250
    Abstract: In the case of a fuel supply system for supplying an internal combustion engine (2) of a motor vehicle via two feed units (5, 5?), a mixer valve is arranged in a connecting piece (11, 12) connecting the feed units (5, 5?). The mixer valve has a moveable valve body between two mutually opposite valve seats. When only one of the feed units (5, 5?) is switched on, the connection to the other feed unit (5, 5?) is interrupted. This prevents fuel being fed by a feed unit (5, 5?) which is switched off.
    Type: Application
    Filed: August 24, 2005
    Publication date: March 23, 2006
    Inventors: Carsten Benzin, Bernd Lienemann, Alexander Sonntag