Patents by Inventor Peter Burgfels

Peter Burgfels 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).

  • Valve device for internal combustion engines
    Patent number: 9086006
    Abstract: A valve device for an internal combustion engine includes a drive unit. A drive housing in which the drive unit is arranged. A valve unit is configured to be moved by the drive unit. The valve unit comprises a valve rod and a valve closure member. A flow housing comprises a fluid inlet channel and a fluid outlet channel. A connection cross section of the fluid inlet channel and the fluid outlet channel is configured to be controlled by the valve closure member. A pressure detection chamber is fluidically connected with the fluid inlet channel. A pressure sensor is arranged in the pressure detection chamber and is integrated in the drive housing. The pressure sensor comprises a pressure detection surface arranged in a plane. A normal of the pressure detection surface is arranged so as to be perpendicular to a direction of a fluid flow into the pressure detection chamber.
    Type: Grant
    Filed: November 26, 2010
    Date of Patent: July 21, 2015
    Assignee: PIERBURG GMBH
    Inventors: Berthold Herrmann, Holger Paffrath, Peter Burgfels
  • VALVE DEVICE FOR INTERNAL COMBUSTION ENGINES
    Publication number: 20120318217
    Abstract: A valve device for an internal combustion engine includes a drive unit. A drive housing in which the drive unit is arranged. A valve unit is configured to be moved by the drive unit. The valve unit comprises a valve rod and a valve closure member. A flow housing comprises a fluid inlet channel and a fluid outlet channel. A connection cross section of the fluid inlet channel and the fluid outlet channel is configured to be controlled by the valve closure member. A pressure detection chamber is fluidically connected with the fluid inlet channel. A pressure sensor is arranged in the pressure detection chamber and is integrated in the drive housing. The pressure sensor comprises a pressure detection surface arranged in a plane. A normal of the pressure detection surface is arranged so as to be perpendicular to a direction of a fluid flow into the pressure detection chamber.
    Type: Application
    Filed: November 26, 2010
    Publication date: December 20, 2012
    Applicant: PIERBURG GMBH
    Inventors: Berthold Herrmann, Holger Paffrath, Peter Burgfels