Patents by Inventor Annegret Tillmann

Annegret Tillmann 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).

  • Publication number: 20060185362
    Abstract: The invention relates to a circuit arrangement (K) comprising a low-temperature circuit (NK) for cooling charge air (13) that is fed to a motor (8) in a motor vehicle equipped with a turbocharger. According to the invention, the charge air (13) is compressed in two stages in a first low-pressure turbocharger (1) and a second high-pressure turbocharger (2). To cool the charge air (13) a first cooler (3) is provided downstream of the low-pressure turbocharger (1) and upstream of the high-pressure turbocharger (2) and a second cooler (4) is provided downstream of the high-pressure turbocharger (2) and upstream of the motor (8). The invention also relates to a method for operating a circuit arrangement (K) of this type.
    Type: Application
    Filed: July 15, 2004
    Publication date: August 24, 2006
    Inventors: Stefan Rogg, Annegret Tillmann
  • Patent number: 6837194
    Abstract: The motor vehicle cooling system (10) contains a fan (12) with which at least one cooler (13) is associated. Provision is made for the fan (12) to be in the form of a centrifugal blower with an air guiding housing (18).
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: January 4, 2005
    Assignee: BEHR GmbH & Co.
    Inventors: Matthias Banzhaf, Wolfgang Kramer, Reinhard Kull, Eberhard Pantow, Wolfgang Reeb, Annegret Tillmann
  • Publication number: 20030047151
    Abstract: The motor vehicle cooling system (10) contains a fan (12) with which at least one cooler (13) is associated. Provision is made for the fan (12) to be in the form of a centrifugal blower with an air guiding housing (18).
    Type: Application
    Filed: August 19, 2002
    Publication date: March 13, 2003
    Applicant: BEHR GmbH & CO.
    Inventors: Matthias Banzhaf, Wolfgang Kramer, Reinhard Kull, Eberhard Pantow, Wolfgang Reeb, Annegret Tillmann