Patents by Inventor Siegfried Karmann

Siegfried Karmann 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).

  • Vehicle with fan unit producing an amplified air flow to a heat exchanger
    Patent number: 8919300
    Abstract: A vehicle includes a heat exchanger which is disposed in a cooling system, and a fan unit which forms part of a radiator grille and is constructed to generate an air flow through the heat exchanger. The fan unit has at least one fan which is constructed to generate a primary air flow, and a ring element which is constructed to generate from the primary air flow an amplified secondary air flow to the heat exchanger.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: December 30, 2014
    Assignee: Audi AG
    Inventors: Carsten Klinkert, Sebastian Schwartze, Eduard Main, Siegfried Karmann