Patents by Inventor Holger Gruetzner

Holger Gruetzner 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: 20110024203
    Abstract: A hybrid drive for motor vehicle has at least one combustion engine, an electric machine and an electric energy accumulator (10). The electric energy accumulator (10) is dischargeable by the electric machine during the motor operation and is chargeable by the electric machine during the generator operation thereof. The air conditioning system has at least one compressor (11), a condenser (12) and a main evaporator (13) that provides cooling air (16) to be supplied to a passenger compartment (17) of the motor vehicle. An additional evaporator (18) is connected in parallel to the main evaporator (13) and supplies cooling air (19) to the electric energy accumulator (10) of the hybrid drive.
    Type: Application
    Filed: July 30, 2010
    Publication date: February 3, 2011
    Applicant: DR. ING. H.C.F. PORSCHE AKTIENGESELLSCHAFT
    Inventors: Robert Fleischhacker, Hagen Deyhle, Ralf Goetze, Holger Gruetzner, Andreas Voss