Patents by Inventor Stefan Karl

Stefan Karl 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).

  • Device for controlling the temperature in the passenger compartment of a vehicle with an electric motor
    Patent number: 5692390
    Abstract: A temperature control device for an electric motor vehicle passenger compartment, wherein a fluid coolant flows through an inner heat exchanger arranged in the path of an air flow to the passenger compartment, a first outer heat exchanger arranged in the path of an air flow out of the passenger compartment, and a second outer heat exchanger ?(42)! for exchanging heat with a heat source outside the passenger compartment. Said device may operate in heating mode or in cooling mode depending on the direction of flow of the fluid coolant. The device is useful in motor vehicles.
    Type: Grant
    Filed: April 25, 1996
    Date of Patent: December 2, 1997
    Assignee: Valeo Climatisation
    Inventors: Stefan Karl, Vincent Pomme