Patents by Inventor Bjarne K. Berntsen

Bjarne K. Berntsen 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).

  • Regulating device for the superheat temperature of the evaporator of a refrigeration or heat pump installation
    Patent number: 4845956
    Abstract: The invention relates to a device and method for regulating the superheat temperature of the evaporator of a refrigeration or heat pump system. The existing and desired superheat values are compared at intervals of two and the rate of departure between these two values is utilized for adjusting the desired superheat value.
    Type: Grant
    Filed: April 4, 1988
    Date of Patent: July 11, 1989
    Assignee: Danfoss A/S
    Inventors: Bjarne K. Berntsen, Mads F. Prebensen, Ole Ploug