Patents by Inventor Eric G. U. Granryd

Eric G. U. Granryd 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).

  • Method of improving refrigerating capacity and coefficient of performance in a refrigerating system, and a refrigerating system for carrying out said method
    Patent number: 4014182
    Abstract: In a refrigerating system containing an evaporator, a condenser, a compressor and a closed vessel which receives condensed refrigerant from the condenser. The vessel has outlets connected to the compressor and to the evaporator. Communication between the vessel and the compressor is established for a regulated period to lower the pressure in the vessel, causing the refrigerant therein to boil. During most of this period, communication between the evaporator and the compressor is closed and thereafter is opened.
    Type: Grant
    Filed: October 7, 1975
    Date of Patent: March 29, 1977
    Inventor: Eric G. U. Granryd