Patents by Inventor Ketil Haugen

Ketil Haugen 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).

  • Refrigeration system and a separator therefor
    Patent number: 6015453
    Abstract: A refrigeration system comprises a compressor, a condenser, a receiver and an evaporator, each having an inlet and an outlet, and a separator having an inlet and a first and second outlet, connected to each other conventionally. The separator is positioned laterally of the evaporator and closer thereto than to the compressor. A controller ensures overfeed of the evaporator by regulating the feed rate of liquid refrigerant from the receiver such that the separator is feeding the evaporator with liquid refrigerant in proportion to demand and safeguarding the desired overfeed. The separator comprises a cylindrical container having two outlets and an inlet for separating the vapor and liquid components of a refrigerant. The inlet is directed tangentially into the cylindrical container.
    Type: Grant
    Filed: November 2, 1998
    Date of Patent: January 18, 2000
    Assignee: Frigoscandia Equipment AB
    Inventors: Ketil Haugen, H.ang.kan Ohlsson, Per-Oskar Persson
  • Refrigeration system and a separator therefor
    Patent number: 5857347
    Abstract: A refrigeration system comprises a compressor, a condenser, a receiver and an evaporator, each having an inlet and an outlet, and a separator having an inlet and a first and a second outlet, connected to each other conventionally. The separator is positioned laterally of the evaporator and closer thereto than to the compressor. A controller ensures overfeed of the evaporator by regulating the feed rate of liquid refrigerant from the receiver such that the separator is feeding the evaporator with liquid refrigerant in proportion to demand and safeguarding the desired overfeed. The separator comprises a cylindrical container having two outlets and an inlet for separating the vapor and liquid components of a refrigerant. The inlet is directed tangentially into the cylindrical container.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: January 12, 1999
    Assignee: Frigoscandia Equipment AB
    Inventors: Ketil Haugen, H.ang.kan Ohlsson, Per-Oskar Persson