Patents by Inventor Sven A. Olund

Sven A. Olund 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).

  • Patent number: 4199461
    Abstract: Refrigeration or heat pump apparatus containing working fluid consisting essentially of refrigerant and lubricant, said refrigerant being a halo-substituted hydrocarbon of 1 to 3 carbon atoms and preferably at least 40% by weight fluorine, and said lubricant being mineral lubricating oil, poly-alpha-olefin lubricating oil, synthetic alkylbenzene lubricating oil or mixtures thereof containing the combination of higher fatty acid and arylphosphate in a minor amount, sufficient to improve the wear-inhibiting properties of said lubricant and to improve the resistance of said lubricant to decomposition.
    Type: Grant
    Filed: October 16, 1978
    Date of Patent: April 22, 1980
    Assignee: Chevron Research Company
    Inventor: Sven A. Olund
  • Patent number: 4046533
    Abstract: Refrigeration apparatus containing working fluid consisting essentially of refrigerant and lubricant, said refrigerant being halo-substituted hydrocarbon of 1 to 3 carbon atoms and at least 40% by weight fluorine and said lubricant being mixed branched chain alkylbenzenes having an average molecular weight in the range of from about 300 to about 470, said alkylbenzenes being produced by HF alkylation of benzenes with mixed polypropylenes.
    Type: Grant
    Filed: January 26, 1976
    Date of Patent: September 6, 1977
    Assignee: Chevron Research Company
    Inventor: Sven A. Olund