Patents Assigned to Sakura Seiyusho Co. Ltd.
  • TRANSFORMER OIL, TRANSFORMER OIL EVALUATION METHOD, AND TRANSFORMER OIL EVALUATION APPARATUS
    Publication number: 20200013535
    Abstract: Provided is a transformer oil that has high environmental compatibility and is expected to be further improved in transformer cooling properties. The transformer oil is a transformer oil prepared by mixing a plant oil and a silicone oil and containing no mineral oil, in which a volume ratio of the plant oil to the silicone oil is 3:7 to 7:3 and magnetic particles (for example, temperature-sensitive magnetic particles) are dispersed.
    Type: Application
    Filed: March 9, 2018
    Publication date: January 9, 2020
    Applicants: THE DOSHISHA, Sakura Seiyusho Co. Ltd.
    Inventors: Hiroshi YAMAGUCHI, Haruhiko YAMASAKI, Tatsuo KAWAGUCHI