Patents by Inventor Kensuke Karasawa

Kensuke Karasawa 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).

  • Cylindrical heat exchanger using heat pipes
    Patent number: 4327801
    Abstract: This invention relates to an improvement in a heat exchanger of the type using heat pipes which permits reduction in size of the heat exchanger and enhancement in heat exchange efficiency and more particularly to a cylindrical heat exchanger principally comprising a cylindrical or polygonal tubular casing provided with openings in the middle parts of its upper and lower sides and in its circumferential side, a transverse partition plate which divides the inside of the casing into upper and lower parts and a group of vertical heat pipes arranged to pierce through the peripheral portion of the partition plate in an annular plan configuration as a whole.
    Type: Grant
    Filed: November 7, 1979
    Date of Patent: May 4, 1982
    Assignee: The Furukawa Electric Company, Ltd.
    Inventors: Tatsuya Koizumi, Shuichi Furuya, Koji Matsumoto, Kensuke Karasawa
  • Cylindrical heat exchanger using heat pipes
    Patent number: 4206807
    Abstract: This invention relates to an improvement in a heat exchanger of the type using heat pipes which permits reduction in size of the heat exchanger and enhancement in heat exchange efficiency and more particularly to a cylindrical heat exchanger principally comprising a cylindrical or polygonal tubular casing provided with openings in the middle parts of its upper and lower sides and in its circumferential side, a transverse partition plate which divides the inside of the casing into upper and lower parts and a group of vertical heat pipes arranged to pierce through the peripheral portion of the partition plate in an annular plan configuration as a whole.
    Type: Grant
    Filed: February 3, 1978
    Date of Patent: June 10, 1980
    Assignee: The Furukawa Electric Company Ltd.
    Inventors: Tatsuya Koizumi, Shuichi Furuya, Koji Matsumoto, Kensuke Karasawa