Patents by Inventor Toshiyuki Hashime

Toshiyuki Hashime 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: 4813867
    Abstract: A radiant tube burner is presented comprising a gas burner having a divergent flame type nozzle at its end and designed to be movable in the axial direction while placed coaxially in a combustion tube, primary air swirling vanes located at the end of the burner for forming a swirled flame and an air damper fitted on a primary air supply tube connected to the combustion tube for adjusting the primary and the second air ratio, whereby soft two-stage combustion takes place in the radiant tube. Generation of NOx is greatly reduced with the newly invented burner.
    Type: Grant
    Filed: May 25, 1987
    Date of Patent: March 21, 1989
    Assignees: Nihon Nensho System Kabushiki Kaisha, Mitsubishi Jukogyo Kabushiki Kaisha, Kawasaki Seitetsu Kabushiki Kaisha
    Inventors: Yasushi Yoshida, Nobuyoshi Oomori, Kaneaki Hyodo, Kenji Atarashiya, Norihisa Shiraishi, Toshiyuki Hashime