Patents by Inventor Sumio Harada

Sumio Harada 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).

  • Structure for combustion chamber of auxiliary chamber type internal combustion engine
    Patent number: 4619229
    Abstract: An auxiliary chamber injection port providing communication between a main combustion chamber and an auxiliary combustion chamber has its axis composed of a combination of a straight line and an arc in a manner to satisfy the following relationships: .theta..sub.1 <.theta..sub.2 ; 20.degree..ltoreq..theta..sub.1 .ltoreq.45.degree.; and 35.degree..ltoreq..theta..sub.2 .ltoreq.67.5.degree., if the outflow angle of the axis of said auxiliary chamber injection port at the open end at the side of said auxiliary combustion chamber is designated at .theta..sub.2 with respect to a plane normal to the center line of said auxiliary combustion chamber and if the outflow angle of the axis of said auxiliary chamber injection port at the open end at the side of said main combustion chamber with respect to a plane normal to the center line of said auxiliary combustion chamber is designated at .theta..sub.1.
    Type: Grant
    Filed: January 15, 1985
    Date of Patent: October 28, 1986
    Assignees: Mitsubishi Jukogyo Kabushiki Kaisha, Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    Inventors: Koji Imoto, Mataji Tateishi, Noriyasu Inenaga, Tadao Omura, Hideyuki Ishikawa, Sumio Harada, Yuhiko Kiyota, Hiroyuki Kobayashi, Koichi Nakanishi, Satoru Kume