Patents by Inventor Tadashi Iljima

Tadashi Iljima 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: 8916101
    Abstract: A reducing agent aqueous solution mixing device includes an exhaust pipe, an injector, a mixing pipe and an inner pipe. The exhaust pipe includes an elbow part having a curved portion, and a linear part disposed downstream of the elbow part. The injector is disposed outside the curved portion and injects the reducing agent aqueous solution towards the linear part. The mixing pipe is disposed inside the elbow part to surround the reducing agent aqueous solution injected from the injector. The mixing pipe includes a plurality of openings on its outer peripheral surface. The inner pipe is disposed downstream of the mixing pipe and spaced apart from an outlet portion of the mixing pipe and from an inner wall of the linear part to allow the exhaust gas to flow through the inside of the inner pipe and along the outer periphery of the inner pipe.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: December 23, 2014
    Assignee: Komatsu Ltd.
    Inventors: Tadashi Iljima, Hirofumi Kizawa, Boku Itou, Shinji Tsujimura, Takashi Katou, Tetsuo Orita, Kanji Namimatsu, Issei Hara, Hiroyuki Tomioka