Patents by Inventor Norihiro Kajimoto

Norihiro Kajimoto 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).

  • Exhaust purification device for engine
    Patent number: 8117830
    Abstract: An agitating device for agitating the exhaust gas of an engine includes a base plate having a plurality of through holes that are defined by radially extending spoke portions and a ring-like rim portion and are arranged in a circular pattern in a circumferential direction of the base plate, and a plurality of fins expanding from the respective spokes on a slant with respect to the base plate. The base plate is fixed in the exhaust passage by the rim portion being jointed to the exhaust passage at welded portions. The welded portions are each disposed in an area between respective two adjacent spoke portions in the circumferential direction of the base plate, and an outer edge of the rim portion positioned on the outer side of the rim portion in extending directions of the spoke portions is located next to the exhaust passage with a gap provided therebetween.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: February 21, 2012
    Assignees: Mitsubishi Fuso Truck and Bus Corporation, Tokyo Roki Co., Ltd.
    Inventors: Satoshi Hiranuma, Yoshinaka Takeda, Hiroaki Fujita, Shinichi Saito, Yasuko Suzuki, Yuji Mitsui, Norihiro Kajimoto, Fumio Aoki, Hayato Aizawa
  • EXHAUST PURIFICATION DEVICE FOR ENGINE
    Publication number: 20090165447
    Abstract: An agitating device for agitating the exhaust gas of an engine includes a base plate having a plurality of through holes that are defined by radially extending spoke portions and a ring-like rim portion and are arranged in a circular pattern in a circumferential direction of the base plate, and a plurality of fins expanding from the respective spokes on a slant with respect to the base plate. The base plate is fixed in the exhaust passage by the rim portion being jointed to the exhaust passage at welded portions. The welded portions are each disposed in an area between respective two adjacent spoke portions in the circumferential direction of the base plate, and an outer edge of the rim portion positioned on the outer side of the rim portion in extending directions of the spoke portions is located next to the exhaust passage with a gap provided therebetween.
    Type: Application
    Filed: December 23, 2008
    Publication date: July 2, 2009
    Applicants: MITSUBISHI FUSO TRUCK AND BUS CORPORATION, TOKYO ROKI CO., LTD.
    Inventors: Satoshi HIRANUMA, Yoshinaka TAKEDA, Hiroaki FUJITA, Shinichi SAITO, Yasuko SUZUKI, Yuji MITSUI, Norihiro KAJIMOTO, Fumio AOKI, Hayato AIZAWA