Patents by Inventor Taketoshi Tamura

Taketoshi Tamura 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).

  • EGR cooler
    Patent number: 9909475
    Abstract: There is provided an EGR cooler having a core portion in which a large number of flat tubes through which exhaust gases pass are stacked one on another in an interior of a hollow cylindrical shell to be joined to the shell for heat exchange between the exhaust gases and a cooling fluid which flows around the tubes, a cylindrical inlet header which is joined to an upstream side of the shell in relation to a gas flow at one end thereof, and a cylindrical outlet header which is joined to a downstream side of the core portion in relation to the gas flow at one end thereof, characterized in that the inlet header and the outlet header are joined to an outer surface of the shell, and the tubes are joined to an inner surface of the shell at those joint portions.
    Type: Grant
    Filed: November 22, 2012
    Date of Patent: March 6, 2018
    Assignee: Tokyo Radiator MFG. Co., Ltd.
    Inventors: Tetsu Yokoo, Toshihito Nakanowatari, Toshikazu Kodama, Kazuya Okawara, Norihito Seki, Susumu Kozai, Isao Ayuse, Taketoshi Tamura, Kenta Semura
  • EGR Cooler
    Publication number: 20140318109
    Abstract: There is provided an EGR cooler having a core portion in which a large number of flat tubes through which exhaust gases pass are stacked one on another in an interior of a hollow cylindrical shell to be joined to the shell for heat exchange between the exhaust gases and a cooling fluid which flows around the tubes, a cylindrical inlet header which is joined to an upstream side of the shell in relation to a gas flow at one end thereof, and a cylindrical outlet header which is joined to a downstream side of the core portion in relation to the gas flow at one end thereof, characterized in that the inlet header and the outlet header are joined to an outer surface of the shell, and the tubes are joined to an inner surface of the shell at those joint portions.
    Type: Application
    Filed: November 22, 2012
    Publication date: October 30, 2014
    Applicant: TOKYO RADIATOR MFG. CO., LTD.
    Inventors: Tetsu Yokoo, Toshihito Nakanowatari, Toshikazu Kodama, Kazuya Okawara, Norihito Seki, Susumu Kozai, Isao Ayuse, Taketoshi Tamura, Kenta Semura