Patents by Inventor Keishi KITABATAKE

Keishi KITABATAKE 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).

  • Publication number: 20180258827
    Abstract: A downstream-side heat insulating material which is provided at a side face of a GPF which is positioned on a downstream side, in an exhaust-gas flowing direction, of plural in-line arranged catalysts has a first opening portion and a second opening portion which are provided for attaching supporting members.
    Type: Application
    Filed: December 29, 2017
    Publication date: September 13, 2018
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Taku KURAMASHI, Keishi KITABATAKE, Tamotsu TAKAMURE, Toshiaki KAMO
  • Publication number: 20180258826
    Abstract: An arc-shaped recess part is provided at a collective pipe of an exhaust manifold, whereby a flow of exhaust gas from one end side of cylinders is uniformized and then introduced into an exhaust-gas purifying device.
    Type: Application
    Filed: February 26, 2018
    Publication date: September 13, 2018
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Taku KURAMASHI, Keishi KITABATAKE, Tamotsu TAKAMURE, Toshiaki KAMO
  • Publication number: 20180258886
    Abstract: An exhaust-gas discharge port to discharge a main flow of exhaust gas passing through an exhaust-gas purifying device is provided at a position which is offset, on one side, from a center axis of the purifying-device body, and an EGR-gas takeout port is provided at a position which is offset, on an opposite side to the exhaust-gas discharge port, from the center axis of the purifying-device body.
    Type: Application
    Filed: February 26, 2018
    Publication date: September 13, 2018
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Taku KURAMASHI, Keishi KITABATAKE, Tamotsu TAKAMURE, Toshiaki KAMO
  • Patent number: 8549837
    Abstract: An exhaust upstream section (48) of an exhaust apparatus (E) comprises a plurality of branch pipe portions (32), a plurality of intermediate collector pipe portions (33), a final collector pipe portion (34), and an exhaust gas-purifying unit (40). The exhaust gas-purifying unit (40) is disposed on a vehicle-rear side of an engine (1) to allow a gas passage thereinside to extend approximately in vehicle-widthwise direction, in top plan view. Each of the plurality of intermediate collector pipe portions (33) curves to allow an exhaust downstream region of the intermediate collector pipe portion (33) to be oriented toward one side or the other side of the vehicle-widthwise direction, in top plan view, and the final collector pipe portion (34) curves to allow an exhaust downstream region of the final collector pipe portion (34) to be oriented toward a vehicle-front side, in top plan view.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: October 8, 2013
    Assignee: Mazda Motor Corporation
    Inventors: Kenji Ushijima, Hirokazu Hasegawa, Yasushi Nakatani, Keishi Kitabatake, Yasushi Kusunoki, Toshiaki Kamo, Yoshitaka Nakamura, Daisuke Watanabe, Hiroki Shimoji, Masami Negami
  • Publication number: 20110126522
    Abstract: Disclosed is an exhaust apparatus (E) for a transverse engine (1) coupled with a transmission (11) located on one side thereof in a cylinder arrangement direction. The exhaust apparatus (E) has an upstream exhaust assembly (48) which comprises a plurality of branch pipe portions (32), a single exhaust pipe portion (34), and an exhaust gas-purifying unit (40). The exhaust gas-purifying unit (40) is disposed on a vehicle-rear side of the engine (1) to allow a gas passage thereinside to extend approximately in a vehicle-widthwise direction, in top plan view. The upstream exhaust assembly (48) includes, on an exhaust upstream side of the single exhaust pipe portion (34), a section which curves to allow an exhaust downstream region of the section to be oriented toward one side of the vehicle-widthwise direction which is a direction coming close to the transmission (11), in top plan view.
    Type: Application
    Filed: December 1, 2010
    Publication date: June 2, 2011
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Kenji USHIJIMA, Hirokazu HASEGAWA, Yasushi NAKATANI, Keishi KITABATAKE, Yasushi KUSUNOKI, Toshiaki KAMO, Yoshitaka NAKAMURA, Daisuke WATANABE, Hiroki SHIMOJI, Masami NEGAMI
  • Publication number: 20110126521
    Abstract: An exhaust upstream section (48) of an exhaust apparatus (E) comprises a plurality of branch pipe portions (32), a plurality of intermediate collector pipe portions (33), a final collector pipe portion (34), and an exhaust gas-purifying unit (40). The exhaust gas-purifying unit (40) is disposed on a vehicle-rear side of an engine (1) to allow a gas passage thereinside to extend approximately in a vehicle-widthwise direction, in top plan view. Each of the plurality of intermediate collector pipe portions (33) curves to allow an exhaust downstream region of the intermediate collector pipe portion (33) to be oriented toward one side or the other side of the vehicle-widthwise direction, in top plan view, and the final collector pipe portion (34) curves to allow an exhaust downstream region of the final collector pipe portion (34) to be oriented toward a vehicle-front side, in top plan view.
    Type: Application
    Filed: December 1, 2010
    Publication date: June 2, 2011
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Kenji USHIJIMA, Hirokazu HASEGAWA, Yasushi NAKATANI, Keishi KITABATAKE, Yasushi KUSUNOKI, Toshiaki KAMO, Yoshitaka NAKAMURA, Daisuke WATANABE, Hiroki SHIMOJI, Masami NEGAMI