Patents by Inventor Takuya Yanagimoto

Takuya Yanagimoto 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 gas treatment device of diesel engine
    Patent number: 8793974
    Abstract: The present invention relates to an exhaust gas treatment device of a diesel engine that is capable of increasing the concentration of PM in the EGR gas, wherein an exhaust gas separator 2 has electrodes 12 and 13 having different polarities from each other to allow the PM in the exhaust gas 3 to be charged to a given polarity by means of corona discharge between the electrodes 12 and 13 and thus to permit a peripheral wall 14 surrounding the exhaust gas swirl chamber 9 to have the electrode 13 having the opposite polarity to the charged PM, and the charged PM in the exhaust gas 3 swirling the exhaust gas swirl chamber 9 is localizedly positioned around the peripheral wall 14 of the exhaust gas swirl chamber 9 through a centrifugal force and an electrostatic force to allow the exhaust gas 3 containing the localizedly positioned PM to be separated as the EGR gas 4 and sent to a terminal end portion 15 of the exhaust gas swirl chamber 9, while the exhaust gas 3 around the central cylinder 7 is being separated a
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: August 5, 2014
    Assignee: KUBOTA Corporation
    Inventors: Masahiro Aketa, Satoshi Sugimoto, Masato Ueda, Yuki Yoshita, Takuya Yanagimoto, Masayuki Tochimoto
  • EXHAUST GAS TREATMENT DEVICE OF DIESEL ENGINE
    Publication number: 20120000186
    Abstract: The present invention relates to an exhaust gas treatment device of a diesel engine that is capable of increasing the concentration of PM in the EGR gas, wherein an exhaust gas separator 2 has electrodes 12 and 13 having different polarities from each other to allow the PM in the exhaust gas 3 to be charged to a given polarity by means of corona discharge between the electrodes 12 and 13 and thus to permit a peripheral wall 14 surrounding the exhaust gas swirl chamber 9 to have the electrode 13 having the opposite polarity to the charged PM, and the charged PM in the exhaust gas 3 swirling the exhaust gas swirl chamber 9 is localizedly positioned around the peripheral wall 14 of the exhaust gas swirl chamber 9 through a centrifugal force and an electrostatic force to allow the exhaust gas 3 containing the localizedly positioned PM to be separated as the EGR gas 4 and sent to a terminal end portion 15 of the exhaust gas swirl chamber 9, while the exhaust gas 3 around the central cylinder 7 is being separated a
    Type: Application
    Filed: March 12, 2010
    Publication date: January 5, 2012
    Applicant: KUBOTA CORPORATION
    Inventors: Masahiro Aketa, Satoshi Sugimoto, Masato Ueda, Yuki Yoshita, Takuya Yanagimoto, Masayuki Tochimoto