Patents by Inventor Yasunori KOZUKA

Yasunori KOZUKA 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 VALVE DEVICE
    Publication number: 20200157988
    Abstract: An exhaust valve device includes a valve body, a valve seat, a support shaft, a coil spring, and a cushion member. The valve body is placed in an exhaust passage in a silencer, and configured to open and close the exhaust passage. The valve body abuts against the valve seat when the valve body is closed. The support shaft is fixed to the valve seat, and supports the valve body to be able to swing freely. The support shaft is inserted in the coil spring. The coil spring biases the valve body. The cushion member is interposed between the coil spring and the support shaft. The cushion member is rotatable relative to the support shaft.
    Type: Application
    Filed: July 19, 2018
    Publication date: May 21, 2020
    Inventors: Katsufumi INOUE, Hiroaki MASUBUCHI, Yasunori KOZUKA, Shou UCHIDA, Youhei MAEZONO, Mizuki HAYASHIDA
  • Turbine housing
    Patent number: 10570779
    Abstract: A turbine housing includes an inner pipe that forms an exhaust air flow path in which a turbine wheel accommodating a turbine shaft is arranged; and an outer pipe that is spaced from the inner pipe at a predetermined distance and covers the inner pipe. At least one reinforcing plate is secured to an inner surface of the outer pipe.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: February 25, 2020
    Assignee: CALSONIC KANSEI CORPORATION
    Inventors: Masayuki Hara, Satoru Yokoshima, Tooru Iijima, Yasunori Kozuka, Etsuo Kobayashi, Naoki Tobari
  • Turbine housing
    Patent number: 10519806
    Abstract: In a turbine housing that includes a scroll portion constituting a spiral exhaust gas passage between an exhaust inlet side flange constituting an inlet for exhaust gas and an exhaust outlet side flange constituting an outlet for the exhaust gas, the turbine housing discharging the exhaust gas to an exhaust outlet side through a turbine wheel disposed in a central portion of the scroll portion, a part of a passage face of the exhaust gas passage, in the scroll portion, is formed from a scroll member made of a casting.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: December 31, 2019
    Assignee: CALSONIC KANSEI CORPORATION
    Inventors: Satoru Yokoshima, Toru Iijima, Naoki Tobari, Yasunori Kozuka, Takaharu Yamamoto
  • TURBINE HOUSING
    Publication number: 20180328226
    Abstract: In a turbine housing that includes a scroll portion constituting a spiral exhaust gas passage between an exhaust inlet side flange constituting an inlet for exhaust gas and an exhaust outlet side flange constituting an outlet for the exhaust gas, the turbine housing discharging the exhaust gas to an exhaust outlet side through a turbine wheel disposed in a central portion of the scroll portion, a part of a passage face of the exhaust gas passage, in the scroll portion, is formed from a scroll member made of a casting.
    Type: Application
    Filed: November 2, 2016
    Publication date: November 15, 2018
    Applicant: CALSONIC KANSEI CORPORATION
    Inventors: Satoru YOKOSHIMA, Toru IIJIMA, Naoki TOBARI, Yasunori KOZUKA, Takaharu YAMAMOTO
  • TURBINE HOUSING
    Publication number: 20180066541
    Abstract: A turbine housing includes an inner pipe that forms an exhaust air flow path in which a turbine wheel accommodating a turbine shaft is arranged; and an outer pipe that is spaced from the inner pipe at a predetermined distance and covers the inner pipe. At least one reinforcing plate is secured to an inner surface of the outer pipe.
    Type: Application
    Filed: March 11, 2016
    Publication date: March 8, 2018
    Applicant: CALSONIC KANSEI CORPORATION
    Inventors: Masayuki HARA, Satoru YOKOSHIMA, Tooru IIJIMA, Yasunori KOZUKA, Etsuo KOBAYASHI, Naoki TOBARI