Patents by Inventor Kosuke SAKASAI

Kosuke SAKASAI 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).

  • Fixing structure for exhaust gas sensor of internal combustion engine
    Patent number: 9890703
    Abstract: A cylinder head of an internal combustion engine includes a first exhaust port section having an upstream inlet opened and closed by a first exhaust valve, a second exhaust port section having an upstream inlet opened and closed by a second exhaust valve, and a collective exhaust port section into which the first and second exhaust port sections merge at downstream ends thereof. In a fixing structure for an exhaust gas sensor, the sensor is fixed to the collective exhaust port section with its sensing tip in the port section. An exhaust gas guide part is formed, at a position upstream of the sensor, on an internal wall of the port section, opposite the internal wall to which the sensor is fixed, so as to bulge out to guide exhaust gas toward the sensor, whereby exhaust gas is effectively intermixed and directed to the sensor with resultant increased sensing accuracy.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: February 13, 2018
    Assignee: Honda Motor Co., Ltd.
    Inventors: Yutaka Inomoto, Hitoshi Yokotani, Kosuke Sakasai, Satoshi Okayama
  • FIXING STRUCTURE FOR EXHAUST GAS SENSOR OF INTERNAL COMBUSTION ENGINE
    Publication number: 20160245169
    Abstract: A cylinder head of an internal combustion engine includes a first exhaust port section having an upstream inlet opened and closed by a first exhaust valve, a second exhaust port section having an upstream inlet opened and closed by a second exhaust valve, and a collective exhaust port section into which the first and second exhaust port sections merge at downstream ends thereof. In a fixing structure for an exhaust gas sensor, the sensor is fixed to the collective exhaust port section with its sensing tip in the port section. An exhaust gas guide part is formed, at a position upstream of the sensor, on an internal wall of the port section, opposite the internal wall to which the sensor is fixed, so as to bulge out to guide exhaust gas toward the sensor, whereby exhaust gas is effectively intermixed and directed to the sensor with resultant increased sensing accuracy.
    Type: Application
    Filed: May 20, 2014
    Publication date: August 25, 2016
    Inventors: Yutaka INOMOTO, Hitoshi YOKOTANI, Kosuke SAKASAI, Satoshi OKAYAMA