Patents by Inventor Kousuke SHIRAI

Kousuke SHIRAI 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).

  • Control valve assembly
    Patent number: 11060485
    Abstract: A control valve assembly includes a housing accommodating an electromagnetic coil unit which is disposed in an in-housing passage and drives a valve element to open and close the in-housing passage. An inflow-outflow member is coupled to the housing, and includes an inflow portion having an inflow passage through which evaporative fuel flows toward the in-housing passage, and an outflow portion having an outflow passage through which the evaporative fuel from the in-housing passage flows. The outflow passage in the outflow portion and the inflow passage in the inflow portion communicate with each other through the in-housing passage.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: July 13, 2021
    Assignee: HAMANAKODENSO CO., LTD.
    Inventors: Kousuke Shirai, Yuichiro Kawamura
  • CONTROL VALVE ASSEMBLY
    Publication number: 20190331063
    Abstract: A control valve assembly includes a housing accommodating an electromagnetic coil unit which is disposed in an in-housing passage and drives a valve element to open and close the in-housing passage. An inflow-outflow member is coupled to the housing, and includes an inflow portion having an inflow passage through which evaporative fuel flows toward the in-housing passage, and an outflow portion having an outflow passage through which the evaporative fuel from the in-housing passage flows. The outflow passage in the outflow portion and the inflow passage in the inflow portion communicate with each other through the in-housing passage.
    Type: Application
    Filed: April 22, 2019
    Publication date: October 31, 2019
    Inventors: Kousuke SHIRAI, Yuichiro KAWAMURA