Patents by Inventor Misaki SATOU

Misaki SATOU 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).

  • Patent number: 10323752
    Abstract: A butterfly valve includes a valve element that turns with a shaft to control open/closed states of a passage or adjust an opening degree of the passage. The valve element includes a plate and an elastic member provided along an outer circumference of the plate. The elastic member has seal parts that touch and leave an inner surface of the passage to close and open the passage. The plate has specific shapes on both sides with respect to an axis of the shaft, the specific shapes narrowing gaps between the plate and the inner surface on lower-pressure sides of seal centers of the seal parts in a valve closed state.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: June 18, 2019
    Assignee: TGK CO., LTD.
    Inventors: Toshihiro Andoh, Misaki Satou, Kiyotaka Ueki
  • Publication number: 20170328477
    Abstract: A butterfly valve includes a valve element that turns with a shaft to control open/closed states of a passage or adjust an opening degree of the passage. The valve element includes a plate and an elastic member provided along an outer circumference of the plate. The elastic member has seal parts that touch and leave an inner surface of the passage to close and open the passage. The plate has specific shapes on both sides with respect to an axis of the shaft, the specific shapes narrowing gaps between the plate and the inner surface on lower-pressure sides of seal centers of the seal parts in a valve closed state.
    Type: Application
    Filed: May 10, 2017
    Publication date: November 16, 2017
    Inventors: Toshihiro ANDOH, Misaki SATOU, Kiyotaka UEKI