Patents by Inventor Shiho SHONAI

Shiho SHONAI 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: 11668397
    Abstract: A sealing structure for a front cover of an engine includes a front cover made of resin of an engine in which a through-hole, into which a boss part of a torsional damper is to be inserted, is provided, and a sealing apparatus to seal between the through-hole of the front cover and the shaft part. The sealing apparatus includes a support ring that is made of resin and has an annular shape, and an elastic body part that is made of an elastic material, has an annular shape and is attached to the support ring. The elastic body part has an annular seal lip that contacts the shaft part such that the shaft part is able to slide, and the support ring is bonded to the front cover.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: June 6, 2023
    Inventors: Shiho Shonai, Hiromi Sugihara, Kokichi Hamamoto, Tomoaki Nishimura
  • Publication number: 20210215251
    Abstract: A sealing structure for a front cover of an engine includes a front cover made of resin of an engine in which a through-hole, into which a boss part of a torsional damper is to be inserted, is provided, and a sealing apparatus to seal between the through-hole of the front cover and the shaft part. The sealing apparatus includes a support ring that is made of resin and has an annular shape, and an elastic body part that is made of an elastic material, has an annular shape and is attached to the support ring. The elastic body part has an annular seal lip that contacts the shaft part such that the shaft part is able to slide, and the support ring is bonded to the front cover.
    Type: Application
    Filed: August 9, 2019
    Publication date: July 15, 2021
    Inventors: Shiho SHONAI, Hiromi SUGIHARA, Kokichi HAMAMOTO, Tomoaki NISHIMURA