Patents by Inventor Kodai IWATSU

Kodai IWATSU 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: 11111956
    Abstract: A squeeze film damper bearing has an inner support ring capable of supporting a bearing portion; an outer support ring disposed on an outer periphery of the inner support ring; and a dissipation portion formed on at least one of the outer support ring and the inner support ring to dissipate vibration energy. A damper gap formed between an outer circumferential face of the inner support ring and an inner circumferential face of the outer support ring is filled with a viscous fluid.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: September 7, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Teruaki Yamawaki, Yasunori Tokimasa, Takeshi Sano, Kodai Iwatsu
  • Publication number: 20210222578
    Abstract: There is provided a fluid control device included in a rotary machine including a rotor, a case provided to surround an outer side of the rotor, and seal fins each provided to protrude from at least one of the rotor or the case, and configured to control a swirling flow flowing between the seal fin and the rotor or between the seal fin and the case. The fluid control device includes a first fluid control device configured to generate an induced flow in a backflow direction opposite to a flow direction of the swirling flow in an axial direction of the rotor.
    Type: Application
    Filed: January 14, 2021
    Publication date: July 22, 2021
    Inventors: Kodai IWATSU, Makoto IWASAKI, Teruaki YAMAWAKI
  • Publication number: 20200271159
    Abstract: A squeeze film damper bearing has an inner support ring capable of supporting a bearing portion; an outer support ring disposed on an outer periphery of the inner support ring; and a dissipation portion formed on at least one of the outer support ring and the inner support ring to dissipate vibration energy. A damper gap formed between an outer circumferential face of the inner support ring and an inner circumferential face of the outer support ring is filled with a viscous fluid.
    Type: Application
    Filed: February 11, 2020
    Publication date: August 27, 2020
    Inventors: Teruaki YAMAWAKI, Yasunori TOKIMASA, Takeshi SANO, Kodai IWATSU