Patents by Inventor Hirotaka SUGAWARA

Hirotaka SUGAWARA 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).

  • Fuel supply control device
    Patent number: 11867124
    Abstract: A fuel supply control device (10) is configured to generate an operation amount used for feedback-controlling rotation of a gear pump (3) based on a deviation of a detected fuel flow rate with respect to a target flow rate, wherein the fuel supply control device generates the operation amount such that a rotation speed of the gear pump is equal to or greater than a predetermined lower limit rotation speed Nmin so as to protect a bearing of the gear pump.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: January 9, 2024
    Assignee: IHI Corporation
    Inventors: Akihiro Shimamura, Naoki Seki, Hirotaka Sugawara, Yasuhiko Yamamoto
  • FUEL SUPPLY CONTROL DEVICE
    Publication number: 20220128006
    Abstract: A fuel supply control device (10) is configured to generate an operation amount used for feedback-controlling rotation of a gear pump (3) based on a deviation of a detected fuel flow rate with respect to a target flow rate, wherein the fuel supply control device generates the operation amount such that a rotation speed of the gear pump is equal to or greater than a predetermined lower limit rotation speed Nmin so as to protect a bearing of the gear pump.
    Type: Application
    Filed: December 26, 2019
    Publication date: April 28, 2022
    Applicant: IHI Corporation
    Inventors: Akihiro SHIMAMURA, Naoki SEKI, Hirotaka SUGAWARA, Yasuhiko YAMAMOTO
  • ENERGY RECOVERY DEVICE FOR AIRCRAFT
    Publication number: 20210229817
    Abstract: An energy recovery device for an aircraft includes: a turbine that is provided between a cabin of the aircraft and an opening for discharging cabin discharge air from the cabin to the outside of the aircraft and is operated by only the cabin discharge air; and a power generator that is driven by the turbine.
    Type: Application
    Filed: April 15, 2021
    Publication date: July 29, 2021
    Applicant: IHI Corporation
    Inventors: Naoki SEKI, Hirotaka SUGAWARA, Yasunori NIHEI, Hitoshi OYORI