Patents by Inventor Yoshinori KURIOKA

Yoshinori KURIOKA 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).

  • Abnormality treatment apparatus for rotating machine, and rotating machine system
    Patent number: 11060902
    Abstract: An abnormality treatment apparatus includes: a sensor which outputs a signal upon detecting an event caused by contact of a rotor of a rotating machine during rotation of the rotor; and a control unit which executes at least one of rotation number control of reducing the number of rotations of the rotor step by step, liquid injection control of injecting liquid into a housing chamber of the rotor step by step, and pressure control of lowering a discharge pressure of the rotating machine step by step based on reception of the signal output from the sensor.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: July 13, 2021
    Assignee: Kobe Steel, Ltd.
    Inventors: Shugo Takaki, Yoshinori Kurioka, Yasuharu Matsumoto, Eiji Takahashi, Kaname Araki
  • ABNORMALITY TREATMENT APPARATUS FOR ROTATING MACHINE, AND ROTATING MACHINE SYSTEM
    Publication number: 20190391005
    Abstract: An abnormality treatment apparatus includes: a sensor which outputs a signal upon detecting an event caused by contact of a rotor of a rotating machine during rotation of the rotor; and a control unit which executes at least one of rotation number control of reducing the number of rotations of the rotor step by step, liquid injection control of injecting liquid into a housing chamber of the rotor step by step, and pressure control of lowering a discharge pressure of the rotating machine step by step based on reception of the signal output from the sensor.
    Type: Application
    Filed: June 17, 2019
    Publication date: December 26, 2019
    Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)
    Inventors: Shugo TAKAKI, Yoshinori KURIOKA, Yasuharu MATSUMOTO, Eiji TAKAHASHI, Kaname ARAKI
  • Compressor having balance mechanism for a thrust bearing
    Patent number: 9816553
    Abstract: In order to adapt a balance piston unit of a compressor to a high speed, and to extend a service life of the compressor, a screw compressor according to the present invention includes a screw rotor including a rotor shaft, a radial bearing, a thrust plate, a balance mechanism, which is a slide bearing, a lubrication oil supply flow passage for supplying a lubrication oil, and a working fluid supply flow passage for supplying a working fluid for pressing the balance mechanism toward the thrust plate so that a reverse thrust load acts on the thrust plate.
    Type: Grant
    Filed: September 15, 2014
    Date of Patent: November 14, 2017
    Assignee: Kobe Steel, Ltd.
    Inventors: Shugo Takaki, Yoshinori Kurioka, Masahiro Tajima, Hisanori Gotou, Norio Kawaguchi
  • COMPRESSOR
    Publication number: 20150118092
    Abstract: In order to adapt a balance piston unit of a compressor to a high speed, and to extend a service life of the compressor, a screw compressor according to the present invention includes a screw rotor including a rotor shaft, a radial bearing, a thrust plate, a balance mechanism, which is a slide bearing, a lubrication oil supply flow passage for supplying a lubrication oil, and a working fluid supply flow passage for supplying a working fluid for pressing the balance mechanism toward the thrust plate so that a reverse thrust load acts on the thrust plate.
    Type: Application
    Filed: September 15, 2014
    Publication date: April 30, 2015
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Shugo TAKAKI, Yoshinori KURIOKA, Masahiro TAJIMA, Hisanori GOTOU, Norio KAWAGUCHI