Patents by Inventor Masanori UCHIMURA

Masanori UCHIMURA 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).

  • Rotor tooth crack inspection method
    Patent number: 11888361
    Abstract: The occurrence angle of a crack with respect to a reference line passing by a tooth shoulder portion perpendicularly to the radial direction of a tooth is defined as ?. A phased array probe is placed in advance at a position on the outer circumferential surface of a retaining ring that is located in a direction estimated to be perpendicular to the occurrence angle ?, and sector scan is performed with an ultrasonic beam radiated from the phased array probe, thereby inspecting whether or not the crack has occurred at the tooth shoulder portion.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: January 30, 2024
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Takashi Oya, Masanori Uchimura
  • ROTOR TOOTH CRACK INSPECTION METHOD
    Publication number: 20210083559
    Abstract: The occurrence angle of a crack with respect to a reference line passing by a tooth shoulder portion perpendicularly to the radial direction of a tooth is defined as ?. A phased array probe is placed in advance at a position on the outer circumferential surface of a retaining ring that is located in a direction estimated to be perpendicular to the occurrence angle ?, and sector scan is performed with an ultrasonic beam radiated from the phased array probe, thereby inspecting whether or not the crack has occurred at the tooth shoulder portion.
    Type: Application
    Filed: May 25, 2018
    Publication date: March 18, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takashi OYA, Masanori UCHIMURA