Patents by Inventor Kazuo FUTATSUGI

Kazuo FUTATSUGI 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).

  • Canned motor and canned motor manufacturing method
    Patent number: 11728701
    Abstract: This canned motor (10) is provided with a rotor (14); a cylindrical rotor can (42) that houses the rotor (14); an end plate (40) that covers an opening of the rotor can (42) in the axial direction and is joined to the rotor can (42); a rotating shaft (16) that passes through the rotor (14) and the end plate (40); and an annular wall (46) that surrounds the outer circumference of the rotating shaft (16), is joined to or integrated with the end plate (40), and is joined to the entire circumference of the rotating shaft (16) at an end thereof in the axial direction. The thickness of the end plate (40) is larger than the thickness of the annular wall (46).
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: August 15, 2023
    Assignee: NIKKISO CO., LTD.
    Inventors: Kazuo Futatsugi, Osamu Watanabe, Yasushi Kubota, Yu Kodama, Masaaki Eguchi
  • CANNED MOTOR AND CANNED MOTOR MANUFACTURING METHOD
    Publication number: 20210376675
    Abstract: This canned motor (10) is provided with a rotor (14); a cylindrical rotor can (42) that houses the rotor (14); an end plate (40) that covers an opening of the rotor can (42) in the axial direction and is joined to the rotor can (42); a rotating shaft (16) that passes through the rotor (14) and the end plate (40); and an annular wall (46) that surrounds the outer circumference of the rotating shaft (16), is joined to or integrated with the end plate (40), and is joined to the entire circumference of the rotating shaft (16) at an end thereof in the axial direction. The thickness of the end plate (40) is larger than the thickness of the annular wall (46).
    Type: Application
    Filed: July 18, 2019
    Publication date: December 2, 2021
    Applicant: NIKKISO CO., LTD.
    Inventors: Kazuo FUTATSUGI, Osamu WATANABE, Yasushi KUBOTA, Yu KODAMA, Masaaki EGUCHI