Patents by Inventor Osamu Isumi

Osamu Isumi 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: 7947381
    Abstract: The present invention provides parts of a rotation machine which effectively prevent particulates, such as silica, iron oxide, and other particles, contained in a gas to adhere to the rotating machines which work with the gases containing the particulates. An intermediated metal-plated film and a plated film containing fluorocarbon polymer particles provided on the intermediate metal-plated film are deposited on the surfaces of moving blades used in a steam turbine. The plated film containing the fluorocarbon polymer particles includes fluorocarbon polymer particles made of any of Ni-based metals and a plated matrix, and some of the fluorocarbon polymer particles are exposed at the surfaces of the plated matrix.
    Type: Grant
    Filed: February 24, 2006
    Date of Patent: May 24, 2011
    Assignees: Mitsubishi Heavy Industries, Ltd., Japan Kanigen Co. Ltd.
    Inventors: Toyoaki Yasui, Yoshikazu Yamada, Katsuyasu Hananaka, Satoshi Hata, Yuzo Tsurusaki, Osamu Isumi, Kazuhide Saito, Kenichi Nemoto, Yukiharu Suzuki
  • Publication number: 20110013860
    Abstract: Disclosed is a bearing including: a base consisting of a Cu alloy; an uneven portion formed on the base; a plating layer consisting of a ferromagnetic metal or its alloy and formed on the base so as to cover the uneven portion; and a Sn alloy layer formed on the plating layer. The surface of the Sn alloy layer constitutes a sliding surface against an object that the bearing supports.
    Type: Application
    Filed: March 19, 2009
    Publication date: January 20, 2011
    Inventors: Toyoaki Yasui, Yoshikazu Yamada, Yuya Konno, Osamu Isumi
  • Patent number: 7410701
    Abstract: A coating layer is provided on a surface of the moving blades of a rotary machine. The coating layer includes a spray layer on the base material of the moving blades and a fluorocarbon resin layer on the spray layer. The spray layer is porous. The fluorocarbon resin layer is made of fluorocarbon resin. The fluorocarbon resin layer also contains an inorganic substance that is exposed on the surface of the fluorocarbon resin layer.
    Type: Grant
    Filed: February 9, 2006
    Date of Patent: August 12, 2008
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Toyoaki Yasui, Yoshikazu Yamada, Katsuyasu Hananaka, Satoshi Hata, Yuzo Tsurusaki, Osamu Isumi
  • Publication number: 20070054126
    Abstract: The present invention provides parts of a rotation machine, which effectively prevent particulates, such as silica, iron oxide, and other particles, contained in a gas to adhere, in the rotating machines, which treat with the gases containing the particulates. An intermediated metal-plated film 11 and the plated film 12 containing the fluorocarbon polymer particles provided on the intermediate metal-plated film 11 are deposited on the surfaces of moving blades 23 used in a steam turbine. The plated film 12 containing the fluorocarbon polymer particles includes fluorocarbon polymer particles 13P made of any of Ni-based metals and a plated matrix 13M, and some of the fluorocarbon polymer particles 13P are exposed from the surfaces of the plated matrix 13M.
    Type: Application
    Filed: February 24, 2006
    Publication date: March 8, 2007
    Inventors: Toyoaki Yasui, Yoshikazu Yamada, Katsuyasu Hananaka, Satoshi Hata, Yuzo Tsurusaki, Osamu Isumi, Kazuhide Saito, Kenichi Nemoto, Yukiharu Suzuki
  • Publication number: 20060228541
    Abstract: A coating layer is provided on a surface of the moving blades of a rotary machine. The coating layer includes a spray layer that rests on the base material of the moving blades, and a fluorocarbon resin layer that rests on the spray layer. The spray layer is porous. The fluorocarbon resin layer is made of fluorocarbon resin. The fluorocarbon resin contains an inorganic substance that is exposed on the surface of the fluorocarbon resin.
    Type: Application
    Filed: February 9, 2006
    Publication date: October 12, 2006
    Inventors: Toyoaki Yasui, Yoshikazu Yamada, Katsuyasu Hananaka, Satoshi Hata, Yuzo Tsurusaki, Osamu Isumi
  • Patent number: 7033138
    Abstract: An object of the present invention is to provide a ring segment of a gas turbine in which the temperature is maintained low, damage due to high temperature oxidation is prevented, and high temperature deformation is prevented.
    Type: Grant
    Filed: September 6, 2002
    Date of Patent: April 25, 2006
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Yasuoki Tomita, Osamu Isumi, Shinichi Inoue, Friedrich Soechting, Vincent Laurello, Hiroshige Matsuoka
  • Publication number: 20040047725
    Abstract: An object of the present invention is to provide a ring segment of a gas turbine in which the temperature is maintained low, damage due to high temperature oxidization is prevented, and high temperature deformation is prevented.
    Type: Application
    Filed: September 6, 2002
    Publication date: March 11, 2004
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yasuoki Tomita, Osamu Isumi, Shinichi Inoue, Friedrich Soechting, Vincent Laurello, Hiroshige Matsuoka