Patents by Inventor Yuji Matsunami

Yuji Matsunami 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).

  • Method of repairing bearing of wind turbine generator
    Patent number: 8341840
    Abstract: A method of repairing a bearing of a wind turbine generator is provided which is able to more permanently repair a gap which occurred between a constituent member of the wind turbine generator and a bearing ring of the bearing. For example, in the case of repairing the gap 13 between the main shaft outer cylinder 10 of the wind turbine generator 1 and the outer ring 12A of the main bearing 12, the plate 40 is inserted between the main shaft outer cylinder 10 and the outer ring 12A, and also the plate 40 is fixed to an inner circumferential surface of the main shaft outer cylinder 10 by the adhesive agent 41. On the other hand, slip is permitted between the plate 40 and the outer ring 12A of the main bearing 12.
    Type: Grant
    Filed: February 10, 2010
    Date of Patent: January 1, 2013
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Keiichirou Kawano, Kaoru Iwasaki, Yuji Matsunami, Shiro Takada, Yukio Akizuki, Hiroaki Takeuchi
  • METHOD OF REPAIRING BEARING OF WIND TURBINE GENERATOR
    Publication number: 20120055024
    Abstract: A method of repairing a bearing of a wind turbine generator is provided which is able to more permanently repair a gap which occurred between a constituent member of the wind turbine generator and a bearing ring of the bearing. For example, in the case of repairing the gap 13 between the main shaft outer cylinder 10 of the wind turbine generator 1 and the outer ring 12A of the main bearing 12, the plate 40 is inserted between the main shaft outer cylinder 10 and the outer ring 12A, and also the plate 40 is fixed to an inner circumferential surface of the main shaft outer cylinder 10 by the adhesive agent 41. On the other hand, slip is permitted between the plate 40 and the outer ring 12A of the main bearing 12.
    Type: Application
    Filed: February 10, 2010
    Publication date: March 8, 2012
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Keiichirou Kawano, Kaoru Iwasaki, Yuji Matsunami, Shiro Takada, Yukio Akizuki, Hiroaki Takeuchi