Patents by Inventor Hidenori NAGAHAMA

Hidenori NAGAHAMA 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).

  • Journal bearing
    Patent number: 10274010
    Abstract: A journal bearing, in which a lower half carrier ring is disposed on the outer peripheral side of a horizontally installed rotating shaft, and an upstream side pad and a downstream side pad are disposed on the inner side of the lower half carrier ring, includes an upstream side oil supply portion and downstream side oil supply portion which supply lubricant oil to the upstream side pad and downstream side pad, the bearing being characterized in that the supply quantity of lubricant oil supplied from downstream side oil supply nozzles of the downstream side oil supply portion is adjusted so as to be less than the supply quantity of lubricant oil supplied from upstream side oil supply nozzles of the upstream side oil supply portion.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: April 30, 2019
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Koji Kawashima, Shingo Kingetsu, Taishi Hamasaki, Hidenori Nagahama
  • JOURNAL BEARING
    Publication number: 20170284465
    Abstract: A journal bearing, in which a lower half carrier ring is disposed on the outer peripheral side of a horizontally installed rotating shaft, and an upstream side pad and a downstream side pad are disposed on the inner side of the lower half carrier ring, includes an upstream side oil supply portion and downstream side oil supply portion which supply lubricant oil to the upstream side pad and downstream side pad, the bearing being characterized in that the supply quantity of lubricant oil supplied from downstream side oil supply nozzles of the downstream side oil supply portion is adjusted so as to be less than the supply quantity of lubricant oil supplied from upstream side oil supply nozzles of the upstream side oil supply portion.
    Type: Application
    Filed: December 1, 2014
    Publication date: October 5, 2017
    Applicant: Mitsubishi Electric Corporation
    Inventors: Koji KAWASHIMA, Shingo KINGETSU, Taishi HAMASAKI, Hidenori NAGAHAMA