Patents by Inventor Seiji Oohama

Seiji Oohama 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).

  • Phase adjustment system for geared compressor, phase adjustment jig for geared compressor, and method for adjusting phase of geared compressor
    Patent number: 11598406
    Abstract: A phase adjustment system 100 for a geared compressor 1 includes a phase adjustment jig 50 that is to be detachably provided in the geared compressor 1. The geared compressor 1 includes a drive gear 4 fixed to a drive shaft and having a largest outer diameter among a plurality of gears; a driven gear having a smaller diameter than a diameter of the drive gear 4 and meshing with the drive gear 4; and a gear casing accommodating the drive gear 4 and the driven gear. The phase adjustment jig 50 includes a fifth jig gear 66 that meshes with the drive gear 4 in a state where a frame 51 is fixed to the gear casing; and a manually rotatable handle 70 that is configured to rotate the fifth jig gear 66.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: March 7, 2023
    Assignee: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    Inventor: Seiji Oohama
  • PHASE ADJUSTMENT SYSTEM FOR GEARED COMPRESSOR, PHASE ADJUSTMENT JIG FOR GEARED COMPRESSOR, AND METHOD FOR ADJUSTING PHASE OF GEARED COMPRESSOR
    Publication number: 20200271211
    Abstract: A phase adjustment system 100 for a geared compressor 1 includes a phase adjustment jig 50 that is to be detachably provided in the geared compressor 1. The geared compressor 1 includes a drive gear 4 fixed to a drive shaft and having a largest outer diameter among a plurality of gears; a driven gear having a smaller diameter than a diameter of the drive gear 4 and meshing with the drive gear 4; and a gear casing accommodating the drive gear 4 and the driven gear. The phase adjustment jig 50 includes a fifth jig gear 66 that meshes with the drive gear 4 in a state where a frame 51 is fixed to the gear casing; and a manually rotatable handle 70 that is configured to rotate the fifth jig gear 66.
    Type: Application
    Filed: February 14, 2020
    Publication date: August 27, 2020
    Applicant: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    Inventor: Seiji Oohama