Patents by Inventor Morio Hanada

Morio Hanada 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).

  • Compressor and method of assembling thereof
    Patent number: 4815947
    Abstract: A compressor comprises a casing having an aperture, a compressor unit provided in the casing, and an electric motor for driving the compressor unit, the electric motor being provided in the casing together with the compressor unit. An iron joint is mounted to the aperture of the casing and is formed with an electrically conductive metal coating having a corrosion resistance greater than that of iron on the surface thereof. The iron joint is comprised of a cylindrical portion and a conical outer surface portion welded to the edge of the aperture by resistance welding. A pipe for sucking or discharging gas to or from the casing is brazed into the cylindrical portion of the iron joint with a copper brazing material.
    Type: Grant
    Filed: November 13, 1986
    Date of Patent: March 28, 1989
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kaoru Okoma, Eiichiro Fujii, Morio Hanada