Patents by Inventor Hiroshi Narumiya

Hiroshi Narumiya 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).

  • Scroll type machine with tilting thrust bearing
    Patent number: 4674963
    Abstract: A scroll type hydraulic machine having an improved thrust bearing structure, whereby the thrust bearing is capable of tilting radially and peripherally. The thrust bearing is preferably composed of at least three sectors, and an anti-rotation member is provided between adjacent ones of the sectors. A bearing support is provided, a portion of which has the form of a ball. The thrust bearing is surrounded by an annular portion whose height is substantially the same as that of the thrust bearing.
    Type: Grant
    Filed: May 29, 1985
    Date of Patent: June 23, 1987
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Etsuo Morishita, Hiroshi Narumiya, Masayuki Kakuda, Masahiro Sugihara