Patents by Inventor Tadayoshi Funakoshi

Tadayoshi Funakoshi 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).

  • Horizontally split casing of turbo machine
    Patent number: 4493611
    Abstract: A horizontally split casing of a turbo machine, such as a centrifugal compressor, including one half casing formed with scroll grooves on an inner peripheral surface thereof, and the other half casing formed with cutouts in portions thereof corresponding to outlet scrolls. A second casing formed on an inner peripheral surface thereof with scroll grooves is attached to the other half casing in a manner to enclose the cutouts. The horizontally split casing of this construction is low in cost and yet enables a compact size and a light weight to be obtained in a horizontally split casing of a turbo machine.
    Type: Grant
    Filed: October 20, 1982
    Date of Patent: January 15, 1985
    Assignee: Hitachi, Ltd.
    Inventors: Tadayoshi Funakoshi, Kazuo Takeda