Patents by Inventor Hironai Akashi

Hironai Akashi 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).

  • Hermetic-type compressor
    Publication number: 20060269428
    Abstract: A hermetic-type compressor according to the present invention has a viscous pump part by combining a spiral groove formed on the outer periphery of a main shaft with the inner periphery of a main shaft bearing, and at least one sliding section being in a sliding engagement with the main shaft bearing and at least one non-contact sliding-section having a predetermined gap with the main shaft bearing are formed on the face at the outer periphery of the main shaft opposing to the main shaft bearing where the lower end of the groove is located at the non-contact sliding-section.
    Type: Application
    Filed: October 12, 2004
    Publication date: November 30, 2006
    Inventors: Hironai Akashi, Kosuke Tsuboi