Patents by Inventor Schoichiro Hara

Schoichiro Hara 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).

  • Patent number: 5228196
    Abstract: A scroll type compressor includes a fixed scroll and an orbiting scroll which have their base plates provided with scroll wraps, and which have the scroll wraps combined to form a compression chamber therebetween, a frame which has the orbiting scroll put thereon so as to allow the orbiting scroll to carry out orbiting movement, which has a peripheral portion formed with a flange, which has the fixed scroll fixed on the flange, which has a bearing at a central portion, and which has an outer peripheral surface formed with a stepped portion; a crankshaft which is rotatably supported at its upper portion by the frame bearing to give orbiting movement to the orbiting scroll connected to the upper end of the crankshaft, and which supports an electric motor rotor at a central portion; a subframe which has a central portion formed with a bearing for rotatably supporting the crankshaft at its lower end; a center shell which has an upper inner peripheral surface formed with a stepped portion engageable with the stepp
    Type: Grant
    Filed: October 5, 1992
    Date of Patent: July 20, 1993
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Schoichiro Hara, Motokazu Ukioka