Patents by Inventor Shuji Fujisaki

Shuji Fujisaki 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).

  • Rolling piston type compressor
    Patent number: 4472122
    Abstract: The disclosed rolling piston type compressor comprises a needle bearing sandwiched between two bearing washers and serving as a thrust bearing for a rotary shaft and a resilient sealing ring of polytetrafluoroethylene press fitted into a space defined by the outer periphery of the needle bearing and the two bearing washers. Alternatively the sealing ring may be formed of cast iron and seal the space with an oil film disposed in a clearance between the ring and one of the bearing washers.
    Type: Grant
    Filed: April 12, 1982
    Date of Patent: September 18, 1984
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Kotaro Yoshida, Shuji Fujisaki, Toshihide Koda, Ken Asada, Susumu Kawaguchi
  • Multiple cylinder rotary compressor
    Patent number: 4452570
    Abstract: A multiple cylinder rotary compressor in which a capacity control is effected in response to a fluctuating load so that a saving of energy to be consumed is contemplated by detecting a rotational frequency of the driving shaft or a temperature of the car interior and the like, whereby a supply of a low-pressure refrigerating gas is ceased with respect to some cylinders in a plurality of the cylinders.
    Type: Grant
    Filed: June 18, 1982
    Date of Patent: June 5, 1984
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Shuji Fujisaki, Itsuo Chu
  • Multiple cylinder rotary compressor
    Patent number: 4452571
    Abstract: A multiple cylinder rotary compressor in which a capacity control is effected in response to a fluctuating load so that a saving of energy to be consumed is intended by means of such control that a supply of a low-pressure refrigerant gas is interrupted with respect to eigher compression element of at least two compression elements in the multiple cylinder rotary compressor etc.
    Type: Grant
    Filed: June 18, 1982
    Date of Patent: June 5, 1984
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Toshihide Koda, Shuji Fujisaki, Kotaro Yoshida, Susumu Kawaguchi, Ken Asada