Patents by Inventor Itsuo Chu

Itsuo Chu 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).

  • 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