Patents by Inventor Ryo Katoh

Ryo Katoh 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: 5183394
    Abstract: A swash plate type compressor which includes a pair of cylinder blocks. The cylinder blocks contains a crank case and a plurality of cylinders leading to a suction port. A pair of housing sections cover the cylinder blocks, and contain a suction chamber leading to each about the center of the cylinders, and a discharge chamber which is fluidly connected to the cylinders. The cylinder blocks rotatably support a drive shaft. The suction chamber contains a shaft sealing device in order to seal a forward section of the drive shaft. A refrigerant fluid within the crank case is sucked into the cylinders via the suction chamber. A refrigerant passage is provided along the central axis of the drive shaft. A plurality of inlet and outlet ports are connected to the refrigerant passage and to the crank case and suction chamber. The refrigerant passage, the outlet ports and the inlet ports form a refrigerant suction passage.
    Type: Grant
    Filed: May 8, 1992
    Date of Patent: February 2, 1993
    Assignee: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    Inventors: Toshiro Fujii, Hayato Ikeda, Ryo Katoh, Hitoshi Inukai