Patents by Inventor Ryou KARINO

Ryou KARINO 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).

  • Air-conditioner outdoor heat exchanger and air-conditioner including the same
    Patent number: 11274838
    Abstract: An air-conditioner outdoor heat exchanger has a fin, multiple heat transfer pipes thermally connected to the fin, having a flat sectional shape, and configured such that refrigerant flows through header pipes connected to inlet and outlet sides of the heat transfer pipes. The refrigerant flows through the heat transfer pipes in parallel, and when the refrigerant returns from the outlet-side header pipe to the inlet-side header pipe through the heat transfer pipes, the refrigerant returns to the inlet-side header pipe through one of the heat transfer pipes adjacent to another one of the heat transfer pipes through which the refrigerant has flowed when flowing from the inlet-side header pipe to the outlet-side header pipe. At least two systems of refrigerant paths are formed, and the refrigerant flows back and forth in each system between the inlet-side header pipe and the outlet-side header pipe.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: March 15, 2022
    Assignee: HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
    Inventors: Takumi Hirata, Ryoichi Takafuji, Mamoru Houfuku, Naoki Yamamoto, Ryou Karino
  • AIR-CONDITIONER OUTDOOR HEAT EXCHANGER AND AIR-CONDITIONER INCLUDING THE SAME
    Publication number: 20200072478
    Abstract: An air-conditioner outdoor heat exchanger has a fin, multiple heat transfer pipes thermally connected to the fin, having a flat sectional shape, and configured such that refrigerant flows through header pipes connected to inlet and outlet sides of the heat transfer pipes. The refrigerant flows through the heat transfer pipes in parallel, and when the refrigerant returns from the outlet-side header pipe to the inlet-side header pipe through the heat transfer pipes, the refrigerant returns to the inlet-side header pipe through one of the heat transfer pipes adjacent to another one of the heat transfer pipes through which the refrigerant has flowed when flowing from the inlet-side header pipe to the outlet-side header pipe. At least two systems of refrigerant paths are formed, and the refrigerant flows back and forth in each system between the inlet-side header pipe and the outlet-side header pipe.
    Type: Application
    Filed: November 5, 2019
    Publication date: March 5, 2020
    Inventors: Takumi HIRATA, Ryoichi TAKAFUJI, Mamoru HOUFUKU, Naoki YAMAMOTO, Ryou KARINO