Patents by Inventor Shinji NAKAHATA

Shinji NAKAHATA 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).

  • Indoor unit of air-conditioner
    Patent number: 11408618
    Abstract: Provided is an indoor unit of an air-conditioner including: an indoor unit body configured to be provided in a ceiling; a suction port attached to a lower surface of the indoor unit body; a panel including a blow port for blowing conditioned air into a room; and a louver provided at the blow port of the panel to change an air sending direction. The panel includes an outer frame provided outside the blow port and provided with a substantially horizontal flat portion, and a protruding portion provided on the flat portion of the outer frame and protruding vertically downward. A lower end of the protruding portion is positioned vertically above a lower end of the louver. A lower end of an inner flow path wall surface forming a flow path wall surface inside the blow port is positioned vertically below the lower end of the louver.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: August 9, 2022
    Assignee: HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
    Inventors: Taku Iwase, Tomohiko Sato, Yoko Sato, Kunihito Kawamura, Koutarou Nomura, Naoyuki Fushimi, Shinji Nakahata
  • INDOOR UNIT OF AIR-CONDITIONER
    Publication number: 20200063983
    Abstract: Provided is an indoor unit of an air-conditioner including: an indoor unit body configured to be provided in a ceiling; a suction port attached to a lower surface of the indoor unit body; a panel including a blow port for blowing conditioned air into a room; and a louver provided at the blow port of the panel to change an air sending direction. The panel includes an outer frame provided outside the blow port and provided with a substantially horizontal flat portion, and a protruding portion provided on the flat portion of the outer frame and protruding vertically downward. A lower end of the protruding portion is positioned vertically above a lower end of the louver. A lower end of an inner flow path wall surface forming a flow path wall surface inside the blow port is positioned vertically below the lower end of the louver.
    Type: Application
    Filed: May 29, 2019
    Publication date: February 27, 2020
    Inventors: Taku IWASE, Tomohiko SATO, Yoko SATO, Kunihito KAWAMURA, Koutarou NOMURA, Naoyuki FUSHIMI, Shinji NAKAHATA