Patents by Inventor Yuuya SAWADA

Yuuya SAWADA 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).

  • Rotary compressor with backflow suppresion mechanism for an introduction path
    Patent number: 11906060
    Abstract: A rotary compressor includes a drive mechanism, a compression mechanism, an introduction path to introduce a fluid into a compression chamber of the compression mechanism, and a backflow suppression mechanism. At least one of a first surface and a second surface of a valve body includes an annular first non-contact region that is formed in a predetermined range extending radially inward from an outer edge of the valve body and that does not come into contact with a corresponding valve seat, an annular second non-contact region that is formed in a predetermined range extending radially outward from the hole of the valve body and that does not come into contact with a corresponding valve seat, and a contact region that is formed between the first non-contact region and the second non-contact region and that comes into contact with a corresponding valve seat.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: February 20, 2024
    Assignee: Daikin Industries, Ltd.
    Inventors: Yukihiro Inada, Daiki Kikutake, Yuuya Sunahara, Yuuya Sawada, Chihiro Endou
  • ROTARY COMPRESSOR
    Publication number: 20220178372
    Abstract: A rotary compressor includes a drive mechanism, a compression mechanism, an introduction path to introduce a fluid into a compression chamber of the compression mechanism, and a backflow suppression mechanism. At least one of a first surface and a second surface of a valve body includes an annular first non-contact region that is formed in a predetermined range extending radially inward from an outer edge of the valve body and that does not come into contact with a corresponding valve seat, an annular second non-contact region that is formed in a predetermined range extending radially outward from the hole of the valve body and that does not come into contact with a corresponding valve seat, and a contact region that is formed between the first non-contact region and the second non-contact region and that comes into contact with a corresponding valve seat.
    Type: Application
    Filed: February 28, 2022
    Publication date: June 9, 2022
    Inventors: Yukihiro INADA, Daiki KIKUTAKE, Yuuya SUNAHARA, Yuuya SAWADA, Chihiro ENDOU