Patents by Inventor Shuhei SEKINAGA

Shuhei SEKINAGA 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).

  • Variable displacement swash plate compressor
    Patent number: 11199184
    Abstract: A variable displacement swash plate compressor includes a displacement control valve that is configured to change crank chamber pressure, and an opening adjusting valve that adjusts an amount of refrigerant sucked into a suction chamber. The opening adjusting valve includes a valve case, a first valve element, a second valve element, and an urging spring. The valve case has a valve seat on which the second valve element is seated. The valve seat regulates movement of the second valve element toward the first valve element. A sealing member is provided between an inner peripheral surface of the valve case that defines a second valve chamber and an outer peripheral surface of the second valve element to prevent refrigerant in the second valve chamber so that leakage between a bleed passage and a control passage is prevented.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: December 14, 2021
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Kenji Yamamoto, Noriaki Satake, Shinichi Kakegawa, Shuhei Sekinaga, Shiro Hayashi, Akinobu Kanai
  • VARIABLE DISPLACEMENT SWASH PLATE COMPRESSOR
    Publication number: 20200309106
    Abstract: A variable displacement swash plate compressor includes a displacement control valve that is configured to change crank chamber pressure, and an opening adjusting valve that adjusts an amount of refrigerant sucked into a suction chamber. The opening adjusting valve includes a valve case, a first valve element, a second valve element, and an urging spring. The valve case has a valve seat on which the second valve element is seated. The valve seat regulates movement of the second valve element toward the first valve element. A sealing member is provided between an inner peripheral surface of the valve case that defines a second valve chamber and an outer peripheral surface of the second valve element to prevent refrigerant in the second valve chamber so that leakage between a bleed passage and a control passage is prevented.
    Type: Application
    Filed: March 20, 2020
    Publication date: October 1, 2020
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Kenji YAMAMOTO, Noriaki SATAKE, Shinichi KAKEGAWA, Shuhei SEKINAGA, Shiro HAYASHI, Akinobu KANAI