Patents by Inventor Yukio IWAZUME

Yukio IWAZUME 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).

  • Blowby gas treatment device, intake manifold and internal combustion engine
    Patent number: 9920720
    Abstract: A blowby gas treatment device is configured to discharge blowby gas inside an internal combustion engine to an intake passage inside an intake manifold. The blowby gas treatment device includes a blowby gas passage, a flow control valve, a communication hole, and a lid. The blowby gas passage includes an engine gas passage and an intake manifold gas passage. The communication hole is provided in the intake manifold. The communication hole is configured to connect outside of the intake manifold and a part of the intake manifold gas passage on a downstream side of the flow control valve in a gas flow direction. The communication hole opens the intake manifold gas passage to the atmosphere. A lid is configured to open and close the communication hole.
    Type: Grant
    Filed: February 10, 2016
    Date of Patent: March 20, 2018
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Yukio Iwazume, Hideto Yano
  • BLOWBY GAS TREATMENT DEVICE, INTAKE MANIFOLD AND INTERNAL COMBUSTION ENGINE
    Publication number: 20160237962
    Abstract: A blowby gas treatment device is configured to discharge blowby gas inside an internal combustion engine to an intake passage inside an intake manifold. The blowby gas treatment device includes a blowby gas passage, a flow control valve, a communication hole, and a lid. The blowby gas passage includes an engine gas passage and an intake manifold gas passage. The communication hole is provided in the intake manifold. The communication hole is configured to connect outside of the intake manifold and a part of the intake manifold gas passage on a downstream side of the flow control valve in a gas flow direction. The communication hole opens the intake manifold gas passage to the atmosphere. A lid is configured to open and close the communication hole.
    Type: Application
    Filed: February 10, 2016
    Publication date: August 18, 2016
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Yukio IWAZUME, Hideto Yano