Patents by Inventor Yisheng Cui

Yisheng Cui 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).

  • Internal Combustion Engine Cylinder Head with Tubular Apparatus for Intake and Exhaust
    Publication number: 20180320630
    Abstract: An apparatus for intake and exhaust of an engine includes: an outer tube including an outer-tube close end, an outer-tube open end, and a first outer-tube aperture set including a first aperture and a first outer-tube aperture group, an inner tube positioned in the outer tube about a concentric line, including an inner-tube close end, an inner-tube open end, and a first inner-tube aperture set including a second aperture and a first inner-tube aperture group, in which the inner-tube close end is proximate to the outer-tube close end, and a shaft connected to the inner-tube open end for rotating the inner tube in the outer tube about the concentric line, in which when the inner tube rotates, the second aperture sweeps across a portion of the first aperture and the first inner-tube aperture group sweeps across a portion of the first outer-tube aperture group.
    Type: Application
    Filed: March 9, 2018
    Publication date: November 8, 2018
    Inventors: Zhouxuan Xia, Yisheng Cui, Chunguang Xia