Patents by Inventor Urabe Suehiro

Urabe Suehiro 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).

  • Intake apparatus for V-type 8-cyl internal combustion engine
    Patent number: 5010854
    Abstract: To facilitate the die casting, equalize the intake pipe lengths, and reduce thermal distortion of a rather complicated intake apparatus for a V-shape 8-cylinder engine which can prevent intake interference between intake strokes of two successively operating cylinders, the intake apparatus is divided into right and left collectors (4, 5) formed with two upper bent blanch pipes (P3U, P5U, P4U, P6U), respectively; front and rear X-shaped pipe members (7, 8) formed with two crossing intake pipes (P1, P2, P7, P8), respectively; and a middle lower manifold (6) formed with four lower bent branch pipes (P3L, P5L, P4L, P6L) connected to the four upper bent blanch pipes, respectively.
    Type: Grant
    Filed: July 12, 1990
    Date of Patent: April 30, 1991
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Urabe Suehiro, Honma Masayuki, Kamibeppu Tohru