Patents by Inventor Shuji Goto

Shuji Goto 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).

  • Patent number: 4395993
    Abstract: A fuel mixture heating device of an internal combustion engine having a downdraft type carburetor mounted on the collecting portion of the intake manifold. A hollow cylindrical heater vessel is arranged at the lower end of the air horn of the carburetor. The heater vessel comprises an inner pipe, an outer pipe and a PTC elements inserted between the inner pipe and the outer pipe for heating the inner pipe before the completion of warm-up of the engine. The inner pipe, having an inner diameter which is almost the same as that of the air horn, is arranged to be aligned with the air horn.
    Type: Grant
    Filed: October 17, 1980
    Date of Patent: August 2, 1983
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Masaru Tanaka, Kazuyoshi Tasaka, Shuji Goto
  • Patent number: 4395994
    Abstract: A fuel mixture heating device of an internal combustion engine having a downdraft type carburetor mounted on the collecting portion of the intake manifold. A hollow cylindrical heater vessel is arranged at the lower end of the air horn of the carburetor. The heater vessel comprises an inner pipe, an outer pipe and PTC elements inserted between the inner pipe and the outer pipe for heating the inner pipe before the completion of warm-up of the engine. The inner pipe, having an inner diameter which is almost the same as that of the air horn, is arranged to be aligned with the air horn. The outer pipe is made of a heat insulating material.
    Type: Grant
    Filed: October 23, 1980
    Date of Patent: August 2, 1983
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Shuji Goto, Kazuyoshi Tasaka, Masaru Tanaka
  • Patent number: 4366798
    Abstract: A fuel mixture heating device of an internal combustion engine having a downdraft type carburetor mounted on the collecting portion of the intake manifold. A hollow cylindrical heater vessel is arranged at the lower end of the air horn of the carburetor. The heater vessel comprises an inner pipe, an outer pipe and PTC elements inserted between the inner pipe and the outer pipe for heating the inner pipe before the completion of warm-up of the engine. The inner pipe has a thin wall having a corrugated cross-section. The inner wall of the PTC elements are in contact with the outer wall of the inner pipe. An air gap is present between the outer pipe and the outer walls of the PTC elements. A plurality of plate springs is inserted between the outer pipe and the corresponding PTC elements.
    Type: Grant
    Filed: October 23, 1980
    Date of Patent: January 4, 1983
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Shuji Goto, Kazuyoshi Tasaka, Masaru Tanaka