Patents by Inventor Ratchawat Samdaeng

Ratchawat Samdaeng 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).

  • Exhaust structure of internal combustion engine
    Patent number: 11486293
    Abstract: An exhaust structure of an internal combustion engine having an exhaust passage communicating between an exhaust port and an exhaust pipe. The exhaust structure includes a heat insulating component covering an inner wall of the exhaust port, the heat insulating component includes a first abutting portion disposed at a first side of the heat insulating component at a combustion chamber side and abutting an inner wall of the exhaust port, a second abutting portion disposed at a second side of the heat insulating component at an exhaust pipe side and abutting the inner wall, and a middle section disposed between the first side and the second side. A gap is formed between the middle section and the inner wall, and a bent portion connecting the middle section and the first abutting portion is bending toward the inner wall of the exhaust port from the middle section.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: November 1, 2022
    Assignee: Honda Motor Co., Ltd.
    Inventors: Ratchawat Samdaeng, Thachakorn Weerapanyakulthavee, Sahachai Lerdpakavanich
  • EXHAUST STRUCTURE OF INTERNAL COMBUSTION ENGINE
    Publication number: 20220065155
    Abstract: An exhaust structure of an internal combustion engine having an exhaust passage communicating between an exhaust port and an exhaust pipe. The exhaust structure includes a heat insulating component covering an inner wall of the exhaust port, the heat insulating component includes a first abutting portion disposed at a first side of the heat insulating component at a combustion chamber side and abutting an inner wall of the exhaust port, a second abutting portion disposed at a second side of the heat insulating component at an exhaust pipe side and abutting the inner wall, and a middle section disposed between the first side and the second side. A gap is formed between the middle section and the inner wall, and a bent portion connecting the middle section and the first abutting portion is bending toward the inner wall of the exhaust port from the middle section.
    Type: Application
    Filed: August 28, 2020
    Publication date: March 3, 2022
    Applicant: Honda Motor Co.,Ltd.
    Inventors: Ratchawat Samdaeng, Thachakorn WEERAPANYAKULTHAVEE, Sahachai LERDPAKAVANICH