Patents by Inventor Felix J. Pascual

Felix J. Pascual 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).

  • Method and apparatus for utilizing ethanol of any purity as a fuel in 4-stroke internal combustion engines
    Patent number: 4419967
    Abstract: A method and apparatus for thoroughly mixing ethanol and air in the right proportion for efficient combustion in the engine consisting the active steps of aspirating the air by means of the vacuum pressure developed by the piston displacement of the engine in the intake stroke; bubbling said air into the liquid ethanol thereby evaporating said ethanol; mixing them in a homogeneous air-fuel flammable mixture; and introducing the mixture into the engine's intake manifold.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: December 13, 1983
    Assignee: Alfredo C. Protacio
    Inventors: Alfredo C. Protacio, Ramon V. Navarro, Eliseo M. Rio, Jr., Antonio D. Alonte, Felix J. Pascual
  • Device for introducing alcohol into gasoline engine as supplemental fuel
    Patent number: 4374507
    Abstract: A vapor generating device for volatile liquid such as alochol and the like, that can be attached to the carburation system of existing internal combustion engines in order to effectively facilitate the introduction of alcohol vapor inside the combustion chamber of the engine together with the atomized gasoline.
    Type: Grant
    Filed: June 12, 1980
    Date of Patent: February 22, 1983
    Assignee: Alfredo C. Protacio
    Inventors: Alfredo C. Protacio, Ramon V. Navarro, Eliseo M. Rio, Jr., Antonio D. Alonte, Felix J. Pascual