Patents by Inventor Ariel P. Contreras Orellana

Ariel P. Contreras Orellana 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).

  • I.C. engines
    Patent number: 5197434
    Abstract: A four-stroke internal combustion engine for the otto and diesel cycle, characterized by incorporating a valve distribution for engines that use one or more ports near Bottom Dead Center. The four-stroke internal combustion engine comprises one or more cylinders each with a piston movable therein to define a combustion chamber and a port provided in a wall of each cylinder. The port is openable independently of an inlet valve and an exhaust valve to provide an additional route for the discharge of air or fuel/air mixture.
    Type: Grant
    Filed: September 4, 1990
    Date of Patent: March 30, 1993
    Assignee: Jaime Suquet
    Inventor: Ariel P. Contreras Orellana