Patents by Inventor Frediano V. Bracco

Frediano V. Bracco 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).

  • Rotary engine with dual spark plugs and fuel injectors
    Patent number: 5022366
    Abstract: A stratified charge rotary combustion engine includes a main fuel injector, a pair of spark plugs and a piot fuel injector. The first spark plug is located upstream of the pilot fuel injector. The second spark plug is located upstream of the main fuel injector and is located upstream of the center of the top-dead-center region of the housing.
    Type: Grant
    Filed: September 18, 1989
    Date of Patent: June 11, 1991
    Assignee: John Deere Technologies International, Inc.
    Inventors: John Abraham, Frediano V. Bracco