Patents by Inventor Elton Barroso

Elton Barroso 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).

  • Automatic free-wheeling hub assembly
    Patent number: 5085304
    Abstract: A diaphragm control is disclosed for a free-wheeling hub assembly that selectively engages a four-wheel drive. A venting arrangement is disclosed for the diaphragm chamber of the free-wheeling hub assembly. The venting arrangement extends through the body of the free-wheeling hub assembly to a space within the engine compartment of the vehicle thus ensuring that the vent will not become clogged thus preventing the venting of the diaphragm chamber. Venting of the diaphragm chamber is important in predicting the pressure within the diaphragm chamber and thus the engagement of the free-wheeling hub assembly.
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: February 4, 1992
    Assignee: AVM Auto-Equipamentos, Ltda.
    Inventor: Elton Barroso