Patents by Inventor Jeff Vranak

Jeff Vranak 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).

  • Fuel demand regulator
    Patent number: 6443130
    Abstract: A fuel regulator is provided for regulating the supply of fuel to a multi-cylinder engine. The regulator includes a regulator body defining a holding chamber connectable to a fuel source; a first supply chamber connectable to a first cylinder of the multi-cylinder engine; and a second supply chamber connectable to a second cylinder of the multi-cylinder engine. Orifices are provided between the supply chambers and the holding chamber. A first regulating structure is movable between a closed position wherein the orifice between the holding chamber and the first supply chamber is closed and an open position wherein the orifice between the holding chamber and the supply chamber is open in response to the fuel demanded by the first cylinder of the multi-cylinder engine.
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: September 3, 2002
    Assignee: Generac Power Systems, Inc.
    Inventors: Chris Turner, Robert D. Kern, Gerald C. Ruehlow, Jeff Vranak, Dawei Chen
  • Fuel demand regulator
    Publication number: 20020078927
    Abstract: A fuel regulator is provided for regulating the supply of fuel to a multi-cylinder engine. The regulator includes a regulator body defining a holding chamber connectable to a fuel source; a first supply chamber connectable to a first cylinder of the multi-cylinder engine; and a second supply chamber connectable to a second cylinder of the multi-cylinder engine. Orifices are provided between the supply chambers and the holding chamber. A first regulating structure is movable between a closed position wherein the orifice between the holding chamber and the first supply chamber is closed and an open position wherein the orifice between the holding chamber and the supply chamber is open in response to the fuel demanded by the first cylinder of the multi-cylinder engine.
    Type: Application
    Filed: December 27, 2000
    Publication date: June 27, 2002
    Inventors: Chris Turner, Robert D. Kern, Gerald C. Ruehlow, Jeff Vranak, Dawei Chen