Patent ID: 6668851
Filing Date: 2003-12-30
Classification: F02M,F04C,Y10T

Abstract:
A fuel pump assembly adapted to be connected between a fuel tank and a combustion chamber of a burner for pumping fuel from the fuel tank to the combustion chamber, the fuel pump assembly comprising:a local reservoir having an inlet for receiving fuel from the fuel tank; a pump adapted to pump fuel from the local reservoir; a fuel regulator adapted to regulate flow of fuel from the pump to the combustion chamber, the fuel regulator having a bypass conduit for recirculating fuel; a first return port adapted to connect the bypass conduit to the local reservoir; a second return port adapted to connect the bypass conduit to the fuel tank; and a plug mounted into and plugging one of the first and second return ports, the plug having an stem portion extending into a different one of the first and second return ports, the stem portion blocking mounting of a second plug into the a different one of the first and second return ports.