Patent ID: 6481411
Filing Date: 2002-11-19
Classification: F02B,F02M

Abstract:
An engine comprising a plurality of cylinders with corresponding combustion chambers, an induction system and a fuel supply system that are in fluid communication with the combustion chambers, the induction system comprising a plenum chamber, a plurality of intake conduits that correspond to the combustion chambers, each intake conduit being in fluid communication with the plenum chamber and with the corresponding combustion chamber, at least one throttle device arranged to regulate air flow into at least one of the combustion chambers, a bypass passage defining an auxiliary flow path in the induction system around the throttle device, a flow control member disposed in the bypass passage, the fuel supply system comprising a fuel supply, a supply conduit connecting the fuel supply to a vapor separation tank, at least one pump being positioned along the supply conduit, a plurality of fuel injectors being in fluid communication with the vapor separation tank, and a vent passage extending between the vapor separation tank and a portion of the bypass passage positioned upstream of the flow control member.