Device for supplying fuel to engine

A device for supplying fuel to an engine, the fuel supply device comprising:

• a fuel tank;
• a fuel supply route for supplying to the engine fuel that has been collected in the tank;
• a filter provided to the fuel supply route;
• a first fuel pump provided downstream of the filter in a fuel supply direction on the fuel supply route;
• a merge and discharge unit for merging and discharging fuel, the merge and discharge unit being provided to a site between the fuel tank and the filter on the fuel supply route;
• a first fuel return route for returning the fuel of the engine to the merge and discharge unit;
• and
• a second fuel return route for returning to the fuel tank the fuel discharged from the merge and discharge unit;
• wherein:
• the merge and discharge unit has:
• a reservoir unit in which fuel can be collected;
• a first merge unit for merging into the reservoir unit the fuel from a site upstream of the merge and discharge unit on the fuel supply route;
• a second merge unit for merging into the reservoir unit the fuel from the first fuel return route;
• a first discharge unit for discharging a portion of the fuel in the reservoir unit to a site downstream of the merge and discharge unit on the fuel supply route;
• and a second discharge unit for discharging a remaining portion of the fuel in the reservoir unit into the second fuel return route, and
• a moisture removal unit for removing moisture included in the fuel, a second fuel pump, the merge and discharge unit, a cooling unit for cooling the fuel, a third fuel pump, the filter, and the first fuel pump are provided to the fuel supply route in the stated order from the upstream side in the fuel supply direction.