Patent ID: 9593650
Date: 2017-03-14
CPC Classifications: F02M

Claim:
1. A fuel supply device for supplying fuel stored in a fuel tank to an engine, a main frame attached to the fuel tank and supporting the engine, an upper frame of the main frame being disposed within a recessed portion of the fuel tank, the fuel supply device comprising: a fuel pump that supplies the fuel from the fuel tank to the engine; and a filter that is disposed upstream from the fuel pump in a fuel supply channel; wherein the filter includes a first filter portion that filters the fuel, and a second filter portion that filters the fuel; wherein the second filter portion is disposed above both of the first filter portion and the recessed portion when the filter is disposed inside the fuel tank; and wherein a density of gaps in the second filter portion is larger than a density of gaps in the first filter portion so that the gaps in the second filter portion have a size at which vapor from the fuel pump is discharged through the gaps of the second filter portion.