Fuel supply device and saddle type vehicle

摘要

A fuel supply device is provided with a fuel pump and a filter. The fuel pump supplies fuel from a fuel tank to an engine. The filter is disposed upstream from the fuel pump in a fuel supply channel. The filter includes a first filter portion and a second filter portion. The first filter portion and the second filter portion filter the fuel. The second filter portion is disposed above the first filter portion when the filter is disposed inside the fuel tank. A density of gaps in the second filter portion is larger than a density of gaps in the first filter portion.

主权项

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.