Fuel system of a handheld work apparatus

A fuel system for a portable handheld work apparatus driven by an internal combustion engine, the fuel system comprising:

• a fuel tank for holding fuel for operating said engine;
• a fuel pump for pumping fuel from said fuel tank;
• a fuel line leading from said fuel tank to said fuel pump and having an end at said fuel tank;
• a first suction head mounted on said end of said fuel line;
• a second suction head disposed in said fuel tank and connected into said fuel line in series ahead of said first suction head;
• said second suction head having a porous covering defining an outer suction surface;
• said porous covering having an inner surface delimiting a suction space within said second suction head for accommodating a fuel flow passing therethrough;
• and,
• guide means mounted in said suction space for at least approximately guiding said fuel flow along said inner surface of said porous covering.