A FUEL SUPPLY ARRANGEMENT FOR AN INTERNAL COMBUSTION ENGINE AND A METHOD OF FILTERING FUEL IN A FUEL SUPPLY ARRANGEMENT OF AN INTERNAL COMBUSTION ENGINE

摘要

Invention relates to a fuel supply arrangement (10) for an internal combustion engine (100) comprising a fuel convey line (12) extending from a fuel source (14) to the engine (100), which fuel convey line (12) comprising a first pump (16) for pumping the fuel from the fuel source (14) into a first fuel path (18) and feeding the fuel from the first fuel path (18) to a second fuel path (20), the first fuel path (18) is provided with a first filtration section (30), the second fuel path (20) is provided with a second pump (22) for pressurising filtered fuel to a predetermined pressure. The first fuel path (18) is provided with a return line (24) leading back to the fuel source (14) downstream from the first filtration section (30) so that the first fuel path (18) forms a circulation path (40) via the first filtration section (30), and that the second fuel path (20) is arranged to deliver the fuel from the first fuel path (18) to the engine (100) and that the second fuel path (20) is provided with a second filtration section (50). The invention relates also to a method of filtering fuel in a fuel supply arrangement (10) of an internal combustion engine (100).