Patent ID: 7921826

Claim:
A fuel supply system of an engine provided with a pressure control means controlling a fuel pressure of an accumulator, on a plurality of pressurized fuel pathways delivering the fuel from a feed pump via a supply pump having a plurality of plungers into the accumulator, wherein, the pressure control means is not provided on at least one pressurized fuel pathway and the pressure control means is provided on the other pressurized fuel pathways, of the plurality of pressurized fuel pathways delivering the pressurized fuels from the feed pump via the plurality of plungers into the accumulator, wherein the pressurized fuel pathway without the pressure control means is interposed on the intake side pathway to the pressurizing chamber of the plunger with a check valve, and a bypass pathway, which bypasses the check valve, is provided between the pressurizing chamber of the plunger and the discharge side of the feed pump.