HIGH-PRESSURE FUEL SUPPLYING DEVICE OF INTERNAL COMBUSTION ENGINE

摘要

PROBLEM TO BE SOLVED: To provide a high-pressure fuel supplying device of an internal combustion engine, capable of securing good restartability in the high temperature of an engine. SOLUTION: Fuel in a fuel tank 20 is supplied from a feed pump 32 to a fuel gallery 62 of a high-pressure pump 40 through a low-pressure fuel passage 70. A storage chamber 13 is formed by vertically up enlarging the sectional area of a part positioned near the fuel gallery 62 in the low-pressure fuel passage 10, and it is arranged in the position higher than the upper end of the fuel gallery 62 in the vertical direction. A communication passage 74 for constituting a part of the low-pressure fuel passage 70 has one end connected to the upper end of the fuel gallery 62 and the other end diagonally up extending from the upper end and connected to the storage chamber 73.