To provide a fuel supply device provided with a port injection injector and a cylinder injection injector capable of improving hot startability of an internal combustion engine.
The fuel supply device 10 for the internal combustion engine 1 is provided with the port injection injector 4p injecting fuel in an intake port, the cylinder injection injector 4c directly injecting fuel into a combustion chamber 2, a port injection delivery pipe 14p capable of supplying fuel from a fuel tank 11 with a fuel pump 12 and having the port injection injector 4p connected, and a cylinder injection delivery pipe 14c having the cylinder injection injector 4c connected. The port injection delivery pipe 14p is connected to the fuel pump 12 via a fuel supply pipe L1, the port injection delivery pipe 14p and the cylinder injection delivery pipe 14c are connected in series via a communication pipe L2 including a high pressure pump 15.
TAKAOKA TOSHIBUMI
Kazuo Abe