Patent ID: 7278399

Claim:
A fuel-injection system for an internal-combustion engine comprising: a fuel tank for storing fuel; fuel delivery means for drawing said fuel from said tank and delivering said fuel at high pressure; a plurality of injectors for injecting said fuel at high pressure into respective combustion chambers of said engine; a plurality of storage volumes hydraulically connected with said plurality of injectors and supplied by said fuel delivery means with said fuel at high pressure; a fluid line connecting said storage volume to said tank; and pressure-regulator means for regulating pressure in said storage volume disposed along said fluid line; wherein each said storage volume includes an inlet directly supplied by said fuel delivery means and an outlet directly converging into said fluid line to provide a common return of the fuel exiting each said outlet of said storage volumes; wherein said pressure-regulator means ( 19 ) are set fluidically downstream of said storage volume so as to enable a continuous flow of fuel through the plurality of storage volumes.