Patent ID: 6601564
Filing Date: 2003-08-05
Classification: F02M

Abstract:
A flexible fuel rail system, for delivery of fuel to the fuel injectors of an internal combustion engine, wherein the internal combustion engine has at least two banks of cylinders, the flexible fuel rail system comprising:at least two longitudinal fuel rails, each longitudinal fuel rail having an uninterrupted interior volume and being operably configured for delivery of fuel to the injectors for the cylinders of one bank of an internal combustion engine having at least two banks of cylinders, each fuel rail having a closed end and an open end; at least one crossover section, connecting the open ends of the at least two longitudinal fuel rails in fluid communication with one another; at least one region of enhanced flexibility, disposed at least in a transition region connecting at least one of the open ends with the at least one crossover section; the at least two longitudinal rails, the at least one crossover section and the at least one region of enhanced flexibility all being fabricated from metal material.