Fuel injection system

Claim 1

A fuel injection system for an internal combustion engine having a group of longitudinally spaced combustion chambers, each of said combustion chambers having air and fuel inlet means, said engine further having an intake manifold including air induction passage means extending to said air inlet means for said combustion chambers, said fuel injection system comprising: an air inlet body having an air inlet passage adapted for mounting on said intake manifold with said air inlet passage in registration with said air induction passage means whereby air flow to said combustion chambers will flow through said air inlet passage, said air induction passage means, and said air inlet means, said air inlet body including means for metering aiR flow through said air inlet passage to said combustion chambers, a longitudinally extending fuel rail defining a fuel passage having a plurality of fuel outlets adapted for mounting on said engine with the fuel outlets thereof in registration with said fuel inlet means for said combustion chambers, said fuel rail having recesses therein associated with said fuel outlets and means received in said recesses and controlled by said air flow metering means for metering fuel flow through said fuel outlets to said combustion chambers, and a bracket securing said fuel rail to said air inlet body whereby said air and fuel metering means may be tested and shipped as a single unit.