Patent ID: 9683533
Date: 2017-06-20
CPC Classifications: F02M

Claim:
1. A fuel injector rail assembly for direct injection of fuel, said rail assembly comprising an elongate fuel distribution tube formed with a fuel passage therein and a vertical planar portion at an external side thereof, a plurality of fuel injector sockets each formed to contain therein a fuel injection valve for supplying pressurized fuel from said fuel distribution tube to an internal combustion engine and integrally secured to the vertical planar portion of the fuel distribution tube to provide fuel communication between the fuel passage of the distribution tube and an interior of the fuel injector socket, and a plurality of brackets, each bracket being made of pressed sheet metal and having a mounting plate portion formed with a bolt hole for mounting the fuel distribution tube on an engine head and with a semi-circular opening for inserting lower portion of a respectively corresponding fuel injector socket therethrough, and with a pair of stationary arm portions extended in parallel from one side edge of said mounting plate portion at opposite sides of said respective fuel injector socket and secured to the vertical planar portion of said distribution tube, and wherein an outward flange formed at a lower end of said injector socket is secured to an underside surface of said semi-circular opening, and wherein a central axis of said bolt hole is offset from a central axis of each of said fuel injector sockets in a longitudinal direction of said distribution tube.