Patent ID: 6843238

Claim:
A cold start fuel control system for use with an internal combustion engine having at least one combustion chamber, a source of fuel, and a primary intake manifold having an air inlet and an outlet port connected to each of the at least one combustion chamber, said system comprising: a cold start fuel assembly having an inlet and an outlet, said cold start fuel assembly inlet being fluidly connected to the source of fuel, an auxiliary intake manifold having an internal chamber, said cold start fuel assembly outlet being fluidly connected to said auxiliary intake manifold chamber, said auxiliary intake manifold chamber being fluidly connected through a branch pipe to the at least one combustion chamber at a position downstream from the inlet of the primary intake manifold, a control orifice member selected to deliver a predetermined fuel flow fluidly connected in series between said branch pipe of said auxiliary intake manifold and each of the at least one combustion chamber.