Patent ID: 6523528
Filing Date: 2003-02-25
Classification: F02D,F02M,Y02T

Abstract:
Gas metering system for an internal combustion engine, comprising:a gas pressure regulator having an inlet and a gas outlet and being arranged to provide gas at said gas outlet at a substantially constant pressure; an outlet line connected to said gas outlet and comprising an adjustable valve; a venturi having a main passage for inlet air for said internal combustion engine and at least one auxiliary passage opening in a throat section of said venturi and connected to said outlet link; control means for controlling said adjustable valve, having inputs for at least engine rpm and load and a memory/processing unit for converting said inputs into an output for said adjustable valve; and adjusting means for setting said control means to the related internal combustion engine, said adjusting means comprising setting means for introducing a value corresponding to a surface area of said at least one auxiliary passage.