Gaseous fuel injection system for internal combustion engines

Details Gaseous fuel injection system for internal combustion engines Gaseous fuel injection system for internal combustion engines

F - Mech Eng,Light,Heat,Weapons

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F02B 3/00 (2006.01) F02B 43/00 (2006.01) F02M 21/02 (2006.01)

Patent

CA 1329899

GASEOUS FUEL INJECTION SYSTEM FOR INTERNAL COMBUSTION ENGINES ABSTRACT A gaseous fuel injection system for internal com- bustion engines features a "variable-pressure-controller" which translates a varying negative pressure, sensed in the engine's air intake system by means responsive to the rate of flow of the intake air, into a proportionately varying amount of gaseous fuel at a positive pressure. That fuel is then injected into the engine's air intake system upstream or down- stream Or the throttle valve through flow restrictor means which cooperate with the variable-pressure-controller to pro- vide an amount of fuel proportionate to the rate of air flow through the engine's air intake system. The invention is entirely mechanical-pneumatic in operation and readily adapted to a wide variety of liquid fueled engines, carburated as well as fuel injected, or to one for gaseous fuel only.

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