F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
123/142
F02B 47/02 (2006.01) F02D 19/12 (2006.01) F02B 1/04 (2006.01) F02B 3/06 (2006.01)
Patent
CA 1153649
TITLE OF THE INVENTION ELECTRONICALLY CONTROLLED FLUID INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE ABSTRACT OF THE DISCLOSURE A fluid injection system for an internal combustion engine such as a spark-ignition or compression-ignition engine in which an injection nozzle injects a finely divided spray of fluid, such as water or a water solution, into the engine in response to a flow of atomizing air. The nozzle is connected to a fluid supply reservoir and to the outlet line of an air-injection pump connected to and controlled by an electronic circuit that includes a pick-up coupled to the ignition system of the engine. The electronic circuit responds to spark plug firing rate, which is proportional to engine speed, and to the amplitude of the voltage across the spark plug gap, which is proportional to engine load, and varies, respectively, the pump stroke rate and the pump stroke length accordingly. As a result, the flow of atomizing air to the nozzle and therefore the rate and magnitude of water injection is responsive to engine speed and load.
370037
Goodman Toronta P.
Ridout & Maybee Llp
LandOfFree
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