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An improved multi-fuel supply and co-injection system and method for powering internal combustion and turbine engines, whereby various combinations of fuels, both liquid and gaseous, may be mixed together and fed into the system, under the real-time control of a microprocessor responding to a variet

An improved multi-fuel supply and co-injection system and method for powering internal combustion and turbine engines, whereby various combinations of fuels, both liquid and gaseous, may be mixed together and fed into the system, under the real-time control of a microprocessor responding to a variety of sensors and acting on a variety of control devices, all working together in a manner designed to enhance the utilization of the thermal content of the various fuels, and in particular to enhance the combustion efficiency and increase the power output while decreasing the consumption of fuel, calculated both by quantity and by cost and whereby the liquid fuel lubricates the moving parts of the injection system.

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1. A system for multi-fuel injection within an engine from at least two fuel supplies, the engine having an injector including an injector pump, the improvement comprising: a manifold in fluid communication with and downstream of the at least two fuel supplies wherein fuels from the at least two fue

1. A system for multi-fuel injection within an engine from at least two fuel supplies, the engine having an injector including an injector pump, the improvement comprising: a manifold in fluid communication with and downstream of the at least two fuel supplies wherein fuels from the at least two fuel supplies are mixed to produce a fuel mixture as controlled by a combination flow sensor and a control valve located in-line between each fuel supply and the manifold; anda high-pressure positive displacement pump in fluid communication with and downstream of the manifold and in-line between the manifold and the engine, whereby the fuel mixture is brought to higher pressure before being injected by the injector; wherein:a first fuel is in a liquid state as supplied by a first fuel supply and delivered to the manifold; anda second fuel is in a gaseous state as supplied by a second fuel supply and delivered to the manifold, whereby the fuel mixture is a liquid-gaseous fuel mixture and the positive displacement pump pressurizes the liquid-gaseous fuel mixture prior to injection. 2. A system for multi-fuel injection within an engine from at least two fuel supplies, the engine having an injector including an injector pump, the improvement comprising: a manifold in fluid communication with and downstream of the at least two fuel supplies wherein fuels from the at least two fuel supplies are mixed to produce a fuel mixture as controlled by a combination flow sensor and a control valve located in-line between each fuel supply and the manifold; anda high-pressure positive displacement pump in fluid communication with and downstream of the manifold and in-line between the manifold and the engine, whereby the fuel mixture is brought to higher pressure before being injected by the injector, the improvement further comprising a circulation loop connected between the positive displacement pump and the injector pump of the engine, the circulation loop including a circulation line and a circulation pump substantially constantly circulating the fuel mixture and delivering the fuel mixture to an inlet of the injector pump. 3. The system of claim 2, wherein the circulation loop further includes an accumulator within the circulation line, whereby pressure and fuel requirement surges are substantially absorbed by the accumulator. 4. The system of claim 3, wherein the circulation loop further includes a feedback line leading from a side of the accumulator substantially opposite the circulation line back to the inlet of the positive-displacement pump, whereby blow by fuel mixture is reclaimed and returned to the inlet of the positive displacement pump for further processing. 5. A system for multi-fuel injection within an engine from at least two fuel supplies from which a fuel mixture is prepared, the engine having an injector including an injector pump, the improvement comprising: a circulation loop in fluid communication with the at least two fuel supplies and including a circulation line and a circulation pump substantially constantly circulating the fuel mixture and delivering the fuel mixture to the injector pump of the engine, whereby homogeneity of the fuel mixture is substantially maintained prior to injection;an accumulator within the circulation line, whereby pressure and fuel requirement surges are substantially absorbed by the accumulator; anda feedback line leading from a side of the accumulator substantially opposite the circulation line back to a high-pressure positive displacement pump, whereby blow by fuel mixture is reclaimed and returned to the positive displacement pump for further processing. 6. A system for multi-fuel injection with an engine from at least two fuel supplies, the engine having an injector including an injector pump, the improvement comprising: a manifold in fluid communication with and downstream of the at least two fuel supplies wherein fuels from the at least two fuel supplies are mixed to produce a fuel mixture as controlled by a combination flow sensor and a control valve located in-line between each fuel supply and the manifold;a high-pressure positive displacement pump in fluid communication with and downstream of the manifold and in-line between the manifold and the engine, whereby the fuel mixture is brought to higher pressure before being injected by the injector; anda circulation loop connected between the positive displacement pump and the injector pump of the engine, the circulation loop including a circulation line and a circulation pump substantially constantly circulating the fuel mixture and delivering the fuel mixture to an inlet of the injector pump, whereby homogeneity of the fuel mixture is substantially maintained downstream of the positive displacement pump. 7. A multi-fuel co-injection system comprising: a positive displacement pump configured to pressurize a fuel mixture, the fuel mixture comprising a liquid first fuel and a gaseous second fuel; anda circulation line defining a loop in fluid communication with the positive displacement pump and configured to circulate the fuel mixture as pressurized by the positive displacement pump. 8. The system of claim 7, further comprising: a first tube for flowing the first fuel;a second tube for flowing the second fuel; anda manifold in fluid communication with the first and second tubes and configured for combining the first and second fuels to produce the fuel mixture. 9. The system of claim 8, further comprising a third tube for flowing a third fuel, the third tube being in fluid communication with the manifold. 10. The system of claim 9, further comprising a fourth tube for flowing a fourth fuel, the fourth tube being in fluid communication with the manifold, the third and fourth fuels being different from each other and from the first and second fuels. 11. The system of claim 7, wherein the first fuel is selected from the group consisting of diesel, bio-diesel, motor oil, and vegetable oil and the second fuel is selected from the group consisting of hydrogen, oxygen, hydrox, propane, natural gas and methane. 12. The system of claim 7, wherein the second fuel is sourced from a hydrogen generator. 13. The system of claim 7, further comprising an accumulator in fluid communication with the circulation line and configured to stabilize fuel requirement surges within the system. 14. The system of claim 7, wherein: the accumulator is coupled to the circulation line; anda feedback line is coupled from a side of the accumulator substantially opposite the circulation line back to the positive displacement pump, whereby blow by fuel mixture is reclaimed and returned to the positive displacement pump for further processing. 15. The system of claim 7, further comprising a control system wherein: a first control valve is in fluid communication with the first tube;a second control valve is in fluid communication with the second tube; anda microprocessor control unit is electrically connected to the first and second control valves so as to control the supply of the first and second fuels to the manifold. 16. The system of claim 15, wherein: a first flow sensor is associated with the first control valve so as to also be in fluid communication with the first tube and so define a first combination sensor and control valve;a second flow sensor is associated with the second control valve so as to also be in fluid communication with the second tube and so define a second combination sensor and control valve; andthe microprocessor control unit is electrically connected to the first and second flow sensors so as to account for the flow of the first and second fuels in the first and second tubes as provided by the first and second flow sensors in thereby controlling the first and second control valves and thus the supply of the first and second fuels to the manifold. 17. The system of claim 7, further comprising a control system wherein: a combination flow sensor and control valve is in fluid communication with the positive displacement pump; anda microprocessor control unit is electrically connected to the combination flow sensor and control valve and to the positive displacement pump so as to regulate and maintain the pressurization of the fuel mixture by the positive displacement pump. 18. A method for multi-fuel injection comprising the steps of: repressurizing a fuel mixture comprised of a liquid first fuel and a gaseous second fuel;circulating the pressurized fuel mixture; anddelivering the pressurized, circulated fuel mixture to an injector pump of an engine. 19. The method of claim 18, further comprising the step of supplying the second fuel from a hydrogen generator. 20. The method of claim 18, further comprising the steps of: supplying the first and second fuels from respective first and second fuel sources;detecting the flow of the first and second fuels; andcontrolling the flow of the first and second fuels using control valves under the control of a microprocessor control unit electrically connected to the control valves. 21. The method of claim 18, wherein the step of pressurizing the fuel mixture comprises the further steps of: detecting the flow of fuel mixture through the positive displacement pump using a flow sensor; andregulating the positive displacement pump using a microprocessor control unit electrically connected to the flow sensor and to the positive displacement pump so as to maintain the pressurization of the fuel mixture by the positive displacement pump.