Steam Combustion Engine
First Claim
1. A steam combustion engine, comprising:
- at least one cylinder assembly which defines a combustion chamber, a reciprocating piston, an intake manifold, an exhaust manifold, fuel injector and a water injection spark plug, the water injection spark plug being configured to ignite the fuel air mixture gas and inject boiling water into the combustion chamber; and
a control unit adapted to calculate the water injection amount based on a temperature of a portion of the cylinder assembly at about the moment the spark plug emits.
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Abstract
A steam combustion engine is improved from a conventional internal combustion engine by replacing spark plugs with water injection spark plugs, which inject small amount of boiling water into combustion chamber at the beginning of the fuel burning cycle if the engine temperature reaches preset limit. A steam combustion engine controller monitors the temperature of the engine, intercepts and alters fuel injection signal, turns on and off water injection solenoid at the right timing with the right amount. The apparatus can convert conventional vehicle into a steam combustion engine vehicle, reducing fuel consumption and emission by taking advantage of the waste heat and turning water into steam to generate extra useful work. This steam combustion engine can reach 40% efficiency instead of 20% in existing internal combustion engine. This apparatus can be used in any Otto cycle combustion engines found in electric generators, lawn mower, etc besides in most vehicles.
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Citations
18 Claims
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1. A steam combustion engine, comprising:
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at least one cylinder assembly which defines a combustion chamber, a reciprocating piston, an intake manifold, an exhaust manifold, fuel injector and a water injection spark plug, the water injection spark plug being configured to ignite the fuel air mixture gas and inject boiling water into the combustion chamber; and a control unit adapted to calculate the water injection amount based on a temperature of a portion of the cylinder assembly at about the moment the spark plug emits. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A water injection system for injecting regulated amounts of water into a combustion chamber of an internal combustion engine, the system comprising:
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a water injector adapted to placed at least partially in the combustion chamber and to inject water into the combustion chamber; and a controller adapted to regulate, based on at least one of a timing of ignition of fuel in the combustion chamber and temperature of a portion of the combustion chamber, at least one of the amount, rate and duration of water injection into the combustion chamber through the water injector. - View Dependent Claims (14, 15, 16, 18)
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17. A method of controlling water injection into a combustion chamber of an internal combustion engine, the method comprising:
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monitoring an operating condition of a combustion chamber in an internal combustion engine; injecting water into the combustion chamber; and based on at the operating condition, regulating the water injection into the combustion chamber.
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Specification