An internal combustion engine system includes a fuel tank containing ethanol, a fuel tank containing at least one of gasoline and GTL naphtha, a reforming device for reforming ethanol to obtain diethyl ether, a heat exchange device for heating a heating medium, an ethanol heater for heating ethanol,
An internal combustion engine system includes a fuel tank containing ethanol, a fuel tank containing at least one of gasoline and GTL naphtha, a reforming device for reforming ethanol to obtain diethyl ether, a heat exchange device for heating a heating medium, an ethanol heater for heating ethanol, and a fuel supply controlling device for controlling a mixture ratio of the fuel. The internal combustion engine system further includes an intake air heater for heating intake air with the heating medium. The internal combustion engine system includes an adiabatic storage container for storing the heating medium during a halt of an internal combustion engine. A flow controlling device is provided for supplying the heating medium to the adiabatic storage container only when a temperature detected by a thermal detector is higher than a temperature detected by a thermal detector during an operation of the internal combustion engine.
대표청구항▼
What is claimed is: 1. An internal combustion engine system switchable between a spark ignition operation and a homogeneous charge compression ignition operation, comprising: a first fuel tank containing ethanol; a second fuel tank containing at least one of gasoline and GTL naphtha; a reforming me
What is claimed is: 1. An internal combustion engine system switchable between a spark ignition operation and a homogeneous charge compression ignition operation, comprising: a first fuel tank containing ethanol; a second fuel tank containing at least one of gasoline and GTL naphtha; a reforming means for reforming a portion of ethanol provided from the first fuel tank to an internal combustion engine by heating and bringing the ethanol into contact with a catalyst to obtain diethyl ether; a heat exchange means for exchanging heat between exhaust heat of the internal combustion engine and a heating medium to heat the heating medium; an ethanol heating means for heating ethanol provided to the reforming means with the heating medium heated by the heat exchange means; and a fuel supply controlling means for controlling a mixture ratio of ethanol provided from the first fuel tank to the internal combustion engine, at least one of gasoline and GTL naphtha provided from the second fuel tank to the internal combustion engine, and diethyl ether provided from the reforming means to the internal combustion engine. 2. The internal combustion engine system according to claim 1, wherein the spark ignition operation is carried out during high engine load conditions, while the homogeneous charge compression ignition operation is carried out during low engine load conditions. 3. The internal combustion engine system according to claim 1, further comprising an adiabatic storage container for containing the heating medium heated by the heat exchange means and storing the heating medium under adiabatic conditions during a halt of the internal combustion engine. 4. The internal combustion engine system according to claim 3, further comprising: a first thermal detecting means for detecting a temperature of the adiabatic storage container; a second thermal detecting means for detecting a temperature of the heating medium heated by the heat exchange means; and a flow controlling means for flowing the heating medium to the adiabatic storage container only when the temperature detected by the first thermal detecting means is higher than the temperature detected by the second thermal detecting means during an operation of the internal combustion engine. 5. An internal combustion engine system switchable between a spark ignition operation and a homogeneous charge compression ignition operation, comprising: a first fuel tank containing ethanol; a second fuel tank containing at least one of gasoline and GTL naphtha; a reforming means for reforming a portion of ethanol provided from the first fuel tank to an internal combustion engine by heating and bringing the ethanol into contact with a catalyst to obtain diethyl ether; a heat exchange means for exchanging heat between exhaust heat of the internal combustion engine and a heating medium to heat the heating medium; an intake air heating means for heating intake air of the internal combustion engine with the heating medium heated by the heat exchange means; and a fuel supply controlling means for controlling a mixture ratio of ethanol provided from the first fuel tank to the internal combustion engine, at least one of gasoline and GTL naphtha provided from the second fuel tank to the internal combustion engine, and diethyl ether provided from the reforming means to the internal combustion engine. 6. The internal combustion engine system according to claim 5, further comprising an ethanol heating means for heating ethanol provided to the reforming means with the heating medium heated by the heat exchange means. 7. The internal combustion engine system according to claim 5, wherein the spark ignition operation is carried out during high engine load conditions, while the homogeneous charge compression ignition operation is carried out during low engine load conditions. 8. The internal combustion engine system according to claim 5, further comprising an adiabatic storage container for containing the heating medium heated by the heat exchange means and storing the heating medium under adiabatic conditions during a halt of the internal combustion engine. 9. The internal combustion engine system according to claim 8, further comprising: a first thermal detecting means for detecting a temperature of the adiabatic storage container; a second thermal detecting means for detecting a temperature of the heating medium heated by the heat exchange means; and a flow controlling means for flowing the heating medium to the adiabatic storage container only when the temperature detected by the first thermal detecting means is higher than the temperature detected by the second thermal detecting means during an operation of the internal combustion engine. 10. An internal combustion engine system switchable between a spark ignition operation and a homogeneous charge compression ignition operation, comprising: a fuel tank containing a mixed fuel comprising ethanol and at least one of gasoline and GTL naphtha; a separating means for separating the mixed fuel provided from the fuel tank into the at least one of gasoline and GTL naphtha and an ethanol-water mixture by adding water to the mixed fuel; a reforming means for reforming a portion of the ethanol-water mixture provided from the separating means to the fuel tank by heating and bringing the ethanol-water mixture into contact with a catalyst to obtain a diethyl ether-water mixture; a heat exchange means for exchanging heat between exhaust heat of the internal combustion engine and a heating medium to heat the heating medium; an ethanol heating means for heating the ethanol-water mixture provided to the reforming means with the heating medium heated by the heat exchange means; and a fuel supply controlling means for controlling a mixture ratio of ethanol and at least one of gasoline and GTL naphtha provided from the separating means to the internal combustion engine, and the diethyl ether-water mixture provided from the reforming means to the internal combustion engine. 11. The internal combustion engine system according to claim 10, wherein the spark ignition operation is carried out during high engine load conditions, while the homogeneous charge compression ignition operation is carried out during low engine load conditions. 12. The internal combustion engine system according to claim 10, further comprising an adiabatic storage container for containing the heating medium heated by the heat exchange means and storing the heating medium under adiabatic conditions during a halt of the internal combustion engine. 13. The internal combustion engine system according to claim 12, further comprising: a first thermal detecting means for detecting a temperature of the adiabatic storage container; a second thermal detecting means for detecting a temperature of the heating medium heated by the heat exchange means; and a flow controlling means for flowing the heating medium to the adiabatic storage container only when the temperature detected by the first thermal detecting means is higher than the temperature detected by the second thermal detecting means during an operation of the internal combustion engine. 14. An internal combustion engine system switchable between a spark ignition operation and a homogeneous charge compression ignition operation, comprising: a fuel tank containing a mixed fuel comprising ethanol and at least one of gasoline and GTL naphtha; a separating means for separating the mixed fuel provided from the fuel tank into the at least one of gasoline and GTL naphtha and an ethanol-water mixture by adding water to the mixed fuel; a reforming means for reforming a portion of the ethanol-water mixture provided from the separating means to the fuel tank by heating and bringing the ethanol-water mixture into contact with a catalyst to obtain a diethyl ether-water mixture; a heat exchange means for exchanging heat between exhaust heat of the internal combustion engine and a heating medium to heat the heating medium; an intake air heating means for heating intake air of the internal combustion engine with the heating medium heated by the heat exchange means; and a fuel supply controlling means for controlling a mixture ratio of ethanol and at least one of gasoline and GTL naphtha provided from the separating means to the internal combustion engine, and the diethyl ether-water mixture provided from the reforming means to the internal combustion engine. 15. The internal combustion engine system according to claim 14, further comprising an ethanol heating means for heating the ethanol-water mixture provided to the reforming means with the heating medium heated by the heat exchange means. 16. The internal combustion engine system according to claim 14, wherein the spark ignition operation is carried out during high engine load conditions, while the homogeneous charge compression ignition operation is carried out during low engine load conditions. 17. The internal combustion engine system according to claim 14, further comprising an adiabatic storage container for containing the heating medium heated by the heat exchange means and storing the heating medium under adiabatic conditions during a halt of the internal combustion engine. 18. The internal combustion engine system according to claim 17, further comprising: a first thermal detecting means for detecting a temperature of the adiabatic storage container; a second thermal detecting means for detecting a temperature of the heating medium heated by the heat exchange means; and a flow controlling means for flowing the heating medium to the adiabatic storage container only when the temperature detected by the first thermal detecting means is higher than the temperature detected by the second thermal detecting means during an operation of the internal combustion engine.
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이 특허에 인용된 특허 (6)
Lewis,Donald J.; Lippa,Allan J.; Russell,John D., Engine output control system and method.
Dimitroff Edward (San Antonio TX) Vitkovits John A. (San Antonio TX), Fuel system for and a method of operating a spark-ignited internal combustion engine.
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