TEMPERATURE CONTROL DEVICE OF EVAPORATOR
A temperature control means (U) of an evaporator for controlling the supply amount of water to the evaporator based on the flow of exhaust gas and the temperatures of the exhaust gas, water, and steam to match the temperature of the steam generated by heating the water by the exhaust gas from an eng...
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Main Authors | , , , , |
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Format | Patent |
Language | English French Japanese |
Published |
10.04.2003
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | A temperature control means (U) of an evaporator for controlling the supply amount of water to the evaporator based on the flow of exhaust gas and the temperatures of the exhaust gas, water, and steam to match the temperature of the steam generated by heating the water by the exhaust gas from an engine to a target temperature, wherein the flow (Gmix) of the exhaust gas is calculated based on the fuel injection amount, air fuel ratio, and rotational speed of the engine to increase an accuracy and a responsiveness, whereby a control accuracy for matching the steam temperature to the target temperature can be increased by controlling the supply amount of the water to the evaporator based on the flow (Gmix) of the exhaust gas.
A temperature control means U of an evaporator for controlling the supply amount of water to the evaporator based on the flow of exhaust gas and the temperatures of the exhaust gas, water, and steam to match the temperature of the steam generated by heating the water by the exhaust gas from an engine to a target temperature, wherein the flow Gmix of the exhaust gas is calculated based on the fuel injection amount, air/fuel ratio, and rotational speed of the engine to increase an accuracy and a responsiveness, whereby a control accuracy for matching the steam temperature to the target temperature can be increased by controlling the supply amount of the water to the evaporator based on the flow Gmix of the exhaust gas.
L'invention concerne un moyen de commande thermique (U) d'un évaporateur permettant de contrôler la quantité d'eau à fournir à cet évaporateur, en fonction de l'écoulement du gaz d'échappement et de la température du gaz d'échappement, de l'eau et de la vapeur, de façon que la température de la vapeur générée lorsque le gaz d'échappement provenant d'un moteur chauffe l'eau corresponde à une température cible. L'écoulement (Gmix) du gaz d'échappement est calculé en fonction de la quantité de combustible injecté, du rapport air/combustible, et de la vitesse de rotation du moteur, afin d'accroître la précision et la réactivité. La précision de commande destinée à faire correspondre la température de la vapeur à la température cible peut être augmentée par commande de la quantité d'eau à fournir à l'évaporateur, en fonction de l'écoulement (Gmix) du gaz d'échappement. |
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AbstractList | A temperature control means (U) of an evaporator for controlling the supply amount of water to the evaporator based on the flow of exhaust gas and the temperatures of the exhaust gas, water, and steam to match the temperature of the steam generated by heating the water by the exhaust gas from an engine to a target temperature, wherein the flow (Gmix) of the exhaust gas is calculated based on the fuel injection amount, air fuel ratio, and rotational speed of the engine to increase an accuracy and a responsiveness, whereby a control accuracy for matching the steam temperature to the target temperature can be increased by controlling the supply amount of the water to the evaporator based on the flow (Gmix) of the exhaust gas.
A temperature control means U of an evaporator for controlling the supply amount of water to the evaporator based on the flow of exhaust gas and the temperatures of the exhaust gas, water, and steam to match the temperature of the steam generated by heating the water by the exhaust gas from an engine to a target temperature, wherein the flow Gmix of the exhaust gas is calculated based on the fuel injection amount, air/fuel ratio, and rotational speed of the engine to increase an accuracy and a responsiveness, whereby a control accuracy for matching the steam temperature to the target temperature can be increased by controlling the supply amount of the water to the evaporator based on the flow Gmix of the exhaust gas.
L'invention concerne un moyen de commande thermique (U) d'un évaporateur permettant de contrôler la quantité d'eau à fournir à cet évaporateur, en fonction de l'écoulement du gaz d'échappement et de la température du gaz d'échappement, de l'eau et de la vapeur, de façon que la température de la vapeur générée lorsque le gaz d'échappement provenant d'un moteur chauffe l'eau corresponde à une température cible. L'écoulement (Gmix) du gaz d'échappement est calculé en fonction de la quantité de combustible injecté, du rapport air/combustible, et de la vitesse de rotation du moteur, afin d'accroître la précision et la réactivité. La précision de commande destinée à faire correspondre la température de la vapeur à la température cible peut être augmentée par commande de la quantité d'eau à fournir à l'évaporateur, en fonction de l'écoulement (Gmix) du gaz d'échappement. |
Author | MAEDA, SUSUMU IBARAKI, SHIGERU BABA, TSUYOSHI NAGATANI, SHUJI SATO, AKIHISA |
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DocumentTitleAlternate | DISPOSITIF DE COMMANDE THERMIQUE D'UN EVAPORATEUR |
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SubjectTerms | BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS |
Title | TEMPERATURE CONTROL DEVICE OF EVAPORATOR |
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