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1
US10281057B2
Publication/Patent Number: US10281057B2
Publication date: 2019-05-07
Application number: 14/424,658
Filing date: 2013-08-08
Inventor: Bolz, Stephan  
Abstract: A circuit configuration for inductively heating at least one fuel injection valve includes a power-transistor full-bridge circuit which acts as a driver for operating a series resonant circuit at an alternating voltage at or near the resonant frequency. The series resonant circuit includes a heater coil on which the resulting voltage can be significantly higher than the supply voltage. The power that can be fed to the heater coil can be modified or controlled by changing the frequency or the duty factor of the control signals of the switching elements of the bridge circuit. A fuel injection valve and methods for operating the circuit configuration are also provided. A circuit configuration for inductively heating at least one fuel injection valve includes a power-transistor full-bridge circuit which acts as a driver for operating a series resonant circuit at an alternating voltage at or near the resonant frequency. The series resonant ...more ...less
2
EP3478946A1
Publication/Patent Number: EP3478946A1
Publication date: 2019-05-08
Application number: 17721667.8
Filing date: 2017-05-04
3
US10309337B2
Publication/Patent Number: US10309337B2
Publication date: 2019-06-04
Application number: 15/531,490
Filing date: 2015-11-25
Abstract: The purpose of the present invention is to provide a control device for an internal combustion engine with which it is possible to favorably control an engine even if there could occur a difference in temperatures of fuel injected into respective cylinders. The present invention is a control device for an internal combustion engine, for controlling an internal combustion engine provided with fuel injection valves for directly injecting fuel respectively to a plurality of cylinders, wherein: the control device is provided with a fuel temperature acquiring means for acquiring respective temperatures of fuel injected to each of the cylinders; and at least one of a fuel injection valve control amount, ignition control amount, and intake and exhaust valve control amount of each of the cylinders is set in accordance with the respective temperatures of fuel acquired by the fuel temperature acquiring means. Alternatively, the present invention is a control device for an internal combustion engine, for controlling an internal combustion engine provided with fuel injection valves for directly injecting fuel respectively to a plurality of cylinders, wherein the control device is provided with a valve-closing time detecting means for detecting a valve-closing time of a valve body of each of the fuel injection valves, and a fuel temperature estimating means for estimating the temperature of fuel on the basis of the valve-closing duration of the valves detected by the valve-closing time detecting means. The purpose of the present invention is to provide a control device for an internal combustion engine with which it is possible to favorably control an engine even if there could occur a difference in temperatures of fuel injected into respective cylinders. The present invention ...more ...less
4
US20190195162A1
Publication/Patent Number: US20190195162A1
Publication date: 2019-06-27
Application number: 16/312,156
Filing date: 2017-06-26
Abstract: A vehicle comprising: an internal combustion engine configured to generate an engine torque using high-gasoline content fuel; at least one fuel injector configured to deliver the high-gasoline content fuel to a cylinder of the engine; at least one heating element configured to heat the high-gasoline content fuel prior to it being delivered to the cylinder by the fuel injector; a fuel pump connected to the heating element to supply high-gasoline to the heating element, the fuel pump being configured to pressurise the high-gasoline content fuel; and an engine controller configured to control the engine torque generated by the engine and control the fuel pressure generated by the fuel pump, the engine controller using a heated-fuel behaviour model of the engine, when the fuel is being heated by the heating element(s), to: (i) control an amount of fuel delivered by the fuel injector, the heated-fuel behaviour model causing a reduced fuel injection amount for a given engine torque relative to unheated high-gasoline content fuel; and (ii) cause a higher fuel pressure to be generated by the fuel pump relative to unheated high-gasoline content fuel. A vehicle comprising: an internal combustion engine configured to generate an engine torque using high-gasoline content fuel; at least one fuel injector configured to deliver the high-gasoline content fuel to a cylinder of the engine; at least one heating element configured to ...more ...less
5
US20190040828A1
Publication/Patent Number: US20190040828A1
Publication date: 2019-02-07
Application number: 16/044,387
Filing date: 2018-07-24
Abstract: The invention relates to a fuel injector for injecting an over-enriched fuel and air mixture to the combustion chamber of an internal combustion engine, is characterised in that it comprises: a hydrocarbon liquid fuel spray nozzle, at least one supply of a gaseous carrier, a fuel mixing and evaporation chamber and an injector nozzle to the engine combustion chamber (C.C.), configured such that, during operation, liquid fuel is supplied and heated and compressed gaseous carrier are supplied to the fuel mixing and evaporation chamber of this injector through the spray nozzle, where they are mixed and evaporated as a result of elevated temperature, and the mixture of evaporated fuel with a hot gaseous carrier with low oxygen content thus formed reaches the combustion chamber (C.C.), through the outlet, wherein the gaseous carrier is air or, alternatively, flue gas, at elevated pressure and temperature and having a composition that prevents the initiation of flame combustion, and the gaseous carrier has oxygen content low enough to prevent the initiation of combustion, even under conditions of elevated pressure and temperature. The invention relates to a fuel injector for injecting an over-enriched fuel and air mixture to the combustion chamber of an internal combustion engine, is characterised in that it comprises: a hydrocarbon liquid fuel spray nozzle, at least one supply of a gaseous ...more ...less
6
EP3430254A1
Publication/Patent Number: EP3430254A1
Publication date: 2019-01-23
Application number: 17710201.9
Filing date: 2017-03-09
7
US10273918B2
Publication/Patent Number: US10273918B2
Publication date: 2019-04-30
Application number: 15/783,564
Filing date: 2017-10-13
Abstract: A fuel injector has a seat and at least one seat passage. The seat includes an outer tip surface through which the seat passage extends. Fin structure is provided in the outer tip surface and is constructed and arranged to increase a surface area of the outer tip surface as compared to a surface area of the outer tip surface absent the fin structure. The outer tip surface, including the fin structure, is constructed and arranged to be heated by combustion gases so that the outer tip surface reaches a temperature greater than a temperature that the outer tip surface would reach absent the fin structure, so as to cause evaporation of fuel that contacts the outer tip surface. A fuel injector has a seat and at least one seat passage. The seat includes an outer tip surface through which the seat passage extends. Fin structure is provided in the outer tip surface and is constructed and arranged to increase a surface area of the outer tip surface as ...more ...less
8
EP1999367B1
Publication/Patent Number: EP1999367B1
Publication date: 2019-05-08
Application number: 07753413.9
Filing date: 2007-03-19
9
EP3196067B1
Publication/Patent Number: EP3196067B1
Publication date: 2019-04-24
Application number: 16199038.7
Filing date: 2016-11-16
10
US10167829B2
Publication/Patent Number: US10167829B2
Publication date: 2019-01-01
Application number: 15/373,924
Filing date: 2016-12-09
Inventor: Seo, Yoo Jin  
Abstract: A fuel heating device for a vehicle may include a start sensor detecting a starting of a vehicle; a controller area network (CAN) communication device transmitting and receiving various signals to and from an engine control device; a resistance sensor measuring a resistance of a heater provided inside an injector; and a controller controlling the resistance sensor to measure the resistance of the heater when the starting of the vehicle is detected in a state in which a failure occurs in the CAN communication device, converting the measured resistance of the heater into a temperature of a fuel, and operating the heater to heat the fuel to a reference temperature when the converted temperature is lower than or equal to a threshold. A fuel heating device for a vehicle may include a start sensor detecting a starting of a vehicle; a controller area network (CAN) communication device transmitting and receiving various signals to and from an engine control device; a resistance sensor measuring a resistance of a ...more ...less
11
US10273914B2
Publication/Patent Number: US10273914B2
Publication date: 2019-04-30
Application number: 14/236,521
Filing date: 2012-06-06
Inventor: Windbergs, Thor  
Abstract: An injection device for an internal combustion engine is described, which has a first fuel injector for injecting fuel having a first fuel composition based on ethanol, and a separate second fuel injector for injecting fuel having a second fuel composition, which differs from the first fuel composition, the injection device having a heating device for preheating exclusively the fuel having the first fuel composition and injected by way of the first fuel injector. An injection device for an internal combustion engine is described, which has a first fuel injector for injecting fuel having a first fuel composition based on ethanol, and a separate second fuel injector for injecting fuel having a second fuel composition, which differs from ...more ...less
13
US20180291833A1
Publication/Patent Number: US20180291833A1
Publication date: 2018-10-11
Application number: 15/531,490
Filing date: 2015-11-25
Abstract: The purpose of the present invention is to provide a control device for an internal combustion engine with which it is possible to favorably control an engine even if there could occur a difference in temperatures of fuel injected into respective cylinders. The present invention is a control device for an internal combustion engine, for controlling an internal combustion engine provided with fuel injection valves for directly injecting fuel respectively to a plurality of cylinders, wherein: the control device is provided with a fuel temperature acquiring means for acquiring respective temperatures of fuel injected to each of the cylinders; and at least one of a fuel injection valve control amount, ignition control amount, and intake and exhaust valve control amount of each of the cylinders is set in accordance with the respective temperatures of fuel acquired by the fuel temperature acquiring means. Alternatively, the present invention is a control device for an internal combustion engine, for controlling an internal combustion engine provided with fuel injection valves for directly injecting fuel respectively to a plurality of cylinders, wherein the control device is provided with a valve-closing time detecting means for detecting a valve-closing time of a valve body of each of the fuel injection valves, and a fuel temperature estimating means for estimating the temperature of fuel on the basis of the valve-closing duration of the valves detected by the valve-closing time detecting means. The purpose of the present invention is to provide a control device for an internal combustion engine with which it is possible to favorably control an engine even if there could occur a difference in temperatures of fuel injected into respective cylinders. The present invention ...more ...less
14
EP3377755A1
Publication/Patent Number: EP3377755A1
Publication date: 2018-09-26
Application number: 16794974.2
Filing date: 2016-11-07
Inventor: Altin, Mete  
15
EP3412904A1
Publication/Patent Number: EP3412904A1
Publication date: 2018-12-12
Application number: 18174492.1
Filing date: 2018-05-28
Abstract: Die vorliegende Erfindung bezieht sich auf ein System zur Erwärmung von Kraftstoff (10) zur Anwendung in einem Einspritzsystem für Kraftstoff, das einen hohen Einspritzdruck erfordert. Dieses System kann beispielsweise in Verbrennungsmotoren und Kraftfahrzeugen verwendet werden, um einen Kaltstart zu erleichtern, zur Verminderung von Schadstoffemissionen und andere Anwendungen. Die Vorrichtung zur Erwärmung von Kraftstoff (10) beinhaltet insbesondere einen Körper (100) in dem eine positive Anschlusselektrode (20) untergebracht ist mit einen erstem zylindrischen Bereich (20A), einem zweiten konischen Bereich (20B) und einem primären Anschlussterminal (25), der verbunden ist mit der primären Anschlusselektrode (20), einer negativen Anschlusselektrode (30) und mindestens einer Heizgruppe (101) definiert durch: mindestens einer negativen Anschlussplatine (40), die an die negativen Anschlusselektrode (30) angeschlossen ist und mindestens einer positiven Anschlussplatine (50), die an die positive Anschlusselektrode (20) angeschlossen ist; und mindestens zwei Heizelemente (60), die zwischen einer negativen Anschlussplatine (40) und einer positiven Anschlussplatine (50) angeordnet sind. Die vorliegende Erfindung bezieht sich auf ein System zur Erwärmung von Kraftstoff (10) zur Anwendung in einem Einspritzsystem für Kraftstoff, das einen hohen Einspritzdruck erfordert. Dieses System kann beispielsweise in Verbrennungsmotoren und Kraftfahrzeugen verwendet w ...more ...less
16
EP3282118A1
Publication/Patent Number: EP3282118A1
Publication date: 2018-02-14
Application number: 17185528.1
Filing date: 2017-08-09
Abstract: The present invention relates to a fuel heating device (5) for a fuel injection system (1) of an internal combustion engine, comprising - a housing (10), which has a housing interior (11), an inlet opening (12) for fuel and an outlet opening (13) for fuel, - a heat exchanger (14) inserted into the housing interior (11), which has fins (15) and an exchanger interior (17), - a heating element carrier (18) inserted into the exchanger interior (17) which carries at least two flat and even PTC heating elements (19) and which has a contact spring arrangement (20), which preloads the PTC heating elements (19) against the heat exchanger (14) and forms a pole for the power supply of the PTC heating elements (19), - an exchanger lid (25) for closing the exchanger interior (17), through which a terminal lug (21) of the contact spring arrangement (20) is fed through, - an electrical connection (27), which is attached to the exchanger lid (25) via which the fuel heating device (5) can be connected to a power supply and into which the terminal lug (21) projects, - a housing lid (28) for closing the housing (10), through which the exchanger lid (25) is axially fed through and which is screwed to the housing (10). The present invention relates to a fuel heating device (5) for a fuel injection system (1) of an internal combustion engine, comprising - a housing (10), which has a housing interior (11), an inlet opening (12) for fuel and an outlet opening (13) for fuel, - a heat exchanger ...more ...less
17
CA2779367C
Publication/Patent Number: CA2779367C
Publication date: 2018-01-23
Application number: 2779367
Filing date: 2010-11-02
Assignee: Eltek S.p.A.
Abstract: The invention relates to an electric heater (5A
18
BR102013021129A2
Publication/Patent Number: BR102013021129A2
Publication date: 2018-03-27
Application number: 102013021129
Filing date: 2013-08-19
Abstract: um dispositivo de aquecimento de combustível pode melhorar o desempenho do arranque a frio e resolver uma série de problemas de tanque auxiliar convencional e sistemas de aquecimento de um veículo de combustível flexível (ffv) . o dispositivo de aquecimento de combustível pode incluir um aquecedor tendo incorporado nesta um objeto de emissão de calor para o aquecimento do combustível, uma válvula solenoide ligada ao aquecedor, de tal modo que um percurso de fluxo para a primeira saída é aberto ou fechado seletivamente para fornecer o combustível, um sensor de temperatura instalado no aquecedor, e um controlador para controlar o ligar e desligar do aquecedor e a abertura e fechamento da válvula solenoide, de acordo com a temperatura do combustível, em que a saída do aquecedor é conectada a um arranque a frio por meio de um tubo de arranque a frio e uma entrada da válvula solenoide é conectada ao tubo de combustível conectado do tanque de combustível. um dispositivo de aquecimento de combustível pode melhorar o desempenho do arranque a frio e resolver uma série de problemas de tanque auxiliar convencional e sistemas de aquecimento de um veículo de combustível flexível (ffv) . o dispositivo de aquecimento de combustível pode ...more ...less
19
CN107806386A
Publication/Patent Number: CN107806386A
Publication date: 2018-03-16
Application number: 201711264182
Filing date: 2017-12-05
Abstract: The invention relates to a supercritical fuel injection system and belongs to the technical field of combustion and supercritical fuel jetting of internal combustion engines. The supercritical fuel injection system mainly comprises a fuel tank, a high-pressure oil pump, a high-pressure common rail pipe, a fuel heating pipe, an electromagnetic fuel heating unit, a common rail fuel sprayer, a high-temperature fuel return pipeline, a returned fuel water-cooling device, a fuel storage tank, a pressure sensor, a thermocouple and an electronic control unit. The high-pressure oil pump pressurizes andpumps fuel from the fuel tank to the high-pressure common rail pipe. The electromagnetic fuel heating unit heats the fuel to a supercritical state. The electronic control unit processes signals fromthe pressure sensor and the thermocouple and controls the common rail fuel sprayer to spray the fuel. The returned fuel water-cooling device cools high-temperature returned fuel and guides the fuel from the high-temperature fuel return pipeline to the fuel storage tank. Compared with the prior art, by heating and pressurizing the fuel to the supercritical state, the fuel atomization effect duringspraying is improved, and a fuel ignition delay period is shortened, so that the combustion process can be controlled and improved through personalized customization of spraying pulses, and the heat efficiency of the internal combustion engines is improved. The invention relates to a supercritical fuel injection system and belongs to the technical field of combustion and supercritical fuel jetting of internal combustion engines. The supercritical fuel injection system mainly comprises a fuel tank, a high-pressure oil pump, a ...more ...less
20
CN207178081U
Publication/Patent Number: CN207178081U
Publication date: 2018-04-03
Application number: 201720780368
Filing date: 2017-06-30
Inventor: Gao, Zhinan  
Assignee: GAO ZHINAN
Abstract: The utility model relates to an oil spout structure and use its engine relates to the fuel injection field. The main technical scheme who adopts does: the oil spout structure is including sprayer andthe first heat -insulating material that adds, the first heat -insulating material cover that adds is established on the sprayer, it is right to be used for fuel heating in the sprayer. The utility model provides an among the technical scheme, because the first heat -insulating material that adds can heat the fuel in the sprayer to can heat the fuel in the sprayer to the higher temperature, obtainbetter fuel injection effect, make the fuel evaporate fully and to mix with the air in the cylinder, and then effectively solved the technical problem of current engine difficulty on fire when the cold start. The utility model relates to an oil spout structure and use its engine relates to the fuel injection field. The main technical scheme who adopts does: the oil spout structure is including sprayer andthe first heat -insulating material that adds, the first heat -insulating ...more ...less