CN105114193A - Fuel feed method of methanol/diesel dual-fuel diesel engine - Google Patents
Fuel feed method of methanol/diesel dual-fuel diesel engine Download PDFInfo
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- CN105114193A CN105114193A CN201510461202.0A CN201510461202A CN105114193A CN 105114193 A CN105114193 A CN 105114193A CN 201510461202 A CN201510461202 A CN 201510461202A CN 105114193 A CN105114193 A CN 105114193A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The invention relates to a fuel feed method of a methanol/diesel dual-fuel diesel engine. According to the fuel feed method, fuel feed of the dual-fuel diesel engine is achieved by a methanol fuel feed system and a diesel fuel feed system through the combustion mode that methanol premixed with gas diesel is ignited by an electronic control unit (ECU). The characters of different fuels can be fully utilized by adding a second intra-cylinder direct injection fuel supply system, the flow field characteristic of fuel and air mixed gas in a cylinder is controlled by changing the injection strategy of two fuels, and therefore efficient and clean combustion under the real-time work conditions of the engine is achieved.
Description
Technical field
The present invention relates to a kind of engine fuel supply system, especially a kind of use duel fuel engine fuel oil supply system.
Background technique
The fuel that conventional engines uses is fossil fuel gasoline and diesel oil, but petroleum-based energy is day by day in short supply, and environmental pollution is on the rise, and the development & application of engine washing substitute fuel is extremely urgent.The fuel such as current Aalcohols fuel, ethers fuel, rock gas, F-T diesel oil and biodiesel have been acknowledged as the clean alternative fuel of motor.
About clean fuel replace petroleum-based energy as motor fuel research a lot, achieve certain effect.But all have certain problem when simple a kind of substitute fuel is applied on the engine, the boiling point as methyl alcohol and dimethyl ether is low, easily evaporation forms vapour lock at oil pipe or intake duct, hinders the supply of fuel; Their gasification latent heat value is very high, and motor can reduce air inlet and cylinder temperature further when startup or light running, causes flame-out and operates unstable; Methyl alcohol viscosity is low, makes oil transmitting pump of diesel engine and plunger can not get good lubrication, and wearing and tearing are very fast; In discharge, because engine operating condition is complicated, the combustion characteristic of fuel combination is not well grasped, the discharge of Part load is caused to raise, combustion instability, except the character of clean fuel itself, the petrol engine development trend that also affect alternative fuel different from the essence of diesel combustion mode.Petrol engine is subject to the restriction of detonation, compression ratio much smaller than diesel engine determines that petrol engine pre-mixing combustion is more much lower than the thermal efficiency of diesel engine diffusive combustion, although the application of alternative fuel in petrol engine is ripe, but the lower thermal efficiency cannot be well solved, cause the utilization ratio of alternative fuel not high, there is multiple difficulty urgently to be resolved hurrily.
In order to promote the utilization of engine washing substitute fuel, the concept of duel fuel engine is suggested, and has had certain progress.The fuel of current dual-fuel diesel engine forms fuel combination with clean alternative fuel auxiliary fuel and diesel oil to enter cylinder combustion, or burnt by intake port injection substitute fuel, the diesel oil ignited substitute fuel premixed gas of in-cylinder direct injection.These two kinds of combustion manners all do not need to carry out large change to engine structure, are easy to operation, but fuel mix mode is to the limited efficiency of the performance improvement of motor, and Aalcohols fuel and diesel oil do not dissolve each other; And in premixed gas pilot combustion pattern, be difficult to the control by realizing according to the change of engine operating condition premixed gas flow field characteristic in cylinder, and then the best combustion efficiency reached under this operating mode and low emission.
Summary of the invention
The concrete technical problems that the present invention will solve is the flow field characteristic of how control cylinder fuel air Mixture, makes it a kind of Methanol/Diesel Dual Fuel diesel engine fuel oil supplying method mated with engine operation condition.
The above-mentioned concrete technical problems of the present invention is solved by following technological scheme.
A kind of Methanol/Diesel Dual Fuel diesel engine fuel oil supplying method, method described in it is by methanol fuel supply system and diesel fuel supply system, by electronic control unit ECU by combustion mode diesel oil ignited for methyl alcohol premixed gas, realize dual-fuel diesel engine fuel delivery;
Described methanol fuel supply system is that the methanol fuel oil of methanol fuel tank is pumped into methanol fuel oil rail through methanol fuel filter cleaner and pressure regulator by methanol fuel pump, after spray into cylinder body by the methyl alcohol oil sprayer of methanol fuel oil rail and carry out work by combustion;
Described diesel fuel supply system is that the diesel fuel oil of diesel tank is pumped into diesel fuel oil rail through diesel fuel filter and pressure regulator by diesel fuel pump, after spray into cylinder body by the diesel injector of diesel fuel oil rail and carry out work by combustion;
The diesel oil ignited combustion mode of described methyl alcohol premixed gas is that electronic control unit ECU receives the signal sent from CAP sensor, engine rotation speed sensor and intake flow sensor, and the matching analysis is carried out to its signal, provide methanol fuel emitted dose, after control signal is sent to methyl alcohol oil sprayer and diesel injector; At the intake stroke initial stage, electronic control unit ECU gives an order and controls the in-cylinder injection that methyl alcohol oil sprayer carries out methyl alcohol, and form the premixed gas of methyl alcohol in cylinder, when piston approaches top dead center, electronic control unit ECU gives an order to diesel injector and controls the time for spraying of diesel oil and injection pulse width, subsequently diesel oil in a combustion chamber by compression ignite and the multiple spot causing methyl alcohol premixed gas wherein catch fire, namely realize the diesel oil ignited combustion mode of methyl alcohol premixed gas;
To be electronic control unit ECU start to spray diesel oil when piston approaches top dead center by programming Control diesel injector described diesel oil ignited combustion mode, then oil sprayer starts to spray methyl alcohol, namely continue to spray into methyl alcohol in the process of diesel oil by compression ignite in cylinder, methyl alcohol is ignited on cylinder inner edge evaporation mixing limit;
In technique scheme, described methanol fuel is antiknock gasoline, comprises alcohols, ethers, rock gas or gasoline; Described diesel fuel is high-cetane fuel, comprises F-T diesel oil, biodiesel or diesel oil; Described electronic control unit ECU sends fuel Injection Control signal to described fuel oil injector; Described methanol fuel supply system and diesel fuel supply system are that separate resistant material is formed; The pressure regulator of described methanol fuel supply system is the fuel pressure in oil circuit control, realizes the change of main fuel injection rate.
A kind of Methanol/Diesel Dual Fuel diesel engine fuel oil supplying method that the present invention is above-mentioned provided, beneficial effect is compared with prior art the fuel oil supply system that this method passes through that in-cylinder direct injection is overlapped in increase by second, take full advantage of the character of different fuel, achieve the control of the flow field characteristic to internal combustion oil of cylinder air Mixture by changing injection strategy, thus reach the high-efficiency cleaning burning of motor real-time working condition.
Accompanying drawing explanation
Fig. 1 is fuel fuel oil supply system structural representation of the present invention.
Fig. 2 is methanol fuel fuel oil supply system structural representation of the present invention.
Fig. 3 is diesel fuel fuel oil supply system structural representation of the present invention.
In figure: 1: methanol fuel tank; 2: methanol fuel pump; 3: methanol fuel filter cleaner; 4: cylinder body; 5: methyl alcohol oil sprayer; 6: intake valve; 7: diesel injector; 8: diesel fuel pump; 9: diesel fuel filter; 10: diesel tank; 11: flywheel; 12: connecting rod; 13: bent axle; 14: piston; 15: pressure regulator; 16: methanol fuel oil rail; 17: low pressure fuel pipe; 18: diesel fuel oil transfer pump; 19: speed regulator; 20: draw rod positions sensor; 21: diesel fuel Injection Pump; 22: pressure-limit valve; 23: high-pressure oil pipe; 24: return tube.
Embodiment
Below concrete mode of execution of the present invention is made further instructions.
Implement a kind of Methanol/Diesel Dual Fuel diesel engine fuel oil supplying method, be the flow field characteristic that will solve how control cylinder fuel air Mixture, make it the concrete technical problems mated with engine operation condition.Solving the measure that particular problem proposed by the invention takes is first arrange Methanol/Diesel Dual Fuel Fuel Feeding System for Diesel Engine system, then controlled by electronic control unit ECU, realize Methanol/Diesel Dual Fuel diesel engine fuel oil supplying method, concrete technological scheme is as follows.
A kind of Methanol/Diesel Dual Fuel diesel engine fuel oil supplying method, the method is by methanol fuel supply system and diesel fuel supply system, by electronic control unit ECU by combustion mode diesel oil ignited for methyl alcohol premixed gas, realize dual-fuel diesel engine fuel delivery.
Implementing methanol fuel supply system is that the methanol fuel oil of methanol fuel tank 1 is pumped into methanol fuel oil rail 16 through methanol fuel filter cleaner 3 and pressure regulator 15 by methanol fuel pump 2, after spray into cylinder body 4 by the methyl alcohol oil sprayer 5 of methanol fuel oil rail 16 and carry out work by combustion.
Implementing diesel fuel supply system is that the diesel fuel oil of diesel tank 10 is pumped into diesel fuel oil rail 16 through diesel fuel filter 9 and pressure regulator 15 by diesel fuel pump 8, after spray into cylinder body 4 by the diesel injector 7 of diesel fuel oil rail 16 and carry out work by combustion.
Implementing the diesel oil ignited combustion mode of methyl alcohol premixed gas is that electronic control unit ECU receives the signal sent from CAP sensor, engine rotation speed sensor and intake flow sensor, and the matching analysis is carried out to its signal, provide methanol fuel emitted dose, after control signal is sent to methyl alcohol oil sprayer 5 and diesel injector 7; At the intake stroke initial stage, electronic control unit ECU gives an order and controls the in-cylinder injection that methyl alcohol oil sprayer 5 carries out methyl alcohol, and form the premixed gas of methyl alcohol in cylinder, when piston approaches top dead center, electronic control unit ECU gives an order to diesel injector [7] and controls the time for spraying of diesel oil and injection pulse width, subsequently diesel oil in a combustion chamber by compression ignite and the multiple spot causing methyl alcohol premixed gas wherein catch fire, namely realize the diesel oil ignited combustion mode of methyl alcohol premixed gas;
To implement diesel oil ignited combustion mode be electronic control unit ECU starts to spray diesel oil when piston approaches top dead center by programming Control diesel injector 7, then oil sprayer 5 starts to spray methyl alcohol, namely continue to spray into methyl alcohol in the process of diesel oil by compression ignite in cylinder, methyl alcohol is ignited on cylinder inner edge evaporation mixing limit;
In the above-described embodiment, the methanol fuel adopted is antiknock gasoline, also comprises alcohols, ethers, rock gas etc. or gasoline; The diesel fuel adopted is high-cetane fuel, also comprises F-T diesel oil, biodiesel or diesel oil; The electronic control unit ECU adopted sends fuel Injection Control signal to described fuel oil injector; The methanol fuel supply system adopted and diesel fuel supply system are that separate resistant material is formed; The pressure regulator of the methanol fuel supply system adopted is by the fuel pressure in oil circuit control, realizes the change of main fuel injection rate.
Below in conjunction with accompanying drawing, concrete mode of execution of the present invention is made further instructions.
As shown in Figure 1, implement a kind of Methanol/Diesel Dual Fuel diesel engine fuel oil supplying method, first be implement Methanol/Diesel Dual Fuel Fuel Feeding System for Diesel Engine of the present invention system, this system includes oil circuit, methanol fuel tank 1, methanol fuel oil pump 2, methanol fuel filter cleaner 3, methyl alcohol oil sprayer 5, diesel fuel fuel tank 10, diesel fuel filter 9, diesel fuel oil pump 8, diesel injector 7 and electronic control unit ECU.
As shown in Figure 2, methanol fuel supply system of the present invention includes oil circuit, methanol fuel tank 1, methanol fuel oil pump 2, methanol fuel filter cleaner 3, methyl alcohol oil sprayer 5, methanol fuel oil rail 16 and methanol fuel pressure regulator 15.
As shown in Figure 3, diesel fuel supply system of the present invention, comprising: diesel fuel fuel tank 10, diesel fuel filter 9, diesel injector 7, draw rod positions sensor 20, high-pressure oil pipe 23, low pressure fuel pipe 17, return tube 24, pressure-limit valve 22, diesel fuel oil transfer pump 18, diesel fuel Injection Pump 21 and speed regulator 19.
Wherein: the oil circuit in methanol fuel supply system comprises oily rail 16 and oil sprayer 5, one end of oily rail 16 is connected with fuel oil output terminal, and the other end of oily rail 16 is connected with motor by oil sprayer 5.
Be not limited only to this for Methanol/Diesel Dual Fuel Engine, working procedure of the present invention set forth.Using methyl alcohol as main fuel, supplied by main fuel oil supply system, diesel oil, as secondary fuel, is supplied by secondary fuel oil supply system, and the present invention can be utilized to realize the similar combustion mode such as the diesel oil ignited and diesel oil ignited methyl alcohol diffusive combustion of methyl alcohol premixed gas.
In the diesel oil ignited combustion mode of methyl alcohol premixed gas, the working procedure of this method is that electronic control unit ECU receives the signal sent from sensors such as CAP sensor, engine rotation speed sensor and intake flow sensors, and it is carried out to the matching analysis, makes the injection strategies such as the emitted dose of main fuel, time for spraying, associated control signal is sent on oil sprayer 5 and 7, the injection of two kinds of fuel is accurately controlled; At the intake stroke initial stage, electronic control unit ECU gives an order and controls the in-cylinder injection that main fuel oil sprayer 5 carries out methyl alcohol, the hot environment in engine cylinder is utilized to form the premixed gas of methyl alcohol in cylinder, when piston approaches top dead center, electronic control unit ECU gives an order to secondary fuel oil sprayer 7 and controls the time for spraying of diesel oil and injection pulse width, subsequently diesel oil in a combustion chamber by compression ignite and the multiple spot causing methyl alcohol premixed gas wherein catch fire, namely achieve the diesel oil ignited combustion mode of methyl alcohol premixed gas.This kind of premix pilot combustion pattern realized in cylinder compared with the mode of direct injection diesel in intake port injection methanol cylinder can better realize methyl alcohol mixed airflow field characteristic control, the higher thermal efficiency can be realized, reduce NO
xand carbon smoke exhaust, but HC and CO discharge is risen more.
In diesel oil ignited methyl alcohol diffusion combustion mode, to be electronic control unit ECU start to spray diesel oil when piston approaches top dead center by programming Control diesel injector 7 for the working procedure of this method, following closely, oil sprayer 5 starts to spray methyl alcohol, namely continue to spray into methyl alcohol in the process of diesel oil by compression ignite in cylinder, methyl alcohol is ignited on cylinder inner edge evaporation mixing limit.The thermal efficiency of this combustion mode comparatively goes up the low of a combustion mode, but the increasing degree of HC and CO discharge is less.
In a kind of Methanol/Diesel Dual Fuel diesel engine fuel oil supplying method that the invention described above year provides, the dual-fuel duel fuel injector fuel oil supply system adopted can use in motor car engine, also can use in the large-scale diesel engine of engineering machinery.Oil pipe in the methanol fuel supply system adopted in the method is made up of resistant material, therefore in this method, methanol fuel can adopt the fuel such as coal-based alcohols, ethers; And diesel fuel is except adopting conventional petrifaction diesel, the F-T diesel oil that DCL/Direct coal liquefaction can also be adopted to synthesize, the biodiesel etc. be made up of andvegetable fats or waste grease etc.; Use the high-efficiency cleaning of the coal-based substitute fuel of propelling that the duel fuel engine of this method can be strong etc. to utilize, and reduce the discharge of conventional engine, the energy-saving and emission-reduction realizing internal-combustion engine industry are of great importance
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, under the prerequisite not departing from this method design, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (6)
1. a Methanol/Diesel Dual Fuel diesel engine fuel oil supplying method, method described in it is by methanol fuel supply system and diesel fuel supply system, by electronic control unit ECU by combustion mode diesel oil ignited for methyl alcohol premixed gas, realize dual-fuel diesel engine fuel delivery;
Described methanol fuel supply system is that the methanol fuel oil of methanol fuel tank [1] is pumped into methanol fuel oil rail [16] through methanol fuel filter cleaner [3] and pressure regulator [15] by methanol fuel pump [2], and the rear methyl alcohol oil sprayer [5] by methanol fuel oil rail [16] sprays into cylinder body [4] and carries out work by combustion;
Described diesel fuel supply system is that the diesel fuel oil of diesel tank [10] is pumped into diesel fuel oil rail [16] through diesel fuel filter [9] and pressure regulator [15] by diesel fuel pump [8], and the rear diesel injector [7] by diesel fuel oil rail [16] sprays into cylinder body [4] and carries out work by combustion;
The diesel oil ignited combustion mode of described methyl alcohol premixed gas is that electronic control unit ECU receives the signal sent from CAP sensor, engine rotation speed sensor and intake flow sensor, and the matching analysis is carried out to its signal, provide methanol fuel emitted dose, after control signal is sent to methyl alcohol oil sprayer [5] and diesel injector [7]; At the intake stroke initial stage, electronic control unit ECU gives an order and controls the in-cylinder injection that methyl alcohol oil sprayer [5] carries out methyl alcohol, and form the premixed gas of methyl alcohol in cylinder, when piston approaches top dead center, electronic control unit ECU gives an order to diesel injector [7] and controls the time for spraying of diesel oil and injection pulse width, subsequently diesel oil in a combustion chamber by compression ignite and the multiple spot causing methyl alcohol premixed gas wherein catch fire, namely realize the diesel oil ignited combustion mode of methyl alcohol premixed gas;
To be electronic control unit ECU start to spray diesel oil when piston approaches top dead center by programming Control diesel injector [7] described diesel oil ignited combustion mode, then oil sprayer [5] starts to spray methyl alcohol, namely continue to spray into methyl alcohol in the process of diesel oil by compression ignite in cylinder, methyl alcohol is ignited on cylinder inner edge evaporation mixing limit.
2. the method according to claims 1, described methanol fuel is antiknock gasoline, comprises alcohols, ethers, rock gas or gasoline.
3. the method according to claims 1, described diesel fuel is high-cetane fuel, comprises F-T diesel oil, biodiesel or diesel oil.
4. the method according to claims 1, described electronic control unit ECU sends fuel Injection Control signal to described fuel oil injector.
5. the method according to claims 1, described methanol fuel supply system and diesel fuel supply system are that separate resistant material is formed.
6. the method according to claims 1, the pressure regulator of described methanol fuel supply system is the fuel pressure in oil circuit control, realizes the change of methanol fuel injection rate.
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Cited By (13)
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| CN106968809A (en) * | 2017-04-27 | 2017-07-21 | 武汉科技大学 | A kind of method for controlling combustion of the double direct-injection internal combustion engines of double fuel |
| CN107677481A (en) * | 2017-10-17 | 2018-02-09 | 天津大学 | The device and method of soot development law in tactful cylinder is sprayed after test six-cylinder diesel engine |
| CN108035813A (en) * | 2017-11-28 | 2018-05-15 | 天津大学 | A kind of integrated injection system for accurately controlling the instantaneous mixing proportion of double fuel |
| CN110454289A (en) * | 2019-08-09 | 2019-11-15 | 天津大学 | A kind of diesel locomotive engine diesel oil methanol bifuel system and method |
| CN110529310A (en) * | 2019-09-24 | 2019-12-03 | 西华大学 | A kind of high-melting fat fatty acid methyl esters or ethyl ester oil supply system |
| CN112112729A (en) * | 2020-08-28 | 2020-12-22 | 江苏大学 | Variable air inlet tumble flow device of direct injection engine in dual-fuel cylinder |
| CN112459911A (en) * | 2020-11-26 | 2021-03-09 | 中船动力研究院有限公司 | Combustion method of double fuel machines |
| CN112796894A (en) * | 2020-12-21 | 2021-05-14 | 中国船舶重工集团公司第七一一研究所 | Dual-fuel system and method |
| CN112895919A (en) * | 2020-06-12 | 2021-06-04 | 太原理工大学 | Methanol range extender applied to electric automobile |
| CN113374575A (en) * | 2021-07-01 | 2021-09-10 | 太原理工大学 | Dual-fuel intelligent combustion system and control method thereof |
| CN114198214A (en) * | 2021-12-15 | 2022-03-18 | 北油电控燃油喷射系统(天津)有限公司 | Control method of interactive combustion-supporting dual-fuel internal combustion engine injection system |
| US11773792B1 (en) | 2022-12-01 | 2023-10-03 | Caterpillar Inc. | Multi-fuel injection system and injector |
| WO2024120116A1 (en) * | 2022-12-07 | 2024-06-13 | 中国船舶集团有限公司第七一一研究所 | Marine engine control method, system, and readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106968809A (en) * | 2017-04-27 | 2017-07-21 | 武汉科技大学 | A kind of method for controlling combustion of the double direct-injection internal combustion engines of double fuel |
| CN107677481A (en) * | 2017-10-17 | 2018-02-09 | 天津大学 | The device and method of soot development law in tactful cylinder is sprayed after test six-cylinder diesel engine |
| CN108035813A (en) * | 2017-11-28 | 2018-05-15 | 天津大学 | A kind of integrated injection system for accurately controlling the instantaneous mixing proportion of double fuel |
| CN110454289A (en) * | 2019-08-09 | 2019-11-15 | 天津大学 | A kind of diesel locomotive engine diesel oil methanol bifuel system and method |
| CN110529310A (en) * | 2019-09-24 | 2019-12-03 | 西华大学 | A kind of high-melting fat fatty acid methyl esters or ethyl ester oil supply system |
| CN110529310B (en) * | 2019-09-24 | 2024-04-02 | 西华大学 | High-melting-point fatty acid methyl ester or ethyl ester oil supply system |
| CN112895919A (en) * | 2020-06-12 | 2021-06-04 | 太原理工大学 | Methanol range extender applied to electric automobile |
| CN112112729B (en) * | 2020-08-28 | 2021-10-12 | 江苏大学 | Variable air inlet tumble flow device of direct injection engine in dual-fuel cylinder |
| CN112112729A (en) * | 2020-08-28 | 2020-12-22 | 江苏大学 | Variable air inlet tumble flow device of direct injection engine in dual-fuel cylinder |
| CN112459911A (en) * | 2020-11-26 | 2021-03-09 | 中船动力研究院有限公司 | Combustion method of double fuel machines |
| CN112796894A (en) * | 2020-12-21 | 2021-05-14 | 中国船舶重工集团公司第七一一研究所 | Dual-fuel system and method |
| CN113374575A (en) * | 2021-07-01 | 2021-09-10 | 太原理工大学 | Dual-fuel intelligent combustion system and control method thereof |
| WO2023274184A1 (en) * | 2021-07-01 | 2023-01-05 | 太原理工大学 | Dual-fuel intelligent combustion system and control method therefor |
| CN113374575B (en) * | 2021-07-01 | 2024-02-02 | 太原理工大学 | Dual-fuel intelligent combustion system and control method thereof |
| GB2623473A (en) * | 2021-07-01 | 2024-04-17 | Univ Taiyuan Technology | Dual-fuel intelligent combustion system and control method therefor |
| CN114198214A (en) * | 2021-12-15 | 2022-03-18 | 北油电控燃油喷射系统(天津)有限公司 | Control method of interactive combustion-supporting dual-fuel internal combustion engine injection system |
| CN114198214B (en) * | 2021-12-15 | 2024-05-10 | 北油电控燃油喷射系统(天津)有限公司 | Control method for injection system of interactive combustion-supporting dual-fuel internal combustion engine |
| US11773792B1 (en) | 2022-12-01 | 2023-10-03 | Caterpillar Inc. | Multi-fuel injection system and injector |
| WO2024120116A1 (en) * | 2022-12-07 | 2024-06-13 | 中国船舶集团有限公司第七一一研究所 | Marine engine control method, system, and readable storage medium |
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