CN114439608A - Water circulation in-cylinder water spray hydrogen internal combustion engine and automobile - Google Patents
Water circulation in-cylinder water spray hydrogen internal combustion engine and automobile Download PDFInfo
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- CN114439608A CN114439608A CN202210059865.XA CN202210059865A CN114439608A CN 114439608 A CN114439608 A CN 114439608A CN 202210059865 A CN202210059865 A CN 202210059865A CN 114439608 A CN114439608 A CN 114439608A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
- F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0206—Non-hydrocarbon fuels, e.g. hydrogen, ammonia or carbon monoxide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/0221—Details of the water supply system, e.g. pumps or arrangement of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/0221—Details of the water supply system, e.g. pumps or arrangement of valves
- F02M25/0224—Water treatment or cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/025—Adding water
- F02M25/03—Adding water into the cylinder or the pre-combustion chamber
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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
Abstract
The invention relates to a water-spraying hydrogen internal combustion engine in a water circulation cylinder, which comprises a hydrogen supply assembly, an air inlet assembly, an air cylinder, an air inlet channel, an exhaust manifold, an exhaust pipe, a condenser, a water spraying mechanism and a water circulation assembly, wherein the output end of the hydrogen supply assembly is communicated with the air inlet channel; the output end of the air inlet assembly is communicated with the air inlet channel; the inlet of the cylinder is communicated with the air inlet channel, the outlet of the cylinder is communicated with the inlet of the exhaust manifold, the outlet of the exhaust manifold is communicated with the inlet of the exhaust pipe, and the condenser is arranged on the exhaust pipe; the water spraying mechanism is used for spraying water into the cylinder and is arranged in the cylinder; the water circulation assembly is used for collecting water of gas discharged by the air cylinder and supplying water for the water spraying mechanism, the water inlet end of the water circulation assembly is communicated with the condenser, and the water outlet end of the water circulation assembly is communicated with the water inlet end of the water spraying mechanism. Compared with the prior art, the invention has the advantages of improving the dynamic property of reducing the hydrogen internal combustion engine, reducing the emission of nitrogen oxides, protecting the environment, being economical and the like.
Description
Technical Field
The invention relates to the field of hydrogen internal combustion engines, in particular to a hydrogen internal combustion engine capable of spraying water in a water circulation cylinder and an automobile.
Background
The hydrogen energy source as the vehicle power energy source has great significance for improving the energy supply structure and developing low-carbon traffic. At present, the development of hydrogen energy for vehicles focuses on hydrogen fuel cells, but the fuel cells are expensive and have higher requirements on the purity of hydrogen. The hydrogen internal combustion engine has less technical difficulty and lower cost than a hydrogen fuel cell, and can apply hydrogen energy more quickly and economically.
Hydrogen has good combustion characteristics as a fuel for internal combustion engines, has a higher calorific value and lower ignition energy than gasoline, and is favorable for realizing lean combustion because of a wide combustible limit of hydrogen. The spontaneous combustion temperature of the hydrogen is higher, and the process index of the engine is increased during lean combustion, so that the thermal efficiency is improved. However, the output torque of the hydrogen engine is greatly reduced compared with that of the gasoline engine due to the low charging efficiency of the hydrogen engine and the large gas constant of the mixture; in addition, the high temperatures generated during the combustion of hydrogen also result in NO due to the presence of nitrogenxAnd (4) generating.
Existing mature aftertreatment technology can be used to reduce NO for hydrogen internal combustion enginesxDischarging; can also be controlled by controlling NOxCan make the automobile exhaust NOxThe emission directly reaches the standard, for example, in a zero-nitrogen engine based on water injection control pressure rise rate oxygen closed cycle and a control method thereof disclosed in the chinese patent CN109707505B, pure oxygen combustion is adopted, the scheme can realize zero-nitrogen emission, but the preparation cost of oxygen is high, and on the other hand, the cost is increased, which is not beneficial to the industrialized development.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an internal combustion engine and an automobile with water-spraying hydrogen in a water circulation cylinder.
The purpose of the invention can be realized by the following technical scheme:
on one hand, the invention provides a water-circulation in-cylinder water-spraying hydrogen internal combustion engine, which comprises a hydrogen supply assembly, an air inlet assembly, an air cylinder, an air inlet channel, an exhaust manifold, an exhaust pipe, a condenser, a water spraying mechanism and a water circulation assembly,
the hydrogen supply assembly is used for supplying hydrogen to the cylinder, and the output end of the hydrogen supply assembly is communicated with the air inlet channel;
the air inlet assembly is used for providing air for the air cylinder, and the output end of the air inlet assembly is communicated with the air inlet channel;
the inlet of the cylinder is communicated with the air inlet channel, hydrogen provided by the hydrogen supply assembly and air provided by the air inlet assembly are mixed in the air inlet channel to form mixed gas, the mixed gas enters the cylinder, the outlet of the cylinder is communicated with the inlet of the exhaust manifold, the outlet of the exhaust manifold is communicated with the inlet of the exhaust pipe, and the condenser is arranged on the exhaust pipe;
the water spraying mechanism is used for spraying water into the cylinder and is arranged in the cylinder;
the water circulation assembly is used for collecting water of gas discharged by the air cylinder and supplying water for the water spraying mechanism, the water inlet end of the water circulation assembly is communicated with the condenser, and the water outlet end of the water circulation assembly is communicated with the water inlet end of the water spraying mechanism.
Preferably, the water injection mechanism injects water into the cylinder during a compression stroke or an intake stroke of the hydrogen internal combustion engine.
Preferably, the water circulation assembly comprises a water tank and a water pump which are sequentially connected through a pipeline, the water inlet end of the water tank is communicated with the water outlet of the condenser through the pipeline, and the water outlet end of the water pump is communicated with the water inlet end of the water spraying mechanism through the pipeline.
Preferably, the water circulation assembly further comprises a front filter and a rear filter, the front filter is arranged on a pipeline between the water tank and the condenser, and the rear filter is arranged on a pipeline between the water tank and the water pump.
Preferably, the water spraying mechanism comprises a high-pressure water rail and a plurality of water sprayers, a water inlet of the high-pressure water rail is communicated with a water outlet end of the water circulation assembly, and the water sprayers are arranged on the high-pressure water rail.
Preferably, the hydrogen supply assembly comprises a hydrogen storage tank and a hydrogen conveying pipe, a plurality of hydrogen injectors are arranged on the air inlet channel, an inlet of the hydrogen conveying pipe is communicated with the hydrogen storage tank, and an outlet of the hydrogen conveying pipe is communicated with the hydrogen injectors.
Preferably, the hydrogen injector injects gaseous hydrogen or liquid hydrogen.
Preferably, the air intake component is a natural suction air intake system or a supercharging air intake system.
In another aspect, the present invention provides an automobile comprising the above-described water-circulating in-cylinder water-injection hydrogen internal combustion engine.
Compared with the prior art, the invention has the following advantages:
1) the internal combustion engine realizes water spraying and cooling in the cylinder of the hydrogen internal combustion engine based on the water circulation component, can reduce the combustion temperature and the combustion rate of hydrogen, can reduce the emission of nitrogen oxides of the hydrogen internal combustion engine on one hand, and does not need to adopt pure oxygen as an oxidant to realize zero nitrogen emission, thereby reducing the cost and being beneficial to the industrialized development; on the other hand, when the hydrogen internal combustion engine runs at full load or heavy load, the water injection temperature reduction in the cylinder can inhibit rough combustion, so that the hydrogen-air ratio can be enlarged, the charging efficiency can be improved, and the output torque can be improved;
2) the invention condenses and recovers the water vapor in the waste gas based on the water circulation component, realizes the cyclic utilization of the water generated after the hydrogen is combusted, is more environment-friendly, convenient and economical, and avoids the frequent water addition of the water tank.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the system comprises a cylinder, 2, an air inlet channel, 3, an exhaust manifold, 4, a hydrogen storage tank, 5, a hydrogen conveying pipe, 6, a hydrogen injector, 7, an air inlet system, 8, a water tank, 9, a front filter, 10, a rear filter, 11, a water pump, 12, a high-pressure water rail, 13, a water sprayer, 14, an exhaust pipe, 15, a condenser, 16 and a water return pipe.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. Note that the following description of the embodiment is merely a substantial example, and the present invention is not intended to be limited to the application or the use thereof, and is not limited to the following embodiment.
Examples
A water-spraying hydrogen internal combustion engine in a water circulation cylinder is shown in figure 1 and comprises a hydrogen supply assembly, an air inlet assembly, an air cylinder 1, an air inlet channel 2, an exhaust manifold 3, an exhaust pipe 14, a condenser 15, a water spraying mechanism and a water circulation assembly.
Specifically, for the structure of the cylinder 1, an inlet of the cylinder 1 is communicated with the air inlet channel 2, an outlet of the cylinder 1 is communicated with an inlet of the exhaust manifold 3, an outlet of the exhaust manifold 3 is communicated with an inlet of the exhaust pipe 14, the condenser 15 is arranged on the exhaust pipe 14, the water spraying mechanism is arranged in the cylinder 1 and comprises a high-pressure water rail 12 and a plurality of water sprayers 13, a water inlet of the high-pressure water rail 12 is communicated with a water outlet end of the water circulation component, the water sprayers 13 are arranged on the high-pressure water rail 12, and the water spraying mechanism is used for spraying water into the cylinder 1 and spraying water into the cylinder 1 in a compression stroke or an intake stroke of the hydrogen internal combustion engine.
In addition, as for the structures of the hydrogen supply module and the air intake module: the output and the 2 intercommunication in intake duct of hydrogen supply subassembly for cylinder 1 provides hydrogen, the output and the 2 intercommunication in intake duct of the subassembly that admit air of subassembly are used for providing the air for cylinder 1, and the hydrogen that supplies the subassembly to provide forms the gas mixture after mixing in intake duct 2 with the air that the subassembly provided that admits air and gets into cylinder 1.
In this embodiment, the hydrogen supply subassembly includes hydrogen storage tank 4, hydrogen conveying pipe 5, is equipped with a plurality of hydrogen injectors 6 on the intake duct 2, and the import and the hydrogen storage tank 4 intercommunication of hydrogen conveying pipe 5, the export and the hydrogen injector 6 intercommunication of hydrogen conveying pipe 5 supply the subassembly to pass through 6 blowout gaseous hydrogen or liquid hydrogen of hydrogen injector. The air inlet component is a natural air suction air inlet system 7 or a supercharging air inlet system 7.
The water circulation assembly is used for collecting water of gas discharged by the air cylinder 1 and supplying water for the water spraying mechanism, the water inlet end of the water circulation assembly is communicated with the condenser 15, and the water outlet end of the water circulation assembly is communicated with the water inlet end of the water spraying mechanism.
In order to realize the functions of collecting condensed water and supplying water for the water spraying mechanism, the water circulation assembly comprises a front filter 9, a water tank 8, a rear filter 10 and a water pump 11 which are sequentially connected through a pipeline, wherein the water inlet end of the water tank 8 is communicated with the water outlet of a condenser 15 through the pipeline, the water outlet end of the water pump 11 is communicated with the water inlet end of the water spraying mechanism and the water inlet of a high-pressure water rail 12 through the pipeline, the front filter 9 is arranged on the pipeline between the water tank 8 and the condenser 15, and the rear filter 10 is arranged on the pipeline between the water tank 8 and the water pump 11.
When the device is used, fresh air is pumped into the air inlet component in a natural air suction or pressurization mode, and hydrogen is sprayed into the air inlet channel 2 from the hydrogen storage tank 4 through the hydrogen conveying pipe 5 and the hydrogen injector 6 arranged on the air inlet channel 2. The hydrogen is mixed with fresh air in the intake passage 2, and the mixture is introduced into the cylinder 1 during the intake stroke.
The water spraying mechanism arranged on the cylinder 1 sprays water in the water tank 8 into the cylinder 1 through the high-pressure water rail 12 and the water sprayer 13 during a compression stroke or an intake stroke, the water mist is quickly evaporated in the cylinder 1, and the temperature of a working medium in the cylinder is reduced by utilizing the evaporation heat absorption effect of liquid. When the hydrogen internal combustion engine is operated at low load, the in-cylinder water injection reduces the combustion temperature and combustion rate of the hydrogen, thereby reducing NOxAnd (5) discharging. In one aspect, the reduction in combustion temperature can result in NOxThe emission is reduced; on the other hand, when the mixed gas having an excess air ratio of 2.0 or more and 2.0 or more is used, NO is containedxThe emissions can be reduced to a considerably low level. Therefore, under the action of the two factors, NO under the low-load working conditionxEmissions can be significantly reduced. When the hydrogen internal combustion engine runs at full load or heavy load, the water injection in the cylinder reduces the combustion temperature and combustion rate of the hydrogen, inhibits rough combustion, can combust more hydrogen and enlarge the hydrogen-air ratio, thereby improving the output torque of the hydrogen internal combustion engine, and simultaneously reducing the combustion temperature can reduce NOxAnd (5) discharging.
The hydrogen and the air are ignited and combusted by a spark plug in the cylinder 1 to generate water and nitrogen oxides; meanwhile, because the air contains a large amount of nitrogen, the combustion temperature is high enough to oxidize the nitrogen, thereby generating nitrogen oxides. The waste gas generated by combustion is collected into an exhaust pipe 1414 through an exhaust manifold 3, the waste gas condenses the contained water vapor through a condenser 15, the collected liquid water enters a water tank 8 after being coarsely filtered through a pre-filter 9 through a pipeline, the water in the water tank 8 is filtered again through a post-filter 10, the water is pumped into a high-pressure water rail 12 through a water pump 11 and then is sprayed into the cylinder 1 of the internal combustion engine, and therefore the water generated by combustion is recycled through a waterway of the engine. Other combustion products in the exhaust continue to be exhausted through exhaust pipe 1414 after passing through condenser 15.
The invention can also be combined with an EGR waste gas recirculation system, and partial waste gas is sent into the air inlet channel 2 to enter the cylinder 1 again to reduceLow NO contentxThe amount of production of (c).
The water spraying time of the water spraying mechanism can be in the air inlet stroke or the compression stroke, and in the embodiment, the later stage of the compression stroke is adopted, namely the piston runs to a crank angle of 0-90 degrees before the top dead center.
In addition, the embodiment of the invention also provides an automobile which comprises the water circulation in-cylinder water injection hydrogen internal combustion engine.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.
Claims (9)
1. A water-spraying hydrogen internal combustion engine in a water circulation cylinder is characterized by comprising a hydrogen supply assembly, an air inlet assembly, an air cylinder (1), an air inlet channel (2), an exhaust manifold (3), an exhaust pipe (14), a condenser (15), a water spraying mechanism and a water circulation assembly,
the hydrogen supply assembly is used for supplying hydrogen to the cylinder (1), and the output end of the hydrogen supply assembly is communicated with the air inlet channel (2);
the air inlet assembly is used for providing air for the air cylinder (1), and the output end of the air inlet assembly is communicated with the air inlet channel (2);
the inlet of the cylinder (1) is communicated with the air inlet channel (2), hydrogen provided by the hydrogen supply assembly and air provided by the air inlet assembly are mixed in the air inlet channel (2) to form mixed gas to enter the cylinder (1), the outlet of the cylinder (1) is communicated with the inlet of the exhaust manifold (3), the outlet of the exhaust manifold (3) is communicated with the inlet of the exhaust pipe (14), and the condenser (15) is arranged on the exhaust pipe (14);
the water spraying mechanism is used for spraying water into the air cylinder (1), and is arranged in the air cylinder (1);
the water circulation assembly is used for collecting water of gas discharged by the air cylinder (1) and supplying water for the water spraying mechanism, the water inlet end of the water circulation assembly is communicated with the condenser (15), and the water outlet end of the water circulation assembly is communicated with the water inlet end of the water spraying mechanism.
2. A water-circulated, in-cylinder water-injected hydrogen internal combustion engine as claimed in claim 1, wherein the water injection mechanism injects water into the cylinder (1) during a compression stroke or an intake stroke of the hydrogen internal combustion engine.
3. The water-circulating in-cylinder water-spraying hydrogen internal combustion engine as claimed in claim 1, wherein the water-circulating assembly comprises a water tank (8) and a water pump (11) which are sequentially connected through a pipeline, the water inlet end of the water tank (8) is communicated with the water outlet of a condenser (15) through a pipeline, and the water outlet end of the water pump (11) is communicated with the water inlet end of a water-spraying mechanism through a pipeline.
4. A water-circulating in-cylinder water-spraying hydrogen internal combustion engine as claimed in claim 3, characterized in that the water-circulating assembly further comprises a front filter (9) and a rear filter (10), the front filter (9) is arranged on the pipeline between the water tank (8) and the condenser (15), and the rear filter (10) is arranged on the pipeline between the water tank (8) and the water pump (11).
5. An internal combustion engine with water circulation and in-cylinder water injection of hydrogen as in claim 1, characterized in that said water injection mechanism comprises a high pressure water rail (12) and a plurality of water injectors (13), the water inlet of said high pressure water rail (12) is connected to the water outlet of the water circulation assembly, said water injectors (13) are disposed on the high pressure water rail (12).
6. The water circulation in-cylinder water spray hydrogen internal combustion engine according to claim 1, wherein the hydrogen supply assembly comprises a hydrogen storage tank (4) and a hydrogen delivery pipe (5), the air inlet channel (2) is provided with a plurality of hydrogen injectors (6), an inlet of the hydrogen delivery pipe (5) is communicated with the hydrogen storage tank (4), and an outlet of the hydrogen delivery pipe (5) is communicated with the hydrogen injectors (6).
7. A water-circulating, in-cylinder, water-injected hydrogen internal combustion engine as in claim 6, wherein the hydrogen injector (6) injects gaseous or liquid hydrogen.
8. A water-circulating, in-cylinder water-injected hydrogen internal combustion engine as in claim 1, characterized in that the air intake component is a naturally aspirated air intake system (7) or a supercharged air intake system (7).
9. An automobile comprising the water-circulated in-cylinder water-injected hydrogen internal combustion engine as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210059865.XA CN114439608A (en) | 2022-01-19 | 2022-01-19 | Water circulation in-cylinder water spray hydrogen internal combustion engine and automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210059865.XA CN114439608A (en) | 2022-01-19 | 2022-01-19 | Water circulation in-cylinder water spray hydrogen internal combustion engine and automobile |
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| CN114439608A true CN114439608A (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210059865.XA Pending CN114439608A (en) | 2022-01-19 | 2022-01-19 | Water circulation in-cylinder water spray hydrogen internal combustion engine and automobile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115419523A (en) * | 2022-08-29 | 2022-12-02 | 中南大学 | Hydrogen internal combustion engine control device based on controllable activity of mixed gas |
| EP4279732A1 (en) | 2022-05-18 | 2023-11-22 | FERRARI S.p.A. | Road vehicle provided with a hydrogen-powered internal combustion engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2476167C (en) * | 2004-08-12 | 2013-10-15 | Kazimierz S. Holubowicz | Fuel flexible internal explosion gun-engine that converts completely energy of fuel into work or electricity or both |
| CN107842420A (en) * | 2017-11-30 | 2018-03-27 | 青岛科技大学 | A kind of hydrogen internal combustion engine of new shifting cylinder water spray acting |
| CN107905917A (en) * | 2017-09-07 | 2018-04-13 | 同济大学 | The natural gas engine structure of the double injections of cold water mix inside and outside a kind of cylinder |
-
2022
- 2022-01-19 CN CN202210059865.XA patent/CN114439608A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2476167C (en) * | 2004-08-12 | 2013-10-15 | Kazimierz S. Holubowicz | Fuel flexible internal explosion gun-engine that converts completely energy of fuel into work or electricity or both |
| CN107905917A (en) * | 2017-09-07 | 2018-04-13 | 同济大学 | The natural gas engine structure of the double injections of cold water mix inside and outside a kind of cylinder |
| CN107842420A (en) * | 2017-11-30 | 2018-03-27 | 青岛科技大学 | A kind of hydrogen internal combustion engine of new shifting cylinder water spray acting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4279732A1 (en) | 2022-05-18 | 2023-11-22 | FERRARI S.p.A. | Road vehicle provided with a hydrogen-powered internal combustion engine |
| CN115419523A (en) * | 2022-08-29 | 2022-12-02 | 中南大学 | Hydrogen internal combustion engine control device based on controllable activity of mixed gas |
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