CN104454246A - Hydrogen oxygen engine - Google Patents
Hydrogen oxygen engine Download PDFInfo
- Publication number
- CN104454246A CN104454246A CN201410752018.7A CN201410752018A CN104454246A CN 104454246 A CN104454246 A CN 104454246A CN 201410752018 A CN201410752018 A CN 201410752018A CN 104454246 A CN104454246 A CN 104454246A
- Authority
- CN
- China
- Prior art keywords
- oxygen
- hydrogen
- supply pipeline
- supply valve
- water electrolysis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000001301 oxygen Substances 0.000 title claims abstract description 139
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 139
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 132
- 239000001257 hydrogen Substances 0.000 title claims abstract description 121
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 121
- 125000004435 hydrogen atom Chemical class [H]* 0.000 title 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 121
- 238000002156 mixing Methods 0.000 claims abstract description 36
- 239000007789 gas Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 238000004519 manufacturing process Methods 0.000 claims description 45
- 238000005868 electrolysis reaction Methods 0.000 claims description 35
- 238000001914 filtration Methods 0.000 claims description 28
- 238000003860 storage Methods 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 16
- 150000002431 hydrogen Chemical class 0.000 abstract description 7
- 238000003915 air pollution Methods 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention provides a hydrogen oxygen engine which comprises a combustion cavity and a mixing device. The combustion cavity is communicated with a hydrogen supply pipeline and an oxygen supply pipeline. The gas inlet pipe of the mixing device is respectively communicated with the oxygen supply pipeline and the oxygen supply pipeline. An gas outlet pipe is communicated with the combustion cavity. The hydrogen oxygen engine has the advantages that the problem that an existing hydrogen oxygen engine is long in starting time and insufficient in output power, the combustion rate of hydrogen and the combustion rate of the oxygen are increased at the same time, air pollution is reduced, energy conservation and environment protection are achieved, and fast and stable operation of the engine is guaranteed.
Description
Technical field
The present invention relates to the manufacturing technology field of motor, particularly relate to oxyhydrogen engine.
Background technique
Motor used in the market all adopts gasoline, the burning of diesel oil provides power, but due to burning chamber air and gasoline, diesel fuel ratio are uneven can not Thorough combustion, not only waste the energy but also can the harmful gas befouling environment such as carbon monoxide be produced.Hydrogen, as a kind of desirable fuel, not only can be produced by water, and combustion value is large, only produces water, do not pollute environment after burning.At present, oxyhydrogen engine is all generally hydrogen supply pipeline and oxygen supply pipeline are connected with the burning cavity of motor, hydrogen is mixed with oxygen in burning cavity, burns.Hydrogen and oxygen are not only difficult to mix in burning cavity, make hydrogen and oxygen combustion insufficient, cause the wasting of resources; And the mixing of hydrogen and oxygen needs the regular hour, cause oxyhydrogen engine can not immediately provide larger output power, make the starting time of oxyhydrogen engine long, not steady during startup.In addition, due to input hydrogen, oxygen ratio unreasonable, also can cause burning insufficient, cause the wasting of resources.
Summary of the invention
The object of this invention is to provide a kind of oxyhydrogen engine, solve the problem that existing oxyhydrogen engine combustion efficiency is low.
In order to achieve the above object, the invention provides following technological scheme:
Oxyhydrogen engine, comprises, burning cavity; Described burning cavity and hydrogen supply pipeline and oxygen supply pipeline connection, is characterized in that, also comprise, mixing arrangement; The suction tude of described mixing arrangement respectively with described hydrogen supply pipeline and oxygen supply pipeline connection, steam outlet pipe is communicated with described burning cavity.
In a preferred embodiment, also comprise, water electrolysis hydrogen production oxygen device; The oxygen output tube of described water electrolysis hydrogen production oxygen device and described oxygen supply pipeline connection, hydrogen output tube is communicated with described hydrogen supply pipeline.
In a preferred embodiment, also comprise, water storage filtering device; The water pipe of described water storage filtering device is communicated with the intake pipe of described water electrolysis hydrogen production oxygen device.
In a preferred embodiment, the sink of described water electrolysis hydrogen production oxygen device is oily sink.
In a preferred embodiment, the power supply of described water electrolysis hydrogen production oxygen device is oxyhydrogen fuel cell.
In a preferred embodiment, also comprise, filter screen; Offer in described hydrogen supply pipeline in filtering cavity and/or oxygen supply pipeline and offer filtering cavity, described filter screen is assemblied in described filtering cavity.
In a preferred embodiment, also comprise, hydrogen gas concentration sensor and oxygen concentration sensor and hydrogen manufacturing oxygen controller; Described hydrogen gas concentration sensor and oxygen concentration sensor are fixed in the mixing chamber of described mixing arrangement, output terminal is connected with the input end of described hydrogen manufacturing oxygen controller, current hydrogen-oxygen concentration value is sent to described hydrogen manufacturing oxygen controller, the output terminal of described hydrogen manufacturing oxygen controller is connected with described water electrolysis hydrogen production oxygen device, when described current hydrogen-oxygen concentration value is lower than setting value, then described water electrolysis hydrogen production oxygen device is driven to start.
In a preferred embodiment, in described hydrogen supply pipeline, hydrogen supply pipeline is set hydrogen steam supply valve is set, in described oxygen supply pipeline, oxygen supply pipeline is set oxygen steam supply valve is set; Mixed gas steam supply valve is set in the steam outlet pipe of described mixing arrangement.
In a preferred embodiment, start for airgun controller; Described startup is connected with the actuating signal line of car internal bus for the input end of airgun controller, and receive actuating signal, output terminal is connected with described hydrogen steam supply valve, oxygen steam supply valve and mixed gas steam supply valve; Judge whether to receive described actuating signal, if, described mixed gas steam supply valve is then driven to open, by the steam outlet pipe of mixing arrangement to described burning cavity air feed, if not, described hydrogen steam supply valve, oxygen steam supply valve is then driven to open, by hydrogen supply pipeline and oxygen supply pipeline to described burning cavity air feed.
Beneficial effect of the present invention is: hydrogen, oxygen enter burning cavity after mixing in mixing arrangement again, make hydrogen and oxygen can in burning cavity Thorough combustion, and provide sufficient output power, make to start function to start fast, stably.Meanwhile, in hydrogen supply pipeline and/or oxygen supply pipeline, offer filtrating equipment, by filterings such as the solid dust in hydrogen and oxygen, microorganism, steam, improve the combustion efficiency of motor, and extend the working life of motor.Oxyhydrogen engine provided by the invention, installs simple, failure rate is low, and joint source environmental protection, ensures motor rapidity, smooth running.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is in one embodiment of the present invention, the structural representation of oxyhydrogen engine;
Fig. 2 is in another embodiment of the invention, the structural representation of oxyhydrogen engine;
Fig. 3 is in another mode of execution of the present invention, the structural representation of oxyhydrogen engine;
Fig. 4 is in another mode of execution of the present invention, the structural representation of oxyhydrogen engine;
Fig. 5 is in another mode of execution of the present invention, the control schematic diagram of oxyhydrogen engine;
Fig. 6 is in another mode of execution of the present invention, the control schematic diagram of oxyhydrogen engine.
Embodiment
Below in conjunction with accompanying drawing of the present invention, be clearly and completely described technological scheme of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The oxyhydrogen engine provided in one embodiment of the present invention, as shown in Figure 1, comprises, burning cavity 10, hydrogen air feeder 51 and oxygen air feeder 52.The hydrogen supply pipeline 31 of hydrogen air feeder 51 is communicated with the suction port 11 of burning cavity 10, and the oxygen supply pipeline 32 of oxygen air feeder 52 is communicated with the suction port 12 of burning cavity 10, provides hydrogen and oxygen respectively in burning cavity 10.In order to improve rate of combustion, reduce the starting time of motor, oxyhydrogen engine provided by the invention also comprises mixing arrangement 20.Now, the hydrogen supply pipeline 33 of hydrogen air feeder 51 is communicated with the suction tude 21 of mixing arrangement 20, and the oxygen supply pipeline 34 of oxygen air feeder 52 is communicated with the suction tude 22 of mixing arrangement 20.Hydrogen enters mixing arrangement 20 by hydrogen supply pipeline 33, and oxygen enters mixing arrangement 20 by oxygen supply pipeline 34, and hydrogen, oxygen mix in mixing arrangement 20.The steam outlet pipe 23 of mixing arrangement 20 is communicated with the suction port 13 of burning cavity 10.Mixed gas flows through mixed gas air supply pipe 24 through the steam outlet pipe 23 of mixing arrangement 20 and flows into burning cavity 20.In burning cavity 10, through sparking, burning, thus promotion piston 14 moves fast, and motor is started fast.The setting of burning cavity 10, can also prevent hydrogen and oxygen tempering phenomenon.
In order to solve the problem of hydrogen air feeder 51 and oxygen air feeder 52 confession unsaturated vapor, the oxyhydrogen engine provided in another embodiment of the invention, also comprises water electrolysis hydrogen production oxygen device 30, as shown in Figure 2.Water electrolysis hydrogen production oxygen device 30 can by brine electrolysis for oxyhydrogen engine provides oxygen required for burning and hydrogen, thus solves hydrogen air feeder 51 and oxygen air feeder 52 problem for unsaturated vapor.The power supply 304 of water electrolysis hydrogen production oxygen device 30 is oxyhydrogen fuel cell.The hydrogen output tube 301 of water electrolysis hydrogen production oxygen device 30 is communicated with hydrogen supply pipeline 33, and oxygen output tube 302 is communicated with oxygen supply pipeline 34.The hydrogen flow that electrolysis obtains, through hydrogen output tube 301, hydrogen supply pipeline 33, enters mixing arrangement 20 from suction tude 21, and Oxygen Flow enters mixing arrangement 20 through oxygen output tube 302, oxygen supply pipeline 34 from the suction tude 22 of mixing arrangement 20.Thus, oxygen and hydrogen are mixed.In order to improve efficiency and the purity of water electrolysis hydrogen production oxygen, in one embodiment of the present invention, also comprise water storage filtering device 40.The intake pipe 303 of water electrolysis hydrogen production oxygen device 30 is communicated with the water pipe 401 of water storage filtering device 40.Water flows into water electrolysis hydrogen production oxygen device 30 after water storage filtering device 40 filters, and the water after filtration carries out electrolysis in water electrolysis hydrogen production oxygen device 30, obtains hydrogen and oxygen.Water storage filtering device 40 by the contaminant filter in water out, prevents impurity from depositing in water electrolysis hydrogen production oxygen device 30, had both improve efficiency and the purity of water electrolysis hydrogen production oxygen, and improve the working life of water electrolysis hydrogen production oxygen device 30 simultaneously.In order to ensure that water electrolysis hydrogen production oxygen device 30 normally works, the inner chamber of water electrolysis hydrogen production oxygen device 30 is communicated with Circulation pipe sink 305.Thus prevent water electrolysis hydrogen production oxygen device 30 overheated for a long time and break down, ensure that water electrolysis hydrogen production oxygen device 30 normally works, reduce rate of fault, extend the working life of water electrolysis hydrogen production oxygen device 30.Sink 305 is oily sink, can also be water radiating device or air cooler.
In order to improve combustion efficiency, the factor such as impurity, humidity that reduces, on the impact of rate of combustion, in another mode of execution of the present invention, offers filtrating equipment, i.e. filtering cavity 61,61 in hydrogen supply pipeline 33 and/or oxygen supply pipeline 34.Filtrating equipment can be one or more.As shown in Figure 3, for arranging the situation of filtering cavity 61, filtering cavity 62 in hydrogen supply pipeline 33 and oxygen supply pipeline 34 respectively.In filtering cavity 61, filtering cavity 62, filter screen is set.The suction port 611 of filtering cavity 61 is communicated with hydrogen supply pipeline 33, the suction port 621 of filtering cavity 62 is communicated with oxygen supply pipeline 34, hydrogen and oxygen carrying out drying respectively in filtering cavity 61,62, simultaneously by filterings such as the solid dust in hydrogen and oxygen, microorganisms.Hydrogen after filtration and oxygen enter mixing arrangement 20 by the air outlet hole 612 of filtering cavity 61, the air outlet hole 622 of filtering cavity 62 and mix, then enter burning cavity 20.Thus, decrease the impurity in hydrogen and oxygen, improve the combustion efficiency of motor, extend oxyhydrogen engine working life, reduce the number of times to mixing arrangement and engine washing.
Ratio in order to avoid the mixing of hydrogen and oxygen is unreasonable and cause burning insufficient, the wasting of resources caused, in one embodiment of the present invention, also comprises, hydrogen gas concentration sensor 81 and oxygen concentration sensor 82 and hydrogen manufacturing oxygen controller 80, as shown in Fig. 3, Fig. 5.Hydrogen gas concentration sensor 81 and oxygen concentration sensor 82 are fixed in the mixing chamber of mixing arrangement 20.The output terminal of hydrogen gas concentration sensor 81 and oxygen concentration sensor 82 is connected with the input end of hydrogen manufacturing oxygen controller 80, and the output terminal of hydrogen manufacturing oxygen controller 80 is connected with water electrolysis hydrogen production oxygen device 30.Hydrogen gas concentration sensor 81 and oxygen concentration sensor 82 send current hydrogen-oxygen concentration value to hydrogen manufacturing oxygen controller 80, such as: current induction oxygen density value is 350g/m
3, density of hydrogen value is 42g/m
3, setting oxygen density value 400g/m
3, oxygen density value is 50g/m
3, when hydrogen-oxygen concentration value is lower than setting value, then drive water electrolysis hydrogen production oxygen device 30 to start, and the hydrogen-oxygen prepared is transported to mixing arrangement 20 mixes.Thus, the concentration of hydrogen and oxygen can be controlled at optimal proportion automatically according to the parameter arranged, improve combustion efficiency, decrease artificial manipulation, improve intellectuality.
Conveniently control the gas-entered passageway of the inflow burning cavity 10 of hydrogen and oxygen, at the oxyhydrogen engine that another mode of execution of the present invention provides, as shown in Fig. 4, Fig. 6, also comprise and starting for airgun controller 90, hydrogen steam supply valve 91, oxygen steam supply valve 92 and mixed gas steam supply valve 93.Hydrogen steam supply valve 91 is set in hydrogen supply pipeline 31, oxygen steam supply valve 92 is set in oxygen supply pipeline 32; In the steam outlet pipe 23 of mixing arrangement 20, mixed gas steam supply valve 93 is set.Start and be connected with the actuating signal line of car internal bus for the input end of airgun controller 90, receive actuating signal; Its output terminal is connected with hydrogen steam supply valve 91, oxygen steam supply valve 92 and mixed gas steam supply valve 93, as shown in Figure 6.Start and judge whether to receive actuating signal for airgun controller 90, if so, then drive mixed gas steam supply valve 93 to open, drive dynamic hydrogen steam supply valve 91, oxygen steam supply valve 92 cuts out, by the steam outlet pipe 23 of mixing arrangement 20 to burning cavity 10 air feed; If the actuating signal of not receiving, then drive hydrogen steam supply valve 91, oxygen steam supply valve 92 opens, drive mixed gas steam supply valve 93 to close, by hydrogen supply pipeline 31 and oxygen supply pipeline 32 to burning cavity 10 air feed.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (9)
1. oxyhydrogen engine, comprises, burning cavity; Described burning cavity and hydrogen supply pipeline and oxygen supply pipeline connection, is characterized in that, also comprise, mixing arrangement; The suction tude of described mixing arrangement respectively with described hydrogen supply pipeline and oxygen supply pipeline connection, steam outlet pipe is communicated with described burning cavity.
2. oxyhydrogen engine according to claim 1, is characterized in that, also comprises, water electrolysis hydrogen production oxygen device; The oxygen output tube of described water electrolysis hydrogen production oxygen device and described oxygen supply pipeline connection, hydrogen output tube is communicated with described hydrogen supply pipeline.
3. oxyhydrogen engine according to claim 2, is characterized in that, also comprises, water storage filtering device; The water pipe of described water storage filtering device is communicated with the intake pipe of described water electrolysis hydrogen production oxygen device.
4. oxyhydrogen engine according to claim 3, is characterized in that, the sink of described water electrolysis hydrogen production oxygen device is oily sink.
5. the oxyhydrogen engine according to claim 3 or 4, is characterized in that, the power supply of described water electrolysis hydrogen production oxygen device is oxyhydrogen fuel cell.
6. the oxyhydrogen engine according to claim 1 or 4, is characterized in that, also comprises, filter screen; Offer in described hydrogen supply pipeline in filtering cavity and/or oxygen supply pipeline and offer filtering cavity, described filter screen is assemblied in described filtering cavity.
7. oxyhydrogen engine according to claim 6, is characterized in that, also comprises, hydrogen gas concentration sensor and oxygen concentration sensor and hydrogen manufacturing oxygen controller; Described hydrogen gas concentration sensor and oxygen concentration sensor are fixed in the mixing chamber of described mixing arrangement, output terminal is connected with the input end of described hydrogen manufacturing oxygen controller, current hydrogen-oxygen concentration value is sent to described hydrogen manufacturing oxygen controller, the output terminal of described hydrogen manufacturing oxygen controller is connected with described water electrolysis hydrogen production oxygen device, when described current hydrogen-oxygen concentration value is lower than setting value, then described water electrolysis hydrogen production oxygen device is driven to start.
8. oxyhydrogen engine according to claim 1, is characterized in that, arranges hydrogen supply pipeline and arrange hydrogen steam supply valve in described hydrogen supply pipeline, arranges oxygen supply pipeline and arrange oxygen steam supply valve in described oxygen supply pipeline; Mixed gas steam supply valve is set in the steam outlet pipe of described mixing arrangement.
9. oxyhydrogen engine according to claim 8, is characterized in that, also comprises, and starts for airgun controller; Described startup is connected with the actuating signal line of car internal bus for the input end of airgun controller, and receive actuating signal, output terminal is connected with described hydrogen steam supply valve, oxygen steam supply valve and mixed gas steam supply valve; Judge whether to receive described actuating signal, if, described mixed gas steam supply valve is then driven to open, by the steam outlet pipe of mixing arrangement to described burning cavity air feed, if not, described hydrogen steam supply valve, oxygen steam supply valve is then driven to open, by hydrogen supply pipeline and oxygen supply pipeline to described burning cavity air feed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410752018.7A CN104454246B (en) | 2014-12-09 | 2014-12-09 | Oxyhydrogen engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410752018.7A CN104454246B (en) | 2014-12-09 | 2014-12-09 | Oxyhydrogen engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104454246A true CN104454246A (en) | 2015-03-25 |
| CN104454246B CN104454246B (en) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410752018.7A Active CN104454246B (en) | 2014-12-09 | 2014-12-09 | Oxyhydrogen engine |
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| Country | Link |
|---|---|
| CN (1) | CN104454246B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003364A (en) * | 2015-08-20 | 2015-10-28 | 净资源有限公司 | Energy-saving and emission-reducing device for vehicle |
| CN105134423A (en) * | 2015-05-20 | 2015-12-09 | 东莞市绿能宝汽车配件科技有限公司 | Safety oxyhydrogen machine |
| CN108361730A (en) * | 2017-12-29 | 2018-08-03 | 长沙卡特尔环保科技有限公司 | A kind of combustion-supporting control method of biomass granule boiler |
| CN108825390A (en) * | 2018-06-15 | 2018-11-16 | 北京工业大学 | A kind of four-stroke spark ignition oxyhydrogen engine and control method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397753B (en) * | 2020-10-27 | 2021-11-02 | 智新科技股份有限公司 | Hydrogen tail gas purification system for fuel cell |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104454246B (en) | 2019-06-04 |
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Effective date of registration: 20210326 Address after: 110000 no.58-9, Xinghua South Street, Tiexi District, Shenyang City, Liaoning Province (1-30-3) Patentee after: Shenyang youkeweier New Energy Technology Co.,Ltd. Address before: 110000 No.3, 2nd floor, unit 1, Tiedong community, Chenxiang Town, Sujiatun District, Shenyang City, Liaoning Province Patentee before: Zhao Guihua |
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