CN206647188U - Add water fuel reforming device without catalyst low temperature using engine exhaust waste heat - Google Patents
Add water fuel reforming device without catalyst low temperature using engine exhaust waste heat Download PDFInfo
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- CN206647188U CN206647188U CN201720247213.3U CN201720247213U CN206647188U CN 206647188 U CN206647188 U CN 206647188U CN 201720247213 U CN201720247213 U CN 201720247213U CN 206647188 U CN206647188 U CN 206647188U
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- fuel
- low temperature
- water
- engine
- sample feeding
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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
- Y02T10/12—Improving ICE efficiencies
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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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Abstract
Water fuel reforming device, including cylinder and external low temperature is added to add water reformer without catalyst low temperature using engine exhaust waste heat the utility model discloses one kind, external low temperature adds the import of water reformer to be connected with air intake duct and fuel sample feeding pipe；Fuel sample feeding pipe is connected with fuel injection pump and gasifying pot, and the import of gasifying pot is connected with water sample feeding pipe；By adding water reformer and gasifying pot by external low temperature with winding engine exhaust pipe, making full use of for engine exhaust waste heat is realized；Set low outside in Wen Jiashui reformers, fresh air carries out low-temperature reformate with the fuel after vaporization and the gaseous mixture of water, low temperature product after reformation is entered in engine air inlet tube by reforming gas tracheae, homogeneous mixture is mixed to form with fresh air again to imported into cylinder, and realize gaseous mixture activity and concentration stratification with the fuel mixed combustion of in-cylinder direct-jet, due to catalyst need not be added in said process, so that the operation that engine is more energy-efficient.
Description
Technical field
A kind of new device for adding water fuel reforming using engine exhaust waste heat low temperature is the utility model is related to, is specifically set
Count a kind of external fuel reformer low temperature using engine exhaust heating and add water (T<1000K) fuel reforming, should by control
The boundary condition (temperature, pressure, equivalent proportion etc.) of external reformer and the ratio of addition reformer reclaimed water reform the fuel into not
It is different living after then being reformed according to actual working conditions with the low-temperature oxidation product (aldehydes, ketone, peroxide etc.) of activity
Property low-temperature reformate gas imported into engine participate in burning apparatus system.
Background technology
With the continuous deterioration of global environment, the exhaustion increasingly of the energy, for automobile industry, the combustion of internal combustion engine high-efficiency cleaning
Burning always is the problem of meriting attention, and the combustion mode of traditional combustion engine obviously can not meet the energy and environment
It is required that.Therefore experts and scholars conduct extensive research for combustion technology and propose some new combustion patterns both at home and abroad,
Such as homogeneity compression-ignition (HCCI), low-temperature burning (LTC) and partly-premixed combination burning (PPC).In recent years, this was new for fuel reforming
Type combustion system is gradually applied on internal combustion engine, and improves the thermal efficiency of engine, reduces discharge.And in low-temperature reformate
During, the addition of water can improve the content of hydrogen peroxide of reforming process, and this belongs to high work in engine combustion process
Property material, engine combustion can be promoted, when improving antiknock gasoline or Smaller load the problems such as ignition difficulties.It is same with this
When, the utilization of engine exhaust waste heat has also caused the attention of domestic and international experts and scholars.The utility model is by engine exhaust
Waste heat is combined with fuel reforming, and carrying out the low temperature without catalyst to fuel adds hydro-thermal to reform, it is intended to further improves engine
The thermal efficiency and reduction discharge.
Utility model content
The utility model discloses a kind of new device for adding water fuel reforming using engine exhaust waste heat low temperature.Main body
A homemade external fuel low-temperature reformate device is connected engine by part, and the wherein exhaust pipe of engine is wrapped in the low temperature weight
Engagement positions surrounding is used to heat fresh fuel to be reformed, and by adding certain ratio in the low-temperature reformate device into reformer
The water of example, the fuel after reformation mixes to imported into engine with fresh air participates in burning.Engine operates in different works
Under the conditions of condition, by controlling the corresponding reforming reaction boundary condition of external reformer, it is different living that different oxidation stages can be discharged
The low-temperature reformate gas of property, in conjunction with the fuel of engine air in-cylinder injector direct-injection, it is possible to achieve in cylinder gaseous mixture it is active with it is dense
The layering of degree, change the response path of fuel oil combustion reaction, can effectively widen high-efficiency cleaning combustion range.The utility model is only
Need the requirement that can meet Europe VI Abgasgesetzs using simple oxidation reaction preprocessor.
In order to solve the above-mentioned technical problem, the utility model proposes one kind using engine exhaust waste heat it is low without catalyst
Wen Jiashui fuel reforming devices, including cylinder, an external low temperature add water reformer, air intake duct, fuel sample introduction
Pipe and water sample feeding pipe, the cylinder are connected with engine air inlet tube and engine exhaust pipe；The air intake duct
One end and one end of the fuel sample feeding pipe are connected to the import that the external low temperature adds water reformer, the air intake duct
The other end be connected to an air bottle, the air intake duct is provided with gas flowmeter；The other end of the fuel sample feeding pipe
A fuel injection pump is connected to, the fuel sample feeding pipe is provided with gasifying pot；One end of the water sample feeding pipe and the gasifying pot
Import be connected, the other end of the water sample feeding pipe is connected to a water injection pump；The external low temperature adds the outlet of water reformer
It is connected by reforming gas tracheae with the engine air inlet tube；Add water on the reformation gas tracheae and positioned at external low temperature is closed on
The exit of reformer is provided with a thermocouple；The engine exhaust pipe is provided with the first exhaust gas valve and the second exhaust gas valve, described
First flue gas leading is located at the top of engine exhaust pipe, and second exhaust gas valve is located at the end of engine exhaust pipe；Described
The bypass of the first flue gas leading is connected out on one exhaust gas valve, the first flue gas leading bypass is connected and twined with first exhaust gas valve
It is connected to after adding water reformer around the external low temperature in the flue gas leading between first exhaust gas valve and the second exhaust gas valve
Between on pipeline section, in the first flue gas leading bypass, a thermoelectricity is provided with adding the opening position of water reformer around the external low temperature
It is even；The bypass of the second flue gas leading, the second flue gas leading bypass and second exhaust gas valve are connected out on second exhaust gas valve
Connect and be wrapped over the end that the engine exhaust pipe is connected to after the gasifying pot, in the second flue gas leading bypass,
A thermocouple is provided with around the opening position of the gasifying pot；Add water by the way that engine exhaust pipe is coiled through into the external low temperature
Reformer and gasifying pot, realize making full use of for engine exhaust waste heat；Initial fuel is by the fuel injection pump at the uniform velocity to pass through
Fuel sample feeding pipe is entered in gasifying pot, this moment, water by water injection pump equally at the uniform velocity to be entered through water sample feeding pipe in gasifying pot,
Initial fuel is vaporized with water in gasifying pot, and the fuel after vaporization imported into the external low temperature and added in water reformer, with this
Meanwhile entered by the fresh air that the air bottle provides through air intake duct under the flow that gas flowmeter regulates and controls described
External low temperature adds in water reformer, in the external low temperature adds water reformer, fresh air and the fuel and water after vaporization
Gaseous mixture carries out low-temperature reformate；Low temperature product after reformation is entered in engine air inlet tube by reforming gas tracheae, again with
Fresh air is mixed to form homogeneous mixture and imported into the cylinder, and real with the fuel mixed combustion of in-cylinder direct-jet
Existing gaseous mixture activity and concentration stratification.
Compared with prior art, the beneficial effects of the utility model are：
Add water fuel reforming device without catalyst low temperature using engine exhaust waste heat the utility model proposes one kind, according to
Engine actual condition feature, low temperature is carried out to the fuel in external reformer and adds water to reform, by controlling fuel oil anti-with air
The boundary condition answered, the reformer discharge the partial intermediate or complete oxidation product of different oxidation stages, make itself and sky
Gas (or gaseous mixture of EGR and air) mixes, and imported into engine cylinder, in conjunction with the fuel of in-cylinder direct-jet, Ke Yishi
The high-efficiency cleaning burning of existing gaseous mixture activity and concentration stratification Collaborative Control.The utility model is by fuel through external reformer low temperature
Add water to reform, the low-temperature reformate after reformation is uniformly mixed with fresh air and imported into engine cylinder, then with work
The fresh fuel mixed combustion that cylinder sprays into, realizes fuel oil combustion oxidation reaction response path adjustable control, so as to realize efficiently
Clean the target of burning.
Adding water to reform has three advantages：
(1) engine in-cylinder combustion temperature and discharge can be reduced in the addition of reforming process reclaimed water.
(2) initial fuel can improve the H/C ratios of initial mixing gas due to the addition of water, be beneficial to produce more hydrogen.
(3) due to, containing the aerobic discharge for advantageously reducing the pollutants such as soot, making burning more clean in the molecular formula of water.
(4) engine is operated under the working conditions such as different rotating speeds, load, by controlling external reformer to reform accordingly
React boundary condition, thus it is possible to vary fuel oil combustion reaction path, obtain the reformation gaseous mixture of different activities, can effectively widen height
Effect cleaning combustion range.The utility model only needs that using simple oxidation reaction preprocessor Europe VI exhaust methods can be met
The requirement of rule.
Brief description of the drawings
Fig. 1 is that the utility model is a kind of adds the New device structures of water fuel reforming to show using engine exhaust waste heat low temperature
Meaning sketch.
In figure：
1- engine cylinder 2- engine air inlet tubes 3- reforms gas tracheae
The external low temperature of 4- thermocouples 5- adds water reformer 6- engine exhaust pipes
7- flue gas leading branch road 8- thermocouples the first exhaust gas valves of 9-
Middle the second exhaust gas valves of pipeline section 11- 12- flue gas leading branch roads of 10- flue gas leadings
13- thermocouple 14- air intake duct 15- gas flowmeters
16- air bottle 17- fuel sample feeding pipe 18- gasifying pots
19- fuel injection pump 20- water sample feeding pipe 21- water injection pumps
22- terminal flue gas leadings
Embodiment
Technical solutions of the utility model are described in further detail with specific embodiment below in conjunction with the accompanying drawings, it is described
Only the utility model is explained for specific embodiment, not limiting the utility model.
The utility model proposes one kind add water fuel reforming device without catalyst low temperature using engine exhaust waste heat, it is real
Show the low-temperature reformate of fuel, the layering of engine air in-cylinder mixture strength and active stratified combustion can also be realized, and not
Need to add catalyst, while the waste heat of tail pipe exhaust has also obtained effective utilization, so that engine is more energy-efficient
Operation.The utility model adds water reforming method based on engine fuel low temperature, adds water reformer and engine by external low temperature
Main body two parts form.
As shown in figure 1, the utility model proposes one kind add water to reform without catalyst low temperature using engine exhaust waste heat
Fuel-device, including 1, external low temperature of cylinder add water reformer 5, air intake duct 14 and the and of fuel sample feeding pipe 17
Water sample feeding pipe 20, the cylinder 1 are connected with engine air inlet tube 2 and engine exhaust pipe 6；The air intake duct 14
One end and one end of the fuel sample feeding pipe 17 be connected to the import that the external low temperature adds water reformer 5, the air
The other end of air inlet pipe 14 is connected to an air bottle 16, and the air intake duct 14 is provided with gas flowmeter 15；The fuel
The other end of sample feeding pipe 17 is connected to a fuel injection pump 19, and the fuel sample feeding pipe 17 is provided with gasifying pot 18, and the water enters
One end of sample pipe 20 is connected with the import of the gasifying pot 18, and the other end of the water sample feeding pipe 20 is connected to a water injection pump
21.The gasifying pot 18 makes it certain to vaporize the mixed fluid fuel from fuel sample feeding pipe 17 and water sample feeding pipe 20
At a temperature of become steam state, then imported into external low temperature add in water reformer 5 with fresh air carry out low-temperature reformate.
The external low temperature adds the outlet of water reformer 5 to be connected by reforming gas tracheae 3 with the engine air inlet tube 2；
The exit of water reformer 5 is added to be provided with a thermocouple 4 on the reformation gas tracheae 3 and positioned at external low temperature is closed on.
The engine exhaust pipe 6 is provided with the first exhaust gas valve 9 and the second exhaust gas valve 11, and first flue gas leading 9 is located at
The top of engine exhaust pipe, second exhaust gas valve 11 are located at the end (i.e. terminal flue gas leading 22) of engine exhaust pipe.Institute
State and the bypass of the first flue gas leading is connected out on the first exhaust gas valve 9, one end 7 of the first flue gas leading bypass and first waste gas
Valve 9 is connected and is wrapped over after the external low temperature adds water reformer 5, and the other end 12 of the first flue gas leading bypass is connected to
On the middle pipeline section 10 of flue gas leading between the exhaust gas valve 11 of first exhaust gas valve 9 and second, in the first flue gas leading bypass,
A thermocouple 8 is provided with adding the opening position of water reformer 5 around the external low temperature.First exhaust gas valve 9 to regulate and control into
Enter the exhausted air quantity of the first flue gas leading bypass 7, and then regulate and control the reforming temperature that external low temperature adds water reformer 5, to fuel low temperature
Reform.
The bypass of the second flue gas leading, the second flue gas leading bypass and described second are connected out on second exhaust gas valve 11
Exhaust gas valve 11 connects and is wrapped over end (the i.e. terminal flue gas leading that the engine exhaust pipe is connected to after the gasifying pot 18
22), in the second flue gas leading bypass, a thermocouple 13 is being provided with around the opening position of the gasifying pot 18.
Add water reformer 5 and gasifying pot 18 by the way that engine exhaust pipe 6 is coiled through into the external low temperature, realization is started
Machine waste gas residual heat makes full use of.The fuel injection pump 19 reforms equivalent proportion at the uniform velocity sample introduction fuel according to the rules；The water note
Pump 21 is penetrated according to suitably matching at the uniform velocity sample introduction water with fuel；The gasifying pot 18 is located on the pipeline of fuel sample feeding pipe 17, uses
With the liquid fuel to be reformed that gasifies, the wherein periphery of gasifying pot 18 is wound by engine exhaust pipe, and gasification temperature is given up by second
Air valve 11 regulates and controls；The external low temperature adds the air induction system of water reformer 5 to regulate and control to enter external low temperature by gas flowmeter 15
Add the air capacity of water reformer 5；External low temperature adds water reformer 5 to be wound by engine exhaust pipeline described in the utility model,
Temperature adjusting is controlled by the first exhaust gas valve 9, and with adding the thermocouple on water reformer 5 to carry out closed loop thermal positioned at external low temperature
Control；Positioned at reform gas tracheae 3 on and close on external low temperature add the exit of water reformer 5 lay a thermocouple 4 to
The temperature of gaseous mixture after detection is reformed.
Initial fuel by the fuel injection pump 19 at the uniform velocity to be entered through fuel sample feeding pipe 17 in gasifying pot 18, this moment,
Water by water injection pump 21 equally at the uniform velocity to be entered through water sample feeding pipe 20 in gasifying pot 18, with water in gasifying pot 18 enter by initial fuel
Row vaporization, the fuel after vaporization imported into the external low temperature and added in water reformer 5, at the same time, carried by the air bottle 16
The fresh air of confession enters the external low temperature through air intake duct 14 under the flow that gas flowmeter 15 regulates and controls and adds water weight
In whole device 5, in the external low temperature adds water reformer 5, fresh air carries out low with the fuel after vaporization and the gaseous mixture of water
Temperature is reformed；Low temperature product after reformation is entered in engine air inlet tube 2 by reforming gas tracheae 3, is mixed again with fresh air
Conjunction forms homogeneous mixture and imported into the cylinder 1, and realizes gaseous mixture with the fuel mixed combustion of in-cylinder direct-jet
Activity and concentration stratification.
The reformation loop trend formed in the utility model：Initial fuel is by the fuel injection pump 19 with the uniform velocity through fuel
Sample feeding pipe 17 is entered in gasifying pot 18, and water is by water injection pump 21 equally at the uniform velocity to enter gasifying pot 18 through water sample feeding pipe 20
In, initial fuel is vaporized with water in gasifying pot 18, and the fuel after vaporization imported into the external low temperature and added in water reformer 5
Mixed with fresh air and carry out low-temperature reformate.Gas return path is moved towards：The fresh air provided by the air bottle 16 is in gas stream
Gauge 15 regulate and control flow under through air intake duct 14 enter the external low temperature add in water reformer 5 with the fuel after vaporization
Low-temperature reformate is carried out with the gaseous mixture of water, in the external low temperature adds water reformer 5, the fuel after vaporization mixes with fresh air
Close and carry out low-temperature reformate formation low temperature product, the penetrating moment of the fuel injector control vapour internal combustion oil of cylinder in cylinder and oil spout
Amount, the loop and the flow control of gas return path of reforming is realized by the and gas flow meter 15 of fuel injection pump 19 respectively
's.Low temperature product after reformation is entered in engine air inlet tube 2 by reforming gas tracheae 3, mixes shape with fresh air again
It is imported into homogeneous mixture in the cylinder 1, and gaseous mixture activity is realized with the fuel mixed combustion of in-cylinder direct-jet
And concentration stratification.
Using the utility model device, the boundary condition by regulating and controlling reformer can obtain the low-temperature oxidation of different activities
Product, such as PRF90 (isooctane is 9 with normal heptane volume ratio) fuel is reformed, high active substance (peroxide methane can be obtained
CH3O2H, the peroxide KETs of carbonyl etc.), low activity material can also be obtained or be referred to as the material (first for suppressing burning
Aldehyde CH2O, acetone CH3COCH3 etc.), and add water reform after reform gaseous mixture in hydrogen peroxide H2O2 content rise it is bright
It is aobvious.At the same time, the utilization of engine exhaust waste heat also make it that engine integral energy is saved.
Although the utility model is described above in conjunction with accompanying drawing, the utility model is not limited to above-mentioned
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, the ordinary skill of this area
Personnel are under enlightenment of the present utility model, in the case where not departing from the utility model aims, can also make many variations, this
Belong within protection of the present utility model.
Claims (1)
1. one kind adds water fuel reforming device, including cylinder (1), one using engine exhaust waste heat without catalyst low temperature
The external low temperature of platform adds water reformer (5), air intake duct (14), fuel sample feeding pipe (17) and water sample feeding pipe (20), described to start
Machine cylinder (1) is connected with engine air inlet tube (2) and engine exhaust pipe (6)；One end of the air intake duct (14) and institute
The one end for stating fuel sample feeding pipe (17) is connected to the import that the external low temperature adds water reformer (5), the air intake duct
(14) the other end is connected to an air bottle (16), and the air intake duct (14) is provided with gas flowmeter (15)；The combustion
The other end of material sample feeding pipe (17) is connected to a fuel injection pump (19), and the fuel sample feeding pipe (17) is provided with gasifying pot
(18)；One end of the water sample feeding pipe (20) is connected with the import of the gasifying pot (18), the water sample feeding pipe (20) it is another
End is connected to a water injection pump (21)；The external low temperature add the outlet of water reformer (5) by reform gas tracheae (3) with it is described
Engine air inlet tube (2) is connected；On reformation gas tracheae (3) and positioned at closing on the outlet that external low temperature adds water reformer (5)
Place is provided with a thermocouple (4)；
It is characterized in that：
The engine exhaust pipe (6) is provided with the first exhaust gas valve (9) and the second exhaust gas valve (11), first exhaust gas valve (9)
Positioned at the top of engine exhaust pipe, second exhaust gas valve (11) is located at the end of engine exhaust pipe；
The bypass of the first flue gas leading is connected out on first exhaust gas valve (9), the first flue gas leading bypass is given up with described first
Air valve (9), which is connected and is wrapped over after the external low temperature adds water reformer (5), is connected to first exhaust gas valve (9) and second
On the middle pipeline section (10) of flue gas leading between exhaust gas valve (11), in the first flue gas leading bypass, set low outside around described
The opening position of Wen Jiashui reformers (5) is provided with a thermocouple (8)；
The bypass of the second flue gas leading is connected out on second exhaust gas valve (11), the second flue gas leading bypass is given up with described second
Air valve (11) connects and is wrapped over the end that the engine exhaust pipe is connected to after the gasifying pot (18), and described second is useless
In tracheae bypass, a thermocouple (13) is being provided with around the opening position of the gasifying pot (18)；
Add water reformer (5) and gasifying pot (18) by the way that engine exhaust pipe (6) is coiled through into the external low temperature, realize hair
Motivation waste gas residual heat makes full use of；
Initial fuel by the fuel injection pump (19) at the uniform velocity to be entered through fuel sample feeding pipe (17) in gasifying pot (18), this
Carve, by water injection pump (21) equally at the uniform velocity to be entered through water sample feeding pipe (20) in gasifying pot (18), initial fuel exists water with water
Gasifying pot (18) is vaporized, and the fuel after vaporization imported into the external low temperature and added in water reformer (5), at the same time, by
The fresh air that the air bottle (16) provides enters under the flow that gas flowmeter (15) regulates and controls through air intake duct (14)
Add to the external low temperature in water reformer (5), in the external low temperature adds water reformer (5), after fresh air and vaporization
Fuel and water gaseous mixture carry out low-temperature reformate；Low temperature product after reformation enters engine by reforming gas tracheae (3)
In air inlet pipe (2), homogeneous mixture is mixed to form with fresh air again and is imported into the cylinder (1), and and cylinder
Gaseous mixture activity and concentration stratification are realized in the fuel mixed combustion of interior direct-injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720247213.3U CN206647188U (en) | 2017-03-14 | 2017-03-14 | Add water fuel reforming device without catalyst low temperature using engine exhaust waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720247213.3U CN206647188U (en) | 2017-03-14 | 2017-03-14 | Add water fuel reforming device without catalyst low temperature using engine exhaust waste heat |
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| Publication Number | Publication Date |
|---|---|
| CN206647188U true CN206647188U (en) | 2017-11-17 |
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ID=60282206
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| CN201720247213.3U Expired - Fee Related CN206647188U (en) | 2017-03-14 | 2017-03-14 | Add water fuel reforming device without catalyst low temperature using engine exhaust waste heat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968845A (en) * | 2017-03-14 | 2017-07-21 | 天津大学 | Added water fuel reforming device without catalyst low temperature using engine exhaust waste heat |
-
2017
- 2017-03-14 CN CN201720247213.3U patent/CN206647188U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968845A (en) * | 2017-03-14 | 2017-07-21 | 天津大学 | Added water fuel reforming device without catalyst low temperature using engine exhaust waste heat |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 300350 District, Jinnan District, Tianjin Haihe Education Park, 135 beautiful road, Beiyang campus of Tianjin University Patentee after: Tianjin University Address before: 300072 Tianjin City, Nankai District Wei Jin Road No. 92 Patentee before: Tianjin University |
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| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171117 Termination date: 20180314 |
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| CF01 | Termination of patent right due to non-payment of annual fee |