CN208347966U - The double feed systems of methanol - Google Patents
The double feed systems of methanol Download PDFInfo
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- CN208347966U CN208347966U CN201820901436.1U CN201820901436U CN208347966U CN 208347966 U CN208347966 U CN 208347966U CN 201820901436 U CN201820901436 U CN 201820901436U CN 208347966 U CN208347966 U CN 208347966U
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- Prior art keywords
- methanol
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- pipeline
- chamber
- precombustion
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 431
- 238000002347 injection Methods 0.000 claims abstract description 15
- 239000007924 injection Substances 0.000 claims abstract description 15
- 239000002828 fuel tank Substances 0.000 claims description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 18
- 239000000243 solution Substances 0.000 description 16
- 239000008246 gaseous mixture Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 9
- 239000000446 fuel Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 239000002737 fuel gas Substances 0.000 description 4
- 238000002679 ablation Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000005406 washing Methods 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
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The utility model relates to technical field of engines, more particularly, to a kind of double feed systems of methanol.Including methanol main burning feed system and methanol precombustion feed system, the methanol main burning feed system includes at least one main chamber, and the methanol precombustion feed system includes at least one precombustion chamber, and the precombustion chamber is connected to the main chamber；Air inlet pipeline and gas exhaust piping are additionally provided on the main chamber, the air inlet pipeline side is connected with methanol main ejector；Methanol pilot injection device and spark plug are provided on the precombustion chamber.The utility model solve methanol combustion flame propagation distance in the prior art, spark plug service life is shorter and technical problem that engine thermal efficiency is poor.
Description
Technical field
The utility model relates to technical field of engines, more particularly, to a kind of double feed systems of methanol.
Background technique
With the diversification of the fuel of engine, new trend is increasingly becoming using methanol fuel, methanol engine is most
Using spark ignition type combustion system, methanol supply mostly uses air inlet pipe or intake port injection greatly, and spark plug is directly arranged at combustion chamber
Inside light gaseous mixture.Methanol feed system mainly uses a set of supply: methanol injection pump, oily rail, methanol fuel injector etc. at present, real
The supply of existing methanol.
The commercial vehicle methanol engine of existing market sale, is substantially and develops on diesel oil machine platform, use
Two valves or Four valve, spark plug are substantially the position for being mounted on original fuel injector, methanol list feed system, main feature
It is open combustion chamber ignition operation.But the spark plug of single methanol feed system is directly arranged at methanol engine open combustion chamber
Interior, mainly have following problems: methanol combustion flame propagation distance, it is poor to burn, and dynamic economics and discharge are all unstable；Spark
The methanol gaseous mixture that plug directly lights combustion chamber is easy to appear catch fire phenomenon or pinking due to the uneven concentration of gaseous mixture
Phenomenon；Spark plug is directly exposed directly to be washed away by high-temperature fuel gas in the combustion chamber, and the service life of spark plug is shorter, burns
Lose phenomenon；In order to which engine can be lighted, the mixture strength of combustion chamber cannot be too dilute, and otherwise spark plug point is not, general to control
System between 0.8-1.3, do not get on by economy and the thermal efficiency promotion of such engine.
The information disclosed in the background technology section is intended only to deepen the reason to the general background technology of the utility model
Solution, and it is known to those skilled in the art existing to be not construed as recognizing or imply that the information is constituted in any form
Technology.
Utility model content
The purpose of this utility model is to provide a kind of double feed systems of methanol, solves methanol burning fire in the prior art
The technical problem that flame propagation distance is long, the spark plug service life is shorter and engine thermal efficiency is poor.
The double feed systems of methanol provided by the utility model, comprising: methanol main burning feed system and methanol precombustion supply
To system, the methanol main burning feed system includes at least one main chamber, and the methanol precombustion feed system includes
At least one precombustion chamber, the precombustion chamber are connected to the main chamber；
Air inlet pipeline and gas exhaust piping are additionally provided on the main chamber, the air inlet pipeline side is connected with methanol master
Injector；
Methanol pilot injection device and spark plug are provided on the precombustion chamber.
In the above-mentioned technical solutions, further, the precombustion chamber bottom is connected by spray-hole and the main chamber
It is logical.
In the above-mentioned technical solutions, further, the bottom of the main chamber is provided with piston.
In the above-mentioned technical solutions, further, the volume of the precombustion chamber is less than the volume of the main chamber.
In the above-mentioned technical solutions, further, further includes: inlet manifold, exhaust main and methanol fuel tank；
The inlet manifold is connect by the air inlet pipeline with the main chamber, and the exhaust main passes through the row
Air pipe is connect with the main chamber；
The methanol fuel tank connect by main oily rail with the methanol main ejector, the methanol fuel tank by pre- oil rail and
The methanol pilot injection device connection.
In any of the above-described technical solution, further, the diameter of the main oily rail is greater than the diameter of the pre- oily rail.
In any of the above-described technical solution, further, the methanol fuel tank is connected by the first pipeline and the main oily rail
It connects, the methanol fuel tank is connect by the second pipeline with the pre- oily rail.
In any of the above-described technical solution, further, first pipeline is connected with second pipeline, and described
Position on first pipeline close to the methanol fuel tank is provided with methanol oil pump.
In any of the above-described technical solution, further, first pipeline one end is connect with the methanol fuel tank, another
End is connect with main oily rail；
Second pipeline one end is connect with the methanol fuel tank, and the other end is connect with pre- oily rail；
Methanol oil pump is provided on first pipeline and second pipeline.
In any of the above-described technical solution, further, the diameter of first pipeline is greater than the straight of second pipeline
Diameter.
Compared with the existing technology, the double feed systems of methanol provided by the utility model and ignition system have the advantage that
The double feed systems of methanol provided by the utility model, comprising: methanol main burning feed system and methanol precombustion supply
To system, methanol main burning feed system includes at least one main chamber, and methanol precombustion feed system includes at least one
Precombustion chamber, precombustion chamber are connected to main chamber；Air inlet pipeline and gas exhaust piping, air inlet pipeline are additionally provided on main chamber
Side is connected with methanol main ejector；Methanol pilot injection device and spark plug are provided on precombustion chamber.Precombustion chamber is responsible for igniting
The methanol in stage supplies, and the methanol inside the precombustion chamber of small size is compared to the methanol concentration inside the main chamber of large volume
It is higher, it is easy igniting；Since the supply of precombustion chamber and main chamber is independent from each other, the igniting air-fuel ratio that may be implemented and
The air-fuel ratio of main combustion also independent control, by the main mixture of the indoor pre-burning flame ignition main chamber main burning of precombustion,
Energy greatly improves, and main combustion gas may be implemented stablizes burning, while also without methanol long range propagating flame；And spark plug cloth
It sets in precombustion chamber, spark plug can be washed away to avoid high-temperature fuel gas, igniting is easy, and can be reduced the ignition times of spark plug, be mentioned
The high service life of spark plug；And the Proper Match of the main chamber of the precombustion chamber and large volume of small size, it can mention significantly
High lean flammability limit, widens limit of detonability, improves the economy of engine, while substantially reducing the thermic load of engine, improves hair
The reliability of motivation.Solve methanol combustion flame propagation distance in the prior art, spark plug service life is shorter and thermal effect
The technical problem of rate difference.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the double feed systems of methanol provided by the embodiment of the utility model；
Fig. 2 is the schematic diagram of the double feed systems of methanol provided by the embodiment of the utility model.
Icon:
100- main chamber；200- precombustion chamber；300- gas exhaust piping；400- spark plug；500- air inlet pipeline；600- is living
Plug；700- exhaust main；800- inlet manifold；The main oily rail of 900-；1000- methanol fuel tank；1100- methanol oil pump；1200- first
Pipeline；The second pipeline of 1300-；The pre- oily rail of 1400-；
101- methanol pilot injection device；102- spray-hole；201- methanol main ejector.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment one
As shown in Figs. 1-2, the double feed systems of methanol provided in this embodiment, comprising: methanol main burning feed system and first
Alcohol precombustion feed system, methanol main burning feed system include at least one main chamber 100, methanol precombustion feed system
Including at least one precombustion chamber 200,200 bottom of precombustion chamber is connected to main chamber 100；It is also set up on main chamber 100
There are air inlet pipeline 500 and gas exhaust piping 300,500 side of air inlet pipeline is connected with methanol main ejector 201；Precombustion chamber 200 pushes up
Portion is provided with methanol pilot injection device 101 and spark plug 400.Solve methanol combustion flame propagation distance, fire in the prior art
The technical issues of spending the shorter service life of plug 400 and poor thermal efficiency.
Have in design, the double feed systems of original methanol are all single feed systems, spark plug 400 is directly arranged at
In methanol engine open port firing room, there are methanol combustion flame propagation distances, and it is poor to burn, and dynamic economics and discharge are not
Stablize；The methanol gaseous mixture that spark plug 400 directly lights combustion chamber is easy to appear and is caught fire due to the uneven concentration of gaseous mixture
Phenomenon or phenomenon of detonation；Spark plug 400 is directly exposed directly to be washed away by high-temperature fuel gas in the combustion chamber, spark plug 400
Service life is shorter, ablation phenomen etc. occurs.And the precombustion chamber 200 of the double feed systems of methanol provided in this embodiment is responsible for a little
The methanol in fiery stage supplies, the methanol inside the precombustion chamber 200 of small size compared to the main chamber 100 of large volume inside
Methanol concentration is higher, is easy igniting；Have the advantages that improve the reliability in the service life of spark plug 400 and engine.
Specifically, 200 bottom of precombustion chamber is connected to by spray-hole 102 with main chamber 100；It is defeated to main chamber 100
Methanol gaseous mixture is sent, being transported in main chamber 100 is than leaner methanol gaseous mixture.
Further, the bottom of main chamber 100 is provided with piston 600.
Further, the volume of precombustion chamber 200 is less than the volume of main chamber 100；And precombustion chamber 200 is direct
It is connect with methanol pilot injection device 101, so the methanol concentration of the inside of precombustion chamber 200 is dense with respect to 100 methanol of main chamber
Degree is high, so spark plug 400 is easy igniting, and the methanol of precombustion chamber 200 leads to spray-hole 102 after being ignited and enters main chamber
100, it lights a fire to the low concentration methanol gaseous mixture of main chamber 100, so the double feed systems of methanol pass through pre-chamber volume
With the Proper Match of 100 volume of main chamber, can greatly improving lean flammability limit, (test data of reference CNG, can be by 1.6
It is increased to 1.9), widens limit of detonability, improve the economy of engine；And 400 energy of same spark plug, precombustion chamber
200 ignition energy can be promoted very greatly, increased substantially lean flammability limit, realized the super thin combustion of methanol-fueled engine
It burns, reduces thermic load, the flameholding of engine component, improve the reliability of engine.
It should be noted that the double feed systems of the methanol realize super thin methanol burning, while reducing engine body
DS NOx Est, pinking trend weaken, and improve the economy of engine；The working environment that spark plug 400 can also be improved, avoids high temperature
A possibility that methanol burning gases wash away, and reduce by 400 ablation of spark plug, improves the service life of spark plug 400；And engine thermal
Efficiency improves a lot.
In the present embodiment optinal plan, the double feed systems of methanol further include: inlet manifold 800, exhaust main 700, methanol
Fuel tank 1000 and the double feed systems of multiple above-mentioned methanol；Inlet manifold 800 is connected by air inlet pipeline 500 and main chamber 100
It connects, exhaust main 700 is connect by gas exhaust piping 300 with main chamber 100；Methanol fuel tank 1000 passes through main oily rail 900 and first
Alcohol main ejector 201 connects, and methanol fuel tank 1000 is connect by pre- oily rail 1400 with methanol pilot injection device 101.
Specifically, the diameter of main oil rail 900 is greater than the diameter of pre- oily rail 1400；The oil mass that main oil rail 900 provides is higher than pre-
The oil mass that oily rail 1400 provides.
In the present embodiment optinal plan, methanol fuel tank 1000 is connect by the first pipeline 1200 with main oily rail 900, methanol oil
Case 1000 is connect by the second pipeline 1300 with pre- oily rail 1400.
Specifically, the first pipeline 1200 is connected with the second pipeline 1300, and close to methanol fuel tank on the first pipeline 1200
1000 position is provided with methanol oil pump 1100, can convey to methanol.
Alternatively, 1200 one end of the first pipeline is connect with methanol fuel tank 1000, the other end is connect with main oily rail 900；Second pipe
1300 one end of road is connect with methanol fuel tank 1000, and the other end is connect with pre- oily rail 1400；First pipeline 1200 and the second pipeline
It is provided with methanol oil pump 1100 on 1300, methanol can be conveyed.
Further, the diameter of the first pipeline 1200 is greater than the diameter of the second pipeline 1300；What the first pipeline 1200 provided
The amount of methanol is higher than the amount for the methanol that the second pipeline 1300 provides.
The course of work: the thin methanol gaseous mixture of air inlet pipeline 500 enters main chamber 100 by inlet valve；Engine
Compression travel, the Weak mixture of main chamber 100 is pressed into precombustion chamber, and then methanol pilot injection device 101 is penetrated a small amount of
Methanol, makes Weak mixture become equivalent gaseous mixture or dense methanol gaseous mixture, and spark plug 400 lights the dense mixed of precombustion chamber 200
Gas is closed, flame is sprayed from the spout in prechamber injection hole 102, mixes the thin methanol in main chamber 100 as incendiary source
Gas burning.
In conjunction with can be seen that the double feed systems of methanol provided in this embodiment to the detailed description of the utility model above,
Include: main chamber 100, precombustion chamber 200,200 bottom of precombustion chamber and main chamber are provided at the top of main chamber 100
100 connections；Air inlet pipeline 500 and gas exhaust piping 300 are additionally provided on main chamber 100,500 side of air inlet pipeline is connected with first
Alcohol main ejector 201；Methanol pilot injection device 101 and spark plug 400 are provided at the top of precombustion chamber 200.Precombustion chamber 200 is responsible for
The methanol of ignition phase supplies, the methanol inside the precombustion chamber 200 of small size compared to the main chamber 100 of large volume inside
Methanol concentration it is higher, be easy igniting；Since the supply of precombustion chamber 200 and main chamber 100 is independent from each other, Ke Yishi
The air-fuel ratio of existing igniting air-fuel ratio and main combustion also independent control, passes through the pre-burning flame ignition main burning in precombustion chamber 200
The main mixture of 100 main burning of room, energy greatly improve, and main combustion gas may be implemented stablizes burning；And spark plug 400 is arranged in
Precombustion chamber, can to avoid high-temperature fuel gas washing away to spark plug 400, light a fire be easy, the igniting of spark plug 400 can be reduced at this point,
Improve the service life of spark plug 400；And the Proper Match of the main chamber 100 of the precombustion chamber 200 and large volume of small size,
Lean flammability limit can be greatly improved, limit of detonability is widened, improves the economy of engine, while the heat for substantially reducing engine is negative
Lotus improves the reliability of engine.Solves the service life of methanol combustion flame propagation distance, spark plug 400 in the prior art
The technical issues of shorter and poor thermal efficiency.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is practical new in this
Within the scope of type and form different embodiments.For example, in claims above, embodiment claimed
It is one of any can in any combination mode come using.The information disclosed in the background technology section is intended only to deepen
Understanding to the general background technology of the utility model, and be not construed as recognizing or implying in any form that the information is constituted
The prior art known to those skilled in the art.
Claims (10)
1. a kind of double feed systems of methanol characterized by comprising methanol main burning feed system and methanol precombustion supply system
System, the methanol main burning feed system includes at least one main chamber (100), and the methanol precombustion feed system includes
At least one precombustion chamber (200), the precombustion chamber (200) are connected to the main chamber (100)；
Air inlet pipeline (500) and gas exhaust piping (300), the air inlet pipeline (500) are additionally provided on the main chamber (100)
Side is connected with methanol main ejector；
Methanol pilot injection device and spark plug (400) are provided on the precombustion chamber (200).
2. the double feed systems of methanol according to claim 1, which is characterized in that precombustion chamber (200) bottom passes through
Spray-hole is connected to the main chamber (100).
3. the double feed systems of methanol according to claim 1, which is characterized in that the bottom of the main chamber (100) is set
It is equipped with piston (600).
4. the double feed systems of methanol according to claim 1, which is characterized in that the volume of the precombustion chamber (200) is small
Volume in the main chamber (100).
5. the double feed systems of methanol according to claim 1, which is characterized in that further include: inlet manifold (800), exhaust
General pipeline (700) and methanol fuel tank (1000)；
The inlet manifold (800) is connect by the air inlet pipeline (500) with the main chamber (100), and the exhaust is total
Pipe (700) is connect by the gas exhaust piping (300) with the main chamber (100)；
The methanol fuel tank (1000) is connect by main oily rail (900) with the methanol main ejector, the methanol fuel tank
(1000) it is connect by pre- oily rail 1400 with the methanol pilot injection device.
6. the double feed systems of methanol according to claim 5, which is characterized in that the diameter of the main oily rail (900) is greater than
The diameter of the pre- oily rail 1400.
7. the double feed systems of methanol according to claim 5, which is characterized in that the methanol fuel tank (1000) passes through first
Pipeline (1200) connect with the main oily rail (900), the methanol fuel tank (1000) pass through the second pipeline (1300) with it is described pre-
Oily rail 1400 connects.
8. the double feed systems of methanol according to claim 7, which is characterized in that first pipeline (1200) and described the
Two pipelines (1300) are connected, and the position on first pipeline (1200) close to the methanol fuel tank (1000) is provided with first
Alcohol oil pump (1100).
9. the double feed systems of methanol according to claim 7, which is characterized in that described first pipeline (1200) one end and institute
Methanol fuel tank (1000) connection is stated, the other end is connect with main oily rail (900)；
Described second pipeline (1300) one end is connect with the methanol fuel tank (1000), and the other end is connect with pre- oily rail 1400；
Methanol oil pump (1100) are provided on first pipeline (1200) and second pipeline (1300).
10. the double feed systems of methanol according to claim 7, which is characterized in that the diameter of first pipeline (1200)
Greater than the diameter of second pipeline (1300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820901436.1U CN208347966U (en) | 2018-06-11 | 2018-06-11 | The double feed systems of methanol |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820901436.1U CN208347966U (en) | 2018-06-11 | 2018-06-11 | The double feed systems of methanol |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630336A (en) * | 2019-01-22 | 2019-04-16 | 浙江吉利控股集团有限公司 | Ignition system and vehicle for methanol engine |
| CN113669183A (en) * | 2021-08-16 | 2021-11-19 | 大连理工大学 | Efficient low-carbon-free flexible fuel combustion system |
| CN114233463A (en) * | 2021-12-10 | 2022-03-25 | 天津大学 | Direct injection methanol fuel combustion system of internal combustion engine |
| CN115095424A (en) * | 2022-06-17 | 2022-09-23 | 潍柴动力股份有限公司 | Transient compensation ultra-lean-burn gas engine and method |
-
2018
- 2018-06-11 CN CN201820901436.1U patent/CN208347966U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630336A (en) * | 2019-01-22 | 2019-04-16 | 浙江吉利控股集团有限公司 | Ignition system and vehicle for methanol engine |
| CN113669183A (en) * | 2021-08-16 | 2021-11-19 | 大连理工大学 | Efficient low-carbon-free flexible fuel combustion system |
| CN113669183B (en) * | 2021-08-16 | 2024-03-15 | 大连理工大学 | Efficient low-carbon-free flexible fuel combustion system |
| CN114233463A (en) * | 2021-12-10 | 2022-03-25 | 天津大学 | Direct injection methanol fuel combustion system of internal combustion engine |
| CN114233463B (en) * | 2021-12-10 | 2024-06-07 | 天津大学 | Combustion system of internal combustion engine directly injecting methanol fuel in cylinder |
| CN115095424A (en) * | 2022-06-17 | 2022-09-23 | 潍柴动力股份有限公司 | Transient compensation ultra-lean-burn gas engine and method |
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