CN208619255U - Injector assembly and methanol engine for methanol engine - Google Patents
Injector assembly and methanol engine for methanol engine Download PDFInfo
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- CN208619255U CN208619255U CN201821195895.9U CN201821195895U CN208619255U CN 208619255 U CN208619255 U CN 208619255U CN 201821195895 U CN201821195895 U CN 201821195895U CN 208619255 U CN208619255 U CN 208619255U
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- methanol
- manifold
- engine
- gasoline
- fuel injector
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 357
- 239000000446 fuel Substances 0.000 claims abstract description 98
- 239000003502 gasoline Substances 0.000 claims abstract description 68
- 239000007921 spray Substances 0.000 claims description 18
- 238000009423 ventilation Methods 0.000 claims description 17
- 239000002826 coolant Substances 0.000 claims description 6
- 230000008450 motivation Effects 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 8
- 239000007924 injection Substances 0.000 abstract description 8
- 230000000087 stabilizing effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 26
- 238000009434 installation Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- COTNUBDHGSIOTA-UHFFFAOYSA-N meoh methanol Chemical compound OC.OC COTNUBDHGSIOTA-UHFFFAOYSA-N 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model provides a kind of injector assembly and methanol engine for methanol engine, is related to methanol engine field.The oily rail assembly for methanol engine of the utility model, including methanol oil spout component and with the mutually independent gasoline oil spout component of methanol oil spout component.Due to being equipped with gasoline cold start fuel injector device at the manifold of each cylinder, directly gasoline is ejected into the manifold of inlet manifold and is mixed with air, and be not directly gasoline is ejected into mixed with air in the air inlet pressure stabilizing cavity of inlet manifold after be redistributed to manifold, the amount of injection of gasoline can be effectively controlled in this way, it avoids the problem that methanol engine engine cold-start because caused by for shortage of oil in cold start-up fails, and methanol engine is avoided to cause to discharge exceeded problem because oil spout is excessive in cold start-up.
Description
Technical field
The utility model relates to methanol engine fields, more particularly to a kind of injector assembly for methanol engine
And methanol engine.
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 calorific value is about the half of bavin Water Oil Or Gas, and engine issues same function, the fuel needed be approximately diesel oil or
More than twice of gasoline, and equal quality methanol fuel vaporization caloric receptivity is more for the three times of gasoline, comprehensive both sides factor, first
Alcohol vaporization heat absorption is that the pact of the gasoline of equal quality is octuple, causes methanol engine at low ambient temperatures, methanol fuel be difficult to from
Enough heats are absorbed on the cold air on periphery and cold engine component, the vaporization for completing itself simultaneously can with air formation
Gaseous mixture process is fired, causes methanol engine cold start-up difficult.In the prior art, difficult in order to solve methanol engine cold start-up
The problem of, using dual fuel injection system.
And when huge discharge pure methanol engine cold start-up, when amount of gasoline is larger, engine causes in Cold Start
It discharges exceeded；When amount of gasoline is smaller, and it will cause engine cold-start failure.
Utility model content
One purpose of the utility model is to provide for a kind of injector assembly for methanol engine and methanol starts
Machine, not can be effectively controlled gasoline injection amount when solving the problems, such as huge discharge methanol engine cold start-up in the prior art.
The utility model one further objective is that make the spout of fuel injector along inlet manifold axial direction spray, make
Spray penetration is not easy wet wall, is conducive to the evaporation of gasoline from longer.
The utility model another further objective is that provide a kind of methanol engine, using M100 fuel, with drop
Low Engine Emissions object discharge amount.
On the one hand, the utility model provides a kind of injector assembly for methanol engine, comprising:
Methanol oil spout component comprising methanol oil rail and be set on the methanol oil rail and with manifold number in inlet manifold
Identical methanol fuel injector is measured, the methanol fuel injector and the manifold correspond, directly to spray first into the manifold
Alcohol；With
With the mutually independent gasoline oil spout component of the methanol oil spout component, the gasoline oil spout component includes gasoline oil rail
Be set on the gasoline oil rail and gasoline cold start fuel injector device identical with the manifold quantity, the gasoline cold start-up spray
Oily device and the manifold correspond, with the injected petrol directly into the manifold.
Optionally, the gasoline cold start fuel injector device be configured to by fuel injector spout along the manifold axial direction to
Injected petrol in the manifold；
The methanol fuel injector is configured to spray along the axial direction of the manifold into the manifold by fuel injector spout
Penetrate methanol.
Optionally, the injector assembly be configured to according to the temperature of engine coolant through the methanol fuel injector or
The gasoline cold start fuel injector device alternatively sprays fuel into the manifold.
Optionally, the injector assembly is configured to logical when the temperature of the engine coolant is lower than preset temperature
Cross the gasoline cold start fuel injector device into the manifold injected petrol to realize methanol engine cold start-up.
Optionally, the preset temperature is 15 DEG C -25 DEG C.
Optionally, further include oily rail bracket for the injector assembly to be installed to engine.
On the other hand, the utility model additionally provides a kind of methanol engine, and the methanol engine includes engine sheet
Body, gas handling system, crankcase ventilation system and fuel feed system, wherein include above-mentioned spray in the fuel feed system
Oily device assembly.
Optionally, the gas handling system includes electronic throttle, exhaust gas recirculation mixer and inlet manifold, the exhaust gas
Recirculation mixer includes a gas outlet and two air inlets, wherein the air inlet of the gas outlet and the inlet manifold
It is connected, an air inlet is connected with the electronic throttle, another air inlet is connected to exhaust gas recirculation circuit.
Optionally, the crankcase ventilation system is closed crankcase ventilation system；
The closed crankcase ventilation system includes air inlet pipe, gs-oil separator, escape pipe and oil return pipe；Wherein, described
Escape pipe branches into the first escape pipe and the second escape pipe, and after first escape pipe is connected to air cleaner, described second goes out
Tracheae is connected with the air inlet stable cavity, is in series with check valve on second escape pipe.
The oily rail assembly for methanol engine of the utility model, including methanol oil spout component and with methanol oil spout component
Mutually independent gasoline oil spout component.Gasoline oil spout component include gasoline oil rail and be set on gasoline oil rail and with manifold quantity
Corresponding gasoline cold start fuel injector device, gasoline cold start fuel injector device and manifold correspond, for the injected petrol into manifold.
Due to being equipped with gasoline cold start fuel injector device at the manifold of each cylinder, directly by gasoline be ejected into the manifold of inlet manifold with
Air mixing, and be not directly gasoline is ejected into mixed with air in the air inlet pressure stabilizing cavity of inlet manifold after be redistributed to discrimination
Pipe, can effectively control the amount of injection of gasoline in this way, avoid methanol engine hair because caused by for shortage of oil in cold start-up
The problem of motivation cold start-up failure, and methanol engine is avoided to cause to discharge exceeded ask because oil spout is excessive in cold start-up
Topic.
According to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more
Add the above-mentioned and other purposes, advantages and features of clear the utility model.
Detailed description of the invention
Some specific realities of the utility model are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter
Apply example.Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that
The drawings are not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic installation diagram according to the methanol engine of the utility model one embodiment；
Fig. 2 is the schematic apparatus figure of the injector assembly in methanol engine shown in Fig. 1；
Fig. 3 is schematic apparatus figure when injector assembly shown in Fig. 2 is installed to methanol engine；
Fig. 4 is the schematic dress that methanol engine is installed to according to the injector assembly of the utility model another embodiment
Set figure；
Fig. 5 is the schematic apparatus figure of the gas handling system in methanol engine shown in Fig. 1；
Fig. 6 is schematic apparatus figure of the gas handling system under another angle in methanol engine shown in Fig. 1；
Fig. 7 is the schematic apparatus figure of the closed crankcase ventilation system in methanol engine shown in Fig. 1.
Specific embodiment
Fig. 1 is the schematic installation diagram according to the heavy methanol engine of the utility model one embodiment.Fig. 2 is Fig. 1
The schematic apparatus figure of injector assembly in shown methanol engine.Fig. 3 is that injector assembly shown in Fig. 2 is installed to methanol hair
Schematic apparatus figure when motivation.Fig. 4 is that methanol hair is installed to according to the injector assembly of the utility model another embodiment
The schematic apparatus figure of motivation.Fig. 5 is the schematic apparatus figure of the gas handling system in methanol engine shown in Fig. 1.Fig. 6 is Fig. 1
Schematic apparatus figure of the gas handling system under another angle in shown methanol engine.Fig. 7 is in methanol engine shown in Fig. 1
Closed crankcase ventilation system schematic apparatus figure.The first of the utility model embodiment is described referring to Fig. 1 to Fig. 7
Alcohol engine, in the description of the utility model embodiment, the orientation or positional relationship indicated in text is side based on the figure
Position or positional relationship, are merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning
Or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
With reference to Fig. 1, a kind of methanol engine 100 can be light-duty methanol engine, can also be that heavy methanol starts
Machine.Methanol engine 100 is using the pure methanol of M100 as fuel comprising engine body 1, gas handling system 2 and fuel supply
System 3.With further reference to Fig. 4, engine body 1 can be natural gas engine ontology, inside be provided with multiple cylinders 11.Air inlet
System 2 is for providing air into cylinder 11.Inlet manifold 20 in gas handling system 2 includes air inlet pressure stabilizing cavity 21 and steady with air inlet
Press chamber 21 connected and mutually independent multiple manifolds 22.The quantity of manifold 22 is identical as the quantity of cylinder 11 and the two one is a pair of
It answers, manifold 22 runs through engine cylinder cover 12, to spray air into cylinder 11.Fuel feed system 3 is used for engine body 1
Fuel is provided, fuel feed system 3 includes the injector assembly of at least one alone jetting fuel directly into each manifold 22
30, fuel enters cylinder 11 with air after spraying into manifold 22 after evenly mixing.The size and specific structure of injector assembly 30 can
Determined according to the model of methanol engine 100 and size.
Methanol engine 100 in the utility model embodiment is the spark-ignition engine using pure methanol as fuel,
Due to methanol relative to other fuel source, power, cost and in terms of have relative advantage, fuel may be implemented
Cleaning burning, reduces Engine Emissions object discharge amount, is more advantageous to the popularization and application in market.Further, fuel injector is total
At 30 directly into each manifold 22 alone jetting fuel made with ensuring that air in each cylinder 11 and fuel are uniformly mixed
Mixed gas is maintained at chemically correct fuel range and nearby burns, and improves efficiency of combustion.
With reference to Fig. 2, in one embodiment, injection has been separately configured using double oily rails, each oil rail in injector assembly 30
The injector of the fuel, fuel feeding pressure are 4.5bar.Injector assembly 30 is additionally provided with oil return system.Specifically, each oil spout
Device assembly 30 include one for directly into manifold 22 spray methanol methanol oil spout component 31 and one for directly to
The gasoline oil spout component 32 of injected petrol in manifold 22, methanol oil spout component 31 and gasoline oil spout component 32 are mutually indepedent.Methanol
Oil spout component 31 includes methanol oil rail 311 and is set on methanol oil rail 311 and identical as 22 quantity of manifold in inlet manifold 20
Methanol fuel injector 312, methanol fuel injector 312 and manifold 22 correspond, for spraying methanol into manifold 22.Gasoline oil spout
Component 32 includes gasoline oil rail 321 and is set on gasoline oil rail 321 and gasoline cold start fuel injector identical with 22 quantity of manifold
Device 322, gasoline cold start fuel injector device 322 and manifold 22 correspond, for the injected petrol into manifold 22, to realize engine
Cold start-up.Methanol fuel injector and gasoline cold start fuel injector device operating voltage are 24V.
Using above-mentioned injector assembly 30, due to being equipped with gasoline cold start fuel injector device at the manifold 22 of each cylinder 11
322, so that the amount of gasoline sprayed in each cylinder 11 is not only can guarantee engine cold-start, but also it is possible to prevente effectively from order to guarantee to start
Machine is cold-started successfully, and big petrol is sprayed into inlet manifold 20 and causes discharge not up to standard.
Further, it is be easy to cause wet wall since the oily beam that fuel injector spout sprays is ejected on tracheae wall surface, influences vapour
Oil and gasization and cold start-up engine emission, therefore, in a preferred embodiment, gasoline cold start fuel injector device 322 is configured to
By fuel injector spout along the axial direction injected petrol of manifold 22, meanwhile, methanol fuel injector 312 is configured to spray by fuel injector
The axial direction of opening's edge manifold 22 sprays methanol into manifold 22.With reference to Fig. 3, the cylinder cap 12 of engine is vertically arranged, manifold 22
End outlet it is vertical with cylinder cap 12, therefore, when the oil spout direction of fuel injector is arranged, preferably the spout of fuel injector is sprayed
Fuel out is also perpendicularly to cylinder cap 12, and fuel is directly entered cylinder 11 after mixing with air, and avoids being sprayed on tube wall.It that is to say,
Fuel injector is configured to spray methanol along the axial direction of manifold 22 by fuel injector spout.
Further, fuel feed system 3 be configured to according to the temperature of engine coolant through methanol fuel injector 312 or
Gasoline cold start fuel injector device 322 alternatively sprays fuel into manifold 22.Specifically, injector assembly 30 is configured to work as and start
The temperature of machine coolant liquid passes through the injected petrol into inlet manifold 20 of gasoline cold start fuel injector device 322 when being lower than preset temperature.In advance
If temperature be 15 DEG C -25 DEG C, specifically, can according to engine different model or location actual set, can for 15 DEG C,
20 DEG C or 25 DEG C, it can also be any number in 15 DEG C of -25 DEG C of ranges.
When methanol engine is cold-started, gasoline cold-start injector on manifold 22 controllably to 22 injected petrol of manifold,
Gasoline vaporising simultaneously forms combustion mixture with air, and into cylinder 11,13 ignition of spark plug, engine start is operated, to
After warming-up, it is switched to 312 oil spout of methanol fuel injector, gasoline cold-start injector stops oil spout, normal working of engine.In this way,
Fuel supply can use a set of control system, integrates the switching undisturbed of flexibly control two kinds of fuel of methanol and gasoline, realizes
The multipoint sequential injection of methanol, system structure is simple, low in cost, while also solving pure methanol and being brought as vehicle fuel
Cold-starting problem.
With continued reference to Fig. 2, it is unfavorable for quality control and production management in order to avoid the increase of machine part quantity, fuel injector
Assembly 30 further includes the oily rail bracket 33 of fixing fuel injector assembly 30, wherein methanol oil rail 311 and gasoline oil rail 321 pass through group
Bracket is closed to be fixed together or be affixed directly to together.In the embodiment depicted in figure 2, consider the convenience of mounting arrangements,
Methanol oil rail 311 and gasoline oil rail 321 are welded together, injector assembly 30 is fixed to hair by two oily rail brackets 33
In motivation.Before injector assembly 30 is installed to engine, first components in injector assembly 30 are assemblied together, it can
To avoid bad student's error during installation, engine is impacted.Specifically, methanol oil rail 311 and gasoline oil rail 321 are two
Mutually independent oil rail, squarely can be set in oily rail section.The shapes such as round or ellipse.Oily rail is equipped with for installing spray
Fuel injector is fixed on oily rail by the fuel injector mounting base of oily device.Be additionally provided with fuel inlet fitting on oily rail, by fuel inlet fitting with
Fuel tank is connected.
With reference to Fig. 4, region shown in dotted line is an injector assembly 30 shown in Fig. 3 in figure, in the implementation
In example, installation is there are two injector assembly 30 on a kind of heavy type methanol engine 100, due to the body of heavy methanol engine 100
Product is bigger, and using an injector assembly 30, oily rail is long, will affect installation accuracy, in addition, engine is in operational process
Middle generation vibration, is easy to impact long oil rail.In other embodiments, multiple injector assemblies can also be set, specifically
Quantity can be depending on engine model.
As shown in figure 4, a set of Methanol-gasoline oil rail injector assembly contains, 3 methanol fuel injector 312 and 3 gasoline are cold to be opened
Dynamic fuel injector 322, every heavy methanol engine 100 use two sets of 321 injector assemblies 30 of Methanol-gasoline oil rail.Cold start-up
When operating condition, gasoline pump work, methanol air pump inoperative, 6 gasoline cold start fuel injector devices 322 are directly to the manifold being connected with cylinder 11
Injected petrol in 22, gasoline mix well with air after being ejected into manifold 22, into cylinder 11 after lighted by spark plug 13；Work as temperature
After degree reaches preset threshold, engine is under nominal situation, methanol pump work, gasoline air pump inoperative, 6 methanol fuel injectors
312 spray methanol into manifold 22.In this embodiment, ECU need at most control 6 fuel injectors under any operating condition.Using the fuel
Feed system 3, mechanism is simple, and control logic is also succinct, at low cost.
It further include exhaust gas recirculation mixer (EGR mixer) and electronic throttle with reference to Fig. 5 and Fig. 6 gas handling system 2,
EGR mixer includes a gas outlet and two air inlets, wherein and gas outlet is connected with the air inlet of air inlet pressure stabilizing cavity 21,
One air inlet is connected with electronic throttle, another air inlet is connected to exhaust gas recirculation circuit.Further, each manifold
It is opened up on 22 there are two atomizer mounting hole, is respectively intended to installation methanol nozzle and gasoline cold start nozzle.Gas handling system 2 can
Realize that each cylinder is equal by optimization intake airflow dynamics model to improve each cylinder intake uniformity of inlet manifold 20 so that each cylinder air-fuel ratio is balanced
Even burning, to promote engine economy, dynamic property and discharge.Oil spout is arranged on each manifold 22 of inlet manifold 20
Device mounting hole is to realize the multipoint sequential injection of fuel.
It continues to refer to figure 1, methanol engine 100 further includes for handling the gas blowby in crankcase with the pressure of balance crankshaft case
The crankcase ventilation system 4 of power.Open crank case ventilating system 4 or closed crankcase ventilation system 4 can be used in engine.
With reference to Fig. 7, in the present embodiment, in order to further make discharge meet laws and regulations requirement, methanol engine uses enclosed
Crankcase ventilation system.It is matched by closed crankcase ventilation system with fuel feed system 3, crankcase emissions can be made
It comes back to engine body 1 and participates in burning, reduce pollutant discharge amount.Closed crankcase ventilation system 4 include air inlet pipe 41,
Gs-oil separator 42, escape pipe 43 and oil return pipe 44；Wherein, escape pipe 43 branches into the first escape pipe 431 and the second escape pipe
432, after the first escape pipe 431 is connected to air cleaner, the second escape pipe 432 is connected with air inlet stable cavity, the second escape pipe
Check valve 45 is in series on 432.
Closed crankcase ventilation system working principle is as follows: engine is in idling and underload, 20 vacuum of inlet manifold
Degree is big, and crankcase gas blowby enters inlet manifold 20 through gs-oil separator 42 and Pcv valve；At this time since crankcase gas leakage is few, and
And can be effectively discharged by Pcv valve, crankcase pressure can be lower than air inlet tube internal pressure after air filter, has portion gas and passes through sky
Filter side ventilation duct enters in crankcase, with balance crankshaft case pressure.Engine in big-and-middle load, due to throttle opening compared with
Greatly, and booster calm the anger after pressure it is higher, pressure rise is positive pressure in inlet manifold 20, and Pcv valve is closed, crankcase gas blowby at this time
It is discharged by air filter side ventilation duct, prevents crankcase pressure excessively high.Check valve 45 is configured to be greater than in the pressure of air inlet stable cavity
It closes when the pressure of crankcase, is opened when the pressure of air inlet stable cavity is less than the pressure of crankcase.
Methanol engine 100 in above-described embodiment may be implemented to discharge, methanol supply, igniting, theoretical air-fuel
Than the control of, pinking, EGR, Valve EGR, engine cold-start, EOBD diagnosis etc., it is right to meet heavy methanol engine 100
The functional requirement of electric-control system.
So far, although those skilled in the art will appreciate that the more of the utility model have been shown and described in detail herein
A exemplary embodiment still, still can be according to the utility model public affairs in the case where not departing from the spirit and scope of the utility model
The content opened directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, this is practical new
The range of type is understood that and regards as to cover all such other variations or modifications.
Claims (9)
1. a kind of injector assembly for methanol engine characterized by comprising
Methanol oil spout component comprising methanol oil rail and be set on the methanol oil rail and with manifold quantity phase in inlet manifold
Same methanol fuel injector, the methanol fuel injector and the manifold correspond, directly to spray methanol into the manifold；With
With the mutually independent gasoline oil spout component of the methanol oil spout component, the gasoline oil spout component includes gasoline oil rail and sets
It is placed on the gasoline oil rail and gasoline cold start fuel injector device identical with the manifold quantity, the gasoline cold start fuel injector device
It is corresponded with the manifold, with the injected petrol directly into the manifold.
2. injector assembly according to claim 1, which is characterized in that
The gasoline cold start fuel injector device be configured to by fuel injector spout along the manifold axial direction into the manifold
Injected petrol；
The methanol fuel injector is configured to spray first into the manifold along the axial direction of the manifold by fuel injector spout
Alcohol.
3. injector assembly according to claim 1 or 2, which is characterized in that the injector assembly is configured to according to hair
The temperature of motivation coolant liquid is alternatively sprayed into the manifold by the methanol fuel injector or the gasoline cold start fuel injector device
Penetrate fuel.
4. injector assembly according to claim 3, which is characterized in that the injector assembly is configured to when the hair
The temperature of motivation coolant liquid be lower than preset temperature when by the gasoline cold start fuel injector device into the manifold injected petrol with
Realize the methanol engine cold start-up.
5. injector assembly according to claim 4, which is characterized in that the preset temperature is 15 DEG C -25 DEG C.
6. injector assembly according to claim 4, which is characterized in that further include for installing the injector assembly
To the oily rail bracket of engine.
7. a kind of methanol engine, which is characterized in that the methanol engine includes engine body, gas handling system, crankcase
Ventilating system and fuel feed system, wherein include as of any of claims 1-6 in the fuel feed system
Injector assembly.
8. methanol engine according to claim 7, which is characterized in that the gas handling system includes electronic throttle, gives up
Gas recirculation mixer and inlet manifold, the exhaust gas recirculation mixer include a gas outlet and two air inlets, wherein
The gas outlet is connected with the air inlet of the inlet manifold, and an air inlet is connected with the electronic throttle, another
Air inlet is connected to exhaust gas recirculation circuit.
9. methanol engine according to claim 7, which is characterized in that
The crankcase ventilation system is closed crankcase ventilation system；
The closed crankcase ventilation system includes air inlet pipe, gs-oil separator, escape pipe and oil return pipe；Wherein, the outlet
Pipe branches into the first escape pipe and the second escape pipe, after first escape pipe is connected to air cleaner, second escape pipe
It is connected with the air inlet stable cavity, is in series with check valve on second escape pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821195895.9U CN208619255U (en) | 2018-07-26 | 2018-07-26 | Injector assembly and methanol engine for methanol engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821195895.9U CN208619255U (en) | 2018-07-26 | 2018-07-26 | Injector assembly and methanol engine for methanol engine |
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| Publication Number | Publication Date |
|---|---|
| CN208619255U true CN208619255U (en) | 2019-03-19 |
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| CN201821195895.9U Active CN208619255U (en) | 2018-07-26 | 2018-07-26 | Injector assembly and methanol engine for methanol engine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206668A (en) * | 2019-04-19 | 2019-09-06 | 浙江派尼尔科技股份有限公司 | A kind of oily rail of intelligence of suitable V6 engine air digitlization pressurization and adjusting |
| CN114233494A (en) * | 2021-09-29 | 2022-03-25 | 太原理工大学 | Cold starting device and method for methanol engine |
-
2018
- 2018-07-26 CN CN201821195895.9U patent/CN208619255U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206668A (en) * | 2019-04-19 | 2019-09-06 | 浙江派尼尔科技股份有限公司 | A kind of oily rail of intelligence of suitable V6 engine air digitlization pressurization and adjusting |
| CN110206668B (en) * | 2019-04-19 | 2022-12-16 | 浙江派尼尔科技股份有限公司 | Intelligent oil rail suitable for digital air pressurization and adjustment of V6 engine |
| CN114233494A (en) * | 2021-09-29 | 2022-03-25 | 太原理工大学 | Cold starting device and method for methanol engine |
| CN114233494B (en) * | 2021-09-29 | 2023-07-11 | 太原理工大学 | Cold starting device and method for methanol engine |
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Effective date of registration: 20240307 Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Country or region after: China Patentee after: Zhejiang Geely Remote New Energy Commercial Vehicle Group Co.,Ltd. Patentee after: Tianjin Alcohol Hydrogen Research and Development Co.,Ltd. Address before: Room 612, building 1, 1760 Jiangling Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG GEELY NEW ENERGY COMMERCIAL VEHICLES Co.,Ltd. Country or region before: China Patentee before: GEELY SICHUAN COMMERCIAL VEHICLE Co.,Ltd. Patentee before: NANCHONG GEELY COMMERCIAL VEHICLE RESEARCH INSTITUTE CO.,LTD. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |