CN109458277A - Engine with supercharger fuel oil desorption system - Google Patents
Engine with supercharger fuel oil desorption system Download PDFInfo
- Publication number
- CN109458277A CN109458277A CN201811581262.6A CN201811581262A CN109458277A CN 109458277 A CN109458277 A CN 109458277A CN 201811581262 A CN201811581262 A CN 201811581262A CN 109458277 A CN109458277 A CN 109458277A
- Authority
- CN
- China
- Prior art keywords
- engine
- fuel oil
- desorption system
- air inlet
- threeway
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003795 desorption Methods 0.000 title claims abstract description 53
- 239000000295 fuel oil Substances 0.000 title claims abstract description 49
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 239000002828 fuel tank Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M2025/0845—Electromagnetic valves
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
Abstract
This application discloses a kind of engine with supercharger fuel oil desorption system, which includes canister, inlet manifold, turbocharger, double-way check valve and threeway Venturi tube；The high pressure outlet air end of the turbocharger is connect with the inlet manifold；The air inlet of the double-way check valve is connected to the canister, and the first gas outlet of the double-way check valve is connected to the inlet manifold；First inlet end of the threeway Venturi tube is connect with the high pressure outlet air end of the turbocharger, second inlet end of the threeway Venturi tube is connect with the second gas outlet of the double-way check valve, and the outlet side of the threeway Venturi tube is connect with the low-pressure admission end of the turbocharger.For the application while realizing the desorption of the fuel-steam under positive pressure environment, structure is simple, reduces the quantity of components and connecting line in fuel oil desorption system, has saved space, is easy to complete machine arrangement.
Description
Technical field
This application involves petrol engine fuel evaporation control systems, and in particular to a kind of engine with supercharger fuel oil desorption system
System.
Background technique
Fuel oil evaporation desorption system used by traditional natural aspirated engine at present, by activated carbon canister, Valve EGR,
Connecting line composition, the desorption of fuel-steam is realized by the negative pressure generated in inlet manifold；For turbocharged engine
Speech is negative pressure in inlet manifold when turbocharger does not work, and the desorption process of fuel-steam is sent out with natural aspiration
Motivation is consistent, and the desorption of fuel-steam is realized by negative pressure.And be positive pressure when turbocharger operation, in inlet manifold, this
When fuel-steam cannot achieve and be voluntarily desorbed.If without auxiliary device offer subnormal ambient state, the desorption of fuel-steam
Journey is unable to complete, and be may cause fuel-steam leakage, is polluted the consequence of atmospheric environment.Additional increase is generallyd use at this stage
The mode of other electronic devices, realizes the fuel oil desorption under positive pressure environment state, and this mode will greatly increase engine zero
The quantity of component, the problem of bringing difficult arrangement, cost to be significantly increased.
Summary of the invention
In order to overcome the above-mentioned problems of the prior art, the main purpose of the application is that providing one kind can realize
The fuel oil of direct draught is desorbed and the simple engine with supercharger fuel oil desorption system of structure.
To achieve the goals above, the application specifically uses following technical scheme:
The application provides a kind of engine with supercharger fuel oil desorption system, which includes canister, inlet manifold, turbocharging
The high pressure outlet air end of device, double-way check valve and threeway Venturi tube, the turbocharger is connect with the inlet manifold；It is described
The air inlet of double-way check valve is connected to the canister, and the first gas outlet of the double-way check valve and the inlet manifold connect
It is logical；First inlet end of the threeway Venturi tube is connect with the high pressure outlet air end of the turbocharger, threeway text mound
In the second inlet end of pipe connect with the second gas outlet of the double-way check valve, the outlet side of the threeway Venturi tube and institute
State the low-pressure admission end connection of turbocharger.
Preferably, the threeway Venturi tube includes the first air inlet pipe, the second air inlet pipe and an air outlet pipe, threeway text mound
In pipe the first inlet end, the second inlet end and outlet side be respectively arranged at first air inlet pipe, second air inlet pipe and
The escape pipe, first air inlet pipe, second air inlet pipe are connected with the escape pipe, and the aperture of the junction
Aperture than any one of first air inlet pipe, second air inlet pipe and the escape pipe three is small.
Preferably, first air inlet pipe and the escape pipe are coaxially set, second air inlet pipe and described first
Air inlet pipe or escape pipe near normal setting.
Preferably, the double-way check valve includes valve body, main valve piece and secondary valve block, the air inlet, the first gas outlet and
Second gas outlet is respectively arranged at the valve body, and first gas outlet is arranged in the main valve piece, and the pair valve block is set to institute
State the second gas outlet.
Preferably, the engine with supercharger fuel oil desorption system further includes pressure sensor, and the pressure sensor is used for
Monitor the pressure value in engine with supercharger fuel oil desorption system.
Preferably, the valve body is provided with mounting hole, and the mounting hole is located at second gas outlet, the pressure sensing
Device is installed on the mounting hole.
Preferably, the engine with supercharger fuel oil desorption system further includes solenoid valve, and the solenoid valve is set to the carbon
Pipeline between tank and the air inlet of the double-way check valve.
Preferably, the solenoid valve is set as normally off.
Preferably, the engine with supercharger fuel oil desorption system further includes electronic throttle, and the electronic throttle is used for
Control the on-off of the pipeline between the turbocharger and the inlet manifold.
Preferably, the engine with supercharger fuel oil desorption system further includes intercooler, the intercooler setting
In the high pressure outlet air end of the turbocharger.
The application utilizes the first inlet end of threeway Venturi tube and the pressure at outlet side both ends in turbocharger operation
Power is poor, negative pressure is generated at the second inlet end of threeway Venturi tube, to make the second of double-way check valve by this negative pressure
Outlet is opened, and then in the oil gas sucking turbocharger in canister, realizes the desorption of the fuel-steam under positive pressure environment,
Structure is simple, reduces the quantity of components and connecting line in fuel oil desorption system, has saved space, is easy to complete machine vehicle cloth
It sets.
Detailed description of the invention
Fig. 1 is the structure chart of the engine with supercharger fuel oil desorption system of the embodiment of the present application；
Fig. 2 is that schematic diagram is desorbed in the fuel oil of the engine with supercharger fuel oil desorption system of the embodiment of the present application；
Fig. 3 is the threeway Venturi tube schematic diagram of internal structure of the embodiment of the present application；
Fig. 4 is the internal structure chart of the double-way check valve of the embodiment of the present application；
Attached drawing mark:
1- fuel tank；
2- canister；
3- inlet manifold；
4- turbocharger；
5- double-way check valve；
51- valve body；
511- air inlet；
The first gas outlet 512-；
The second gas outlet 513-；
514- mounting hole；
52- main valve piece；
53- pair valve block；6- threeway Venturi tube；
The first air inlet pipe of 61-；
The second air inlet pipe of 62-；
63- escape pipe；
7- pressure sensor；
8- solenoid valve；
9- electronic throttle；
10- intercooler；
11- air cleaner；
12- exhaust manifold；
The first connecting tube of 13-；
The second connecting tube of 14-；
15- third connecting tube.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, and
It is not used in restriction the application.
As shown in Figure 1 and Figure 2, embodiments herein discloses a kind of engine with supercharger fuel oil desorption system, the system packet
Include fuel tank 1, canister 2, inlet manifold 3, turbocharger 4, double-way check valve 5, threeway Venturi tube 6, solenoid valve 8, electronics section
Valve 9, intercooler 10 and air cleaner 11.The gas outlet of fuel tank 1 is connect with the inlet end of canister 2, the outlet of canister 2
End is connect with the inlet end of solenoid valve 8.The outlet side of solenoid valve 8 is connect with the air inlet 511 of double-way check valve 5, and bilateral is unidirectional
First gas outlet 512 of valve 5 is connect with the inlet end of inlet manifold 3, engine of the inlet manifold 3 through exhaust manifold 12 Yu vehicle
Connection.Second gas outlet 513 of double-way check valve 5 is connected to through the first connecting tube 13 with the second inlet end of threeway Venturi tube 6.
First inlet end of threeway Venturi tube 6 is connect with the high pressure outlet air end of turbocharger 4, the outlet side of threeway Venturi tube 6
It is connect with the low-pressure admission end of turbocharger 4.The low-pressure admission end of turbine turbocharger 4 also connects with air cleaner 11
It connects, the high pressure outlet air end of turbocharger 4 is also connect through the second connecting tube 14 with the inlet end of intercooler 10.Charge inter cooling
The outlet side of device 10 is connect through third connecting tube 15 with the inlet end of inlet manifold 3.Electronic throttle 9 is set to inlet manifold 3
Inlet end, for controlling the on-off of the pipeline between intercooler 10 and inlet manifold 3.
The application is controlled when turbocharger 4 does not work in the air mass flow that 9 pairs of electronic throttle suck
Under effect, negative pressure is generated in inlet manifold 3, the suction-operated of negative pressure connects the pipeline between inlet manifold 3 and solenoid valve 8
Logical, fuel oil desorption process at this time is consistent with the fuel oil desorption process of naturally aspirated engine, in the work of the negative pressure of inlet manifold 3
Under, fuel-steam successively along fuel tank 1, canister 2, solenoid valve 8, double-way check valve 5 inflow inlet manifold 3 in, and pass through
Inlet manifold 3, which is sent into engine, burns, to realize the desorption of fuel oil.
When turbocharger 4 works, inlet manifold 3, intercooler 10, the second connecting tube 14 and third connect the application
It is the high pressure gas of barotropic state in adapter tube 15, and is negative in the pipeline between turbocharger 4 and air cleaner 11
The low-pressure gas of pressure condition.At this point, using the first inlet end of threeway Venturi tube 6 and the pressure difference at outlet side both ends, three
Negative pressure is generated at second inlet end of logical Venturi tube 6, is made between threeway Venturi tube 6 and solenoid valve 8 by this negative pressure
Pipeline connection, and under the action of the negative pressure, make fuel-steam successively along fuel tank 1, canister 2, solenoid valve 8, double-way check valve
5, the first connecting tube 13, threeway Venturi tube 6, turbocharger 4, the second connecting tube 14, intercooler 10 and third connection
Pipe 15 flows into inlet manifold 3, and is sent into engine and is burnt by inlet manifold 3, to realize the desorption of fuel oil.
As shown in figure 3, threeway Venturi tube 6 includes the first air inlet pipe 61, the second air inlet pipe 62 and escape pipe 63.First into
Tracheae 61, the second air inlet pipe 62 are connected with escape pipe 63, and the first air inlet pipe of the aperture ratio of the junction 61, second into
The aperture of any one of 63 three of tracheae 62 and escape pipe is small, to constitute Venturi tube structure.The first of threeway Venturi tube 6
Inlet end, the second inlet end and outlet side are respectively arranged at the first air inlet pipe 61, the second air inlet pipe 62 and escape pipe 63.Work as threeway
First inlet end of Venturi tube 6 and outlet side both ends generate pressure difference, then generate in the second inlet end of threeway Venturi tube 6
Negative pressure.
And in order to reduce the resistance of oil gas circulation, the first air inlet pipe 61 is coaxially set with escape pipe 63, the second air inlet pipe
62 and 61 near normal of the first air inlet pipe be arranged.
As shown in figure 4, double-way check valve 5 includes valve body 51, main valve piece 52 and secondary valve block 53.Air inlet 511, the first outlet
Mouth 512 and the second gas outlet 513 are respectively arranged at valve body 51.Main valve piece 52 is set to the first gas outlet 512, and it is unidirectional to constitute first
Valve arrangement；Secondary valve block 53 is set to the second gas outlet 513, constitutes second one-way valve structure.
The engine with supercharger fuel oil desorption system of the application further includes pressure sensor 7, is located at the second outlet on valve body 51
It is provided with mounting hole 514 at mouth 513, pressure sensor 7 is installed on the mounting hole 514.Connected by the monitoring of pressure sensor 7 first
Pressure change in adapter tube 13, and pressure signal is defeated by electronic control unit, to control electromagnetism by electronic control unit
Valve 8 opens or closes.The turbocharger fuel oil desorption system can be also judged by the monitoring result of pressure sensor 7 simultaneously
It is whether working properly.Realize the purpose for having diagnostic function to fuel oil desorption system of six laws and regulations requirement of state.Such as: working as pressure sensing
When the pressure value that device 7 measures is more than or less than a certain predetermined value, then judges the turbocharger non-normal working, only work as pressure
When the pressure value that sensor 7 measures is in a certain preset range value, just judge that the turbocharger fuel oil desorption system is normal
Working condition.
In the present embodiment, solenoid valve 8 is normally off, can avoid the progress always of fuel oil desorption, linearly opens
Characteristic can control the fuel oil desorption flow flowed through, and avoiding the fuel-steam being excessively desorbed from entering burning in engine causes
The roughness of engine.
The application is controlled when turbocharger 4 does not work in the air mass flow that 9 pairs of electronic throttle suck
Under effect, negative pressure is generated in inlet manifold 3, the effect of negative pressure is so that the main valve piece 52 of double-way check valve 5 is opened, the first check valve
Structure is in the open state；Secondary valve block 53 is closed, and second one-way valve structure is in close state.Then fuel oil desorption process with from
The fuel oil desorption process of right aspirated engine is consistent, and under the action of the negative pressure of inlet manifold 3, fuel-steam is successively along fuel tank
1, it in the inflow inlet manifold 3 of canister 2, solenoid valve 8, double-way check valve 5, and is sent into engine and is carried out by inlet manifold 3
Burning, to realize the desorption of fuel oil.
When turbocharger 4 works, inlet manifold 3, intercooler 10, the second connecting tube 14 and third connect the application
It is the high pressure gas of barotropic state in adapter tube 15, and is negative in the pipeline between turbocharger 4 and air cleaner 11
The low-pressure gas of pressure condition.At this point, the first inlet end of threeway Venturi tube 6 is in high pressure gas environment state, threeway text mound
In the outlet side of pipe 6 be in low pressure atmospheres state, under the action of pressure at two ends difference, gas is along threeway Venturi tube 6
The first inlet end to outlet extreme direction flow.When gas flows through the first air inlet pipe 61, the second air inlet pipe 62 and escape pipe 63 3
When the intersection of person, inner hole aperture becomes smaller, and the volumetric flow of gas due to flowing through the intersection in the unit time does not change, then
Air-flow velocity increase can be generated, pressure rapidly reduces, the phenomenon that generating negative pressure, thus in the second air inlet of threeway Venturi tube 6
End generates the negative pressure pressure of the first inlet end and outlet side internal pressure far below threeway Venturi tube 6.And then in air inlet discrimination
Under the collective effect of the negative pressure pressure of second inlet end of the normal pressure and threeway Venturi tube 6 of pipe 3, the master of double-way check valve 5
Valve block 52 is closed, and the first check configuration is in close state.Secondary valve block 53 is opened, and second one-way valve structure is in the open state,
By the negative pressure generated at the second inlet end of threeway Venturi tube 6 by the fuel-steam inspiration in canister 2 to air cleaner
11 outlet, then successively through turbocharger 4, the second connecting tube 14, intercooler 10 and third connecting tube 15 flow into
It in gas manifold 3, and is sent into engine and is burnt by inlet manifold 3, to realize the desorption of fuel oil.
Since temperature is too high after the pressurization of turbocharger 4 for fuel-steam, it is easy leakage, and the fuel-steam of high temperature enters
Engine will affect the performance of engine.The fuel oil that the application flows out after being pressurized turbocharger 4 by intercooler 10
Steam is cooled down, it is therefore prevented that the leakage of fuel-steam, while avoiding high temp oil-fired steam and entering engine and influence to start
The performance of machine.
The preferable specific embodiment of the above, only the application, but the protection scope of the application is not limited thereto,
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by anyone skilled in the art,
Should all it cover within the scope of protection of this application.Therefore, the protection scope of the application should be with scope of protection of the claims
Subject to.
Claims (10)
1. a kind of engine with supercharger fuel oil desorption system characterized by comprising
Canister；
Inlet manifold；
The high pressure outlet air end of turbocharger, the turbocharger is connect with the inlet manifold；
Double-way check valve, the air inlet of the double-way check valve are connected to the canister, the first outlet of the double-way check valve
Mouth is connected to the inlet manifold；And
Threeway Venturi tube, the first inlet end of the threeway Venturi tube and the high pressure outlet air end of the turbocharger connect
It connects, the second inlet end of the threeway Venturi tube is connect with the second gas outlet of the double-way check valve, threeway text mound
In the outlet side of pipe connect with the low-pressure admission end of the turbocharger.
2. engine with supercharger fuel oil desorption system according to claim 1, which is characterized in that the threeway Venturi tube packet
Include the first air inlet pipe, the second air inlet pipe and an air outlet pipe, the first inlet end, the second inlet end and the outlet of the threeway Venturi tube
End is respectively arranged at first air inlet pipe, second air inlet pipe and the escape pipe, first air inlet pipe, described second
Air inlet pipe is connected with the escape pipe, and the first air inlet pipe described in the aperture ratio of the junction, second air inlet pipe and
The aperture of any one of the escape pipe three is small.
3. engine with supercharger fuel oil desorption system according to claim 2, which is characterized in that first air inlet pipe and institute
It states escape pipe to be coaxially set, second air inlet pipe and first air inlet pipe or the escape pipe near normal are arranged.
4. engine with supercharger fuel oil desorption system according to claim 1, which is characterized in that the double-way check valve includes
Valve body, main valve piece and secondary valve block, the air inlet, the first gas outlet and the second gas outlet are respectively arranged at the valve body, described
First gas outlet is arranged in main valve piece, and the pair valve block is set to second gas outlet.
5. engine with supercharger fuel oil desorption system according to claim 4, which is characterized in that the engine with supercharger fuel oil
Desorption system further includes pressure sensor, and the pressure sensor is used to monitor the pressure in engine with supercharger fuel oil desorption system
Value.
6. engine with supercharger fuel oil desorption system according to claim 5, which is characterized in that the valve body is provided with installation
Hole, the mounting hole are located at second gas outlet, and the pressure sensor is installed on the mounting hole.
7. engine with supercharger fuel oil desorption system according to claim 5, which is characterized in that the engine with supercharger fuel oil
Desorption system further includes solenoid valve, and the solenoid valve is set to the pipe between the canister and the air inlet of the double-way check valve
Road.
8. engine with supercharger fuel oil desorption system according to claim 7, which is characterized in that the solenoid valve is set as normal
Closed state.
9. engine with supercharger fuel oil desorption system according to claim 1, which is characterized in that the engine with supercharger fuel oil
Desorption system further includes electronic throttle, the electronic throttle for control the turbocharger and the inlet manifold it
Between pipeline on-off.
10. engine with supercharger fuel oil desorption system according to claim 1, which is characterized in that the engine with supercharger combustion
Oily desorption system further includes intercooler, and the intercooler is set to the high pressure outlet air end of the turbocharger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811581262.6A CN109458277A (en) | 2018-12-24 | 2018-12-24 | Engine with supercharger fuel oil desorption system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811581262.6A CN109458277A (en) | 2018-12-24 | 2018-12-24 | Engine with supercharger fuel oil desorption system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109458277A true CN109458277A (en) | 2019-03-12 |
Family
ID=65614518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811581262.6A Pending CN109458277A (en) | 2018-12-24 | 2018-12-24 | Engine with supercharger fuel oil desorption system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109458277A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671172A (en) * | 2019-09-06 | 2020-01-10 | 李钢 | Methanol fuel outboard engine double-turbine supercharging closed-loop control efficient purification system |
| CN110985248A (en) * | 2019-12-27 | 2020-04-10 | 郑州日产汽车有限公司 | Air inlet system of supercharged engine |
| CN113153583A (en) * | 2021-04-09 | 2021-07-23 | 河北亚大汽车塑料制品有限公司 | Venturi tube and automobile fuel steam desorption system |
| CN114033582A (en) * | 2021-11-12 | 2022-02-11 | 中船动力研究院有限公司 | Gas, ventilative distributor and boats and ships |
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| CN207131503U (en) * | 2017-07-25 | 2018-03-23 | 广州汽车集团股份有限公司 | Canister desorption apparatus and automobile |
| CN207761831U (en) * | 2017-12-31 | 2018-08-24 | 重庆小康工业集团股份有限公司 | Threeway pipe assembly for EVAP Evaporative System |
| CN209163961U (en) * | 2018-12-24 | 2019-07-26 | 重庆小康工业集团股份有限公司 | Engine with supercharger fuel oil desorption system |
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| KR20080015246A (en) * | 2006-08-14 | 2008-02-19 | 현대자동차주식회사 | Purge system for engine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671172A (en) * | 2019-09-06 | 2020-01-10 | 李钢 | Methanol fuel outboard engine double-turbine supercharging closed-loop control efficient purification system |
| CN110985248A (en) * | 2019-12-27 | 2020-04-10 | 郑州日产汽车有限公司 | Air inlet system of supercharged engine |
| CN113153583A (en) * | 2021-04-09 | 2021-07-23 | 河北亚大汽车塑料制品有限公司 | Venturi tube and automobile fuel steam desorption system |
| CN114033582A (en) * | 2021-11-12 | 2022-02-11 | 中船动力研究院有限公司 | Gas, ventilative distributor and boats and ships |
| CN114033582B (en) * | 2021-11-12 | 2023-02-03 | 中船动力研究院有限公司 | Gas, ventilative distributor and boats and ships |
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