CN202789210U - Automotive fuel evaporation control system - Google Patents
Automotive fuel evaporation control system Download PDFInfo
- Publication number
- CN202789210U CN202789210U CN 201220455591 CN201220455591U CN202789210U CN 202789210 U CN202789210 U CN 202789210U CN 201220455591 CN201220455591 CN 201220455591 CN 201220455591 U CN201220455591 U CN 201220455591U CN 202789210 U CN202789210 U CN 202789210U
- Authority
- CN
- China
- Prior art keywords
- knock out
- out drum
- canister
- fuel
- tank
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
Abstract
The utility model discloses an automotive fuel evaporation control system, which comprises a fuel tank and a carbon tank, wherein the carbon tank is connected with the fuel tank through a fuel evaporation pipeline, and is connected with an engine intake manifold through a carbon tank control valve, and a buffering tank is also connected onto the fuel evaporation pipeline for connecting the fuel tank with the carbon tank; and an air inlet and an air outlet are formed at the top of the buffering tank, the air inlet is connected with the fuel tank through the fuel evaporation pipeline, and the air outlet is connected with the carbon tank through the fuel evaporation pipeline. The automotive fuel evaporation control system can effectively prevent liquid gasoline from entering the carbon tank, so that the service life of the carbon tank is prolonged, and the use ratio of fuel is improved.
Description
Technical field
The utility model relates to a kind of EVAP Evaporative System, specifically relates to a kind of liquid gasoline that prevents and enters the vehicle fuel oil evaporation system of carbon pipe.
Background technique
The effect of fuel evaporation control system is to prevent that the gasoline vapor that evaporates in the automotive oil tank from entering atmosphere and causing atmospheric pollution.Gasoline vapor in the fuel tank enters in the canister through pipeline, has been full of activated carbon granule in the canister, the petrol molecule of active carbon in can absorbing gasoline steam.When engine running, open canister control valve, under the effect of air-distributor vacuum suction, fresh air enters from the canister below, through behind the active carbon again the outlet from canister enter into engine intake manifold, the petrol molecule that is adsorbed on the active carbon is sent into engine combustion, thereby but the consumption of reduce fuel oil reduces atmospheric pollution.
There is a problem in existing fuel evaporation control system, when fuel tank refuels overfill, liquid gasoline enters in the canister along pipeline easily, these liquid fuels enter canister not only can consist of harm to canister itself, affect the discharging of automobile, and can flow into intake manifold along pipeline and cause that spark plug " is drowned ", cause automobile fuel filler just flame-out until the serious consequence that can't start.
" a kind of fuel evaporation control system " disclosed on the Chinese patent literature, application publication number is CN102536527A, by between fuel tank and canister, setting up a Tipping valve, thereby can avoid that gasoline directly flows into canister from mailbox when automobile generation rollover accident.Yet Tipping valve is in open mode at ordinary times, thereby when fuel tank refueled overfill, liquid gasoline still may enter in the canister by pipeline.
The model utility content
The utility model is for the existing liquid gasoline of the fuel evaporation control system that solves prior art enters problem in the canister along pipeline easily, provides a kind of liquid gasoline that can effectively stop to enter the vehicle fuel oil evaporation control system of canister.
To achieve these goals, the utility model is by the following technical solutions: a kind of vehicle fuel oil evaporation control system, the canister that comprises fuel tank, is connected with fuel tank by fuel evaporation pipeline, canister is connected with engine intake manifold by canister control valve, also is connected with knock out drum on the fuel evaporation pipeline that connects fuel tank and canister.
The utility model is by setting up a knock out drum at the fuel evaporation pipeline that connects fuel tank and canister, and the liquid gasoline that making splashes enters in the pipeline is stayed in the knock out drum by storage, and is stored in the knock out drum.When the liquid gasoline in the knock out drum accumulates when a certain amount of, can open knock out drum, the liquid gasoline in the knock out drum is discharged re-use, thereby can prevent liquid gasoline from entering canister and cause canister to lose efficacy.Because gasoline has high volatile volatile, therefore, after being evaporated, the gasoline major part in the knock out drum enters in the canister, and only have the gasoline of minute quantity to accumulate to get off, like this, knock out drum can use the long period and need not cleaning, is conducive to simplify the maintenance of system.
As preferably, the bottom of described knock out drum is provided with liquid port, is sealedly connected with liquid-discharging tube on the liquid port, and the port of liquid-discharging tube is provided with sealing cover.The discharge of knock out drum inner product liquid storage attitude gasoline is convenient in the setting of liquid port, and the setting of liquid-discharging tube says conveniently that then liquid gasoline is discharged in the small-bore container, avoids spilling of gasoline.
As preferably, the top of described knock out drum is provided with suction port and air outlet, and suction port is connected with fuel tank by fuel evaporation pipeline, and the air outlet is connected with canister by fuel evaporation pipeline.Suction port and air outlet are separately positioned on the top of knock out drum, guarantee that the liquid gasoline that enters knock out drum stayed in the knock out drum by storage, simultaneously, can effectively avoid the liquid gasoline in the knock out drum again to enter in the canister by fuel evaporation pipeline.
As preferably, be provided with vertically some grids that intersect in length and breadth in the described knock out drum, leave the gap between the bottom inside face of the bottom of grid and knock out drum, leave the gap between the inside top face of the top of grid and knock out drum.Grid is divided into a plurality of little spaces with knock out drum; when automobile running; knock out drum can produce violent vibrations and rock; accumulating in gasoline in the less space that is divided into by grid in the knock out drum shock range that fluctuates up and down can reduce significantly, thereby can guarantee that the liquid gasoline in the knock out drum can not enter in the canister.
As preferably, the side of described knock out drum is provided with transparent level window, thereby conveniently observes the liquid gasoline amount of accumulating in the knock out drum, so that the user discharges the liquid gasoline in the knock out drum in time.
Therefore, the utlity model has following beneficial effect: can effectively stop liquid gasoline to enter canister, prolong the working life of canister, and improve the utilization ratio of fuel oil.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the structural representation of knock out drum in the utility model.
Among the figure: 1, fuel tank 2, knock out drum 21, liquid port 22, liquid-discharging tube 23, sealing cover 24, suction port 25, air outlet 26, level window 27, grid 3, canister 4, canister control valve.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Among the embodiment as shown in Figure 1, a kind of vehicle fuel oil evaporation control system, comprise fuel tank 1, canister 3 and a knock out drum 2, knock out drum is used for storage and accumulates liquid gasoline, knock out drum is a sealed shell of tank, its bottom is provided with a liquid port 21, be sealedly connected with liquid-discharging tube 22 on the liquid port, and in the port of liquid-discharging tube sealing cover 23 is set, the sidewall of knock out drum is provided with buckle, flexible liquid-discharging tube upwards is fixed on the buckle after the bending, makes sealing cover be higher than the top of knock out drum, thereby is conducive to avoid the liquid gasoline in the hermetically sealed can to leak from sealing cover.The top of knock out drum then is respectively equipped with suction port 24 and air outlet 25, and suction port is connected with fuel tank by fuel evaporation pipeline, and the air outlet is connected with canister by fuel evaporation pipeline.Meanwhile, canister is connected with the engine intake manifold (not shown), and at the pipeline that connects canister and engine intake manifold canister control valve 4 is set, and in time enters in the engine intake manifold with the gasoline vapor in the control canister.
In order to reduce liquid gasoline the rocking and shaking in vehicle traveling process in the knock out drum as far as possible, as shown in Figure 2, some grids 27 that intersect in length and breadth are set in knock out drum vertically, leave the gap between the bottom inside face of the bottom of grid and knock out drum, in order to the liquid gasoline in the knock out drum can be circulated mutually, and leave equally the gap between the inside top face of the top of grid and knock out drum, in order to the gasoline vapor that enters from suction port in the knock out drum can successfully be escaped and enter from the air outlet in the carbon pipe.Grid is divided into a plurality of less intervals with knock out drum, thereby in identical rocking under the angle, the amplitude of vibration of liquid gasoline can reduce widely, can not enter in the canister to guarantee the liquid gasoline in the knock out drum.
Further, as shown in Figure 1, in the side of knock out drum transparent level window 26 is set, thus the convenient liquid gasoline amount of accumulating in the knock out drum of observing.
In group refueling overfill or the running process that jolting, a small amount of liquid gasoline splashes and enters fuel evaporation pipeline in the fuel tank, and enter in the knock out drum by suction port along fuel evaporation pipeline together in company with gasoline vapor, knock out drum plays the effect of a gas-liquid separation, liquid gasoline is stayed in the knock out drum by storage, gasoline vapor then escapes and enter in the canister from the air outlet, and the active carbon in the canister adsorbs gasoline vapor.When automobile running, canister control valve is opened, under the effect of engine intake manifold pull of vacuum, fresh air will enter from the canister below, through behind the active carbon again the outlet from canister enter engine intake manifold, thereby will be adsorbed on the gasoline vapor that again evaporates on the active carbon and send into engine combustion, to improve the utilization ratio of fuel oil.When the liquid gasoline in the knock out drum accumulates when a certain amount of, can open the sealing cover on the liquid-discharging tube of knock out drum bottom, the liquid gasoline in the knock out drum is discharged re-use, thereby can prevent liquid gasoline from entering canister and cause canister to lose efficacy.
Claims (5)
1. vehicle fuel oil evaporation control system, the canister (3) that comprises fuel tank (1), is connected with fuel tank by fuel evaporation pipeline, canister is connected with engine intake manifold by canister control valve (4), it is characterized in that, on the fuel evaporation pipeline that connects fuel tank and canister, also be connected with knock out drum (2).
2. a kind of vehicle fuel oil evaporation control system according to claim 1 is characterized in that, the bottom of described knock out drum is provided with liquid port (21), is sealedly connected with liquid-discharging tube (22) on the liquid port, and the port of liquid-discharging tube is provided with sealing cover (23).
3. a kind of vehicle fuel oil evaporation control system according to claim 2, it is characterized in that, the top of described knock out drum is provided with suction port (24) and air outlet (25), and suction port is connected with fuel tank by fuel evaporation pipeline, and the air outlet is connected with canister by fuel evaporation pipeline.
4. according to claim 1 and 2 or 3 described a kind of vehicle fuel oil evaporation control systems, it is characterized in that, be provided with vertically some grids (27) that intersect in length and breadth in the described knock out drum, leave the gap between the bottom inside face of the bottom of grid and knock out drum, leave the gap between the inside top face of the top of grid and knock out drum.
5. according to claim 1 and 2 or 3 described a kind of vehicle fuel oil evaporation control systems, it is characterized in that the side of described knock out drum is provided with transparent level window (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220455591 CN202789210U (en) | 2012-09-10 | 2012-09-10 | Automotive fuel evaporation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220455591 CN202789210U (en) | 2012-09-10 | 2012-09-10 | Automotive fuel evaporation control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202789210U true CN202789210U (en) | 2013-03-13 |
Family
ID=47816485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220455591 Expired - Fee Related CN202789210U (en) | 2012-09-10 | 2012-09-10 | Automotive fuel evaporation control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202789210U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993960A (en) * | 2014-05-09 | 2014-08-20 | 安徽亿瑞深冷能源科技有限公司 | Pure hydrogen carbon removal system of automobile engine |
| WO2015039465A1 (en) * | 2013-09-17 | 2015-03-26 | 北汽福田汽车股份有限公司 | Fuel system for vehicle |
| CN107632142A (en) * | 2017-09-22 | 2018-01-26 | 苏州坤阳机械科技有限公司 | A kind of simple controllable assay method of contaminated by diesel oil thing |
| CN107664691A (en) * | 2017-09-22 | 2018-02-06 | 苏州坤阳机械科技有限公司 | A kind of simple controllable measure device of contaminated by diesel oil thing |
| CN112945483A (en) * | 2021-01-21 | 2021-06-11 | 吉利汽车研究院（宁波）有限公司 | Vehicle or rack, fuel leakage simulation detection system and method |
-
2012
- 2012-09-10 CN CN 201220455591 patent/CN202789210U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015039465A1 (en) * | 2013-09-17 | 2015-03-26 | 北汽福田汽车股份有限公司 | Fuel system for vehicle |
| CN104454254B (en) * | 2013-09-17 | 2017-10-10 | 北汽福田汽车股份有限公司 | fuel system for vehicle |
| CN103993960A (en) * | 2014-05-09 | 2014-08-20 | 安徽亿瑞深冷能源科技有限公司 | Pure hydrogen carbon removal system of automobile engine |
| CN107632142A (en) * | 2017-09-22 | 2018-01-26 | 苏州坤阳机械科技有限公司 | A kind of simple controllable assay method of contaminated by diesel oil thing |
| CN107664691A (en) * | 2017-09-22 | 2018-02-06 | 苏州坤阳机械科技有限公司 | A kind of simple controllable measure device of contaminated by diesel oil thing |
| CN112945483A (en) * | 2021-01-21 | 2021-06-11 | 吉利汽车研究院（宁波）有限公司 | Vehicle or rack, fuel leakage simulation detection system and method |
| CN112945483B (en) * | 2021-01-21 | 2022-09-27 | 吉利汽车研究院（宁波）有限公司 | Vehicle or rack, fuel leakage simulation detection system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202789210U (en) | Automotive fuel evaporation control system | |
| CN202707294U (en) | Vehicle recovery device for gasoline vapor | |
| US7467620B1 (en) | Evaporative emission control system with new adsorbents | |
| CN201288621Y (en) | Fuel oil evaporation desorption control apparatus | |
| CN204107268U (en) | Device for recovering oil and gas | |
| CN104728594A (en) | Automotive liquefied natural gas cylinder | |
| CN203641869U (en) | Liquefied-natural-gas cylinder for vehicle | |
| CN202986816U (en) | Vapor system for automobile fuel tank | |
| CN212765691U (en) | Liquid-gas separator integrated with oil filling and ventilation functions | |
| US10343516B2 (en) | Fuel tank arrangement for a dual fuel internal combustion engine | |
| CN205190084U (en) | Outside pipeline of oil tank system and oil tank system | |
| CN202431402U (en) | Fuel evaporation control system | |
| CN202031729U (en) | Exhaust system of fuel tank | |
| CN107575321B (en) | Activated carbon canister for vehicle and fuel evaporation control system with activated carbon canister | |
| CN205292273U (en) | Inside pipeline of oil tank system and oil tank system | |
| CN211764912U (en) | Air exhaust structure for national six-automobile fuel tank and fuel tank | |
| CN201627653U (en) | Novel carbon tank | |
| CN106965668A (en) | A kind of new automobile gasoline fuel loading system | |
| CN212503967U (en) | Oil gas recovery device for gas station | |
| CN205190066U (en) | Novel carbon tank | |
| CN204674370U (en) | Fuel tank oiling blow and vent system and automobile | |
| RU158487U1 (en) | FUEL TANK OF A VEHICLE WITH INSTALLATION OF VAPOR CAPTURE AND A WATER DRAINING DEVICE | |
| CN201696173U (en) | Vehicle-mounted oil vapor recovery device | |
| CN102926898B (en) | Self-unloading dusty air filter cleaner | |
| CN216588874U (en) | Carbon tank assembly and engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20200910 |