CN110500206A - Vehicle fuel volatile matter recycling system and its working method - Google Patents
Vehicle fuel volatile matter recycling system and its working method Download PDFInfo
- Publication number
- CN110500206A CN110500206A CN201910831949.9A CN201910831949A CN110500206A CN 110500206 A CN110500206 A CN 110500206A CN 201910831949 A CN201910831949 A CN 201910831949A CN 110500206 A CN110500206 A CN 110500206A
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- fuel
- steam
- pressure
- elastic balloon
- cavity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
-
- 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
- F02M25/0836—Arrangement of valves controlling the admission of fuel vapour to an engine, e.g. valve being disposed between fuel tank or absorption canister and intake manifold
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- 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
- F02M25/0854—Details of the absorption canister
-
- 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
- F02M25/0872—Details of the fuel vapour pipes or conduits
-
- 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
- F02M25/089—Layout of the fuel vapour installation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
- B60K15/03504—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems
- B60K2015/03514—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems with vapor recovery means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
- B60K2015/03561—Venting means working at specific times
- B60K2015/03566—Venting means working at specific times comprising means for stopping the venting of fuel vapor, e.g. during refueling or engine stop
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses a kind of vehicle fuel volatile matter recycling systems, including the closed petrol tank and fuel-steam recover on automobile, the petrol tank, it further include fuel-steam delivery line, fuel-steam at the top of the petrol tank overflows the inlet end that end is connected to the fuel-steam delivery line, and the outlet side of the fuel-steam delivery line is connected to the fuel-steam inlet end of the fuel-steam recover；Structure of the invention is simple, oil tank fuel steam can be renewed, and tank pressure can be alleviated, tank pressure can be discharged in time when pressure increase is to pressure release critical value, and the fuel-steam of absorption release can be recycled, and is able to achieve and the burning that negative pressure is evaporated again for engine is passed through to the gasoline of absorption.
Description
Technical field
The invention belongs to automotive fields.
Background technique
Gasoline is a kind of volatile liquid, and fuel tank is often fill with fuel vapor at normal temperature, in automobile idle state
Under, especially under the hot environment being exposed to the sun, the temperature in fuel tank can rise, and the fuel-steam in turn resulted in fuel tank increases, into
And cause fuel tank air pressure increase the phenomenon that, if gasoline vapor be discharged not in time will cause fuel tank air pressure infinitely increase to danger face
Dividing value also will cause energy waste while will cause environmental pollution if directly arranging to environment.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of vehicle fuel volatile matter time
It receives and utilizes system and its working method.
Technical solution: to achieve the above object, vehicle fuel volatile matter recycling system of the invention, including on automobile
Closed petrol tank and fuel-steam recover, the petrol tank further includes fuel-steam delivery line, at the top of the petrol tank
Fuel-steam overflows the inlet end that end is connected to the fuel-steam delivery line, and the outlet side of the fuel-steam delivery line is connected to institute
State the fuel-steam inlet end of fuel-steam recover；The upper end of the fuel-steam recover is provided with several respiratory siphons, respectively
The respiratory siphon is connected to ambient outside air；The lower end of the fuel-steam recover is connected with fuel-steam recovery tube, described
The inlet manifold of the outlet side connection engine of fuel-steam recovery tube.
Further, the fuel-steam recover includes closed square shell, the inner cavity setting of the square shell
There is rectangular inner housing, is formed between the four sides lateral wall of the rectangular inner housing and the four sides inner sidewall of the square shell rectangular
Ring cavity；At circumference array distribution, there are four vertical distribution cabinets in the rectangular ring cavity, and the inside of each distribution cabinet is
Air distribution cavity, side with the lateral wall of the rectangular inner housing integrated company of each distribution cabinet close to square shell center
It connects, the connection integrated with the inner sidewall of square shell of side of each distribution cabinet far from square shell center；Match described in each
Gas tank body equal hollow out in the one side wall at square shell center is provided with gas port, the gas port by each air distribution cavity with
The inner cavity of rectangular inner housing is connected to；
The Q-RING formed between the four sides lateral wall of rectangular inner housing and the four sides inner sidewall of square shell is intracavitary, and two
Active carbon filled cavity is formed between adjacent distribution cabinet, is filled with active carbon in the four active carbon filled cavities；Four work
Property charcoal filled cavity it is uniformly distributed at circumference array；The equal l-shaped vertical structure of plan structure of each active carbon filled cavity；
Uniformly distributed hollow out is provided with several air guide mesh on the lateral wall of the rectangular inner housing in active carbon filled cavity, and four
The inside portion of the active carbon filled cavity is connected to the inner cavity of rectangular inner housing by several air guide mesh；
Several respiratory siphons include four, and the lower end of four respiratory siphons is respectively communicated with the four active carbon filled cavities
Upper end；It further include four negative tubes, the upper end of four negative tubes is respectively communicated with the lower end of the active carbon filled cavity；The side
Negative pressure cabinet is additionally provided with below shape shell, the inside of the negative pressure cabinet is negative pressure cavity, and the lower end of four negative tubes is equal
It is connected to the negative pressure cavity, the inlet end of the fuel-steam recovery tube is connected to the negative pressure cavity；
It is formed between the inner housing upper end wall body of the rectangular inner housing and the outer housing upper end wall body of the square shell
The upper end of separate space, four air distribution cavities is connected to the separate space；The center one of the lower end wall body of the rectangular inner housing
Change is provided with vertical lower hard tracheae, and the lower end of the lower hard tracheae is connected to the outlet side of the fuel-steam delivery line；
The center integrated setting of inner housing upper end wall body has vertical upper hard tracheae, the upper end of the upper hard tracheae
Integration connection outer housing upper end wall body, the inside of the upper hard tracheae are the air guide channel that upper end blocks；On described
Hard tracheae and the lower concentric setting of hard tracheae；
The lumen centers position of the rectangular inner housing is provided with the elastic balloon under free state in vertical posts volume morphing,
The upper end gas nozzle of the elastic balloon is connected to the air guide channel lower end, and the lower end gas nozzle connection of the elastic balloon is described lower hard
The upper end of matter tracheae；The inside of the elastic balloon be fuel-steam pressure accumulation expansion chamber, the elastic balloon and it is described it is rectangular in
Fuel-steam adapter cavity is formed between inner walls；At circumference array stationary distribution, there are four perpendicular on the outer wall of the elastic balloon
To hard sheet body, each hard sheet body is tangent with the outside wall surface of the elastic balloon；
Each distribution cabinet two guide pillar holes that equal hollow out setting is distributed up and down in the one side wall at square shell center,
Guide post is slid through in each guide pillar hole, each guide post is vertically fixedly connected corresponding close to one end of elastic balloon
Hard sheet body；The expansion and contraction of the elastic balloon can drive each guide post to slide along guide pillar hole direction by hard sheet body；
A normally closed type is provided in four air distribution cavities by pressure valve, the normally closed type, which is pressed, is provided with button in pressure valve,
Normally closed type pressing valve is blocked state when the button is not pressed, and normally closed type pressing valve is unimpeded when the button is pressed
State, the normally closed type press air distribution cavity described in the outlet of pressure valve；Each normally closed type is pressed the button in pressure valve and is corresponding with
One guide post, in the expanded state, guide post corresponding with button end presses corresponding button to elastic balloon；
It further include four connection air guide bend pipes, four normally closed types pass through four connections by the inlet end of pressure valve respectively leads
Gas bend pipe is connected to the air guide channel.
Further, the hard sheet body passes through structure close to the one side of elastic balloon and the outer wall of the elastic balloon
The connection of bonding agent fixed bonding；Check valve is provided on the fuel-steam delivery line, the check valve can prevent fuel-steam
Gas backstreaming in recover is into the petrol tank；Solenoid valve is additionally provided on the fuel-steam recovery tube.
Further, the working method of the present apparatus is as follows:
Gasoline itself has certain room temperature boiling characteristics, under automobile idle state, on the liquid level in closed petrol tank
Side is full of fuel vapor；When automobile is in flameout state, there is no opening, automobile is in outdoor and is exposed to the sun automobile cooling system at this time
Hot environment in when, and then can increase the temperature of petrol tank, the gasoline in petrol tank can accelerate to evaporate, and in turn result in gasoline
The phenomenon that pressure in case is gradually increased, the fuel-steam on top is directed into bullet by fuel-steam delivery line in petrol tank at this time
It in property air bag, and then expands elastic balloon gradually and becomes larger, the fuel-steam pressure accumulation expansion chamber in elastic balloon can be gradually at this time
Gasoline vapor is stored, and then plays and alleviates the trend that the pressure in petrol tank is increased；
If automobile starting at this time, cooling system is opened in time；Or automobile is relieved in time and is in the environment being exposed to the sun, fuel oil
Steam pressure accumulation expansion chamber would not further fill into fuel-steam, and then elastic balloon will not continue to increase, while elastic gas
Capsule has stored certain gasoline vapor, and fuel-steam is avoided to leak into air；
If automobile is still within the environment being exposed to the sun, and when automobile is also not turned on cooling system, the evaporation in petrol tank
Process is still continuing, although elastic balloon can gradually store gasoline vapor, the air pressure in fuel-steam pressure accumulation expansion chamber
It can become larger with the expansion of elastic balloon；When the air pressure in fuel-steam pressure accumulation expansion chamber is gradually increased to need facing for pressure release
When dividing value, the expansion of elastic balloon can make four hard sheet bodies that each guide post be driven to slide in and out along guide pillar hole direction, and at this time
Guide post end just moves to the corresponding button of pressing；Four normally closed types are converted to rapidly by pressure valve by blocked state freely at this time
Logical state, and then the gas in fuel-steam pressure accumulation expansion chamber is made successively to pass through air guide channel, four air guide bend pipes, four are normally closed
Formula presses pressure valve, exports rapidly by the outlet of pressure valve into four air distribution cavities eventually by four normally closed types, and then make four distributions
It is full of fuel-steam in chamber, and then makes to generate positive pressure in four air distribution cavities；At this time due to being let out in fuel-steam pressure accumulation expansion chamber
Pressure, since fuel-steam pressure accumulation expansion chamber is by pressure release, and then elastic balloon can start to become smaller, and the pressure in petrol tank also can at this time
Accordingly become smaller, relieves the excessive risk of tank pressure in petrol tank at this time；Since elastic balloon becomes smaller, four guide post end meetings
Start to be detached from and press corresponding button, four normally closed types are restored to blocked state by pressure valve at this time；Fuel-steam stores at this time
Compression swelling is intracavitary to be restored to air-tight state, continues to save fuel-steam；
Pass through several gas ports under the influence of air pressure into four air distribution cavity intermediate fuel oil steam at the same time and is directed into bullet
Property air bag and rectangular inner housing inner wall between formed in fuel-steam adapter cavity, and then the gasoline vapor in fuel-steam adapter cavity
It is slowly uniformly spilled over in four active carbon filled cavities by several air guide mesh, the gasoline vapor into active carbon filled cavity
Major part can temporarily be adsorbed by active carbon；The gasoline vapor that small part cannot be adsorbed completely is overflowed external by four respiratory siphons
In environment；Four active carbon filled cavities play the role of absorbing gasoline steam at this time, reduce gasoline vapor and are discharged in environment；
When automobile starting state, automobile cooling system is had been switched on, and petrol tank temperature can decline, and in petrol tank
Gasoline is constantly walked by engine gasoline pumping and is run for engine, and elastic balloon will not continue to expand, at this time at engine
In operating condition, when automobile engine is run at high speeds, control solenoid valve is opened, at this time at fuel-steam recovery tube
The inlet manifold of engine can automatically generate lasting negative pressure when unimpeded state, engine operating state, and then steam fuel oil
Negative pressure is generated in vapour recovery tube, and then makes to generate negative pressure in negative pressure cavity, and then makes to generate negative pressure in four negative tubes, finally makes to live
Negative pressure is formed in property charcoal filled cavity, under subnormal ambient, the gasoline vapor being tightly held by activated carbon in active carbon filled cavity can be again
It is evaporated, external air is replenished in time in active carbon filled cavity four respiratory siphons at the same time, and then evaporates again
Gasoline vapor out is by the way that in four negative tube negative suction chambers, final fuel-steam passes through fuel-steam recovery tube sucking hair
In the inlet manifold of motivation, and then fuel-steam is made to import engine chamber burning with inlet manifold；And then realize that fuel oil steams
The recycling of vapour.
The utility model has the advantages that structure of the invention is simple, oil tank fuel steam can be renewed, and tank pressure can be alleviated, work as pressure
Tank pressure can be discharged in time when power increases to pressure release critical value, and the fuel-steam of absorption release can be recycled, and energy
It realizes and the burning that negative pressure is evaporated again for engine is passed through to the gasoline of absorption.
Detailed description of the invention
Attached drawing 1 is overall structure diagram of the invention；
Attached drawing 2 is fuel-steam recover overall structure diagram；
Attached drawing 3 is the first three-dimensional cutaway view of fuel-steam recover；
Attached drawing 4 is the second three-dimensional cutaway view of fuel-steam recover；
Attached drawing 5 is the third three-dimensional cutaway view of fuel-steam recover；
Attached drawing 6 just cuts open schematic diagram for fuel-steam recover；
Attached drawing 7 is the partial enlargement diagram at the label 28 of attached drawing 6；
Attached drawing 8 is elastic balloon structural schematic diagram.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
The vehicle fuel volatile matter recycling system as shown in attached drawing 1 to 8, including 33 He of closed petrol tank on automobile
Fuel-steam recover 34, the petrol tank 33 further include fuel-steam delivery line 4, and the fuel oil at 33 top of petrol tank steams
Vapour overflows the inlet end that end is connected to the fuel-steam delivery line 4, and the outlet side of the fuel-steam delivery line 4 is connected to the combustion
The fuel-steam inlet end of oil vapour recover 34；The upper end of the fuel-steam recover 34 is provided with several respiratory siphons 1, respectively
The respiratory siphon 1 is connected to ambient outside air；The lower end of the fuel-steam recover 34 is connected with fuel-steam recovery tube 7,
The inlet manifold 90 of the outlet side connection engine of the fuel-steam recovery tube 7.
The fuel-steam recover 34 includes closed square shell 2, and the inner cavity of the square shell 2 is provided with rectangular
Inner housing 9 forms Q-RING between the four sides lateral wall of the rectangular inner housing 9 and the four sides inner sidewall of the square shell 2
Chamber；At circumference array distribution, there are four vertical distribution cabinet 25, the inside of each distribution cabinet 25 in the rectangular ring cavity
For air distribution cavity 21, each distribution cabinet 25 is close to the side at 2 center of square shell and the lateral wall one of the rectangular inner housing 9
Bodyization connection, side of each distribution cabinet 25 far from 2 center of square shell is integrated with the inner sidewall of square shell 2 to be connected
It connects；Each distribution cabinet 25 equal hollow out in the one side wall at 2 center of square shell is provided with gas port 17, the gas port
17 are connected to each air distribution cavity 21 with the inner cavity of rectangular inner housing 9；
The Q-RING formed between the four sides lateral wall of rectangular inner housing 9 and the four sides inner sidewall of square shell 2 is intracavitary,
Active carbon filled cavity 26 is formed between two adjacent air chest bodies 25, is filled with active carbon in the four active carbon filled cavities 26；
The four active carbon filled cavities 26 are uniformly distributed at circumference array；The equal l-shaped of plan structure of each active carbon filled cavity 26 is vertical
Structure；
Uniformly distributed hollow out is provided with several air guide mesh on the lateral wall of the rectangular inner housing 9 in active carbon filled cavity 26
22, the inside portion of the four active carbon filled cavities 26 is connected to the inner cavity of rectangular inner housing 9 by several air guide mesh 22；
Several respiratory siphons 1 include four, and the lower end of four respiratory siphons 1 is respectively communicated with the four active carbon filled cavities
26 upper end；It further include four negative tubes 3, the upper end of four negative tubes 3 is respectively communicated under the active carbon filled cavity 26
End；The lower section of the square shell 2 is additionally provided with negative pressure cabinet 6, and the inside of the negative pressure cabinet 6 is negative pressure cavity 30, described in four
The lower end of negative tube 3 is connected to the negative pressure cavity 30, and the inlet end of the fuel-steam recovery tube 7 is connected to the negative pressure cavity 30；
The outer housing upper end wall body 71 of the inner housing upper end wall body 14 of the rectangular inner housing 9 and the square shell 2 it
Between formed separate space 8, the upper end of four air distribution cavities 21 is connected to the separate space 8；The lower end wall body 93 of the rectangular inner housing 9
Center integrated setting has vertical lower hard tracheae 29, and the lower end of the lower hard tracheae 29 is connected to the fuel-steam
The outlet side of delivery line 4；The center integrated setting of inner housing upper end wall body 14 has vertical upper hard tracheae 12,
The upper end integration of the upper hard tracheae 12 connects outer housing upper end wall body 71, and the inside of the upper hard tracheae 12 is
The air guide channel 13 that upper end blocks；The upper hard tracheae 12 and the concentric setting of the lower hard tracheae 29；
The lumen centers position of the rectangular inner housing 9 is provided with the elastic balloon under free state in vertical posts volume morphing
10, the upper end gas nozzle of the elastic balloon 10 is connected to 13 lower end of air guide channel, and the lower end gas nozzle of the elastic balloon 10 connects
Lead to the upper end of the lower hard tracheae 29；The inside of the elastic balloon 10 is fuel-steam pressure accumulation expansion chamber 11, the elasticity
Fuel-steam adapter cavity 15 is formed between air bag 10 and 9 inner wall of rectangular inner housing；On the outer wall of the elastic balloon 10 at
For circumference array stationary distribution there are four vertical hard sheet body 23, each hard sheet body 23 is outer with the elastic balloon 10
Wall surface is tangent；
Each distribution cabinet 25 two guide posts that equal hollow out setting is distributed up and down in the one side wall at 2 center of square shell
Hole 31 has slid through guide post 27 in each guide pillar hole 31, and each guide post 27 is vertical close to one end of elastic balloon 10
It is fixedly connected with corresponding hard sheet body 23；The expansion and contraction of the elastic balloon 10 can respectively be led by the drive of hard sheet body 23
Column 27 is slided along 31 direction of guide pillar hole；
A normally closed type is provided in four air distribution cavities 21 by pressure valve 19, the normally closed type in pressure valve 19 by being provided with
Button 18, normally closed type pressing valve 19 is blocked state when the button 18 is not pressed, and the button 18 is normally closed when being pressed
Formula presses the unimpeded state of pressure valve 19, and the normally closed type is connected to the air distribution cavity 21 by the outlet 20 of pressure valve 19；Each normally closed type
It presses the button 18 in pressure valve 19 and is corresponding with a guide post 27, elastic balloon 10 is in the expanded state, corresponding with button 18 to lead
The corresponding button 18 of 27 end of column pressing；
It further include four connection air guide bend pipes 16, four normally closed types pass through four companies by the inlet end of pressure valve 19 respectively
Logical air guide bend pipe 16 is connected to the air guide channel 13.
The hard sheet body 23 is viscous by structure close to the one side of elastic balloon 10 and the outer wall of the elastic balloon 10
Connect the connection of agent fixed bonding；Check valve is provided on the fuel-steam delivery line 4, the check valve can prevent fuel-steam from returning
The gas backstreaming in device 34 is received into the petrol tank 33；Solenoid valve 91 is additionally provided on the fuel-steam recovery tube 7.
The working method and working principle of vehicle fuel volatile matter recycling system are as follows:
Gasoline itself has certain room temperature boiling characteristics, under automobile idle state, the liquid level in closed petrol tank 33
Top is full of fuel vapor；When automobile is in flameout state, for automobile cooling system there is no opening, automobile is in outdoor sudden and violent at this time
When in the hot environment of solarization, and then can increase the temperature of petrol tank, the gasoline in petrol tank 33 can accelerate to evaporate, and in turn result in
The phenomenon that pressure in petrol tank 33 is gradually increased, the fuel-steam on top passes through fuel-steam delivery line in petrol tank 33 at this time
4 are directed into elastic balloon 10, and then expand elastic balloon 10 gradually and become larger, and the fuel-steam in elastic balloon 10 stores at this time
Compression swelling chamber 11 can gradually store gasoline vapor, and then play and alleviate the trend that the pressure in petrol tank 33 is increased；
If automobile starting at this time, cooling system is opened in time；Or automobile is relieved in time and is in the environment being exposed to the sun, fuel oil
Steam pressure accumulation expansion chamber 11 would not further fill into fuel-steam, and then elastic balloon 10 will not continue to increase, while bullet
Property air bag 10 has stored certain gasoline vapor, and fuel-steam is avoided to leak into air；
If automobile is still within the environment being exposed to the sun, and when automobile is also not turned on cooling system, the steaming in petrol tank 33
Hair process is still continuing, although elastic balloon 10 can gradually store gasoline vapor, in fuel-steam pressure accumulation expansion chamber 11
Air pressure can also become larger with the expansion of elastic balloon 10；When the air pressure in fuel-steam pressure accumulation expansion chamber 11 is gradually increased to need
When wanting the critical value of pressure release, the expansion of elastic balloon 10 can make four hard sheet bodies 23 drive each guide post 27 along 31 direction of guide pillar hole
It slides in and out, and 27 end of guide post just moves to the corresponding button 18 of pressing at this time；Four normally closed types press pressure valve at this time
19 are converted to rapidly unimpeded state by blocked state, and then the gas in fuel-steam pressure accumulation expansion chamber 11 is made successively to pass through air guide
13, four, channel air guide bend pipe 16, four normally closed types press pressure valve 19, fast by the outlet 20 of pressure valve 19 eventually by four normally closed types
Speed is exported into four air distribution cavities 21, and then is made full of fuel-steam in four air distribution cavities, and then makes to generate in four air distribution cavities
Positive pressure；At this time due in fuel-steam pressure accumulation expansion chamber 11 by pressure release, since fuel-steam pressure accumulation expansion chamber 11 is by pressure release, in turn
Elastic balloon 10 can start to become smaller, and the pressure in petrol tank 33 also can accordingly become smaller at this time, relieve at this time oily in petrol tank 33
The excessive risk of case pressure；Since elastic balloon 10 becomes smaller, four 27 ends of guide post, which can start to be detached from, presses corresponding button 18,
Four normally closed types are restored to blocked state by pressure valve 19 at this time；It is restored in fuel-steam pressure accumulation expansion chamber 11 at this time closed
State continues to save fuel-steam；
Pass through several gas ports 17 under the influence of air pressure into four air distribution cavity intermediate fuel oil steam at the same time to be directed into
It is formed in fuel-steam adapter cavity 15 between 9 inner wall of elastic balloon 10 and rectangular inner housing, and then in fuel-steam adapter cavity 15
Gasoline vapor be slowly uniformly spilled over in four active carbon filled cavities 26 by several air guide mesh 22, into active carbon fill
Gasoline vapor in chamber 26 largely can temporarily be adsorbed by active carbon；The gasoline vapor that small part cannot be adsorbed completely passes through four
A respiratory siphon 1 overflows in external environment；Four active carbon filled cavities 26 play the role of absorbing gasoline steam at this time, reduce vapour
Oil vapour is discharged in environment；
When automobile starting state, automobile cooling system is had been switched on, and 33 temperature of petrol tank can decline, and petrol tank 33
Interior gasoline is constantly walked by engine gasoline pumping and is run for engine, and elastic balloon 10 will not continue to expand, send out at this time
Motivation is in operating condition, and when automobile engine is run at high speeds, control solenoid valve 91 is opened, at this time fuel-steam
Recovery tube 7 is in unimpeded state, and the inlet manifold 90 of engine can automatically generate lasting negative pressure when engine operating state, into
And make to generate negative pressure in fuel-steam recovery tube 7, and then make to generate negative pressure in negative pressure cavity 30, and then make to produce in four negative tubes 3
Raw negative pressure, finally makes to form negative pressure in active carbon filled cavity 26, under subnormal ambient, be inhaled in active carbon filled cavity 26 by active carbon
Attached gasoline vapor can be evaporated again, and external air is replenished in time active carbon and filled out by four respiratory siphons 1 at the same time
The gasoline vapor for filling in chamber 26, and then being evaporated again passes through in four 3 negative suction chambers 30 of negative tube, final fuel-steam
It is sucked by fuel-steam recovery tube 7 in the inlet manifold 90 of engine, and then imports fuel-steam with inlet manifold 90 and send out
Motivation combustion chambers burn；And then realize the recycling of fuel-steam.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (4)
1. vehicle fuel volatile matter recycling system, it is characterised in that including on automobile closed petrol tank (33) and fuel oil steam
Vapour recover (34), the petrol tank (33) further include fuel-steam delivery line (4), the fuel oil at the top of the petrol tank (33)
Steam overflows the inlet end that end is connected to the fuel-steam delivery line (4), the outlet side connection of the fuel-steam delivery line (4)
The fuel-steam inlet end of the fuel-steam recover (34)；The upper end of the fuel-steam recover (34) is provided with several
Respiratory siphon (1), each respiratory siphon (1) are connected to ambient outside air；The lower end of the fuel-steam recover (34) is connected with
Fuel-steam recovery tube (7), the inlet manifold (90) of the outlet side connection engine of the fuel-steam recovery tube (7).
2. vehicle fuel volatile matter recycling system according to claim 1, it is characterised in that: the fuel-steam returns
Receiving device (34) includes closed square shell (2), and the inner cavity of the square shell (2) is provided with rectangular inner housing (9), the side
Rectangular ring cavity is formed between the four sides lateral wall of shape inner housing (9) and the four sides inner sidewall of the square shell (2)；It is described rectangular
At circumference array distribution there are four vertical distribution cabinet (25) in ring cavity, the inside of each distribution cabinet (25) is air distribution cavity
(21), each distribution cabinet (25) is close to the side at square shell (2) center and the lateral wall one of the rectangular inner housing (9)
Bodyization connection, the inner sidewall one of side and square shell (2) of each distribution cabinet (25) far from square shell (2) center
Change connection；Each distribution cabinet (25) hollow out in the one side wall at square shell (2) center is provided with gas port (17),
Each air distribution cavity (21) is connected to by the gas port (17) with the inner cavity of rectangular inner housing (9)；
The Q-RING formed between the four sides lateral wall of rectangular inner housing (9) and the four sides inner sidewall of square shell (2) is intracavitary,
Active carbon filled cavity (26) are formed between two adjacent air chest bodies (25), filled with work in the four active carbon filled cavities (26)
Property charcoal；The four active carbon filled cavities (26) are uniformly distributed at circumference array；The plan structure of each active carbon filled cavity (26) is equal
L-shaped vertical structure；
Uniformly distributed hollow out is provided with several air guide mesh on the lateral wall of the rectangular inner housing (9) in active carbon filled cavity (26)
(22), the inside portion of the four active carbon filled cavities (26) is connected to rectangular inner housing (9) by several air guide mesh (22)
Inner cavity；
Several respiratory siphons (1) include four, and the lower end of four respiratory siphons (1) is respectively communicated with the four active carbon filled cavities
(26) upper end；It further include four negative tubes (3), the upper end of four negative tubes (3) is respectively communicated with the active carbon filled cavity
(26) lower end；It is additionally provided with negative pressure cabinet (6) below the square shell (2), the inside of the negative pressure cabinet (6) is negative
Press chamber (30), the lower end of four negative tubes (3) is connected to the negative pressure cavity (30), the fuel-steam recovery tube (7) into
Gas end is connected to the negative pressure cavity (30)；
The inner housing upper end wall body (14) of the rectangular inner housing (9) and the outer housing upper end wall body of the square shell (2)
(71) separate space (8) are formed between, the upper end of four air distribution cavities (21) is connected to the separate space (8)；The rectangular inner housing (9)
The center integrated setting of lower end wall body (93) have vertical lower hard tracheae (29), the lower hard tracheae (29)
Lower end is connected to the outlet side of the fuel-steam delivery line (4)；The center integration of inner housing upper end wall body (14)
It is provided with vertical upper hard tracheae (12), the upper end integration of the upper hard tracheae (12) connects the outer housing upper end wall
Body (71), the inside of the upper hard tracheae (12) are the air guide channel (13) that upper end blocks；The upper hard tracheae (12) with
The concentric setting of the lower hard tracheae (29)；
The lumen centers position of the rectangular inner housing (9) is provided with the elastic balloon under free state in vertical posts volume morphing
(10), the upper end gas nozzle of the elastic balloon (10) is connected to air guide channel (13) lower end, under the elastic balloon (10)
Gas nozzle is held to be connected to the upper end of the lower hard tracheae (29)；The inside of the elastic balloon (10) is fuel-steam pressure accumulation expansion chamber
(11), fuel-steam adapter cavity (15) are formed between the elastic balloon (10) and the rectangular inner housing (9) inner wall；The bullet
Property air bag (10) outer wall at circumference array stationary distribution there are four vertical hard sheet body (23), each hard sheet body
(23) tangent with the outside wall surface of the elastic balloon (10)；
Two guide posts being distributed up and down are arranged in hollow out to each distribution cabinet (25) in the one side wall at square shell (2) center
Hole (31), each guide pillar hole (31) is interior have been slid through guide post (27), and each guide post (27) is close to elastic balloon (10)
One end is vertically fixedly connected with corresponding hard sheet body (23)；The expansion and contraction of the elastic balloon (10) can pass through hard
Sheet body (23) drives each guide post (27) to slide along guide pillar hole (31) direction；
A normally closed type is provided in four air distribution cavities (21) by pressure valve (19), the normally closed type on pressure valve (19) by being arranged
Have button (18), normally closed type pressing valve (19) is blocked state, button (18) quilt when button (18) is not pressed
The unimpeded state of normally closed type pressing valve (19) when pressing, the normally closed type are connected to the air distribution cavity by the outlet (20) of pressure valve (19)
(21)；Each normally closed type presses the button (18) on pressure valve (19) and is corresponding with a guide post (27), and elastic balloon (10) is swollen
Under swollen state, the corresponding button (18) of guide post (27) end pressing corresponding with button (18)；
It further include four connection air guide bend pipes (16), four normally closed types pass through four companies by the inlet end of pressure valve (19) respectively
Logical air guide bend pipe (16) are connected to the air guide channel (13).
3. vehicle fuel volatile matter recycling system according to claim 2, it is characterised in that: the hard sheet body
(23) outer wall close to the one side and the elastic balloon (10) of elastic balloon (10) is connected by structural adhesive fixed bonding
It connects；Check valve is provided on the fuel-steam delivery line (4), the check valve can prevent in fuel-steam recover (34)
Gas backstreaming is into the petrol tank (33)；Solenoid valve (91) are additionally provided on the fuel-steam recovery tube (7).
4. the working method of vehicle fuel volatile matter recycling system according to claim 2, it is characterised in that: gasoline
Itself has certain room temperature boiling characteristics, and under automobile idle state, the ullage in closed petrol tank (33) is full of combustion
Oil vapour；When automobile is in flameout state, for automobile cooling system there is no opening, automobile is in the outdoor high temperature ring being exposed to the sun at this time
When in border, and then can increase the temperature of petrol tank, the gasoline in petrol tank (33) can accelerate to evaporate, and in turn result in petrol tank
(33) the phenomenon that pressure in is gradually increased, the fuel-steam on petrol tank (33) interior top passes through fuel-steam delivery line at this time
(4) it is directed into elastic balloon (10), and then expands elastic balloon (10) gradually and become larger, the combustion in elastic balloon (10) at this time
Oil vapour pressure accumulation expansion chamber (11) can gradually store gasoline vapor, and then play the pressure alleviated in petrol tank (33) and increased
Trend；
If automobile starting at this time, cooling system is opened in time；Or automobile is relieved in time and is in the environment being exposed to the sun, fuel-steam
Pressure accumulation expansion chamber (11) would not further fill into fuel-steam, and then elastic balloon (10) will not continue to increase, while bullet
Property air bag (10) has stored certain gasoline vapor, and fuel-steam is avoided to leak into air；
If automobile is still within the environment being exposed to the sun, and when automobile is also not turned on cooling system, the evaporation in petrol tank (33)
Process is still continuing, and elastic balloon (10) is although gasoline vapor can be stored gradually, in fuel-steam pressure accumulation expansion chamber (11)
Air pressure can also become larger with the expansion of elastic balloon (10)；When the air pressure in fuel-steam pressure accumulation expansion chamber (11) gradually increases
When greatly to the critical value for needing pressure release, the expansion of elastic balloon (10) can make four each guide post (27) edges of hard sheet bodies (23) drive
Guide pillar hole (31) direction slides in and out, and guide post (27) end just moves to the corresponding button (18) of pressing at this time；This
When four normally closed types by pressure valve (19) be converted to unimpeded state rapidly by blocked state, and then make fuel-steam pressure accumulation expansion chamber
(11) gas in successively passes through air guide channel (13), four air guide bend pipes (16), and four normally closed types press pressure valve (19), final logical
It crosses four normally closed types to export into four air distribution cavities (21) rapidly by the outlet (20) of pressure valve (19), and then makes in four air distribution cavities
Full of fuel-steam, and then make to generate positive pressure in four air distribution cavities；At this time due to being let out in fuel-steam pressure accumulation expansion chamber (11)
Pressure, since fuel-steam pressure accumulation expansion chamber (11) is by pressure release, and then elastic balloon (10) can start to become smaller, at this time petrol tank (33)
Interior pressure also can accordingly become smaller, and relieve the excessive risk of petrol tank (33) interior tank pressure at this time；Due to elastic balloon
(10) become smaller, four guide post (27) ends, which can start to be detached from, presses corresponding button (18), and four normally closed types press pressure valve at this time
(19) it is restored to blocked state；It is restored to air-tight state in fuel-steam pressure accumulation expansion chamber (11) at this time, continues savings combustion
Oil vapour；
Pass through several gas ports (17) under the influence of air pressure into four air distribution cavity intermediate fuel oil steam at the same time and is directed into bullet
Property air bag (10) and rectangular inner housing (9) inner wall between formed in fuel-steam adapter cavity (15), and then fuel-steam adapter cavity
(15) gasoline vapor in is slowly uniformly spilled over in four active carbon filled cavities (26) by several air guide mesh (22), is entered
Gasoline vapor in active carbon filled cavity (26) largely can temporarily be adsorbed by active carbon；The vapour that small part cannot be adsorbed completely
Oil vapour is overflowed in external environment by four respiratory siphons (1)；Four active carbon filled cavities (26) play adsorbed gasoline at this time
The effect of steam reduces gasoline vapor and is discharged in environment；
When automobile starting state, automobile cooling system is had been switched on, and petrol tank (33) temperature can decline, and petrol tank (33)
Interior gasoline is constantly walked by engine gasoline pumping and is run for engine, and elastic balloon (10) will not continue to expand, at this time
Engine is in operating condition, and when automobile engine is run at high speeds, control solenoid valve (91) is opened, at this time fuel oil
Steam recovery pipe (7) is in unimpeded state, and the inlet manifold (90) of engine, which can automatically generate, when engine operating state continues
Negative pressure, and then make to generate negative pressure in fuel-steam recovery tube (7), and then make to generate negative pressure in negative pressure cavity (30), and then make four
Negative pressure is generated in a negative tube (3), finally makes to form negative pressure in active carbon filled cavity (26), under subnormal ambient, active carbon is filled out
Filling the gasoline vapor being tightly held by activated carbon in chamber (26) can be evaporated again, and four respiratory siphons (1) will be external at the same time
Air is replenished in time in active carbon filled cavity (26), and then the gasoline vapor being evaporated again passes through four negative tubes (3)
In negative suction chamber (30), final fuel-steam is sucked by fuel-steam recovery tube (7) in the inlet manifold (90) of engine,
And then fuel-steam is made to import engine chamber burning with inlet manifold (90)；And then realize the recycling of fuel-steam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910831949.9A CN110500206B (en) | 2019-09-04 | 2019-09-04 | Automobile fuel volatile recycling system and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910831949.9A CN110500206B (en) | 2019-09-04 | 2019-09-04 | Automobile fuel volatile recycling system and working method thereof |
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| CN110500206A true CN110500206A (en) | 2019-11-26 |
| CN110500206B CN110500206B (en) | 2020-09-11 |
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| US20090025694A1 (en) * | 2007-07-27 | 2009-01-29 | Aisan Kogyo Kabushiki Kaisha | Fuel vapor control devices |
| CN101576031A (en) * | 2008-05-09 | 2009-11-11 | 日产自动车株式会社 | Leak diagnostic apparatus for an evaporative emission control system |
| CN201991648U (en) * | 2009-06-08 | 2011-09-28 | 福特环球技术公司 | Vehicle fuel vapor controlling device |
| CN104582992A (en) * | 2012-06-26 | 2015-04-29 | 英瑞杰汽车系统研究公司 | Method for releasing the pressure in a fuel system in a crash |
| JP2018127951A (en) * | 2017-02-08 | 2018-08-16 | 愛三工業株式会社 | Canister and evaporative fuel processing device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090025694A1 (en) * | 2007-07-27 | 2009-01-29 | Aisan Kogyo Kabushiki Kaisha | Fuel vapor control devices |
| CN101576031A (en) * | 2008-05-09 | 2009-11-11 | 日产自动车株式会社 | Leak diagnostic apparatus for an evaporative emission control system |
| CN201991648U (en) * | 2009-06-08 | 2011-09-28 | 福特环球技术公司 | Vehicle fuel vapor controlling device |
| CN104582992A (en) * | 2012-06-26 | 2015-04-29 | 英瑞杰汽车系统研究公司 | Method for releasing the pressure in a fuel system in a crash |
| JP2018127951A (en) * | 2017-02-08 | 2018-08-16 | 愛三工業株式会社 | Canister and evaporative fuel processing device |
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|---|---|
| CN110500206B (en) | 2020-09-11 |
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