CN105863889B - Evaporated fuel treating apparatus - Google Patents
Evaporated fuel treating apparatus Download PDFInfo
- Publication number
- CN105863889B CN105863889B CN201610056497.8A CN201610056497A CN105863889B CN 105863889 B CN105863889 B CN 105863889B CN 201610056497 A CN201610056497 A CN 201610056497A CN 105863889 B CN105863889 B CN 105863889B
- Authority
- CN
- China
- Prior art keywords
- valve
- evaporated fuel
- shell
- adsorption tanks
- closing
- 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.)
- Active
Links
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
- 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
-
- 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)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
Abstract
The present invention provides a kind of evaporated fuel treating apparatus, in adsorption tanks and closing valve and the evaporated fuel treating apparatus for being equipped on vehicle, simply can be equipped on evaporated fuel treating apparatus carrying operation when vehicle.The evaporated fuel access (31) for making evaporated fuel inflow and outflow is equipped between the adsorption tanks (40) of absorption and the disengaging of fuel tank (12) and the evaporated fuel for carrying out fuel tank (12).The closing valve (50) for being evaporated the opening and closing of the inflow and outflow of fuel is equipped on evaporated fuel access (31).It is equipped in closing valve (50) by moving spool relative to the relative position of valve seat using stepper motor and controls the motor-driven valve of the opening and closing of the inflow and outflow of evaporated fuel (60).Electrodynamic type open and close valve (60) is stored and is supported on the valve shell being integrally formed with the absorption tank shell for the shell for constituting adsorption tanks (40).
Description
Technical field
The present invention relates to a kind of evaporated fuel treating apparatus for being equipped on vehicle.
Background technique
In the past, equipped with for being carried out to evaporated fuels such as the gasoline vapours generated in fuel tank on the vehicles such as automobile
The evaporated fuel treating apparatus of processing.Evaporated fuel treating apparatus has the adsorption tanks and use for adsorbing and being detached from evaporated fuel
In the closing valve (referring to patent document 1) for blocking the evaporated fuel access between fuel tank and adsorption tanks.It is known in closing valve
The structure favorably constituted with solenoid valve.Specifically, making valve body relative to valve seat using the magnetic force of electromagnet in closing valve
The switching of evaporated fuel access is in an open state or closed state by relative movement.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2013-113197 bulletin
Summary of the invention
Problems to be solved by the invention
But in closing valve, the characteristic based on the solenoid valve produces the collision of valve body along with valve events
Sound.Therefore, also for this impact sound is rung not, closing valve must mutually be individually mounted at vehicle interior with adsorption tanks.But
Closing valve is mutually individually mounted at vehicle interior with adsorption tanks if so, then when evaporated fuel treating apparatus being equipped on vehicle
Carrying operation complicate.
The present invention is made into light of this situation, and the problem to be solved in the present invention is with adsorption tanks and closing
It valve and is equipped in the evaporated fuel treating apparatus of vehicle, can simply carry out the evaporated fuel treating apparatus being equipped on vehicle
When carrying operation.
The solution to the problem
To solve the above-mentioned problems, evaporated fuel treating apparatus of the invention adopts the following technical scheme that.That is, of the invention
The evaporated fuel treating apparatus of 1st technical solution is structure as follows: the evaporated fuel treating apparatus includes: adsorption tanks,
Its absorption for being used to be evaporated fuel and disengaging；Evaporated fuel access is used between the adsorption tanks and fuel tank make
Evaporated fuel inflow and outflow；And closing valve, it is used to be evaporated the inflow and outflow of fuel in the evaporated fuel access
Opening and closing；Electrodynamic type open and close valve is equipped in the closing valve, the electrodynamic type open and close valve using motor by keeping valve body opposite
It is moved in the relative position of valve seat to control the opening and closing of the inflow and outflow of evaporated fuel, the electrodynamic type open and close valve storage is simultaneously
It is supported on the valve shell being integrally formed with the absorption tank shell for the shell for constituting the adsorption tanks.
According to the evaporated fuel treating apparatus of the 1st technical solution, since electrodynamic type open and close valve is stored and is supported on and structure
At the valve shell that the absorption tank shell of the shell of adsorption tanks is integrally formed, thus can using adsorption tanks and electrodynamic type open and close valve as
Integrally handled.It, can be so that adsorption tanks be opened with electrodynamic type as a result, when evaporated fuel treating apparatus is equipped on vehicle
Valve closing integral the whole series are carried.When thereby, it is possible to simply carry out evaporated fuel treating apparatus being equipped on vehicle
Operation.Further in other words it is possible to realize pipings using a whole set of structure of adsorption tanks and electrodynamic type open and close valve integrally is made
Simplification.Thereby, it is possible to reduce be piped caused by the pressure loss, oiling resistance when can reduce to fuel tank filler.
In the evaporated fuel treating apparatus of the 1st technical solution, the evaporated fuel treating apparatus of the 2nd technical solution is
Structure as follows: it is equipped on the valve shell for making evaporated fuel relative to the opening of the adsorption tanks inflow and outflow
Port, the opening port are directly linked to the tank port of the adsorption tanks.It is handled and is filled according to the evaporated fuel of the 2nd invention
It sets, the opening port due to being set to valve shell is directly linked to the tank port of adsorption tanks, can reduce closing valve and absorption
Extra interval between tank.As a result, in the case where closing closing valve, it can reduce and remain on the closing valve and adsorption tanks
Between evaporated fuel.Thus, it is also possible to facilitate the small area of the area of passage of piping, also it is possible to realize keep spool mobile
Motor miniaturization.
In the evaporated fuel treating apparatus of the the 1st or described 2nd technical solution, the evaporated fuel of the 3rd technical solution
Processing unit is structure as follows: secondary access is equipped on the valve shell, which bypasses the electrodynamic type open and close valve
And become the evaporated fuel access, the stream that evaporated fuel is controlled according to the pressure of evaporated fuel is equipped on the secondary access
Enter the mechanical open valve closing of the opening and closing of outflow, the mechanical open valve closing stores and is supported on the valve shell.According to the 3rd skill
Valve shell is stored and are supported on to the evaporated fuel treating apparatus of art scheme, the mechanical open valve closing due to being set to secondary access,
Can using adsorption tanks with the closing valve with mechanical open valve closing as integrally handling.Thereby, it is possible in closing valve
Mechanical open valve closing is set, while it is possible to realize the simplification of operation when evaporated fuel treating apparatus to be equipped on to vehicle.
In addition, in the described 1st~the described 3rd in the evaporated fuel treating apparatus of any technical solution, the 4th technical solution
Evaporated fuel treating apparatus be structure as follows: be set on the valve shell for supporting the electrodynamic type opening and closing
The motor support zone of the motor of valve, the position of the valve shell combined with the absorption tank shell are set in described
The part in addition to motor support zone in valve shell.According to the evaporated fuel treating apparatus of the 4th technical solution, valve shell
Be set in the part in addition to motor support zone in valve shell with the position that combines of absorption tank shell.Thereby, it is possible to
Make to seek while the advantages of being difficult to be transferred to adsorption tanks, setting motor can be enjoyed using sound, vibration etc. that motor generates
Low-noise and low vibration.
Detailed description of the invention
Fig. 1 is the stereoscopic figure for indicating the appearance about evaporated fuel treating apparatus.
Fig. 2 is the schematic diagram for schematically showing the engine system for being equipped with evaporated fuel treating apparatus.
Fig. 3 is the perspective view for indicating closing valve.
Fig. 4 is the left side view for indicating closing valve.
Fig. 5 is the top view for indicating closing valve.
Fig. 6 is the bottom view for indicating closing valve.
Fig. 7 is Fig. 4 (VII)-(VII) line regarding sectional view.
Fig. 8 is Fig. 5 (VIII)-(VIII) line regarding sectional view.
Fig. 9 is the cross-sectional view for indicating the closed valve state of motor-driven valve.
Figure 10 is the cross-sectional view for indicating the valve opening state of motor-driven valve.
Description of symbols
10, engine system；11, engine；12, fuel tank；13, feed pipe；14, case lid；15, snorkel；16, fuel
Feedway；17, petrolift；18, fuel measurement device；19, pressure sensor in case；20, fuel supply passageway；21, injector；
22, delivery pipe；23, intake channel；24, air cleaner；25, air flow meter；26, air throttle；27, ORVR valve；28, fuel
Shut-off valve；30, evaporated fuel treating apparatus；31, vapor passageway (evaporated fuel access)；32, access is purged；35, blow down valve；
36, ambient air passage；37, air cleaner；40, adsorption tanks；41, tank shell is adsorbed；43, tank port；44, port is purged；45, big
Gas port；50, valve is closed；51, valve shell；53, the 1st pipe portion；54, the 2nd pipe portion；55, the 1st storage canister portion；56, the 2nd admission extinguisher
Portion；57, steam opening port；58, adsorption tanks opening port；60, motor-driven valve (electrodynamic type open and close valve)；61, the 1st valve chamber；
62, the 2nd valve chamber；63, the 1st valve port；64, valve seat；65, the 1st passage portion；66, the 2nd passage portion；67, primary path；68, stage portion；
69, the 2nd valve port；70, secondary access；701, longitudinal passage portion；702, cross walkway portion；72, valve seat；73, stepper motor；74, valve
Guidance；743, bellying；744, cylinder axle portion；75, spool (Japanese: man's cap used in ancient times body)；751, cylindrical portion；752, valve plate portion；753, it seals
Component；76, valve spring；77, output shaft；78, feed screw mechanism；80, overflow valve (mechanical open valve closing)；81, valve member；82,
Containment member；83, valve seat；84, helical spring；85, cover component；86, peripheral member.
Specific embodiment
Hereinafter, illustrating the embodiment of evaporated fuel treating apparatus for carrying out the present invention.The stereoscopic of Fig. 1 illustrates
Go out adsorption tanks 40 and closes the appearance for the evaporated fuel treating apparatus 30 that valve 50 is integrally formed.The signal diagrammaticalIy of Fig. 2 shows
The engine system 10 of evaporated fuel treating apparatus 30 is gone out to be equipped with.Evaporated fuel treating apparatus 30 is mounted on the vehicles such as automobile
Engine system 10 in.As shown in Fig. 2, engine system 10 has engine 11 and for storing to the supply of engine 11
The fuel tank 12 of fuel.Feed pipe 13 is equipped on fuel tank 12.Feed pipe 13 is from the oil filler of end thereon to fuel tank
The pipe that fuel is imported in 12 is equipped with case lid 14 in oil filler in a manner of assemble and unassemble.In the upper end of feed pipe 13 and fire
Gas-bearing formation portion in hopper 12 is connected using snorkel 15.
Fuel supply system 16 is equipped in fuel tank 12.Fuel supply system 16 has in sucking and pressurized fuel case 12
Fuel and the petrolift 17 discharged it, the fuel measurement device 18 of the liquid level for detecting fuel, for detecting as opposite
In pressure sensor 19 etc. in the case of the case internal pressure of the relative pressure of atmospheric pressure.It is drunk up out of fuel tank 12 using petrolift 17
Fuel has injector corresponding with each combustion chamber (fuel spray via fuel supply passageway 20 to engine 11, in detail
Penetrate valve) 21 delivery pipe 22 supplies, sprays later from each injector 21 into intake channel 23.It is equipped on intake channel 23
Air cleaner 24, air flow meter 25, air throttle 26 etc..
Evaporated fuel treating apparatus 30 has vapor passageway 31, purging access 32 and adsorption tanks 40, on adsorption tanks 40
Closing valve 50 is integrally installed.The closing valve 50 is set to vapor passageway 31, and carries out the stream of evaporated fuel (such as gasoline vapour)
Enter the opening and closing of outflow.The upstream side end of vapor passageway 31 is connected with the gas-bearing formation portion in fuel tank 12.Under vapor passageway 31
It is connected in trip side end and adsorption tanks 40.In addition, being connected in the upstream side end and adsorption tanks 40 of purging access 32.Purging
The passage portion of 26 downstream of ratio air throttle of the end of downstream side and intake channel 23 of access 32 is connected.
Adsorption tanks 40 are evaporated the absorption and disengaging of fuel.Adsorption tanks 40 are configured to the absorption ladle bowl for constituting shell
Body 41.The active carbon as the adsorbent material for making evaporated fuel adsorb and be detached from is filled in the inside of the absorption tank shell 41.
Tank port 43, purging port 44 and atmosphere port 45 when being equipped on adsorption tanks 40 for making evaporated fuel adsorb and be detached from
These three ports.These three ports 43,44,45 are set as the port with the tubular being connected with the inside of absorption tank shell 41
Shape.Tank port 43 is the port for being connected to the vapor passageway 31 communicated with fuel tank 12.Purging port 44 is to be connected to and send out
The port for the purging access 32 that motivation 11 communicates.Atmosphere port 45 is the port being connected to the ambient air passage 36 of atmosphere opening.
In the gas-bearing formation portion in fuel tank 12, ORVR valve (On Board is equipped in the upstream side end of vapor passageway 31
Refueling Vapor Recovery valve: vehicle-mounted oil gas recovery valve) 27 and fuel shut-off valve (Cut Off Valve)
28.ORVR valve 27 is that the trunkful that the float valve (float valve) being opened and closed by the buoyancy using fuel is constituted limits valve, in fuel tank
12 level of fuel is valve opening state when being trunkful liquid level or less, if making level of fuel rise to trunkful liquid level by refueling,
Float valve valve closing, to block vapor passageway 31.When blocking vapor passageway 31 using ORVR valve 27, fuel is filled up to feed pipe
13, the auto-stop mechanism of refueling nozzle is acted, and is refueled and is stopped.In addition, fuel shut-off valve 28 using the buoyancy of fuel by being opened
The float valve that closes is constituted, and is generally maintained at valve opening state, the valve closing in vehicle roll, to prevent fuel in fuel tank 12 to steaming
Gas access 31 flows out.
Blow down valve 35 is installed in the midway of purging access 32.Blow down valve 35 according to by ECU (Engine Control
Unit: control unit of engine) the calculated corresponding valve opening amount of purge flow rate by open and close control, i.e. so-called purging control.
In addition, blow down valve 35 for example can adjust valve opening amount and with the stroke of stepper motor and control valve core.In addition, purging
Valve 35 be equipped with electromagnetic coil, under non-power status valve closing and by energization valve opening.Adsorption tanks 40 with to atmosphere opening
Ambient air passage 36 is connected.Air cleaner 37 is installed in the midway of the ambient air passage 36.
If the evaporated fuel in fuel tank 12 enters in adsorption tanks 40 via vapor passageway 31, it is adsorbed on the adsorption tanks
Adsorbent material (active carbon) in 40.For example, becoming high pressure in the case inner pressure ratio atmospheric pressure of fuel tank 12 in vehicle parking
In the case of, the motor-driven valve 60 of closing valve 50 is opened, the evaporated fuel in fuel tank 12 is made to be adsorbed in absorption via vapor passageway 31
Adsorbent material in tank 40.In addition, in vehicle traveling, in the case where scheduled purging condition is set up, blow down valve 35 is opened,
Act on the air-intake negative-pressure of engine 11 in adsorption tanks 40 via purging access 32.In this case, it is adsorbed in adsorption tanks 40
Adsorbent material evaporated fuel from adsorbent material be detached from, the evaporated fuel of disengaging is together with from the air that ambient air passage 36 sucks
It is purged to intake channel 23 and is burnt in engine 11.
Vapor passageway 31 is equivalent to evaporated fuel access of the invention.Vapor passageway 31 adsorption tanks 40 and fuel tank 12 it
Between make evaporated fuel inflow and outflow.Here, being equipped in the side by vapor passageway 31 of adsorption tanks 40 becomes with the adsorption tanks 40
The closing valve 50 of one.The closing valve 50 carry out vapor passageway 31 opening and closing, via vapor passageway 31 make evaporated fuel relative to
The inside inflow and outflow of adsorption tanks 40.Closing valve 50 is integrally formed with adsorption tanks 40, is also illustrated later.Valve 50 is closed to have
There are the motor-driven valve 60 as electrodynamic type open and close valve and the overflow valve 80 as mechanical open valve closing.Here, the storage of motor-driven valve 60 is simultaneously
It is supported on the 1st storage canister portion 55 (motor-driven valve storage canister portion) of a part for constituting valve shell 51.In addition, the storage of overflow valve 80 is simultaneously
It is supported on the 2nd storage canister portion 56 (overflow valve storage canister portion) of a part for constituting valve shell 51.
Then, illustrate the specific structure for closing valve 50.Fig. 3 is the perspective view for closing valve 50.In addition, Fig. 4 is closing valve 50
Left side view, Fig. 5 be close valve 50 top view.In addition, Fig. 6 is the bottom view for closing valve 50, Fig. 7 is Fig. 4 (VII)-
(VII) line regarding sectional view, Fig. 8 are Fig. 5 (VIII)-(VIII) line regarding sectional views.In addition, Fig. 9 is to indicate motor-driven valve 60
Closed valve state cross-sectional view, Figure 10 is the cross-sectional view for indicating the valve opening state of motor-driven valve 60.Hereinafter, illustrating the closing valve 50
When, based on all around upper and lower is always illustrated documented by attached drawing.
Valve shell 51 becomes using resin as the formed products of material.Valve shell 51 substantially have the 1st pipe portion 53, the 2nd pipe portion 54,
1st storage canister portion 55 and the 2nd storage canister portion 56 is simultaneously integrally formed.1st pipe portion 53 and the 2nd pipe portion 54 are formed as inner hollow
Circular tube shaped.1st pipe portion 53 and the 2nd pipe portion 54 are formed as same caliber or substantially same caliber.1st pipe portion 53 is to be connected to and fire
The pipe portion for the vapor passageway 31 that hopper 12 communicates.Therefore, the upstream side end of the 1st pipe portion 53 is set to steam open end
Mouth 57.Steam opening port 57 is connected to vapor passageway 31.
2nd pipe portion 54 is to be connected to the pipe portion of the tank port 43 of adsorption tanks 40.Therefore, the end of downstream side of the 2nd pipe portion 54
It is set to adsorption tanks opening port 58.Adsorption tanks opening port 58 is equivalent to opening port of the invention.Adsorption tanks are used
Opening port 58 makes to flow into via the evaporated fuel of closing valve 50 from vapor passageway 31 towards adsorption tanks 40.Adsorption tanks open end
Mouth 58 is formed as the end of downstream side of the 2nd pipe portion 54.Therefore, adsorption tanks opening port 58 is set as other structures with valve shell 51
At partially integrally formed in the same manner.Adsorption tanks are directly linked to the tank port 43 of adsorption tanks 40 with opening port 58.It is straight as this
Tie in succession, become adsorption tanks fixed with opening port 58 relative to the screw of tank port 43, adsorption tanks opening port 58 relatively
In the direct connection based on widely known connecting technology such as indentation of tank port 43.That is, in the tank port 43 of adsorption tanks 40, no
Via access appropriate directly integrally it is linked with closing valve 50.
As shown in fig. 7, being formed with the 1st valve chamber 61 in the rear end of the 1st storage canister portion 55.In addition, in two pipe portions 53,54
It is interconnected via the 1st valve chamber 61.The opening portion by 61 side of the 1st valve chamber of 1st pipe portion 53 is formed as the 1st valve port 63.1st valve port
63 are formed as the internal diameter of the slightly less than internal diameter of the 1st pipe portion 53.The peristoma portion of 1st valve port 63 is formed as valve seat 64.1st pipe portion 53
Inside be formed as the 1st passage portion 65 for extending along direction identical with the axial direction of the 1st valve port 63 and bending to the left.2nd pipe portion
Be formed as the 2nd passage portion 66 in 54, the 1st valve port 63 with by side (rear side) of the 1st passage portion 65 opposite side, i.e. before
Side, the 2nd passage portion 66 extend along the right direction different from axial direction (front-rear direction) of the 1st passage portion 65.Utilize the 1st access
Portion 65 and the 2nd passage portion 66 form the primary path 67 of elbow shape.
As shown in figure 8, being formed with the stage portion 68 for making internal diameter become smaller in same heart shaped in the lower end of the 2nd storage canister portion 56.
Hollow portion in stage portion 68 is formed as the 2nd valve port 69 being connected with the 2nd valve chamber 62 in the 2nd storage canister portion 56.2nd valve port
69 are connected to using its 1st passage portion 65 between the 2nd storage canister portion 56 with the 1st pipe portion 53.The 2nd valve chamber is leaned in stage portion 68
On the end face of 62 sides, the valve seat 72 of metal annulus plate is configured in same heart shaped.
The internal diameter of valve seat 72 is formed as and the same internal diameter of the internal diameter of stage portion 68 or substantially same internal diameter.The periphery of valve seat 72
Portion is embedded in the 2nd storage canister portion 56.The longitudinal passage vertically extended is formed in the front end of the 2nd storage canister portion 56
Portion 701.The upper end in longitudinal passage portion 701 is connected with the 2nd valve chamber 62.Valve seat 72 is run through in longitudinal passage portion 701.It is received the 1st
Receiving the left part of canister portion 55 is formed with the cross walkway portion 702 extended forward and backward.The front end in cross walkway portion 702 and the
1 valve chamber 61 is connected.The rear end in cross walkway portion 702 is connected with the lower end in longitudinal passage portion 701.That is, utilizing the 2nd valve
The 69, the 2nd valve chamber 62 of mouth, longitudinal passage portion 701, cross walkway portion 702 and the 1st valve chamber 61 constitute around the 1st valve port 63
Secondary access 70.The pair access 70 is provided at the access of the inside of valve shell 51, becomes around in a manner of motor-driven valve 60 and overflow
The evaporated fuel access that valve 80 communicates.
Motor-driven valve 60 is constituted as shown in Figure 9 and Figure 10 in detail.Motor-driven valve 60 is stored and is supported on as valve shell
In the 1st storage canister portion 55 of 51 a part.Therefore, the 1st storage canister portion 55 is set in valve shell 51, supports electric valve
The motor support zone of 60 stepper motor 73.That is, closing valve 50, which passes through, to be made to store canister portion except the 1st as motor support zone
Other than 55, the 2nd pipe portion 54 adsorption tanks opening port 58 combines with absorption tank shell 41 and becomes one with adsorption tanks 40
Body.
Motor-driven valve 60 has stepper motor 73, valve guide 74, spool 75 and valve spring 76.In addition, spool 75 is equivalent to this
The spool of invention.Stepper motor 73 is arranged in the 1st storage canister portion 55 by front-rear direction of its axial direction.Stepper motor 73 has energy
The output shaft 77 of enough positive and negative rotations.Output shaft 77 is directed toward rear, and the 1st valve chamber for storing canister portion 55 the 1st in same heart shaped configuration
In 61.External screw thread is formed on the outer peripheral surface of output shaft 77.Stepper motor 73 is equivalent to motor of the invention.The stepper motor
73 include brushless motor.In addition, spool 75 is equivalent to valve body of the invention.That is, motor-driven valve 60 becomes by utilizing stepping horse
It is moved and controls the valve of the opening and closing of the inflow and outflow of evaporated fuel in the relative position for making spool 75 be equivalent to valve seat 64 up to 73.
Valve guide 74 is configured in the 1st valve chamber 61 in a manner of it can move along axial direction, i.e. front-rear direction.74 quilt of valve guide
Rotation stop component (not shown) limits peripheral wall portion (the 1st storage canister portion 55) around direction rotation relative to the 1st valve chamber 61.Valve is led
It holds 74 bellying 743 and is separated relative to the inner wall of the 1st valve chamber 61 and scheduled is fitted into gap.Cylinder axle portion 744 it is interior
The internal screw-thread screw of circumferential surface is in the external screw thread of the output shaft 77 of stepper motor 73.Therefore, valve guide 74 according to output shaft 77 just
Reverse rotation is moved along axial (front-rear direction).In addition, using in the external screw thread of output shaft 77 and the inner peripheral surface of spool 75
Screw thread constitutes feed screw mechanism 78.
In addition, being equipped with the secondary spring being made of helical spring between valve seat 64 and the bellying 743 of valve guide 74
79.Secondary spring 79 inhibits the backlash of feed screw mechanism 78 by always exerting a force forwards to valve guide 74.Spool 75 has
There is the valve plate portion 752 of cylindric cylindrical portion 751 and the open rearward end portion for closing cylindrical portion 751.Pacify in valve plate portion 752
Equipped with the 1st circular containment member 753 being made of rubber-like elastic materials.Spool 75 is in same heart shaped and with can be forward
The mobile mode of rear direction configures in valve guide 74.1st containment member 753 is in a manner of it can be connected to valve seat 64 and valve seat
64 is opposite.In addition, spool 75 is in the state of circumferentially by 74 rotation stop of valve guide can make a reservation for along axial direction (front-rear direction)
Mobile mode is carried out in range to be connected with valve guide 74.In addition, valve spring 76 is made of helical spring, relative to valve guide 74
Always exert a force to spool 75 to direction is closed.
In addition, under the valve opening state of motor-driven valve 60, if stepper motor 73 is made to carry out valve closing work, make output shaft 77 to
It closes direction to rotate, moves valve guide 74 and spool 75 rearward by feed screw mechanism 78.In this case, spool 75 is fallen
Seat is in valve seat 64 and becomes closed valve state.In addition, if moving valve guide 74 further rearward, valve guide 74 and spool 75
Between connection be released from.In contrast, under the closed valve state of motor-driven valve 60, if stepper motor 73 is made to carry out valve opening work,
It rotates output shaft 77 along valve opening position, moves valve guide 74 forwards by feed screw mechanism 78.It is such
Words leave spool 75 from valve seat 64 and become valve opening state.
As shown in figure 8, overflow valve 80 is stored and is supported in the 2nd storage canister portion 56 of a part as valve shell 51.
Overflow valve 80 controls the opening and closing of the inflow and outflow of evaporated fuel via secondary access 70.The stream for the evaporated fuel that the overflow valve 80 carries out
The open and close control for entering outflow becomes corresponding with the pressure of evaporated fuel and controls.Detailed view is omitted in the overflow valve 80, but
It is that there is positive pressure overflow valve system and negative pressure overflow valve system in same heart shaped.These valve systems are in same heart shaped and with can be upper and lower
In the 2nd valve chamber 62 that mobile mode configured in the 2nd storage canister portion 56.That is, overflow valve 80, which has, to store canister portion 56 the 2nd
The 2nd valve chamber 62 in the valve member 81 that moves up and down.If valve member 81 moves downward, the downside of valve member 81 will be configured at
Containment member 82 to downside press.It is set as capable of being sealed at valve seat 83 by the containment member 82 pressed to downside and becomes valve closing
State.In addition, being configured with helical spring 84 in the upside of valve member 81.Helical spring 84 is to the lower section as valve closing direction to valve
Component 81 exerts a force.In addition, being equipped in the upside of helical spring 84 prevents the cover component 85 to fall off using peripheral member 86.
According to above-mentioned evaporated fuel treating apparatus 30, following function and effect can be played.That is, at according to above-mentioned evaporated fuel
Device 30 is managed, stores and is supported on due to motor-driven valve 60 and be integrally formed with the absorption tank shell 41 for the shell for constituting adsorption tanks 40
Valve shell 51, therefore adsorption tanks 40 can be used as with motor-driven valve 60 and integrally be handled.It is handled as a result, by evaporated fuel
It, can be so that adsorption tanks 40 the whole series integral with motor-driven valve 60 be carried when device 30 is equipped on vehicle.Thereby, it is possible to
Simply carry out for evaporated fuel treating apparatus 30 being equipped on operation when vehicle.Further in other words using adsorption tanks 40 are made
The integral a whole set of structure with motor-driven valve 60, it is possible to realize the simplifications that purging access 32 waits pipings.Thereby, it is possible to reduce to match
The pressure loss caused by managing can reduce oiling resistance when refueling to fuel tank 12.
According to above-mentioned evaporated fuel treating apparatus 30, the adsorption tanks opening port 58 due to being set to valve shell 51 directly connects
It ties in the tank port 43 of adsorption tanks 40, therefore the extra interval between closing valve 50 and adsorption tanks 40 can be reduced.Exist as a result,
In the case where closing closing valve 50, the evaporated fuel remained between the closing valve 50 and adsorption tanks 40 can be reduced.Therefore,
It can also assist in the small area of the area of passage of the pipings such as the 2nd pipe portion 54, also it is possible to realize the steppings for keeping spool 75 mobile
The miniaturization of motor 73.
According to above-mentioned evaporated fuel treating apparatus 30, the overflow valve 80 due to being set to secondary access 70 is stored and is supported on outside valve
Shell 51, therefore adsorption tanks 40 can be used as with the closing valve 50 with overflow valve 80 and integrally be handled.Thereby, it is possible to
It closes and overflow valve 80 is set in valve 50, while it is possible to realize the letters of operation when evaporated fuel treating apparatus 30 to be equipped on to vehicle
Change.In addition, the position of valve shell 51 combined with absorption tank shell 41 is set according to above-mentioned evaporated fuel treating apparatus 30
In valve shell 51 in addition to storing canister portion 55 as the 1st of motor support zone, the adsorption tanks open end of the 2nd pipe portion 54
Mouth 58.Thereby, it is possible to make sound caused by stepper motor 73, vibration etc. be difficult to be transferred to adsorption tanks 40.Thereby, it is possible to be arranged
Low-noise and low vibration is sought while stepper motor 73.
In addition, being not limited to the evaporated fuel treating apparatus of above embodiment in power tool of the invention
30 structure, such as the structure that also can change the inside of adsorption tanks 40 etc. and constitute.In addition, about engine system 10,
It can change suitable position and constitute.
Claims (3)
1. a kind of evaporated fuel treating apparatus, wherein
The evaporated fuel treating apparatus includes:
Adsorption tanks are used to be evaporated the absorption and disengaging of fuel；
Evaporated fuel access is used between the adsorption tanks and fuel tank make evaporated fuel inflow and outflow；And
Valve is closed, is used to be evaporated the opening and closing of the inflow and outflow of fuel in the evaporated fuel access；
Electrodynamic type open and close valve is equipped in the closing valve, the electrodynamic type open and close valve using motor by making valve body relative to valve
The relative position of seat is moved to control the opening and closing of the inflow and outflow of evaporated fuel,
What the absorption tank shell that the shell of the adsorption tanks was stored and be supported on and constituted to the electrodynamic type open and close valve was integrally formed
Valve shell,
Secondary access is equipped on the valve shell, the pair access is around the electrodynamic type open and close valve and logical as the evaporated fuel
Road,
The machinery that the opening and closing of inflow and outflow of evaporated fuel is controlled according to the pressure of evaporated fuel is equipped on the secondary access
Formula open and close valve,
Tank port and purging port are equipped on the adsorption tanks,
The axis direction of the mechanical open valve closing be along it is described absorption tank shell as the short side direction in lower section side
To the section is the section of the orientation along the tank port and the purging port of the absorption tank shell.
2. evaporated fuel treating apparatus according to claim 1, wherein
It is equipped on the valve shell for making evaporated fuel relative to the opening port of the adsorption tanks inflow and outflow,
The opening port is directly linked to the tank port of the adsorption tanks.
3. evaporated fuel treating apparatus according to claim 1 or 2, wherein
The motor support zone of the motor for supporting the electrodynamic type open and close valve is set on the valve shell,
The position of the valve shell combined with the absorption tank shell is set in the motor that removes in the valve shell and supports model
Part other than enclosing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-024086 | 2015-02-10 | ||
| JP2015024086A JP6320947B2 (en) | 2015-02-10 | 2015-02-10 | Evaporative fuel processing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105863889A CN105863889A (en) | 2016-08-17 |
| CN105863889B true CN105863889B (en) | 2019-03-12 |
Family
ID=56623925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610056497.8A Active CN105863889B (en) | 2015-02-10 | 2016-01-27 | Evaporated fuel treating apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6320947B2 (en) |
| CN (1) | CN105863889B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3634801B1 (en) * | 2017-06-09 | 2022-05-25 | Plastic Omnium Advanced Innovation And Research | Vehicle fuel system with vapour control |
| JP7019515B2 (en) * | 2018-06-06 | 2022-02-15 | 愛三工業株式会社 | Fluid control valve |
| JP6983728B2 (en) * | 2018-06-06 | 2021-12-17 | 愛三工業株式会社 | Fluid control valve and evaporative fuel treatment equipment |
| JP7257301B2 (en) * | 2019-09-25 | 2023-04-13 | マーレジャパン株式会社 | Fuel adsorption device and evaporated fuel processing device using the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103649516A (en) * | 2011-08-03 | 2014-03-19 | 丰田自动车株式会社 | Fuel tank system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2591158Y2 (en) * | 1992-03-03 | 1999-02-24 | 三菱電機株式会社 | Fuel evaporative emission control system |
| JP3274084B2 (en) * | 1997-05-27 | 2002-04-15 | トヨタ自動車株式会社 | Canister |
| JP2001152977A (en) * | 1999-11-26 | 2001-06-05 | Toyo Roki Mfg Co Ltd | Canister module |
| FR2828442B1 (en) * | 2001-08-13 | 2003-12-05 | Inergy Automotive Systems Man | MULTIFUNCTIONAL ASSEMBLY OF A FUEL SYSTEM, RESERVOIR COMPRISING SAID ASSEMBLY AND METHOD FOR MANUFACTURING THE SAME. |
| JP5122419B2 (en) * | 2008-10-29 | 2013-01-16 | 愛三工業株式会社 | Canister accessory mounting structure |
| JP5456493B2 (en) * | 2010-01-13 | 2014-03-26 | 愛三工業株式会社 | Solenoid valve and evaporative fuel processing apparatus equipped with the solenoid valve |
| US8944100B2 (en) * | 2010-03-30 | 2015-02-03 | Eaton Corporation | Isolation valve with fast depressurization for high-pressure fuel tank |
| JP2013113197A (en) * | 2011-11-28 | 2013-06-10 | Toyota Motor Corp | Tank internal pressure detecting device and sealing valve opening/closing control device |
| JP5936985B2 (en) * | 2012-10-12 | 2016-06-22 | 愛三工業株式会社 | Evaporative fuel processing equipment |
-
2015
- 2015-02-10 JP JP2015024086A patent/JP6320947B2/en active Active
-
2016
- 2016-01-27 CN CN201610056497.8A patent/CN105863889B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103649516A (en) * | 2011-08-03 | 2014-03-19 | 丰田自动车株式会社 | Fuel tank system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016148250A (en) | 2016-08-18 |
| JP6320947B2 (en) | 2018-05-09 |
| CN105863889A (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105863889B (en) | Evaporated fuel treating apparatus | |
| US8622088B2 (en) | Solenoid valves capable of controlling valve-opening area | |
| US8506692B2 (en) | Valves capable of controlling valve-opening area | |
| CN107110072B (en) | Evaporated fuel treating apparatus | |
| US9284923B2 (en) | Fuel vapor recovery apparatus | |
| JP4800271B2 (en) | Evaporative fuel emission suppression device | |
| JP5961026B2 (en) | Evaporative fuel processing equipment | |
| JP6275634B2 (en) | Flow control valve and evaporated fuel processing device | |
| US8448629B2 (en) | Fuel vapor processing apparatus | |
| US10605206B2 (en) | Fuel vapor processing apparatus | |
| JP2010076662A (en) | Motorcycle | |
| JP6210096B2 (en) | Fuel tank structure | |
| JPH09236059A (en) | Fuel storing device for automobile | |
| CN101545423B (en) | Evaporated fuel treatment device for motorcycle | |
| JP3894826B2 (en) | Evaporative fuel processing equipment | |
| JP2010270618A (en) | Evaporated fuel treatment device | |
| US20120234302A1 (en) | Evaporative fuel treatment apparatus of vehicle | |
| WO2016147717A1 (en) | Canister | |
| JP2008132989A (en) | Fuel tank device for vehicle | |
| KR20210024013A (en) | Method and apparatus for controlling vapor recirculation in gasoline fuel tank | |
| US11603157B2 (en) | Vehicle | |
| JP2010132066A (en) | Vehicular fuel tank | |
| JP5949475B2 (en) | Vehicle fuel storage device | |
| JP4847370B2 (en) | Vehicle fuel tank | |
| JP6387077B2 (en) | Fuel tank system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |