CN106121885A - For gaseous state or the injection valve of liquid medium and for the method manufacturing this injection valve - Google Patents
For gaseous state or the injection valve of liquid medium and for the method manufacturing this injection valve Download PDFInfo
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- CN106121885A CN106121885A CN201610427590.5A CN201610427590A CN106121885A CN 106121885 A CN106121885 A CN 106121885A CN 201610427590 A CN201610427590 A CN 201610427590A CN 106121885 A CN106121885 A CN 106121885A
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- China
- Prior art keywords
- atretic body
- injection valve
- seat
- valve seat
- micro structure
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
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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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
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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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/1873—Valve seats or member ends having circumferential grooves or ridges, e.g. toroidal
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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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/188—Spherical or partly spherical shaped valve member ends
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0651—One-way valve the fluid passing through the solenoid coil
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/02—Fuel-injection apparatus having means for reducing wear
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Lift Valve (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The present invention relates to a kind of for gaseous state or the injection valve of liquid medium, this injection valve has atretic body and valve seat, wherein, atretic body can move between a state and close stance state opening, open under a state described, atretic body and valve seat separate spacing, under described close stance state, the atretic body contact area of atretic body abuts on the territory, seat area of valve seat hermetically, wherein, atretic body contact area and/or territory, seat area have the micro structure of friction between this atretic body contact area of increase and this territory, seat area.
Description
Technical field
The present invention with according to claim arranged side by side as described in the preamble for gaseous state or the injection valve of liquid medium and
It is starting point for manufacturing the method for gaseous state or the injection valve of liquid medium.
Background technology
The injection valve of the above-mentioned type can be used for metered media.Described injection valve is preferably used the fuel system at internal combustion engine
In, in combustor or the suction passage injecting fuel into this internal combustion engine.This injection valve typically have atretic body and
Valve seat.Described atretic body generally can move between a state and close stance state opening.Under opening a state, atretic body and valve seat every
The standard width of a room in an old-style house away from so that described medium can flow through described valve.Under close stance state, the atretic body contact area of atretic body is general hermetically
Abut on the territory, seat area of valve seat so that medium described in total ban flows out in combustor or suction passage.
Because atretic body is repetitively formed with valve seat and contacts and wear away due to friction, so the use longevity of this injection valve
Life depends greatly on the abrasion of atretic body and valve seat.In order to reduce this wear phenomenon and it is known that hardening atretic body and/or
Valve seat, or, for atretic body and/or valve seat, wear-resistant coating layer is set.But, can be prolonged by the service life that these measures realize
Length is limited.
Summary of the invention
Within this context, the task of the present invention is, improves the service life of injection valve further.
Unlike the prior art, there is the injection valve according to the present invention of claim feature arranged side by side and according to this
Arranging for manufacturing in the method for injection valve of invention: by atretic body contact area and/or territory, seat area
Micro structure improves the friction between this atretic body contact area and this territory, seat area.This causes: opens at valve and/or closes
When closing, atretic body is reduced relative to the sliding motion of valve seat.The reduction of this sliding motion causes on atretic body and/or valve seat
Wear phenomenon reduces, and improves the service life of described valve the most on the whole.
Described atretic body contact area and territory, described seat area the most all have the micro structure improving friction so that
Under close stance state, the micro structure of atretic body contact area interacts with the micro structure in territory, seat area.Particularly preferred
It is: improve atretic body roughness in atretic body contact area by described micro structure and improve valve seat in seat area
Roughness in territory so that under close stance state, these micro structures can cooperate, especially can engage each other.Thus, atretic body
With the undesirable relative motion between valve seat can be further decreased, thus again improve the service life of valve.Additionally, can lead to
The micro structure of the micro structure and valve seat of crossing atretic body engages and makes it possible to realize sealing the high load-bearing ratio in coordinating and realizing closing
Close the sealing effectiveness improved under a state.
Described atretic body can be configured to outside atretic body contact area do not have micro structure.It is additionally possible that described valve
Seat structure is not for have micro structure outside territory, seat area.
The advantageous configuration of the present invention and expansion scheme can be obtained by dependent claims and the description carried out referring to the drawings
Know.
Arrange according to a kind of preferred configuration: described micro structure includes the structural detail of projection, thus improves atretic body and connects
Touch region or the roughness in territory, seat area.Under close stance state, the structural detail of described projection can be with opposed contact
Region promptly (verkrallen) or engagement, and thus increase the friction between atretic body and valve seat.
Described micro structure preferably includes structural detail, and described structural detail is configured as that be orientated abreast, the most linear
Projection.These structural details can be configured to lug, nib, and described lug, nib is separated from each other by groove.There is be orientated abreast, base
Protruding micro structure linear in basis such as can be by making with laser emission processing atretic body surface or valve base surface.
Explicitly, it is proven particularly preferably: described micro structure includes structural detail, described structural detail structure
Make the periodic surface structure caused for laser.This kind of micro structure is also referred to as the ripple of self-organizing (selbstorganisierte)
Shape wave structure.Structural detail can have the size less than or equal to optical maser wavelength used and/or spacing.
According to a kind of advantageous configuration, described micro structure has the structural detail stretched out from atretic body or valve seat along a direction,
Described direction is transverse to the direction of motion ground of blocking element, in particular transverse to the motion opened between a state and close stance state
Direction of motion ground orientation.By being arranged so as to structural detail, valve sealing effectiveness under close stance state can be improved.Work as structural detail
When atretic body or valve seat stretch out along the direction being vertically oriented with the blocking element direction of motion, particularly advantageous sealing can be realized
Effect.
According to a kind of advantageous configuration, described micro structure has structural detail, described configuration of structural elements be circular and
Intensively arranging that projection, described projection have and made flat cross section, so that can realize: under close stance state, one micro-
Multiple structural details of structure abut on the contact surface of corresponding another element (atretic body or valve seat) of injection valve.Such as,
There is the micro structure of structural detail if be provided with in territory, seat area (these configuration of structural elements are circular and concentrate
The projection that ground is arranged, and there is the cross section that system was put down), even if then when atretic body region does not has micro structure, in locking
Under the state of position, these structural details also can abut on multiple positions of atretic body contact area.Thus, micro structure forms fan
Palace formula seals, and thus improves injection valve sealing under close stance state.
Advantageously, described micro structure has the structural detail being arranged to be spaced from each other a spacing being less than 150 μm so that
Under the close stance state of atretic body, granule can be received in the region between these structural details.By structural detail it
Between receive granule, territory, seat area and/or the impaired danger due to these granules of atretic body contact area can be reduced.?
Avoiding this damage aspect to be proven particularly advantageously, the spacing of these structural details is in the model of 30 μm to 150 μm
In enclosing, it is preferably in the range of 50 μm to 100 μm, is particularly preferably in the range of 60 μm to 80 μm.
A kind of preferred configuration is arranged: described micro structure includes being arranged to be spaced from each other one less than 5 μm, preferably smaller than 1 μm
The structural detail of spacing, thus can realize improving sealing effectiveness.
Advantageously such a configuration, in this configuration, described micro structure includes structural detail, wherein, described structure
Between the height of element and these structural details, the ratio of spacing is in the range of 0.2 to 1, is preferably in the model of 0.3 to 0.6
In enclosing.By so determining the size of structural detail, can set a coefficient of friction of atretic body and valve seat, this coefficient of friction makes
The least abrasion can be realized in the case of high sealing effect.
When injection valve has spherical ground or the atretic body that conically constructs and infundibulate valve seat, advantageous applications this
Bright.When atretic body is spherical, atretic body contact area is preferably by the type structure in layers of balls shell face.Taper atretic body preferably has
Atretic body contact area corresponding to truncated cone shell face.When valve seat is infundibulate, territory, seat area is by annulus type or presses
Truncated cone shell face type structure.
According to a kind of preferred extension of described method, by with laser, especially with the interference pattern processing of laser
Atretic body contact area and/or valve body contact region produce described micro structure so that described micro structure can be made to have height
Precision.It is particularly preferred that femtosecond laser can be used.Alternatively, atretic body contact area and/or micro-knot in territory, seat area
The generation of structure can be stroked by brush, honing or sandblasting are carried out.
The expansion scheme of a kind of replacement according to described method, produces institute by casting method, especially pressure casting method
State micro structure.
Explicitly, it is proven advantageously: structural texture element in the first step.These structural details are such as
Can have the cross section on band summit.Advantageously, in the second step of and then first step, will by cutting type processing method
Described structural detail system is put down, and thus makes structural detail be formed with the cross section that system was put down.
Accompanying drawing explanation
Embodiments of the invention are shown in the drawings and explain in detail in description below.Shown in accompanying drawing:
Fig. 1 illustrates the first embodiment of the injection valve according to the present invention with sectional view,
Fig. 2 illustrates atretic body and the valve seat of the injection valve according to Fig. 1 with schematic diagram,
Fig. 3 illustrates the atretic body of first embodiment and valve seat micro structure with schematic diagram,
Figure 4 and 5 illustrate the device for manufacturing the injection valve according to first embodiment,
Fig. 6 illustrates atretic body and the valve seat of the second embodiment of injection valve with schematic diagram,
Fig. 7 illustrates the micro structure of the valve seat of the second embodiment with schematic diagram.
Detailed description of the invention
Figure 1 illustrates a kind of for gaseous state or liquid medium, Electromagnetically activatable injection valve 1, this injection valve is made
It is used in the internal combustion engine of mixing compression, external source igniting.This injection valve 1 has spherical atretic body 2, and this spherical atretic body 2 is arranged to
Can be moved relative to infundibulate valve seat 3 by electromagnetic actuators.Atretic body 2 and valve seat 3 are made up of the steel especially hardening.Pass through
Opening 10 in valve seat 3 can be by the combustor of medium injection to internal combustion engine or inlet channel.Different from the diagram in Fig. 1
Ground, valve seat 3 can have multiple opening.
The electromagnetic actuators of injection valve 1 has solenoid 4 and the armature 5 concured with this solenoid 4.This rank
Ferrum 5 is connected with atretic body 2 by needle 6.Atretic body 2 can move together with armature 5 in the direction of motion 100, this direction of motion
It is orientated the imaginary connecting line being parallel between armature 5 and atretic body 2.By acting on the spring 7 on needle 6, atretic body 2 quilt
Direction pretension towards the close stance state shown in Fig. 1.Under this close stance state, atretic body 2 prevents described medium by jet 10
Flow out.
In order to open injection valve 1 and therefore to lifted from valve seat 3 by atretic body 2 with resisting the power of spring 7, activation has
Solenoid 4 and the electromagnetic actuators of armature 5.When this electromagnetic actuators is not activated, make atretic body 2 by the power of spring 7
Direction to valve seat 3 is moved again, i.e. injection valve 1 is closed.Thus, atretic body 2 is by described electromagnetic actuators and bullet
The common effect of spring 7 and can move between state and closed mode open.
Figure 2 illustrates the injection valve 1 schematic diagram in valve seat 3 region, wherein, spherical atretic body 2 is in from infundibulate
What valve seat 3 lifted opens a state, and under this opens a state, medium is injected by opening 10.When injection valve 1 is closed, close
Lock body 2 the most mutually reclines with valve seat 3, and wherein, the atretic body contact area 8 of atretic body 2 touches the valve seat contact of valve seat 3
Region 9.Atretic body contact area 8 has the shape in layers of balls shell face, and truncated cone shell face type structure is pressed in territory, seat area 9.
In order to improve the service life of injection valve 1, atretic body contact area 8 and/or territory, seat area 9 have micro structure
11, this micro structure 11 increases the friction between atretic body contact area 8 and territory, seat area 9.This is made by this micro structure 11
The coefficient of friction of friction pair at least increases in local.The atretic body 2 cunning relative to valve seat 3 is made by this increase of coefficient of friction
Shifting movement reduces and so that friction displacement reduces, this causes the wear volume in injection valve 1 to reduce.Thus, atretic body 2
The resistance stood when moving relative to valve seat 3 is increased.
In the first embodiment, both in atretic body contact area 8, also in territory, seat area 9, layout increases friction
Micro structure 11 so that under close stance state, produce engaging of atretic body contact area 8 and territory, seat area 9.But for
Increase the friction between atretic body 2 and valve seat 3, or only atretic body contact area 8 have increase friction micro structure 11 or
Only territory, seat area 9 have increase friction micro structure 11 enough.
As can be learnt by the diagram in Fig. 3, micro structure 11 has the structural detail 12 of multiple projection, and these are protruding
Structural detail be arranged to regular spacing 101 spaced apart.Atretic body contact area 8 and territory, seat area 9
It is smaller than 5 μm, preferably smaller than 1 μm between each structural detail 12 of micro structure 11.The height 102 of structural detail 12 is so
Select so that the height of structural detail 12 102 is in the range of 0.2 to 1 with the ratio of spacing 101, be preferably in 0.3 to
In the range of 0.6.
These structural details 12 are that be orientated abreast, the most linear projection by lug, nib type structure, and these are protruding
It is separated from each other by groove.This lug, nib-groove microstructure 11 can as the most also can more particularly described below as pass through
Produce with laser beam finished surface.
In order to improve injection valve sealing effectiveness under close stance state, structural detail 12 from atretic body 2 and valve seat 3 along a side
To stretching out, the direction is orientated transverse to the direction of motion 100 ground of blocking element 2.Atretic body contact area 8 and valve seat contact
The structural detail 11 in region 9 complementally constructs so that under close stance state, atretic body contact area 8 and seat area
The structural detail 11 in territory 9 engages each other.Compared with the most intermeshing situation of atretic body contact area 8 and territory, seat area 9,
When engagement, the frictional work in little friction displacement much is reduced.
Use a kind of manufacture method in order to manufacture above-mentioned injection valve, hereinafter can explain the method according to Figure 4 and 5.
Micro structure 11 in atretic body contact area 8 and territory, seat area 9 is configured to the cycle that laser causes
Property surface texture.In order to produce this micro structure 11, it is produced from the wavy shaped configuration of tissue by Materialbearbeitung mit Laserlicht.Atretic body
The ultrashort laser pulse of the illuminated linear polarization to be sent by LASER Light Source of contact area 8 and territory, seat area 9, especially
Femto-second laser pulse.The laser pulse of the linear polarization of this LASER Light Source atretic body 2 or at the surface defect of valve seat 3 dissipate
Penetrate so that form reflected impulse.Formed between the laser pulse and this reflected impulse of LASER Light Source and interfere, thus at atretic body
2 or produce the pattern being made up of the line being extending substantially parallel on the surface of valve seat 3.At the position of constructive interference, to closing
Lock body 2 or energy input in the surface of valve seat 3 improve so that form material and change, the local melting on such as surface.
The orientation of the orientation of the line of described pattern and the therefore structural detail 12 of produced micro structure 11 passes through laser
The direction of the plane of polarization of pulse adjusts.Spacing 101 between structural detail 12 can be come by selecting the wavelength of laser pulse
Adjusting, wherein, described spacing is typically in the range of 0.6 to 0.9 times of wavelength used.Such as use 780nm, 1030nm
Or the wavelength of 1510nm.In order to adjust the height 102 of structural detail 12, intensity that change is irradiated with laser pulse and/or duration.
In the diagram of Fig. 4, being exemplarily illustrated the processing of spherical atretic body 2, wherein, spherical atretic body 2 is adding the duration
Between maintain static, and make laser beam 15 move across the surface of atretic body 2.LASER Light Source produces linear polarization laser 13, should
Linear polarization laser is irradiated on λ/2 dish 14, and this λ/2 dish 14 is used as phase delay element.Adjusted by the orientation of λ/2 dish 14
The orientation of the plane of polarization of whole laser beam 15.In order to produce micro structure 11, laser beam 15 is made to move across the table of atretic body 2
Face, wherein, the plane of polarization of laser beam 15 is tracked.
Diagram in Fig. 5 illustrates a kind of alternate configuration of the manufacture method for injection valve 1, and wherein, spherical atretic body 2 exists
Rotate during processing.And laser beam 15 holding position is fixed.Atretic body 2 is maintained at the keeper 16 being configured as guide plate member
On.This keeper 16 rotates around rotation axis 103, and communicates rotational motion to atretic body 2.The rotation of this keeper 16 is driven
Dynamic device has the most powered two drive shafts 17,18, and the two drive shaft causes the rotation of keeper 16.Cause
This, spherical atretic body 2 rotates around rotation axis 103, here, atretic body contact area 8 is conducted through fixing Laser Processing
District 19.The generation of micro structure 11 is realized at this.
Figure 6 illustrates the schematic diagram in valve seat 3 region of the injection valve 1 according to the second embodiment.This injection valve 1 has
Spherical atretic body 2 and infundibulate valve seat 3.Atretic body 2 and valve seat 3 are made up of the steel especially hardening.In figure 6, close described in
Lock body be in be lifted open a state, under this opens a state, described medium is injected by the opening 10 of valve seat 3.In Fig. 7
Diagram the close stance state of injection valve 1 is shown, under this close stance state, atretic body 2 and valve seat 3 the most mutually recline, wherein,
The atretic body contact area 8 of atretic body 2 touches the territory, seat area 9 of valve seat 3.This atretic body contact area 8 has layers of balls
The shape in shell face, and the type structure in truncated cone shell face is pressed in territory, seat area 9.
In the injection valve 1 according to the second embodiment, territory, seat area 9 has increase atretic body contact area 8 and valve
The micro structure 11 of friction between seat contact area 9, and atretic body contact area 8 is configured without micro structure.Territory, seat area 9
Micro structure 11 there is multiple structural detail 12 being configured as circular protrusions, these structural details 12 are intensively arranged.These knots
Constitutive element part 12 has the cross section that system is flat so that structural detail 12 has the end face stretched out from valve seat 3, and described end face can be with locking
Body contact area 8 forms contact.By this geometry it is possible that under close stance state, the atretic body contact area of bending
Territory 8 abut on multiple structural detail 12 and thus realize by labyrinth sealing type multi-sealed.
These structural details 12 are arranged to separate spacing 101, and this spacing is in the range of 30 μm to 150 μm, preferably locates
In the range of 50 μm to 100 μm, particularly preferably it is in the range of 60 μm to 80 μm.Structural detail 12 from valve seat 3 along a side
To stretching out, the direction is orientated transverse to the direction of motion 100 ground of atretic body 2.
When manufacturing according to the injection valve 1 of the second embodiment, first produce in territory, seat area 9 and intensively arrange
Circular protrusions.These projections have cross section, and this cross section is with that bend or the projection of point.In the next step by described prominent
Play system flat, such as by partly going to expect by described projection with cutting working method.
In the injection valve 1 of gaseous state or liquid medium, atretic body 2 and valve seat 3 it is provided with above-mentioned.This atretic body 2 can be
Opening a motion between state and closed mode, open under a state described, atretic body 2 and valve seat 3 separate spacing, in described closedown
Under the state of position, the atretic body contact area 8 of atretic body 2 abuts on the territory, seat area 9 of valve seat 3 hermetically, wherein, in locking
Arranged in body contact area 8 and/or in territory, seat area 9 increase atretic body contact area 8 and territory, seat area 9 it
Between the micro structure 11 of effect of friction.Thus improve the service life of injection valve 1.
Claims (10)
1., for gaseous state or the injection valve of liquid medium, this injection valve has atretic body (2) and valve seat (3), wherein, described locking
Body (2) can move between a state and close stance state opening, and opens under a state described, described atretic body (2) and described valve seat
(3) separating spacing, under described close stance state, the atretic body contact area (8) of described atretic body (2) abuts in described hermetically
On the territory, seat area (9) of valve seat (3), it is characterised in that described atretic body contact area (8) and/or the contact of described valve seat
Region (9) has the micro structure (11) of friction between this atretic body contact area (8) of increase and this territory, seat area (9).
Injection valve the most according to claim 1, it is characterised in that described micro structure (11) includes the structural detail of projection
(12)。
3. according to the injection valve one of the claims Suo Shu, it is characterised in that described micro structure (11) includes structural detail
(12), described structural detail is configured as that be orientated abreast, the most linear projection.
4. according to the injection valve one of the claims Suo Shu, it is characterised in that described micro structure (11) includes structural detail
(12), described configuration of structural elements is the periodic surface structure that laser causes.
5. according to the injection valve one of the claims Suo Shu, it is characterised in that described micro structure (11) has structural detail
(12), described structural detail stretches out along a direction from described atretic body (2) or described valve seat (3), described direction transverse to, especially
It is perpendicular to the direction of motion (100) of described atretic body (2).
6. according to the injection valve one of the claims Suo Shu, it is characterised in that described micro structure (11) has structural detail
(12), described configuration of structural elements is projection that is circular and that intensively arrange, and described projection has the cross section that system was put down.
7. according to the injection valve one of the claims Suo Shu, it is characterised in that described micro structure (11) includes structural detail
(12), described structural detail is arranged to be spaced from each other a spacing (101), described in be smaller than 150 μm, preferably smaller than 5 μm, especially
Preferably smaller than 1 μm.
8. according to the injection valve one of the claims Suo Shu, it is characterised in that described atretic body (2) is configured to spherical or cone
Shape, and described valve seat (3) is configured to infundibulate.
9. for manufacturing for gaseous state or injection valve (1) method of liquid medium, wherein, atretic body (2) and valve seat (3) so cloth
Put so that this atretic body (2) can move between a state and close stance state opening, and opens under a state described, described atretic body
(2) separating spacing with described valve seat (3), under described close stance state, the atretic body contact area (8) of described atretic body (2) is close
Feud abuts on the territory, seat area (9) of described valve seat (3), it is characterised in that described atretic body contact area (8)
And/or territory, described seat area (9) produces the micro structure (11) increasing friction.
Method the most according to claim 9, it is characterised in that by with laser machining described atretic body contact area (8)
And/or territory, described seat area (9) produces described micro structure (11).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015202824.0 | 2015-02-17 | ||
| DE102015202824 | 2015-02-17 | ||
| DE102015206467.0A DE102015206467A1 (en) | 2015-02-17 | 2015-04-10 | Injection valve for a gaseous or liquid medium and method for producing such an injection valve |
| DE102015206467.0 | 2015-04-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106121885A true CN106121885A (en) | 2016-11-16 |
| CN106121885B CN106121885B (en) | 2021-10-22 |
Family
ID=56552492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610427590.5A Active CN106121885B (en) | 2015-02-17 | 2016-02-16 | Injection valve for gaseous or liquid media and method for producing such an injection valve |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR102556566B1 (en) |
| CN (1) | CN106121885B (en) |
| DE (1) | DE102015206467A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6722469B2 (en) * | 2016-02-26 | 2020-07-15 | 株式会社ケーヒン | Valve device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1668842A (en) * | 2002-07-16 | 2005-09-14 | 罗伯特·博世有限公司 | Fuel-injection valve for internal combustion engines |
| CN1685146A (en) * | 2002-09-27 | 2005-10-19 | 罗伯特·博世有限公司 | Fuel injection valve for internal combustion engines |
| CN1755098A (en) * | 2004-09-29 | 2006-04-05 | 罗伯特·博世有限公司 | Fuelinjection nozzle |
| CN1771389A (en) * | 2003-05-19 | 2006-05-10 | 罗伯特·博世有限公司 | Fuel injection valve for combustion engines |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10260975A1 (en) | 2002-12-24 | 2004-07-08 | Robert Bosch Gmbh | Fuel injection valve for internal combustion engines |
-
2015
- 2015-04-10 DE DE102015206467.0A patent/DE102015206467A1/en not_active Ceased
-
2016
- 2016-02-16 KR KR1020160017692A patent/KR102556566B1/en active IP Right Grant
- 2016-02-16 CN CN201610427590.5A patent/CN106121885B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1668842A (en) * | 2002-07-16 | 2005-09-14 | 罗伯特·博世有限公司 | Fuel-injection valve for internal combustion engines |
| CN1685146A (en) * | 2002-09-27 | 2005-10-19 | 罗伯特·博世有限公司 | Fuel injection valve for internal combustion engines |
| CN1771389A (en) * | 2003-05-19 | 2006-05-10 | 罗伯特·博世有限公司 | Fuel injection valve for combustion engines |
| CN1755098A (en) * | 2004-09-29 | 2006-04-05 | 罗伯特·博世有限公司 | Fuelinjection nozzle |
Non-Patent Citations (2)
| Title |
|---|
| 郭学锋: "《材料成形原理》", 30 November 2013, 中国矿业大学出版社 * |
| 齐立涛: "《超短脉冲激光微细加工技术》", 30 November 2012, 哈尔滨工程大学出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102556566B1 (en) | 2023-07-18 |
| DE102015206467A1 (en) | 2016-08-18 |
| CN106121885B (en) | 2021-10-22 |
| KR20160101680A (en) | 2016-08-25 |
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