CN106714935A - Filter element with filter bellows - Google Patents
Filter element with filter bellows Download PDFInfo
- Publication number
- CN106714935A CN106714935A CN201580051916.2A CN201580051916A CN106714935A CN 106714935 A CN106714935 A CN 106714935A CN 201580051916 A CN201580051916 A CN 201580051916A CN 106714935 A CN106714935 A CN 106714935A
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- Prior art keywords
- filter
- filter element
- filter medium
- fold
- layer
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- 238000001914 filtration Methods 0.000 claims abstract description 72
- 238000004519 manufacturing process Methods 0.000 claims abstract description 38
- 239000012530 fluid Substances 0.000 claims abstract description 30
- 238000002485 combustion reaction Methods 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims description 30
- 239000011248 coating agent Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 16
- 238000000746 purification Methods 0.000 claims description 11
- 239000004831 Hot glue Substances 0.000 claims description 8
- 238000005325 percolation Methods 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims 1
- 229920000126 latex Polymers 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000011324 bead Substances 0.000 abstract 3
- 238000009434 installation Methods 0.000 abstract 1
- 239000002609 medium Substances 0.000 description 95
- 230000002349 favourable effect Effects 0.000 description 12
- 239000003292 glue Substances 0.000 description 10
- 239000000835 fiber Substances 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 230000037303 wrinkles Effects 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
- B01D46/523—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material with means for maintaining spacing between the pleats or folds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/12—Pleated filters
- B01D2201/127—Pleated filters with means for keeping the spacing between the pleats
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The invention relates to a filter element (10) for filtering a fluid, comprising a filter bellows (12) composed of a filter medium (14) which is folded in a star shape along fold edges (26) in order to form folds (34) that each extend between opposite front edges (22a, 22b) of the filter bellows (12), and said filter medium (14) is provided to allow the fluid to pass through from an unclean side (50) of the filter element to a clean side (52). The filter medium (14) comprises one or more beads (40) on at least one its flow surfaces, said beads extending transversely to the folding edges (26) of the filter medium (14) and which provoke a flow of at least one part of the fluid perpendicular to the folding edges (26) of the filter bellows (12) in the proper operational state of the filter bellows (12). Said beads (40) comprise at least one first layer (42) and a superimposed second layer (44). The invention further relates to the use of the filter element (10) as a round filter element, in particular as a round filter element of an internal combustion engine, and also to a method for producing a filter element (10) and an installation for producing a filter element (10).
Description
Technical field
The present invention relates to a kind of filter element for filtering fluid, with the mistake folded by zigzag, especially star
The filtering ripple bag that filter medium is constituted（Filterbalg）, the filter element is especially as in internal combustion engine, particularly motor vehicle
The annular filter of combustion engine, and a kind of method and apparatus for manufacturing this filter element.
Background technology
End fold is two folds of outside on the opposed end face of the filtering ripple bag of filter element.End margin is
Two free edges of the filter medium of filtering ripple bag are formed, end margin extends along end fold and end margin is limited in
Filter the end of ripple bag.The end rib for filtering ripple bag is two other free edges for filtering ripple bag, the two its
Its free edge extends between end margin and is extended according to the folding of filtering ripple bag.Fold rib is such rib, edge
The rib pleated filter media.In the zig-zag folding as known to market, such as square filtering ripple bag, end margin and pleat
Rib wrinkle generally straightly and extends parallel to each other.End rib from observation filtering ripple bag side from zigzag ground and
Extend perpendicular to end margin and fold rib.Before pleated filter media, had conceptive for example square parcel later
The end rib for filtering ripple bag as the crow flies and is extended parallel to each other.The parcel of the imagination is by holding rib, in filtering ripple bag
The adjacent fold rib of purification fluid side in other words end margin with the adjacent fold rib of non-purified fluid side end margin in other words
Strut.
Filter medium is not closed in the filtering ripple bag of flat filter element, i.e. end fold as rib is held each other not
Connection.Different from this, in the filtering ripple bag of annular filter element filter medium closure, i.e. the end fold of filter medium that
This connection.The filtering ripple bag of flat filter element is herein plane but can also in different directions have bending section.
In the filtration system that the rate of discharge of the repetition or the circulation that occur treating the fluid filtered by filter is fluctuated, by
The filter failure caused in strain can be a problem.In the case that this occurs especially in the system changed with big flow,
Up to flowing full amount and zero is returned to from zero, for example it is particularly the case in the filtration system for piston pump, these pistons
Pump is used in energy device.Flow circuit causes the corresponding circulation of pressure differential in the filter, the corresponding circulation
Typically cause the flexure of the vibration in the medium of the folding of filter（Durchbiegung）.When the medium for folding is by filtering
Layer and drainage layer is carried when combining, drainage layer is carried in the case of the bending of the medium for folding can be on filter layer back and forth
Friction.Because carrying, drainage layer is typically more coarse than filter layer, the friction can cause weak spot, and the weak spot can tear in operation
Open.The type of this shortcoming is used as known to strain shortcoming.
A kind of filtration system as known to the A2 of EP 0470485, it has the filter element folded with the fold of Longitudinal extending,
The fold have projection, the filtration system also have parcel, the parcel be spirally wound around filter element and
Abut in the high spot of fold and with the opening of the dirt capacity for increasing filter element, wherein, the gross area of opening
The approximately less than half of total surface area, the raised restriction that total surface area passes through fold.Additionally, filter element has what is folded to be combined
Material, it has the braiding layer and filter layer of the first and second polymerizations through extruding, and filter layer is arranged between them.
The content of the invention
Therefore task of the invention is to provide a kind of filter element for filtering fluid, the filter element with manufacture with
Favourable mode provides the stable possibility and drainage possibility in filter medium in price（Drainagemö
glichkeit）.
Another task is to provide a kind of method and equipment for manufacturing filter element, and the method is manufacturing and price
Upper favourable mode provides stable possibility and drainage possibility in filter medium.
Above-mentioned task is solved according to one aspect of the present invention by a kind of filter element with filter medium
Certainly, the filter medium has the projection of one or more multilayer, and the raised fold rib transverse to filter medium extends simultaneously
And it is described it is raised filtering ripple bag according to the rules in the state of cause the fluid stream of fold rib perpendicular to filtering ripple bag
It is dynamic.
The favourable design of the present invention and advantage are drawn by other claims, specification and drawings.
A kind of filter element for filtering fluid is proposed, it includes the filtering ripple bag being made up of filter medium, the mistake
Filter medium along fold rib with it is zigzag, especially star-shaped mode be folded into fold, the fold respectively filtering ripple bag
Opposed end rib between extend, and the filter medium be arranged for making fluid from the non-purified side of filter element flow to
Purification side, wherein, filter medium has one or more raised on the percolation surface of at least one of its percolation surface,
The raised fold rib transverse to filter medium extends and the raised operation shape according to regulation in filtering ripple bag
Cause at least a portion of fluid under state perpendicular to the flowing of the fold rib of filtering ripple bag, wherein, it is raised correspondingly to include extremely
Few a ground floor and at least one second layer disposed thereon.
Advantageously ground floor is used as attached dose of increasing and the second layer is used as the structure sheaf of itself, and the structure sheaf of itself is played
The function of the distance piece between fold.The attachment of projection and raised work(can irrelevantly be optimized each other by this way
Energy.Projection is preferably attached on filter medium, so as to prevent raised release undesirable from filter medium or at least may be used
Significantly to reduce this undesirable release.
Preferably projection is by glue（Leim）, PUR or plastics, especially thermoplastic be made.
In addition the traditional embodiment of filter element is different from, in order to stablize purpose and drainage purpose in the filter element
Generally grid is laminated on purification side（auflaminiert）On filter medium, grid is substituted in impressing（Prägen）Filtering
Glue water tape or plastic tape are coated before or after medium as bumps.Can be longitudinally to the machine direction of filter medium
Coat that these are raised with speed very high, these projections before the fold of filter medium builds completely or at least largely
Harden and ensure drainage and ensure filter medium static stabilization.Grid and lamination process can so be saved.It is convex
It especially can be adhesive tape or plastic tape to rise.Adhesive tape or plastic tape can the coatings during ripple is packed and made.According to the present invention
Solution show that obvious time is saved and expense is saved relative to traditional lamination process.
The fold that ripple bag is filtered in the coating of adhesive tape of the invention or plastic tape not only can be with rounding
Fold rib and can be implemented with the fold rib of point.
Raised drainage is at least a portion for the fluid that will have been filtered along projection from the pleat for filtering ripple bag
Wrinkle is exported in the interior zone of filter element, so that fluid will not be blocked in fold and therefore not limit flowing through for fluid.
So can also dirt particles deposition distribution on the surface of filter medium.
It is advantageously raised at least to cause filtering ripple bag in running status under the folded state of filter medium
Fold opposed fold faceted pebble interval.Here, projection is not flowed through and/or newly according to raised height in filter element
There can be certain interval under state completely.But if filtering ripple bag is aging during filter element runs and wrinkles
Contracting is softened by liquid, then projection can prevent from filtering the opposed fold faceted pebble contact or very of the fold of ripple bag
To bond because opposed projection appear on identical height, encounter one another and so ensure fold faceted pebble spacing.
Two-layer ground builds opposed projection respectively, so that therefore opposed projection is formed by least four layer buildings.It is opposed
The raised corresponding second layer can only against each other.But two second layers can also stick to each other, and mode is：Two
Pleated filter media in the state of individual layer is also unhardened.
Sufficient drainage effect and the enough stability of filter medium and opposed fold are realized in order to pass through projection
The interval of faceted pebble, desirably, is provided with the interval of the order of magnitude such as 5-7mm between the projection for extending in parallel.But the numerical value
Depending on the rigidity and fluid to be filtered of filter medium, and projection material.Raised height is from such as 0.1mm to 3mm
It is favourable.The numerical value also depends on the rim condition of filter medium, fluid and material.
Being applied to negative pressure on filter element, especially being produced in air inlet unit in internal combustion engine operation may be in stream
Dynamic region causes, and fold gap partly or is even withered on the whole width of filter element, i.e. opposed on purification side
Filter medium section start directly contact.Yet with material it is uneven, especially also can at the uneven aspect that is impregnated with
There is stress and deformation, stress and deformation cause withering for non-purified side.The region so withered no longer is flowed through, and thus filters
Filtering effect of element is restricted.Such the withering for filtering the region of ripple bag can be by by projection of the invention
It is coated on filter medium to prevent, on the one hand causes the interval of fold faceted pebble because raised, and on the other hand showed
The rigidity of filter medium.
Advantageously ground floor has a smaller thickness compared to the second layer.Ground floor can independently of second or each
Other layers are optimized as increasing at it in attached dose of characteristic.So ground floor can under stress be coated using flat burner
Onto filter medium, or in another manner, which can be realized particularly preferred attached on filter medium for ground floor
.The second layer that ground floor can for example be partially projecting into filter medium and so coat thereon can be consolidated securely
It is fixed.
Ground floor is preferably compressed after coating, is used to ensure that ground floor is extend into filter medium.
There can be wide and about 1 ratio high of layer according to another favourable design second layer, i.e. the second layer
Width be equal to or the approximate layer for being approximately equal to coating height.
Had compared to smaller sticky of the second layer to form ground floor coating one according to another favourable design
Material.This permission especially extend into filter medium to the material part of ground floor in fiber or perforate filter medium
Surface in and allow especially ground floor to be closely connected with filter medium, this can realize second and the other layers of possibility
It is particularly reliable and continue firm attachment on filter medium.
One can be coated with second layer identical material in order to form ground floor according to another favourable design.Alternative
The material of ground ground floor can be differently configured from second and possible other layers material.Advantageously ground floor can be glue and/or
Plastics and/or PUR and/or the preproduction phase for the second layer material.
According to another favourable design, at least partially ground floor can be interrupted along its longitudinal extension part and
The second layer disposed thereon can continuously be constructed along its longitudinal extension part.Ground floor is not necessarily continuous, but also may be used
To interrupt or have hole on its surface.Ground floor can also be soft or plasticity.The second layer can by this way
To be attached on ground floor particularly well.Alternatively or additionally, at least partially ground floor can prolong along its longitudinal direction
Extending portion is continuously constructed and the second layer disposed thereon can be interrupted along its longitudinal extension part.Those skilled in the art will
According to the suitable combination of product selection expected.
Can be arranged on the purification side according to regulation of filter medium according to another favourable design projection.With this
Kind of mode can be by projecting through the fluid for having filtered derivation drainage is shown.Additionally, in identical static stabilization
In the case of prevent, in the appearance of filter medium in the case of disposing projection on non-purified side by the contoured of filter medium
There is uneven scale precipitation on face.
Projection can be formed by coating hot-melt adhesive according to another favourable design.Additionally, work as projecting through coating
PUR is favourable when being formed.Such process can advantageously be incorporated into common manufacture stream in manufacture filtering ripple bag
Cheng Zhong, filter medium generally runs on the track long by imprinting unit in the manufacturing process.Glue can be additionally set
Platform for coating, the glue platform for coating with same speed coating hot-melt adhesive, such that it is able to for manufacturing required realization of High Speed in batch
Common manufacturing process.
Filter element can be formed by filter medium in one embodiment of the invention, and the filter medium is by fiber
Element, staple fibre, meldable fibre, superfine fibre or nanofibers, weaving or braided fiber, by felt or these materials
Combination and be made.
The sky of the filter medium folded with star is can be structured as according to another favourable design filtering ripple bag
The ring-type element of heart cylinder.By the filter medium of zig-zag folding can be configured to initially flat filtering ripple bag by this
Star-shaped hollow cylinder, the hollow cylinder is closed along end rib, for example bonded.So, fluid to be filtered can pass through
The interior zone of filter medium and the annular filter for passing through hollow cylinder is flowed through along sky in the outer surface of hollow cylinder
The axis outflow of heart cylinder.
According to a further aspect the present invention relates to a kind of filter element as the annular filter for filtering fluid, especially
As the application of the annular filter of internal combustion engine.Such annular filter is preferably used as air filtration in automotive field
Device, oil strainer or fuel filter etc. and being used as in internal combustion engine has regular changes the replaceable of interval
Filter element.Filter element of the invention allows the continual and steady operation of filter element in filtration system.
According to yet another aspect the present invention relates to a kind of method for manufacturing filter element of the invention, the method bag
Include the manufacturing step of following filtering ripple bag：From on reel launch filter medium, in commodity freight house stored filter medium,
It is built into filter medium, compression projection, by fold rib for coating projection before or after the impressing for constructing fold rib
The filtering ripple bag that zigzag, especially star fold.Such process can advantageously be integrated in manufacture filtering ripple bag
To in common manufacturing process, filter medium generally runs on the track long by imprinting unit in the manufacturing process.This
Sample can set additional glue platform for coating, the glue platform for coating with same speed coating hot-melt adhesive so that the common system of without prejudice to
Make process.
Herein, it is possible to use first jet is coated raised ground floor and coated after ground floor using second nozzle
The raised second layer.This can be realized with not expending in design.
The method for being advantageously employed for manufacturing filter element can include other manufacturing steps of filtering ripple bag as in advance
Heat（Aufheizen）Filter medium is impressed into filter medium as the preparation for imprinting, by fold rib.Fold rib is arrived
Impressing in filter medium can be by the prior preheating of filter medium advantageously configuration, because so enduringly obtaining imprinting
Fold rib.
The coating of the layer of projection can be advantageously carried out before fold rib is imprinted.
The coating of projection can also be carried out after fold rib is imprinted as an alternative.
Projection can be advantageously pressed on filter medium after being coated on filter medium, good that can realize
And lasting attachment.This for example can advantageously be produced using rolling depression method.
According to other aspects the present invention relates to a kind of equipment for manufacturing filter element, the equipment includes at least as follows
Unit for manufacturing filtering ripple bag：It is unwinder, commodity freight house, multiple, at least two continuous for projection to be applied as
The polymer-coated platform of layer, in advance heating, impressing unit and fold build unit.When as projection using Hot melt adhesive tape,
Substituting polymer-coated platform can also set PUR platform for coating.
Hold-down roll can be selectively set, can be tight by one or more raised lamination using the hold-down roll
Onto filter medium.Can only compress ground floor, or the only each layer in the second layer or layer.When ground floor is sufficiently thin simultaneously
And can also save hold-down roll when can directly extend into filter medium.
Brief description of the drawings
Other advantages are obtained by following Description of Drawings.Embodiments of the invention are shown in the drawings.Accompanying drawing, specification
Include substantial amounts of feature in combination with claims.These features can also be suitable for a person skilled in the art
Ground individually considers and is summarized as significant other combinations.Wherein for example：
Fig. 1 is shown according to the equiaxial figure of the filter element of embodiments of the invention；
Fig. 2 shows the partial cross sectional according to the filter element of embodiments of the invention；
Fig. 3 shows the top view according to the filter medium of embodiments of the invention；
Fig. 4 is schematically shown with two sectional views of the filter medium of the two of projection ground floors for extending in parallel；
Fig. 5 is schematically shown with two two sectional views of the raised filter medium for extending in parallel of layer；
Fig. 6 schematically shows the raised to the coating on filter medium of multilayer；And
Fig. 7 shows the schematic diagram for manufacturing the equipment according to the filter element of the embodiment of the present invention.
Specific embodiment
Identical in the accompanying drawings or similar part is presented with like reference characters.Accompanying drawing illustrate only example and
Understand with cannot being confined.
Fig. 1 shows the equiaxial figure according to the filter element 10 of the embodiment of the present invention.Filter element for filtering fluid
10 include the filtering ripple bag 12 being made up of filter medium 14, and the filter medium is folded into fold with star along fold rib 26
34, these folds extend between opposed end rib 22a, 22b of filtering ripple bag 12 respectively.Filter medium 14 is arranged for
Make fluid from the non-purified side 50 of filter element flow to purification side 52, exactly along percolation direction 54 from outer surface flow to
The interior zone of filter element 10.Filter medium 14 has multiple raised 40 in purification side 52 on multiple surfaces that it is flowed
（Shown in Fig. 2 to 6）, multiple raised fold ribs 26 transverse to filter medium 14 extend and multiple projections are in filtering ripple
Cause at least a portion of fluid under the running status according to regulation of bag 12 perpendicular to the fold rib 26 of filtering ripple bag 12
Flowing.Filter element 10 is configured to the annular filter of the hollow cylinder of the filter medium 14 folded with star in Fig. 1
Element.Such annular filter element is preferably used as air cleaner, oil strainer or fuel filter in automotive field
Device etc. and being used as in internal combustion engine has the regular replaceable filter element 10 for changing interval.The filtering ripple bag 12
Closed using end disc 16,18 two sides, end disc includes the intervalve 38 in center, by the intervalve in center,
Filtered fluid also can streamwise 54 flow out.
Figure 2 illustrates the partial sectional of filter element 10 according to embodiments of the invention, as shown in FIG. 1
Face.Cross section shows multiple folds 34 of filtering ripple bag 12, multiple folds circular folding at fold rib 26.To be filtered
In the interior zone with purification side 52 that fluid flows to filter element 10 from the non-purified side 50 beyond annular filter 10.Cross
Filtering line bag 12 is internally reinforced in region using intervalve 38, and the intervalve can be seen with partial cut.The filter medium
14 have raised the 40 of multilayer on purification side 52.In addition to the discharge for deriving filtered fluid is acted on, these are raised
40 folds 34 at least causing filtering ripple bag 12 in running status also in the state of the folding of filter medium 14 it is opposed
Fold faceted pebble 20a, 20b interval.Raised 40 can be especially arranged in fold faceted pebble 20a, 20b upper and in the curved of fold 34
Bent region is interrupted or more unfertile land is constructed there.
Fig. 3 shows the top view according to the filter medium 14 of embodiments of the invention.Flat filter medium 14 has
The fold rib 26 of regular intervals, these fold ribs can be constructed out by the impressing of filter medium 14.Raised 40 transverse to pleat
Wrinkle rib extends.For example raised 40 can be formed by coating at least two-layer PUR.
Fig. 4 to 6 shows such raised 40 be made up of at least two layer 42,44.Here, ground floor 42 compares second
Layer 44 has a smaller thickness.For example in order to form ground floor 42 with compared to sticky material smaller for the second layer 44
Material is coated on filter medium 14.Filter medium may, for example, be felt etc..The material of ground floor 42 can be stretched into partly
Form in the surface of filter medium 14 and there the good fixed part for next layer.Ground floor 42 have it is wide with it is tall and big
About 1 ratio.
Ground floor 42 is coated on filter medium 14 by nozzle 116 in the process steps of manufacture filter element, the mistake
Filter medium is guided with speed faster by nozzle 116, as shown in FIG. 6.The filter medium 14 in figure in the direction of the arrow
Removed below nozzle 116 to the right.Another nozzle 118 is arranged with nozzle 116 with staggering, applied the second layer 44 using another nozzle
It is layed onto on ground floor 42.Raised 40 for example can be formed by PUR.
In the figure 7 it can be seen that the signal of the equipment 100 for manufacturing filter element 10 according to embodiments of the invention
Figure.Method for manufacturing filter element of the invention 10 includes the manufacturing step of following filtering ripple bag 12：From volume
On cylinder launch filter medium 14, in commodity freight house 104 stored filter medium 14, before for the impressing for constructing fold rib 34
Or afterwards raised the 40 of coated with multiple layer to compressing raised 40 on filter medium 14, before or after coat the second layer, will
Fold rib 34 is built into the filtering ripple bag 12 of star folding.Such process can be advantageously incorporated into manufacture filtering ripple
In common manufacturing process when wrapping 12, filter medium 14 is generally in the length by imprinting unit 110 in the manufacturing process
Run on track.Additional glue platform for coating 106 can be so set, the glue platform for coating with same speed coating hot-melt adhesive, from
And the normal manufacturing process of without prejudice to.It is also possible that being advantageously provided discontinuities, mode is in raised the 40 of coating：Accordingly
Ground manipulates glue platform for coating 106 and is provided with valve.
Can be in the applying of setting before or after moulding process raised 40（Aufbringen）.If before the imprint
Apply raised 40, then tapered portion can be set in the intersection with fold rib 26 in moulding process, be used to be conducive to pleat
The structure of wrinkle rib 26, the fold 34 for especially coming to a point.As an alternative raised 40 however can also be in the after-applied of moulding process.
This, can realize becoming by the discontinuities in raised 40, for example by the applying of the Hot melt adhesive tape interrupted at fold rib 26
Thin portion.Raised 40 can advantageously be pressed on filter medium 14 after being coated on filter medium 14, be used to realize well
With lasting attachment.This for example can advantageously be produced using rolling depression method.
The method for being advantageously employed for manufacturing filter element 10 can include the other manufacturing step of filtering ripple bag 12
Filter medium is such as preheated to be impressed into filter medium 14 as the preparation for imprinting, by fold rib 26.By fold rib 26
Being impressed into filter medium 14 can be by the prior preheating advantageously configuration of filter medium 14, because so enduringly obtaining
The fold rib 26 for having imprinted.
The equipment 100 for being used to manufacture filter element 10 in the figure 7 includes the following unit for being used to manufacture filtering ripple bag 12：
Unwinder 102, commodity freight house 104, the polymer-coated platform 106 for applying raised 42 ground floor, optionally with compression
Hold-down roller 107 on raised 40 ground floor to filter medium 14, the polymer-coated platform for applying raised 42 second layer
106th, for compress the unshowned another optional hold-down roller 107 on raised 40 second layer to filter medium 14, in advance plus
Heat 108, impressing unit 110 and fold build unit 112.When Hot melt adhesive tape should be used as raised 40, polymerization is substituted
Thing platform for coating 106 can also set PUR platform for coating.
Claims (17)
1. it is used to filter the filter element of fluid（10）, it includes
- by filter medium（14）The filtering ripple bag of composition（12）, the filter medium is along fold rib（26）Zigzag, especially
It is to be folded into fold with star（34）, the fold is respectively in filtering ripple bag（12）Opposed end rib（22a、22b）Between
Extend, and the filter medium（14）It is arranged for making non-purified side of the fluid from filter element（50）Percolation extremely purification side
（52）,
Wherein, filter medium（14）At least one of percolation surface at it has one or more raised on percolation surface
（40）, the projection is transverse to filter medium（14）Fold rib（26）Extend and described raised in filtering ripple bag（12）'s
Cause at least a portion of fluid under running status according to regulation perpendicular to filtering ripple bag（12）Fold rib（26）Stream
It is dynamic, wherein, the projection（40）Correspondingly include at least one ground floor（42）With the second layer disposed thereon（44）.
2. according to the filter element described in claim 1, wherein, ground floor（42）Compared to the second layer（44）With a smaller thickness
Degree.
3. according to the filter element described in claim 1 or 2, wherein, the second layer（42）Wide and about 1 ratio high with layer
Example.
4. according to filter element in any one of the preceding claims wherein, wherein, in order to form ground floor（42）Coating one has
Have compared to the second layer（44）Smaller sticky material.
5. according to filter element in any one of the preceding claims wherein, wherein, in order to form ground floor（42）Coating one with
The second layer（44）Identical material.
6. according to filter element in any one of the preceding claims wherein, wherein, at least partially, ground floor（42）It is vertical along it
Interrupted to extension and the second layer disposed thereon（44）Continuously constructed along its longitudinal extension part.
7. according to filter element in any one of the preceding claims wherein, wherein, at least partially, ground floor（42）It is vertical along it
Continuously constructed to extension and the second layer disposed thereon（44）Interrupted along its longitudinal extension part.
8. according to filter element in any one of the preceding claims wherein, wherein, the projection（40）It is arranged in filter medium
（14）According to regulation purification side on.
9. according to filter element in any one of the preceding claims wherein, wherein, the projection（40）By coating hot-melt adhesive
Or polymer latex is formed.
10. according to filter element in any one of the preceding claims wherein, wherein, the filtering ripple bag（12）It is configured to tool
There is the filter medium that star folds（14）Hollow cylinder ring-type element.
11. according to the described filter element of any one of preceding claims（10）As the annular filter for filtering fluid
Element, especially as internal combustion engine annular filter element application.
12. are used to manufacture according to the filter element any one of claim 1 to 10（10）Method, it includes following
Filtering ripple bag（12）Manufacturing step：
- launch filter medium from reel（14）,
- in commodity freight house（104）Middle stored filter medium（14）,
- for constructing fold rib（26）Impressing before or after coat it is raised（40）To filter medium（14）On, mode
For：By ground floor（42）It is coated to filter medium（14）Coat above and thereon the second layer（44）,
- by fold rib（26）It is built into the filtering ripple bag of zig-zag folding（12）.
13. according to described in claim 12 for manufacturing filter element（10）Method, it also includes：
- in the coating second layer（44）Before or after compress it is raised（40）.
14. according to the method described in claim 12 or 13, and it includes following filtering ripple bag（12）Manufacturing step：
- heating and filtering medium（14）As the preparation for imprinting,
- by fold rib（26）It is impressed into filter medium（14）In.
15. according to the method any one of claim 12 to 14, wherein, it is raised（40）Be coated in impressing fold rib
（26）Carry out before.
16. according to the method any one of claim 12 to 14, wherein, it is raised（40）Be coated in impressing fold rib
（26）Carry out afterwards.
17. are used to manufacture according to the filter element any one of claim 1 to 10（10）Equipment, it includes at least one
It is individual following for manufacturing filtering ripple bag（12）Unit
- unwinder（102）,
- commodity freight house（104）,
- polymer-coated（106）,
- heating in advance（108）,
- impressing unit（110）,
- fold builds unit（112）.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014014008.3A DE102014014008A1 (en) | 2014-09-25 | 2014-09-25 | Filter element with filter bellows |
| DE102014014008.3 | 2014-09-25 | ||
| PCT/EP2015/071594 WO2016046127A1 (en) | 2014-09-25 | 2015-09-21 | Filter element with filter bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106714935A true CN106714935A (en) | 2017-05-24 |
Family
ID=54199189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580051916.2A Pending CN106714935A (en) | 2014-09-25 | 2015-09-21 | Filter element with filter bellows |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN106714935A (en) |
| DE (2) | DE102014014008A1 (en) |
| WO (1) | WO2016046127A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603357A (en) * | 2019-01-25 | 2019-04-12 | 山西新华化工有限责任公司 | The special-shaped clean unit production method of canister |
| CN110448973A (en) * | 2019-08-07 | 2019-11-15 | 九江七所精密机电科技有限公司 | A kind of taper cartridge type air filtering core and its manufacture craft |
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| EP0470485A2 (en) * | 1990-07-30 | 1992-02-12 | Pall Corporation | A filter |
| US20060005518A1 (en) * | 2004-07-09 | 2006-01-12 | Duffy Dean R | Method of forming self-supporting pleated filter media |
| JP2007098233A (en) * | 2005-09-30 | 2007-04-19 | Nippon Muki Co Ltd | Filter medium for zigzag air filter and air filter |
| JP4139121B2 (en) * | 2002-03-28 | 2008-08-27 | 日本無機株式会社 | Manufacturing method of filter medium for zigzag air filter |
| JP4733340B2 (en) * | 2003-04-24 | 2011-07-27 | 日本エアー・フィルター株式会社 | Foldable air filter and method for manufacturing the same |
| CN103796726A (en) * | 2011-09-19 | 2014-05-14 | 曼·胡默尔有限公司 | Filter element, device for folding a filter medium web and process for producing a zigzag-folded filter element |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1277588A (en) * | 1968-12-13 | 1972-06-14 | Marshall D A G | Improvements in or relating to the manufacture of pleated filtering material |
| DE2034670B2 (en) * | 1970-07-13 | 1976-05-26 | Purolator Filter GmbH, 7110 Öhringen | Filter, esp. for internal combustion engines - having zig-zag folded paper filter element |
| DE4038966A1 (en) * | 1990-12-06 | 1992-06-11 | Hengst Walter Gmbh & Co Kg | Filter element - comprises folded filter medium incorporating thermoplastic spacers |
| DE4345122A1 (en) * | 1993-12-30 | 1995-07-06 | Detroit Holding Ltd | Process for manufacturing a filter insert |
| DE04755958T1 (en) * | 2004-06-24 | 2008-06-05 | Camfil Farr, Inc., Jonesboro | FOLDED AIR FILTER WITH REVERSED IMPULSE AIR CLEANING |
-
2014
- 2014-09-25 DE DE102014014008.3A patent/DE102014014008A1/en not_active Withdrawn
-
2015
- 2015-09-21 WO PCT/EP2015/071594 patent/WO2016046127A1/en active Application Filing
- 2015-09-21 CN CN201580051916.2A patent/CN106714935A/en active Pending
- 2015-09-21 DE DE112015004381.0T patent/DE112015004381A5/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0470485A2 (en) * | 1990-07-30 | 1992-02-12 | Pall Corporation | A filter |
| JP4139121B2 (en) * | 2002-03-28 | 2008-08-27 | 日本無機株式会社 | Manufacturing method of filter medium for zigzag air filter |
| JP4733340B2 (en) * | 2003-04-24 | 2011-07-27 | 日本エアー・フィルター株式会社 | Foldable air filter and method for manufacturing the same |
| US20060005518A1 (en) * | 2004-07-09 | 2006-01-12 | Duffy Dean R | Method of forming self-supporting pleated filter media |
| WO2006016944A1 (en) * | 2004-07-09 | 2006-02-16 | 3M Innovative Properties Company | Method of forming self-supporting pleated filter media |
| JP2007098233A (en) * | 2005-09-30 | 2007-04-19 | Nippon Muki Co Ltd | Filter medium for zigzag air filter and air filter |
| CN103796726A (en) * | 2011-09-19 | 2014-05-14 | 曼·胡默尔有限公司 | Filter element, device for folding a filter medium web and process for producing a zigzag-folded filter element |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603357A (en) * | 2019-01-25 | 2019-04-12 | 山西新华化工有限责任公司 | The special-shaped clean unit production method of canister |
| CN110448973A (en) * | 2019-08-07 | 2019-11-15 | 九江七所精密机电科技有限公司 | A kind of taper cartridge type air filtering core and its manufacture craft |
| CN110448973B (en) * | 2019-08-07 | 2021-09-17 | 九江七所精密机电科技有限公司 | Conical cylinder type air filter element and manufacturing process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016046127A1 (en) | 2016-03-31 |
| DE102014014008A1 (en) | 2016-03-31 |
| DE112015004381A5 (en) | 2017-06-08 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170524 |