WO2015040179A1 - Innenraumfilter und filteranordnung - Google Patents
Innenraumfilter und filteranordnung Download PDFInfo
- Publication number
- WO2015040179A1 WO2015040179A1 PCT/EP2014/070033 EP2014070033W WO2015040179A1 WO 2015040179 A1 WO2015040179 A1 WO 2015040179A1 EP 2014070033 W EP2014070033 W EP 2014070033W WO 2015040179 A1 WO2015040179 A1 WO 2015040179A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- air treatment
- treatment device
- air
- cabin
- Prior art date
Links
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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- 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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0038—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions with means for influencing the odor, e.g. deodorizing substances
-
- 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
Definitions
- the present invention relates to a filter element, in particular a cabin filter for filtering air for the interior of a vehicle or building. Furthermore, the invention relates to a filter assembly with such a filter element and a filter holder.
- filter materials For filtering air for the interior of a motor vehicle, folded or pleated filter materials, such as filter fleeces forming a fold pack, are often used.
- an initially flat filter material sheet is folded in a zigzag shape.
- the fold pack is held by side straps and headbands or other frame.
- Such filter elements can be fixed exchangeably in a filter holder.
- the filter assembly thus formed may be installed in an air conditioning system of a corresponding motor vehicle.
- air conditioning systems in particular in vehicles with so-called air fresheners.
- air fresheners - here also referred to as air treatment devices - comprise a volatile air treatment agent, such as a perfume, which is discharged in particular continuously into the air. As a result, a pleasant indoor air for the passengers can be generated.
- a volatile air treatment agent such as a perfume
- EP 1 768 864 B1 describes a cabin filter in which an air treatment device is disposed between folds of the filter medium, which discharges a volatile air treatment agent into the air.
- the present invention has the object to provide an improved filter element.
- This object is achieved by a filter element with a folded filter medium and an air treatment device, which is adapted to release a volatile air treatment agent in the air.
- the air treatment device is arranged on at least one pleat tip of the folded filter medium and connected to this materially.
- the available throughflowable filter surface of the filter element is not or only slightly reduced in comparison to known filter elements in which the air treatment device is arranged between folds of the filter medium.
- the air treatment device rests directly on the at least one fold tip or is connected directly to it.
- the air treatment agent may be, for example, a perfume, an antibacterial substance and / or a substance for neutralizing odors
- the air treatment agent may in particular be selected from aromatic or aliphatic esters, aromatic or aliphatic alcohols, aromatic or aliphatic ketones or aldehydes and / or aliphatic or aromatic ethers Essences from fruit parts, plant parts, derived essential oils, or synthetic fragrances
- the synthetic fragrances may be identical to the natural fragrances, such as vanillin, menthol, eucalyptol, or they may be artificial products.
- fragrances can be derivatives of hydrocarbons, heterocycles, alcohols, aldehydes, ketones, acetals, esters, phenols, phenol ethers or thiols. It may be individual compounds, but often mixtures of several substances are necessary.
- essential oils are aniseed oil, bitter almond oil, fennel oil, citrus oil, jasmine oil, rose oil, chamomile oil, clove oil, mint oil, cinnamon leaf oil, orange blossom oil, bergamot oil, eucalyptus oil, spruce algae oil, guaiac wood oil, ginger oil, iris oil, cajeput oil, cardamom oil, coriander oil, lavender oil, lime oil , Tangerine oil or lemon balm oil; synthetic perfume compounds are, for example, esters such as benzyl acetate, phenoxyethyl isobutyrate, p-tert-butylcyclohexyl acetate, lactyl acetate, dimethylbenzylcarbinyl acetate, phenylethyl acetate, linalyl benzoate, benzylformate, ethylmethylphenylglycinate, allylcyclohexylpropionate, styrallyl
- the air treatment agent is volatile.
- the molecular weight is preferably between 100 g / mol to 300 g / mol.
- the air treatment device is arranged on a plurality of pleat tips and integrally connected thereto.
- the air treatment device is arranged on the plurality of pleat tips at the same time and connected to them at the same time cohesively. This results in a particularly secure and stable attachment of the air treatment device to the filter medium.
- the air treatment device is triangular or polygonal, plate-shaped, strip-shaped, round and / or oval.
- the air treatment unit has direction, a thickness of less than ten millimeters, preferably less than eight millimeters, more preferably less than five millimeters, more preferably less than three millimeters.
- the air treatment device may be rectangular and have a narrow and a long side. The long side can be arranged along the fold tips of the folded filter medium or transversely to these.
- perpendicular means an angle of 90 ° ⁇ 10 °, preferably of 90 ° ⁇ 5 °, more preferably of 90 ° ⁇ 1 °, even more preferably of exactly 90 °
- the air treatment device is strip-shaped
- the air treatment device can stiffen the filter medium.
- the air treatment device is provided at a downstream side or upstream side or the upstream side of the air filter element. On the downstream side, the volatile air treatment agent is discharged to the cleaned air.
- the air handling device is made of a plastic material permeable to the volatile air treatment agent.
- the air treatment device comprises a material, in particular a plastic material, in which the air treatment agent is stored.
- a plastic material is for example polyolefin or other thermoplastic or thermosetting plastic in question.
- it may comprise cellulose or metal.
- the air treatment agent may be stored in the plastic, the cellulose and / or the metal.
- the air treatment device or the plastic material therefore preferably does not contain a single or a few large chambers in which the air treatment agent is stored, although such an embodiment would also be possible.
- the air treatment device may, insofar as it consists of plastic, be made in particular by injection molding or extrusion.
- the volatile air treatment agent is stored evenly distributed in the air treatment device, in particular in the material, for example the plastic material.
- the air treatment device or the material on evenly distributed cavities or pores, in which the volatile air treatment agent is stored.
- the air treatment agent may be incorporated in different ways in the air treatment device or in its plastic, cellulose or metal material.
- plastic for example, it is initially possible to mix the plastic in the still liquid state with the air treatment agent and then to injection-mold or extrude it to form the air treatment device. Or else, the air treatment device or the plastic, cellulose or metal material is impregnated with the air treatment agent.
- the air treatment device is welded, glued or fused to the at least one pleat tip. As a result, a particularly good connection between the air treatment device and the filter medium is achieved.
- the air handling device is ultrasonically welded to the at least one pleat tip. Ultrasonic welding can ensure a safe, fast, firm and clean connection of the air treatment device to the filter medium.
- the air treatment device has channels, ribs and / or openings.
- a surface enlargement of the air treatment device can be achieved, whereby the delivery of the volatile air treatment agent to the air is facilitated.
- openings in the air treatment device By providing openings in the air treatment device, a reduction of the filtration performance of the filter medium is prevented.
- the filter element is in particular a cabin filter for filtering air for the interior of a vehicle or building.
- the filter element can be used in motor vehicles, trucks, construction machines, watercraft, rail vehicles, in building technology or in aircraft application.
- a filter arrangement is proposed with such a filter element and a filter holder for receiving the filter element.
- the filter arrangement is in particular a filter arrangement.
- the filter holder can be a filter housing.
- an air treatment device for a filter element is provided.
- the air treatment device is adapted to deliver a volatile air treatment agent to the air, wherein the air treatment device can be arranged on at least one pleat tip of a pleated filter medium of the filter element and with the at least one pleat tip materially connectable.
- the filter element comprises, for example, a filter medium and one or more reinforcing elements, in particular side and / or head bands, which reinforce the filter medium at least in sections in order to maintain its shape, in particular in filter operation.
- the reinforcing elements may, in particular, form a closed or open frame, including one piece of material, which surrounds the filter medium.
- a "frame" includes one or more reinforcing elements.
- the reinforcing elements can be bonded to the filter medium on the edge side, in particular adhesively bonded.
- the reinforcing elements can be heated and the filter medium can be pressed into the heated material.
- the reinforcing elements may be molded onto the filter medium.
- an adhesive can be used as filler material.
- the reinforcing elements may themselves be made of the same material as the filter medium.
- the reinforcing elements may be formed as plastic injection molded components.
- the reinforcing elements can be stiff or flexible.
- the filter medium can be embossed and then folded into sharp edges at embossing edges
- the filter medium may, for example, be a filter fabric, a filter fabric or a filter fabric
- the filter medium may be natural fibers such as cotton or synthetic fibers such as polyester, polyphenyl sulfide or polytetrafluoroethylene
- the fibers may be oriented internally, obliquely and / or transversely to the machine direction during processing.
- a corresponding filter element is used to filter air, fluid, ie gaseous and / or liquid media, for example air.
- Gaseous fluid or air here also includes gas or air-solid mixtures or gas or air-liquid mixtures.
- an air conditioner may have the filter element.
- the filter element may have a sealing device which seals a raw side associated with the filter element with respect to a clean side thereof.
- the sealing device may be identical in construction to one or more reinforcing elements of the filter element.
- the sealing device may be formed as an additional component.
- the sealing device can be attached to the filter medium, the one or more reinforcing elements, the filter element or the filter holder.
- FIG. 1 shows a schematic perspective view of an embodiment of a filter arrangement with a cabin filter
- FIG. 2 shows a schematic partial sectional view of the interior filter according to FIG. 1.
- FIG. 1 shows a schematic perspective view of an embodiment of a filter assembly 1 with a cabin filter 2 for use in a vehicle or building.
- FIG. 2 shows a schematic partial sectional view of the interior filter 2 according to FIG. 1.
- FIGS. 1 and 2 at the same time.
- the filter assembly 1 further comprises, in addition to the cabin filter 2, a filter housing 3 which is adapted to receive the cabin filter 2.
- the filter receptacle 3 is, for example, box-shaped and has a filter receptacle body and a filter receptacle lid which is adapted to close the filter receptacle body.
- the interior filter 2 can be sealed in a fluid-tight manner with respect to the filter holder 3 by means of a sealing device (not shown).
- the interior filter 2 comprises a filter medium 4 of preferably folded filter material. Frequently, plastic nonwoven materials are folded in a zigzag fashion used as filter materials for automotive interior filters.
- a sideband. 6 and a side band 7 attached on the back. It can be done with a bond, for example, a hot melt adhesive or other suitable adhesives.
- headbands 8, 9 are attached to respective end folds of the filter medium 4.
- the headbands 8, 9 have a flattened rectangular profile.
- the two side bands 6, 7 with the head bands 8, 9 enclose the filter medium 4 in the manner of a frame.
- the sidebands 6, 7 and the headbands 8, 9 may for example be made of a nonwoven material.
- the sidebands 6, 7 and the headbands 8, 9 may be made of a thermoplastic such as polypropylene or polyethylene.
- the side bands 6, 7 and the head bands 8, 9 are made of one piece material.
- the sidebands 6, 7 and the headbands 8, 9 may be glued to the filter medium 4, fused thereto or molded onto it in an injection molding process.
- FIG. 1 pure-side pleat tips 10 of the filter medium 4 are shown.
- Fig. 1 only one pleat tip 10 has been provided with a reference numeral.
- air L flows from a raw side RO perpendicular to a planar extension of the filter medium 3 through the filter medium 3 toward a clean side RE.
- the filter materials and geometries of the filter medium 4 or the interior filter 2 are adapted to a predetermined flow direction.
- the interior filter 2 preferably has, in addition to the filter medium 4, an air treatment device 11.
- the air treatment device 1 1 is adapted to deliver a volatile air treatment agent to the air, in particular into the filtered air, during operation of the interior filter 2.
- the air treatment device 1 1 is arranged on at least one fold tip 10 of the folded filter medium 4 and connected to this materially.
- the air treatment device is welded to at least one fold tip 10, especially ultrasonically welded.
- ultrasonically welded By ultrasonic welding a safe, fast, solid and clean connection of the Filtermediunns 4 and the air treatment device 1 1 is ensured.
- the air treatment device 1 1 can be glued to the at least one fold tip 10.
- the air treatment device 1 1 is arranged on the at least one fold tip 10 of the folded filter medium 4 and connected to this materially, the flow-through surface of the pleated filter medium 4 is not or only minimally reduced.
- the air treatment device 1 1 is preferably plate-shaped and has a thickness D of less than ten millimeters, preferably less than eight millimeters, more preferably less than five millimeters, more preferably less than three millimeters.
- the air treatment device 1 1 is made of a plastic.
- the air treatment device 1 1 may for example be made of a polyolefin and elastomer mixture.
- the plastic material may, for example, be impregnated with the volatile air treatment agent. Or else, the volatile air treatment agent is mixed in the production of the air treatment device 1 1 in the particular still liquid plastic material.
- the volatile air treatment agent is preferably evenly distributed in the plastic material of the air treatment device 11 and may, for example, comprise essences of fruit parts and plant parts or essential oils derived therefrom which leave a pleasant impression on the passengers of the vehicle.
- the air treatment device 11 is a plate-shaped plastic material casting component.
- the air treatment device 1 1 1 channels, ribs and / or openings 13 may have.
- the air treatment device 1 1 preferably has a narrow side s and a long side I.
- the long side I is three times as long as the narrow side s, more preferably, the long side I is three times as long as the narrow side s.
- the air treatment device 1 1 may be strip-shaped or other shapes, such as square, round and / or oval, have.
- the long side I of the air treatment device 1 1 can be arranged along the pleat tips 10 of the folded filter medium 4 or perpendicular thereto.
- perpendicular is meant in the present case an angle of 90 ° ⁇ 10 °, more preferably of 90 ° ⁇ 5 °, more preferably of 90 ° ⁇ 1 °, further preferably of exactly 90 °.
- the air treatment device 1 1 is arranged on several pleat tips 10 at the same time and connected to them cohesively.
- the air treatment device 1 1 is preferably provided on the clean side RE and the outflow side of the cabin air filter 2.
- the volatile air treatment agent diffuses during operation of the cabin filter 2 from the air treatment device 1 1 to the surface 12 of the air treatment device, where it is discharged into the air.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112014004350.8T DE112014004350A5 (de) | 2013-09-23 | 2014-09-19 | lnnenraumfilter und Filteranordnung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013015646.7 | 2013-09-23 | ||
DE201310015646 DE102013015646A1 (de) | 2013-09-23 | 2013-09-23 | Innenraumfilter und Filteranordnung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015040179A1 true WO2015040179A1 (de) | 2015-03-26 |
Family
ID=51628102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2014/070033 WO2015040179A1 (de) | 2013-09-23 | 2014-09-19 | Innenraumfilter und filteranordnung |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE102013015646A1 (de) |
WO (1) | WO2015040179A1 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020157540A1 (en) * | 2001-04-30 | 2002-10-31 | Lynn Cathy A. | Scenting device for air flow apparatus |
US20020197187A1 (en) * | 2001-06-20 | 2002-12-26 | Murray Joseph C. | Automotive air treatment devices |
US20050169813A1 (en) * | 2003-04-28 | 2005-08-04 | Ashland Inc. | Vehicle cabin air filter freshener and fragrance strip clip |
EP1768864B1 (de) | 2004-07-01 | 2009-07-15 | Valeo Systèmes Thermiques | Luftbehandlungsvorrichtung für einen partikelfilter einer heiz-, belüftungs- und/oder klimaanlage für einen fahrzeugfahrgastraum |
US20110139006A1 (en) * | 2009-12-10 | 2011-06-16 | Mueller Jr Robert J | Vehicle Air Filter Fragrancing Device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006007252A1 (de) * | 2006-02-15 | 2007-08-23 | Carl Freudenberg Kg | Filterelement mit einem Stoff zur Beduftung und/oder Reinigung |
-
2013
- 2013-09-23 DE DE201310015646 patent/DE102013015646A1/de not_active Withdrawn
-
2014
- 2014-09-19 DE DE112014004350.8T patent/DE112014004350A5/de not_active Withdrawn
- 2014-09-19 WO PCT/EP2014/070033 patent/WO2015040179A1/de active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020157540A1 (en) * | 2001-04-30 | 2002-10-31 | Lynn Cathy A. | Scenting device for air flow apparatus |
US20020197187A1 (en) * | 2001-06-20 | 2002-12-26 | Murray Joseph C. | Automotive air treatment devices |
US20050169813A1 (en) * | 2003-04-28 | 2005-08-04 | Ashland Inc. | Vehicle cabin air filter freshener and fragrance strip clip |
EP1768864B1 (de) | 2004-07-01 | 2009-07-15 | Valeo Systèmes Thermiques | Luftbehandlungsvorrichtung für einen partikelfilter einer heiz-, belüftungs- und/oder klimaanlage für einen fahrzeugfahrgastraum |
US20110139006A1 (en) * | 2009-12-10 | 2011-06-16 | Mueller Jr Robert J | Vehicle Air Filter Fragrancing Device |
Also Published As
Publication number | Publication date |
---|---|
DE102013015646A1 (de) | 2015-03-26 |
DE112014004350A5 (de) | 2016-06-02 |
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