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WO2019110223A1 - Véhicule automobile pourvu d'un dispositif de filtre d'air environnant et dispositif de filtre d'air environnant - Google Patents

Véhicule automobile pourvu d'un dispositif de filtre d'air environnant et dispositif de filtre d'air environnant Download PDF

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Publication number
WO2019110223A1
WO2019110223A1 PCT/EP2018/080308 EP2018080308W WO2019110223A1 WO 2019110223 A1 WO2019110223 A1 WO 2019110223A1 EP 2018080308 W EP2018080308 W EP 2018080308W WO 2019110223 A1 WO2019110223 A1 WO 2019110223A1
Authority
WO
WIPO (PCT)
Prior art keywords
ambient air
filter
filter element
motor vehicle
cleaning device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2018/080308
Other languages
German (de)
English (en)
Inventor
Sven Epli
Gunnar-Marcel Klein
Andreas Beck
Thilo Müller
Christoph Schulz
Macario Francisco DOS SANTOS ASCENSAO
Roman LEONHARDT
Eric Thébault
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mann and Hummel GmbH
Original Assignee
Mann and Hummel GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mann and Hummel GmbH filed Critical Mann and Hummel GmbH
Publication of WO2019110223A1 publication Critical patent/WO2019110223A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/10—Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/12—Filtering, cooling, or silencing cooling-air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
    • B01D2279/40—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for cleaning of environmental air, e.g. by filters installed on vehicles or on streets

Definitions

  • the invention relates to a motor vehicle, in particular, but not limited to, a road vehicle, such as a passenger car, bus, truck or rail vehicle, in particular a trainset or a locomotive having an ambient air cleaning device, in particular for the separation of dust - Ben, in particular fine dust, and / or gases is formed. Furthermore, the invention relates to the ambient air cleaning device per se.
  • EP 1 082 990 B1 finally discloses a motor vehicle having an ambient air cleaning device which is designed to remove certain harmful gases such as CO, O 3, NO x by adsorption from the ambient air.
  • the adsorbent used for this purpose can be regenerated, it being provided, as a heat source for regeneration, to use a cooler in the front region, the waste heat of which can be fed to the adsorbent when regeneration is required.
  • the object of the present invention is to provide an improved motor vehicle having an ambient air cleaning device in the front area, in particular for particle filtration, in particular for filtering fine dust, which is robust enough to withstand the high mechanical stresses of the To withstand installation locations, the separation itself requires no auxiliary power and through which the largest possible volume flow is feasible.
  • the motor vehicle according to the invention which may in particular be a road vehicle, for example a passenger car, bus, lorry or rail vehicle, such as a multiple unit or locomotive, has at least one air inlet opening in a front area, behind which one Ambient air cleaning device is arranged.
  • the ambient air cleaning device is designed in particular for removing particles, in particular fine dust (PM 2.5), and / or gases from the ambient air.
  • the ambient air cleaning device has at least one filter element which has at least one filter medium folded to at least one filter bellows, the filter element having a plurality of wrinkle stabilizing means which support the filter bellows and are present at a lateral distance of not more than 150 mm from one another.
  • the motor vehicle may have an electric and / or combustion engine drive, with electric drive also including, of course, a fuel cell drive.
  • electric drive also including, of course, a fuel cell drive.
  • the term "behind the at least one air inlet opening" is not strictly limited to a "space behind” in relation to the ambient air cleaning device herein, but may also generally be a downstream flow.
  • the air inlet opening behind which the ambient air cleaning device is present, can be covered in particular by a cooling air inlet opening and, for example, by a radiator grille. This can be especially with respect to the vehicle's vertical axis on a flea with the headlights or below or above. In general, it is important that the cross-sectional area of the air inlet opening is as large as possible, so that the largest possible amount of air can be supplied.
  • the support of the filter bellows according to the invention by means of a folding stabilizer takes account of two problems which would otherwise lead to serious technical problems in the case of an arrangement in the front region.
  • a arranged in the front area filter element is flown at the full speed, which has a very high dynamic pressure result, and second, the filter element is fully exposed to moisture effects, not only by precipitation, but also by the effects of cleaning the vehicle, such as a High pressure cleaner.
  • the above-mentioned challenges can be elegantly solved by a support of the folds of the filter bellows by wrinkle stabilizing means in a maximum distance of 150 mm, so that the filter element survives both a flow at V ma x, eg 180 km / h, preferably> 200 km / h, without damage as well as that it can not damage the external cleaning action of high-pressure cleaners.
  • a filter element with a classical bellows structure threatens to package the pleats during such mechanical action, ie a closure of the pleat interspaces, which leads to a sudden loss of filter surface and thus directly to a corresponding increase in the throughflow resistance and thus corresponding waste the volume flow leads.
  • the range according to the invention of the lateral distance of the wrinkle stabilizing means of not greater than 150 mm may advantageously be limited downwards such that the distance is preferably greater than 15 mm, preferably greater than 30 mm, otherwise an unfavorable ratio of the wrinkle stabilizing agent concealed Filterbalg Suiteen and freely permeable areas vorläge.
  • a motor vehicle with such an ambient air cleaning device is capable of accounting as a zero emission vehicle.
  • embodiments of the motor vehicle are possible - even with less expenditure on equipment - in which optionally only the particulate matter emission of brakes and / or combustion engines is compensated by the ambient air cleaning device.
  • the Faltenstabilisie- rungsmittel each parallel to each other, preferably in fold transverse direction, extend.
  • other angular orientations are also possible, for example diagonally.
  • two sets of wrinkle stabilizing means may be provided, each running in parallel and intersecting each other.
  • a parallel course has the advantage that it can be easily implemented in the filter element production by continuous manufacturing processes.
  • An arrangement of the wrinkle stabilizing means in the transverse fold direction is also particularly advantageous, since in this case the smallest possible support length between two adjacent folds is realized, which leads to a particularly effective pleat support.
  • a pleated longitudinal extension extends in the direction of the vertical axis of the vehicle, as this can minimize the deformation of the pleats due to the effect of gravity. The above-described problem of packaging or closing the interstices between folds can be further reduced by this measure.
  • the folding stabilizer means at least in the direction of travel rear, i. on a clean air side of the filter element, preferably additionally in the direction of travel at the front, i. on a raw air side of the Filterele element, present.
  • the filter medium has a bending inherent stiffness of at least 1 Nm 2 , preferably at least 2 Nm 2 . What is meant here is an intrinsic bending stiffness of the filter medium, ie in an unprocessed / unfolded state.
  • the wrinkle stabilizing means may comprise at least one inner wrinkle stabilizing agent which at least partially engages the wrinkle interstices, preferably fills the interstices between wrinkles.
  • inner wrinkle stabilizing agent may be, for example, a continuous adhesive bead and / or an intervening stabilizing comb.
  • a continuous adhesive bead is understood to mean a bead of adhesive which is already applied to the flat filter medium prior to folding and thus extends completely from the fold bottom to the fold tip after folding, ie is designed to be continuous.
  • at least one outer Faltenstabilmaschines- means may be provided which is connected at least with each adjacent pleat tips.
  • the outer wrinkle stabilizing means may comprise at least one bead of adhesive connected at least to the crimp tips, at least one thread connected at least to the pleat tips, and / or at least one stabilizing band or rib and / or at least one support grid.
  • the outer pleat stabilizing means may also be integrally bonded to the pleat tips, thereby contributing to optimum introduction of force from the pleat tips into the outer pleat stabilizing means.
  • Such a cohesive connection can be achieved, for example, by welding the outer fold stabilizing means to the filter bellows, in particular the pleat tips, in particular by mirror welding.
  • the adhesive bead of the outer wrinkle stabilizer is not a continuous bead of adhesive, but superficially connected to the pleat tips.
  • the adhesive beads of the inner and / or outer wrinkle stabilizing means may have a width in a range of 0.5 mm to 12 mm, preferably 1 mm to 8 mm.
  • the pleats of the filter bladder are "folded in a block" such that the pleat spacing is approximately twice the width of the passing glue beads (as inner pleat stabilizing means).
  • Kleberaupen is about a hot melt adhesive into consideration.
  • the filter medium of the filter element of the ambient air cleaning device can have one or more stamping lines, which preferably run in the transverse direction of folding.
  • the rigidity of the folds of the filter bellows is additionally increased by an increase in the area moment of inertia, which additionally contributes to preventing a collapse / compacting of the folds under the action of pressure.
  • the filter element of the ambient air cleaning device has a collapse compressive strength of at least 15 mbar, preferably at least 25 mbar.
  • the ambient air cleaning device can advantageously have a filter area of at least 1 m 2 , preferably at least 2 m 2 , most preferably at least 4 m 2 .
  • the filter surface can be distributed over one, two or even more individual filter elements.
  • the depth of the filter element in the vehicle longitudinal direction can be less than 150 mm, preferably less than 10 mm, but should not be less than 10 mm, since otherwise no filter surface that can be used effectively can be realized, while the maximum depth for a compact, space-saving design is essential.
  • the dimensions of an inflow surface of the ambient air cleaning device may be, for example, 45 cm (fleas) x 65 cm (width).
  • the dimensions of an inflow surface of the ambient air cleaning device may be, for example, 45 cm (fleas) x 65 cm (width).
  • significant deviations are possible, so that in principle a dimension range of 20 cm width to 120 cm width and 15 cm fleas to 100 cm fleas are possible.
  • the ambient air cleaning device has at least one water separation device, at least one inertia separator, for example at least one separator plate arranged in the vehicle transverse direction, in particular a plurality of separator plates , which cover a flow area of the filter element substantially completely.
  • the at least one separator lamella is connected to the folding tips of the filter bellows of the filter element and at least one stabilization band or rib is at least formed.
  • Inertial separators such as the lamella separators mentioned, are technically reliable and durable liquid separators, which have a considerable separation efficiency in their design spectrum. Without a liquid separator, the filter element would be completely exposed to water effects, which in the worst case can lead to a temporary almost complete loss of the effective filter surface.
  • the filter medium of the filter element of the ambient air cleaning device may be a single-layer or multi-layer filter medium which may be water-resistant. It may be a multi-layer medium, which has at least one drainage layer and / or a pre-separator layer in front in the direction of travel. Alternatively or additionally, the filter medium may comprise glass fibers and / or plastic fibers, in particular polyesters and / or polyethylene, or consist thereof. Finally, it can also be provided that the filter medium has a porosity gradient in a thickness direction, preferably in such a way that a pore size decreases counter to the direction of travel.
  • the filter medium may have at least one gas filtration layer, in particular with an activated carbon bed as active material.
  • the gas filtration layer can be provided with appropriate active materials which enable adsorption / absorption of various noxious gases from the ambient air, for example ozone, sulfur dioxide, nitrogen oxides and carbon monoxide.
  • various active materials can also be used.
  • the activated carbon may also be impregnated to enhance the separation of certain gases.
  • the drainage layer and / or the pre-deposition layer can also be designed as a separate pre-separator element, which is arranged upstream of the "main filter element" in the flow direction (forward direction of travel).
  • a service life increase of the main filter element can be achieved.
  • a water-resistant property can be achieved, for example, by suitable impregnation of the filter medium or by using base materials for the filter medium, which per se already have water resistance, e.g. synthetic filter media.
  • the filter medium of the filter element can have at least one support layer, in particular a support grid, arranged on the clean side, ie in the direction of travel, in particular a support grid, in particular der from a plastic, in particular polypropylene and / or a polyester; respectively.
  • the support grid can have a mesh width of 0.5 mm to 4 mm, particularly preferably 1 mm to 2 mm.
  • the support grid is advantageously folded during the bellows production to the filter bellows and is part of the filter medium; it serves for the rearward stabilization of the filter medium against dynamic pressure as a supplementary measure to inner and outer wrinkle stabilizing centers and is not to be confused with these.
  • Fiber-based or plastic-based is understood in the present case to mean a minimum content of the filter medium at 50% of the respective fibers.
  • the at least one filter element of the ambient air cleaning device can have an at least partially encircling frame in which the at least one filter bellows is accommodated.
  • the frame may have an L-shaped cross-sectional shape, wherein preferably one leg of the L-shaped cross section of the frame engages behind the filter bellows of the filter element in the direction of travel and thus supports against the impact of the dynamic pressure.
  • the filter element may in particular be a plastic-encased filter element, wherein the at least partially encircling frame is connected to the filter medium in a material-locking manner.
  • the invention is not limited to a cohesive connection;
  • the filter element may be inserted only into the frame so that it advantageously bears against the rear leg of the L-profile in a form-fitting manner.
  • the ambient air cleaning device may have a vehicle-fixed receiving space, which corresponds to the frame of the filter element, in which the filter element, preferably by releasable fastening means, in particular a clip connection, is supported.
  • the receiving space can also be designed so that it acts as an assembly shaft, in which the at least one filter element is linearly insertable. This allows a simple interchangeability of the filter element, such as the top side of a lock carrier of a front hood ago or from an underbody side, which is easily accessible, for example, when servicing on a platform.
  • the filter element of the ambient air cleaning device may comprise a plurality of sub-filter elements, which are each inserted adjacent to one another in the frame.
  • the frame may have at least one supporting band located behind the sub-filter elements, viewed in the direction of travel, which supports at least one abutting region in which two adjacent sub-filter elements adjoin one another.
  • the sub-filter elements in turn advantageously each have a circumferential plastic frame and / or have a circumferential sideband, preferably of the filter medium, of a foam strip material or nonwoven strip material.
  • the motor vehicle in the front region at least one heat exchanger, in particular a water cooler, such as a coolant radiator, intercooler, oil cooler or an air condenser (condenser of a chiller) and / or at least one fan or blower.
  • a water cooler such as a coolant radiator, intercooler, oil cooler or an air condenser (condenser of a chiller) and / or at least one fan or blower.
  • a plurality of heat exchangers which can be arranged in the direction of travel at least partially overlapping, one above the other, side by side.
  • a motor oil cooler, charge air cooler which can also have a liquid heat transfer medium in a secondary circuit
  • an air conditioning condenser can be arranged in the front area in addition to a coolant radiator.
  • several fans / blowers can be provided.
  • the fan / blower can be an axial, radial or diagonal machine.
  • the ambient air cleaning device tion can optionally be arranged in front of or behind the at least one heat exchanger in the direction of travel or in front of or behind the fan or between the heat exchanger and the ventilator.
  • An arrangement in front of the heat exchanger has the advantage that the heat exchanger is additionally protected against damage and contamination.
  • the ambient air cleaning device may be disposed in the non-overlapping region of the two heat exchangers.
  • the fan or the blower serves to supply air to the ambient air cleaning device in those operating states of the motor vehicle in which the driving speed is too low.
  • the fan or the blower can be electrically driven by an auxiliary drive or driven directly by the drive motor of the motor vehicle, wherein in the latter case a switchable coupling can be provided.
  • volume flow pressure loss characteristic curve volume flow pressure loss characteristic curve
  • the at least one fan / blower it is possible, in conjunction with the at least one fan / blower, to completely compensate the particulate matter (essentially PM 2.5) emissions of the motor vehicle by the ambient air purifying device, so that in the balance sheet, in terms of PM 2.5, it is a zero emission vehicle.
  • a typical medium-class passenger car is about 25 mg / km of total particulate matter.
  • the filter element of the ambient air cleaning device with respect to the at least one heat exchanger is arranged so that it covers an inflow of the heat exchanger to not more than 75%, so that even with loaded filter element a sufficient residual heat dissipation is possible.
  • the filter element can be arranged offset by the vehicle vertical and / or transverse direction to the heat exchanger.
  • a flow bypass is provided between the at least one filter element and the at least one heat exchanger, which can be optionally opened and closed, in particular depending on a predetermined temperature in a fluid circuit of the heat exchanger.
  • the above restriction with regard to the maximum coverage of the ambient air cleaning device and the heat exchanger is not compulsory, since with the bypass for certain operating criteria a sufficiently large flow of cooling air is possible the heat exchanger can be provided.
  • a switching temperature of the bypass must be designed so that the system connected to the heat exchanger, such as the drive motor, is under no circumstances thermally damaged.
  • a loading state of the filter element ie the pressure drop across the element, and / or a travel speed of the motor vehicle can be used.
  • the motor vehicle of the ambient air cleaning device upstream can have a closure device which can be activated as a function of a predetermined criterion, preferably the travel speed and is designed to block the air supply to the ambient air cleaning device.
  • the closure device may be designed as a roller shutter or blind and, in a closed position, largely covers an inflow surface of the ambient air cleaning device, i. H. at least 70%, preferably completely.
  • the filter element can be displaceably mounted in at least one of the vehicle transverse, vehicle longitudinal and / or vehicle vertical directions, so that overlap of the at least one heat exchanger can be changed by the displacement and / or a flow bypass around the filter element is feasible.
  • the filter element can be pivotably mounted in order to be able to pivot it out of the plane of the flow in dependence on a predetermined criterion, preferably the driving speed, for which purpose the pivot axis can extend approximately in the vehicle transverse direction or vehicle vertical direction.
  • Another aspect of the invention relates to the ambient air cleaning device of a motor vehicle per se.
  • FIG. 2 shows a side view of a motor vehicle according to the invention with the ambient air cleaning device between fan and radiator;
  • FIG. 3 shows a side view of a motor vehicle according to the invention with the ambient air cleaning device behind the fan and radiator;
  • FIG. 4 shows an isometric view of a filter element for the ambient air cleaning device according to the invention with a bead of adhesive on it;
  • FIG. 5 shows an isometric view of a further filter element for the ambient air purifying device according to the invention with continuous bead of adhesive
  • FIG. 6 shows an isometric view of a further filter element for the ambient air cleaning device with stiffening comb according to the invention
  • FIG. 7 shows an isometric view of a further filter element for the ambient air purifying device according to the invention with support grid;
  • an inventive motor vehicle 1 is shown schematically, which has an ambient air cleaning device 2 in the front area. This is arranged behind an air inlet opening 6 in the region of a radiator grille between the front headlamps.
  • the ambient air cleaning device 2 is located in the immediate vicinity of an axial fan 3 which, in the direction of travel, adjoins the rear of a radiator 4, which in turn is installed in front of the engine 5.
  • a filter element of the ambient air cleaning device 2 advantageously protects the radiator 4 from damage and / or contamination.
  • FIGs. 2 and 3 Other possibilities of positioning the ambient air cleaning device 2 are shown in Figs. 2 and 3; Accordingly, this can be arranged either between fan 3 and radiator 4 or behind the radiator 4, but even before the engine 5.
  • the ambient air cleaning device 2 has at least one filter element 21, which has at least one filter medium folded to at least one filter bellows 21 1, the filter element 21 having a plurality of wrinkle stabilizing means 22, 23, 24, 25, which support the filter bellows 21 1 and are present at a lateral distance of not more than 150 mm from each other.
  • Various types of filter elements 21 for the ambient air cleaning device 2 are shown in FIGS. 4 to 6. H here are highly simplified representations, on the basis of which, however, the concept of the wrinkle support by the wrinkle stabilizing means 22, 23, 24, 25 can be explained.
  • the filter element 21 shown in FIG. 4 has on its clean side 212 an adhesive bead 22 connected exclusively to the pleat tips, which prevents the pleats from compacting on the clean side 212 under pressure from the raw side 213.
  • this is an outer wrinkle stabilizing agent.
  • the adhesive bead 22 may consist of a hot melt adhesive, which the skilled person considers suitable.
  • Fig. 5 shows another possibility of wrinkle stabilization;
  • a so-called continuous adhesive bead 23 is provided, which represents a possible inner Faltenstabilisie- means in the context of the invention.
  • a "continuous bead of adhesive” is understood to mean a bead of adhesive 23 which is already applied to the flat filter medium prior to folding and thus runs completely from the crimp base to the crest tip after folding, i. just trained continuously.
  • Fig. 6 shows a still further possibility to realize the wrinkle stabilizing means.
  • a stabilizing comb 24 is provided, which engages in the interstices between folds and can also be materially connected to the filter medium, but need not; the stabilizing effect against said compaction already results from its presence, virtually positive fit.
  • FIG. 1 a last possibility of an outer wrinkle stabilizing means 25 is shown in FIG.
  • a support grid 25 is provided, the clean side 212 supports the filter bellows against the differential pressure, preferably the support grid 25 is connected to the Faltenspit- zen of the filter bellows 21 1, such as glued or welded.
  • the grid webs run at an angle of approximately 45 ° with respect to the longitudinal direction of the pleat.
  • the invention is not limited to the above-described wrinkle stabilizers.
  • FIG. 8 shows a plurality of volumetric flow pressure loss characteristics of an axial fan, diagonal fan and radial fan. Furthermore, the characteristics of three filter elements are shown there, which differ in their pleat height and thus in their filter surface.
  • the filter element volume flow pressure (loss) characteristic curve
  • a typical mid-range passenger car is about 25 mg / km total particulate matter emissions (scenario a).
  • the so-called wake factor is a conversion factor that was obtained from a comparison of air quality measurements at stationary measuring stations with vehicle-related measurements in the ground area. Accordingly, the load in the vehicle-related floor area is higher by a factor of 2 than the measured values of the stationary measuring stations.
  • the filter element of the ambient air cleaning device of about 0.28 m 2 can be at a number of folds of 1 10 and a fold height of 30 mm 4 m 2 filter surface accommodate, with a fold number of 85 and a pleat height of 48 mm 5.2 m 2 filter surface and at a number of 65 and a pleat height of 100 mm already 8.3 m 2 filter surface.
  • the volumetric flow pressure (loss) characteristics of these exemplary selected filter elements are shown in FIG. In scenario a (4500 m 3 / h) the pressure loss through the filter element at 30 mm pleat height is approx. 271 Pa, at 48 mm pleat height 222 Pa and at 100 mm pleat height 176 Pa.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

La présente invention concerne un véhicule automobile (1) en particulier un véhicule routier, en particulier un véhicule particulier, un autobus, un poids lourd, ou un véhicule ferroviaire, en particulier un autorail, une locomotive, qui comporte dans une zone avant au moins une ouverture d'admission d'air (6) derrière laquelle est agencé un dispositif de purification (2) d'air environnant qui sert en particulier à l'élimination de particules, en particulier de poussières fines, et/ou de gaz provenant de l'air environnant. Le dispositif de purification (2) d'air environnant comporte au moins un élément de filtre (21) qui comporte au moins un milieu de filtre plissé en au moins un soufflet (211) de filtre, l'élément de filtre (21) comportant une pluralité de moyens de stabilisation de plis (22, 23, 24, 25) qui protègent le soufflet (211) de filtre et qui se trouvent à une distance latérale les uns des autres inférieure à 150 mm. L'invention concerne en outre le dispositif de purification (2) d'air environnant.
PCT/EP2018/080308 2017-12-08 2018-11-06 Véhicule automobile pourvu d'un dispositif de filtre d'air environnant et dispositif de filtre d'air environnant Ceased WO2019110223A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017011313.0A DE102017011313A1 (de) 2017-12-08 2017-12-08 Kraftfahrzeug mit Umgebungsluftreinigungsvorrichtung und Umgebungsluftreinigungsvorrichtung
DE102017011313.0 2017-12-08

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WO2019110223A1 true WO2019110223A1 (fr) 2019-06-13

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CN112881613A (zh) * 2021-01-23 2021-06-01 周如国 一种粘接式新能源汽车排气收集检测装置
EP4173690A1 (fr) * 2021-10-26 2023-05-03 MANN+HUMMEL GmbH Système et procédé de nettoyage de l'air ambiant s'écoulant à travers un véhicule et véhicule comprenant ce système
WO2024017691A1 (fr) 2022-07-21 2024-01-25 Mann+Hummel Gmbh Dispositif de filtration d'air ambiant, utilisation d'un élément filtrant et véhicule automobile
DE102022118231A1 (de) 2022-07-21 2024-02-01 Mann+Hummel Gmbh Umgebungsluftfiltervorrichtung, Verwendung eines Filterelements und Kraftfahrzeug
EP4342567A1 (fr) 2022-09-22 2024-03-27 MANN+HUMMEL GmbH Élément filtrant, système de refroidissement, véhicule comprenant ledit filtre et procédé de production dudit filtre
EP4477852A1 (fr) 2023-06-12 2024-12-18 MANN+HUMMEL GmbH Système de refroidissement de filtre pour un véhicule automobile
US12482306B2 (en) 2022-06-24 2025-11-25 Mann+Hummel Gmbh System and method of cleaning fluid, and vehicle connected to the system

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CN112881613A (zh) * 2021-01-23 2021-06-01 周如国 一种粘接式新能源汽车排气收集检测装置
EP4173690A1 (fr) * 2021-10-26 2023-05-03 MANN+HUMMEL GmbH Système et procédé de nettoyage de l'air ambiant s'écoulant à travers un véhicule et véhicule comprenant ce système
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US20240262250A1 (en) * 2021-10-26 2024-08-08 Mann+Hummel Ventures Pte. Ltd. System and method of cleaning environmental air flowing through vehicle, and vehicle comprising system
US12482306B2 (en) 2022-06-24 2025-11-25 Mann+Hummel Gmbh System and method of cleaning fluid, and vehicle connected to the system
WO2024017691A1 (fr) 2022-07-21 2024-01-25 Mann+Hummel Gmbh Dispositif de filtration d'air ambiant, utilisation d'un élément filtrant et véhicule automobile
DE102022118231A1 (de) 2022-07-21 2024-02-01 Mann+Hummel Gmbh Umgebungsluftfiltervorrichtung, Verwendung eines Filterelements und Kraftfahrzeug
EP4342567A1 (fr) 2022-09-22 2024-03-27 MANN+HUMMEL GmbH Élément filtrant, système de refroidissement, véhicule comprenant ledit filtre et procédé de production dudit filtre
WO2024061696A1 (fr) 2022-09-22 2024-03-28 Mann+Hummel Ventures Pte. Ltd. Élément de filtre, système de refroidissement, véhicule comprenant ledit filtre, et procédé de production dudit filtre
EP4477852A1 (fr) 2023-06-12 2024-12-18 MANN+HUMMEL GmbH Système de refroidissement de filtre pour un véhicule automobile
WO2024256051A1 (fr) 2023-06-12 2024-12-19 Mann+Hummel Gmbh Système de refroidissement à filtre pour véhicule à moteur

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