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
  • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
  • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
  • B01D46/2411—Filter cartridges
  • B01D46/2414—End caps including additional functions or special forms
• • 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
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
  • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
  • F02M35/02—Air cleaners
  • F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
  • F02M35/0202—Manufacturing or assembling; Materials for air cleaner housings
  • F02M35/0203—Manufacturing or assembling; Materials for air cleaner housings by using clamps, catches, locks or the like, e.g. for disposable plug-in filter cartridges
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
  • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
  • F02M35/02—Air cleaners
  • F02M35/024—Air cleaners using filters, e.g. moistened
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D2201/00—Details relating to filtering apparatus
  • B01D2201/40—Special measures for connecting different parts of the filter
  • B01D2201/4046—Means for avoiding false mounting of different parts
• • 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
  • B01D2279/60—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for the intake of internal combustion engines or turbines

Definitions

• the present invention relates to a filter element, in particular for an air filter of a fresh air system of an internal combustion engine.
• the invention also relates to an air filter for a fresh air system of an internal combustion engine, in particular in a road vehicle.
• An air filter may basically have a filter housing in which a
• Filter element is arranged and thereby separates a raw side of a clean side in the filter housing.
• the filter element can be an annular
• the folded or pleated filter material has two end folds or end portions which are adjacent in the circumferential direction of the annular filter body and are secured together.
• glue the end folds together or to weld them together or to fasten them together by means of at least one clamp.
• the filter body has due to the attachment of the end folds to each other in the region of the mutually attached end folds another, namely an increased flow resistance than in the other areas, since the end folds fastened together, there to a certain sealing of the
• it may arrive at a symmetrical flow pattern downstream of the filter element. For example, in one
• an air mass sensor in particular in the form of a H doublfilmmessers, be arranged, for example, for a
• Air mass sensor which requires a recalibration of the air mass sensor.
• the effort for this is relatively high and can in particular cost the material for the new filter element and the
• the present invention is concerned with the problem of providing for an air filter or for an associated filter element an improved embodiment, which is characterized in particular by the fact that the effort for assembly and for maintenance is reduced.
• the above-mentioned disadvantages are to be eliminated.
• the invention is based on the general idea of providing at least one alignment contour at least on an axial end disk of the filter element protrudes radially and / or axially from the respective end plate.
• the filter housing has at least one Ausrichtesquekontur which cooperates with the Ausrichtkontur of the filter element, such that the filter element with respect to its longitudinal central axis exclusively in a predetermined
• Rotary position can be properly inserted into the filter housing. In this way it is ensured that the filter element is always positioned with the same rotational position in the filter housing. As a result, the same relative position always results even with an exchange of the filter element
• the alignment contour is preferably eccentric on the
• two or more alignment contours and alignment contours are provided, which in the circumferential direction at the end plate are in a non-rotationally symmetric pattern, e.g. in Y-shape, distributed.
• the alignment contours can have different dimensions and / or geometries, so that only the "correct" alignment contour can be inserted into the alignment counter contour provided for this purpose.
• the Ausrichturgikontur may be formed exclusively in one of the housing parts. In other embodiments, the Ausrichturgikontur may also be provided in two housing parts. In this case, each housing part then has a partial geometry of the Ausrichturgikontur and then form both housing parts together the Ausrichturgikontur. It is advantageous if the Ausrichturgikontur lies in the mold separation plane. Thus, the required geometries can be realized undercut-free. It may be expedient to position the alignment contour and the end folds fastened to each other during manufacture of the filter element relative to one another such that the alignment contour and the end folds enclose an angle in the circumferential direction that is within a predetermined angular range. The predetermined angular range is comparatively narrow.
• the limits of this angular range can be a maximum of 20 ° or a maximum of 15 ° or a maximum of 10 ° apart.
• the angle between the Ausrichtkontur and the end folds may have a predetermined angle, however
• the predetermined angle can
• the angle in particular also have the value 0 °, so that the alignment contour and the end folds are aligned with each other.
• any value between 0 ° and 360 ° is conceivable for the angle, preferably 90 ° or 135 ° or 180 °.
• Alignment contour can be selected specifically so that the influence of
• the Ausrichtkontur by a radially and axially outwardly from the respective end plate
• Ausrichtnase in particular integrally formed on the respective end plate or fixedly applied thereto.
• the molding of a Ausrichtnase can be in the
• the end folds can be fastened to one another by at least one clamp, wherein it can be expedient to provide the respective clamp made of metal,
• Clamps are relatively easy to attach to the end folds.
• Metallic staples can be easily separated from the plastic of the filter material and the end plates when recycling the filter elements. In particular, the metal staples remain when ashing the filter elements.
• Magnetically detectable metals in particular ferromagnetic metals, simplify an automatic in the production of the filter elements
• Alignment of the stapled end folds with respect to the alignment contour of the respective end plate can simplify the automatic production.
• the filter housing may be configured to be the filter element
• the filter element may be a
• the filter housing can now be equipped with a housing opening which is complementary to this closed or closed end disk and which is (tightly) closed when the filter element is properly inserted into the filter housing. This ensures that the fresh air system will only work properly if exactly the filter element designed for this fresh air system or for this air filter is installed.
• the closed or closed end plate forms part of the filter housing surrounding the filter medium.
• the entire end plate or a portion or several sections of the end plate may be provided to complete the filter housing.
• the respective end plate or the respective cover can be held on the filter housing or on the shell body, which form the filter housing, by positive locking.
• an opening edge which encloses the housing opening, at least in sections, have a profile U-shaped receiving groove into which an outer edge of the end disk or the cover projects radially.
• the alignment contour is visible from the outside when the filter element is inserted.
• the alignment contour is arranged in the region of the end disk, which is provided to complete the filter housing.
• the end plate preferably has a sealing surface on which a seal between the filter element and the filter housing is produced.
• This sealing surface may be formed on an axial end face of the end plate and sealingly supported on at least one of the two housing parts.
• a plastic / plastic seal is sufficient, since it is irrelevant to the function of the air filter when small leakage flows of unfiltered air penetrate into the raw area surrounding the filter element.
• a separate seal may be provided which prevents these leakage flows. This is especially necessary when the area around the filter element is the clean side.
• the corresponding sealing surface on the housing part or the housing parts may be provided in a receiving groove, in which the end plate of the filter element is inserted.
• the Ausrichtkontur is designed as an assembly aid, in particular as a handle or ring, and thus facilitates the handling of the filter element during disassembly / assembly.
• Fig. 3 is a partially sectioned axial view of the filter element
• FIG. 4 shows an enlarged detail IV from FIG. 2.
• an air filter 1 for an otherwise not shown fresh air system of an internal combustion engine which in particular in a
• the filter housing 2 serves to receive a filter element 3, wherein the filter element 3 in the filter housing 2 in the usual way a crude side of a clean side separates.
• the filter housing 2 is constructed in several parts and comprises at least two shell body 26, 27, which are fastened to each other.
• the filter element 3 which can be used in the air filter 1
• a filter body 4 which is designed annular and consists of a folded filter material 5.
• the filter body 4 is
• the folded filter material 5 has a multiplicity of folds 7, with inner folds 7 and outer folds 7 alternating with respect to the longitudinal central axis 6. Between the folds 7 extend planar sections 8 of the filter material 5. The folds 7 extend substantially parallel to the longitudinal central axis 6, that is, axially. In the circumferential direction of the filter body 4, which is indicated in Fig. 3 by a double arrow and designated 9, meet two end folds 10 or peripheral ends 10 or end portions 10 of the filter material 5 to each other. These end folds 10 are adjacent in the circumferential direction 9.
• the two end folds 10 are in the example of FIG. 3 by means of at least one clip 1 1 attached to each other.
• the clip 1 1 may extend over the entire axial length of the end folds 10. It is also possible to provide a plurality of brackets 1 1, the axially from each other
• end folds 10 spaced and distributed along the end folds 10 are arranged.
• at least one clip 11 it may be provided to weld the end folds 10 together and / or to glue them together.
• the filter element 3 has at its axial end faces 12, 13 each one
• End plate 14 and 15. The respective end plate 14, 15 is attached to the filter material 5. Preference is given to a plasticization, in which the filter material 5 is immersed in the plastic of the respective end plate 14, 15 and embedded therein. Alternatively, a gluing or welding of the respective end plate 14, 15 may be provided with the filter material 5.
• End plate 15 is equipped with at least one alignment contour 16.
• the alignment contour 16 is of the respective end plate 15 with respect to the
• the equipped with the Ausrichtkontur 16 end plate 15 is on the filter material. 5 suitably mounted so that a predetermined rotational position relationship between the Ausrichtkontur 16 and the end folds 10 results.
• an angle 17 may be included between the alignment contour 16 and the end folds 10 fastened to one another. This angle 17 corresponds to a predetermined angle, which must be maintained during the attachment of the end plate 15. Due to manufacturing tolerances that impede an exact adherence to the predetermined angle, the actual present angle 17 may differ from the desired target angle within the manufacturing tolerances.
• the actual present angle 17 so the actual angle 17 in a predetermined angular range, which contains the aforementioned predetermined target angle in the middle and whose limits are a maximum of 20 ° apart.
• the range limits of the predetermined angular range may be at most 15 ° or in particular at most 10 ° apart.
• the predetermined target angle can basically take any value between 0 ° and 360 °.
• An embodiment is preferred in which the desired angle between the alignment contour 16 and the end folds 10 fixed to one another has the value 0 °. In other words, in this case, the cursing
• the alignment contour 16 is formed by a single alignment nose 18. This is in the example both radially and axially outwardly from the respective end plate 15 from. In another embodiment, an alignment nose 18 projecting only radially from the end disk 15 may also be provided. Likewise, an embodiment is possible in which the alignment nose 18 protrudes only axially from the respective end plate 15. Furthermore, an embodiment is conceivable in which the alignment contour 16 has more than one alignment nose 18. Instead of an alignment nose 18, the alignment contour 16 can also be equipped with at least one recess, which then corresponds to a negative axially or radially projecting contour.
• the alignment nose 18 protrudes both axially and radially from the end plate 15.
• the alignment contour 16 can be attached to the respective end plate 15. Particularly advantageous is an embodiment in which the alignment contour 16 is integrally formed on the respective end plate 15.
• each other it may be appropriate to make the respective clip 1 1 of a metal or to provide it with a metal body.
• the metal of the clip 1 1 and the z For the production of the filter element 3 presented here, it may be advantageous, the metal of the clip 1 1 and the z.
• the metal of the clip 1 1 and the z For example, from plastic produced clip 1 1 attached separate metal body to be selected so that the clip 1 1 and the said metal body is magnetically detectable. In this way, with the help of an appropriate sensor such.
• an appropriate sensor such.
• the exact position of the clip 1 1 and the end folds 10 are determined, whereby it is possible during the manufacture of the filter element 3, the predetermined angle between the end folds 10 and the Ausrichtkontur 16 when attaching the alignment with the contour 16 to comply with equipped end plate 15.
• the position of the end folds 10 be automatically detected with the help of a corresponding machine, so that the alignment between the filter body 4 and end plate 15 can be performed automatically.
• the filter housing 2 with at least one
• Ausrichtlessnesskontur 19 equipped, which is designed to be complementary to the Ausrichtkontur 16 of the filter element 3.
• the Ausrichtkontur 16 of the filter element 3 cooperates with the Ausrichtegakontur 19 of the filter housing 2 such that the filter element 3 can be used relative to its longitudinal central axis 6 only in a predetermined rotational position properly in the filter housing 2.
• the alignment contour 16 is equipped with an alignment nose 18, the alignment counter contour 19 has a nose receptacle 20 shaped in a complementary manner to the alignment nose 18, into which the alignment nose 18 can engage positively as soon as the filter element 3 has the desired rotational position.
• two or more Ausrichtkonturen 16 and complementary Ausrichtesquekonturen 19 may be provided.
• the viewer facing end plate 15 of the filter element 3 is designed as an open end plate 15 which extends annularly around a central opening 21.
• This central opening 21 is closed in the example shown in FIG. 1 with the aid of a cover 22, which, for example, is plugged axially from the outside onto the end disk 15 and thus clipped in particular. In this case, it may be provided, in particular, to provide a seal between the cover 22 and the end disk 15 in order to avoid false air suction through the opening 21.
• the opening 21 is closed with a cover 22, and a closed end plate 15 may be used, which has no central opening 21.
• a closed end plate 15 may be used, which has no central opening 21.
• the filter housing 2 is provided in its outer skin 23 with a housing opening 24 which is formed complementary to the end plate 15.
• the shape of the housing opening 24 is adapted to the shape of the end plate 15 such that the end plate 15 closes the housing opening 24 sufficiently tightly when the filter element 3 is properly inserted into the filter housing 2.
• a corresponding seal between the housing 2 and the end plate 15 may be provided.
• the Ausrichtesquekontur 19 is arranged in the region of the housing opening 24.
• the Ausrichtesquekontur 19 may be integrally formed on the filter housing 2.
• Filter housing 2 may be formed by a one-piece or multi-part injection molded component.
• an opening edge 28 which encloses the housing opening 24 closed in the circumferential direction, have a U-shaped profile which is radially open and in which an outer edge 29 of the end plate 15 or the cover 22, if it projects radially beyond the end plate 15 engages radially.
• peripheral sections 30, 31 are provided, each extending over approximately 180 °, each carrying the U-profile and each formed on one of the shell body 26, 27.
• the filter housing 2 may be designed so that it completely surrounds the filter element 3.
• Ausrichtitchkontur 19 is then formed in the interior of the housing 2, wherein there is an integral shape of Ausrichtitchkontur 19 am
• Filter housing 2 is possible. On the clean side of the filter housing 2, an air mass sensor 25th
• such an air mass sensor 25 is a
• the air mass sensor 25 can be downstream of the
• Filter housing 2 may be arranged in the fresh air system.
• the air mass sensor 25 is arranged directly on the filter housing 2 and in particular also on the
• Reverenz essence be performed, in which the end pleats 10, the desired desired position with respect to the housing 2 and thus with respect to the

Priority Applications (6)

Applications Claiming Priority (2)

Publications (1)

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Family Applications (1)

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Cited By (1)

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Citations (4)

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• 2009
  • 2009-12-07 DE DE202009016500U patent/DE202009016500U1/de not_active Expired - Lifetime
• 2010
  • 2010-11-30 EP EP10788049.4A patent/EP2509699B1/de active Active
  • 2010-11-30 WO PCT/EP2010/068515 patent/WO2011069864A1/de active Application Filing
  • 2010-11-30 MX MX2012006410A patent/MX2012006410A/es active IP Right Grant
  • 2010-11-30 US US13/514,247 patent/US8900357B2/en not_active Expired - Fee Related
  • 2010-11-30 CN CN201080055456.8A patent/CN102711953B/zh not_active Expired - Fee Related
  • 2010-11-30 RU RU2012121388/05A patent/RU2553301C2/ru not_active IP Right Cessation
  • 2010-11-30 BR BR112012013580-5A patent/BR112012013580B1/pt not_active IP Right Cessation

Patent Citations (4)

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