EP2888025A1 - Dispositif de filtration, en particulier pour la filtration de gaz - Google Patents

Dispositif de filtration, en particulier pour la filtration de gaz

Info

Publication number
EP2888025A1
EP2888025A1 EP13752627.3A EP13752627A EP2888025A1 EP 2888025 A1 EP2888025 A1 EP 2888025A1 EP 13752627 A EP13752627 A EP 13752627A EP 2888025 A1 EP2888025 A1 EP 2888025A1
Authority
EP
European Patent Office
Prior art keywords
filter
filter device
housing
clamping
lever
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.)
Withdrawn
Application number
EP13752627.3A
Other languages
German (de)
English (en)
Inventor
Klaus Waltenberg
Bernd Joos
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 EP2888025A1 publication Critical patent/EP2888025A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F02M35/02416—Fixing, mounting, supporting or arranging filter elements; Filter element cartridges
    • 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
    • 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
    • F02M35/02475—Air cleaners using filters, e.g. moistened characterised by the shape of the filter element
    • F02M35/02483—Cylindrical, conical, oval, spherical or the like filter elements; wounded filter elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2265/02—Non-permanent measures for connecting different parts of the filter
    • B01D2265/021—Anti-rotational means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2265/02—Non-permanent measures for connecting different parts of the filter
    • B01D2265/028—Snap, latch or clip connecting means

Definitions

  • the invention relates to a filter device, in particular for gas filtration, for example, to an air filter for motor vehicles, according to the preamble of claim 1.
  • an air filter for a motor vehicle which has a filter element in a filter housing, which is formed as a hollow cylinder and is flowed through radially by the fresh air sucked in.
  • a radially projecting retaining tab is integrally formed, which protrudes positively in the assembled state into a recess in the housing and is pressed by a housing cover into the recess.
  • the retaining lug is secured positively in the circumferential direction and in the axial direction.
  • Prerequisite is a complementary to the retaining tab shaped recess on the inside of the filter housing.
  • the invention has the object of providing a filter device with simple constructive measures in such a way that the filter element is securely held in the filter housing.
  • the invention relates to a filter device for the filtration of a fluid, in particular a gaseous fluid, optionally also a filtration of liquid media into consideration.
  • the filter device according to the invention is used as an air filter for motor vehicles, in particular for an internal combustion engine or for the fresh air which is supplied to the interior of the motor vehicle.
  • the filter device has a filter element through which the fluid to be cleaned flows and is accommodated in a filter housing which can be closed by a housing cover.
  • a clamping element is arranged on the filter element, which rests in the mounted state with clamping force on a first housing part.
  • the first housing part is preferably part of the filter housing, wherein optionally the first housing part can also be arranged on the housing cover.
  • a lever element is arranged in addition to the clamping element, which rests in the mounted state on a further, second housing part and the force applied to the clamping element against the first housing part.
  • the further housing part is preferably the housing cover, if the first housing part is arranged on the filter housing.
  • the first housing part on the housing cover and the second housing part are arranged on the filter housing.
  • the lever member is used to exert a clamping force on the clamping element, with which the clamping element is supported on a first housing part.
  • the connection between the filter element and the filter housing is thus at least in the circumferential direction - seen in the direction of rotation about the longitudinal axis of the filter element - in a non-positive manner, so that can be dispensed with additional structural configurations in the filter housing or in the housing cover for positive reception of the filter element on the component.
  • the filter element is preferably received in the filter housing in a force-locking manner in the circumferential direction. In the axial direction, on the other hand, the filter element is supported on the filter housing, so that insofar axially a positive reception of the filter element in the filter housing is given.
  • the force acting on the lever element is transmitted to the clamping element, which is subjected to force against the housing component.
  • the clamping element and the lever element may be formed in one piece, for example, to be formed on a preferably made of plastic end plate of the filter element.
  • the filter element is hollow in a preferred embodiment. cylindrically formed and is flowed through radially by the fluid to be filtered. At least one end face, preferably both end faces of the hollow cylindrical filter element are covered by end plates, wherein one of the end plates is equipped with the clamping element and the lever element, whereas the opposite end plate is formed without such components.
  • clamping element and lever element are connected to the filter element, preferably to the end plate, for example by mechanical attachment or by gluing, welding on or the like.
  • the clamping element and the lever element together form a structural unit with an at least approximately V-shaped cross section.
  • the lever element can be acted upon adjacent to its free end side by the second housing component, whereby the preferably elastically resilient lever element is put under tension and exerts a force on the lever element, which is supported with a clamping force on the first housing component.
  • the force of the lever element is transmitted via the connection point between the lever and clamping element and forwarded to the clamping element.
  • lever element is designed to be resilient, wherein non-resilient designs are also possible. Possibly. is also the clamping element elastically resilient, in which case a non-resilient design is possible.
  • the clamping element is rectilinear and extends at least approximately in the direction of the longitudinal axis of the filter element.
  • the support of the clamping element takes place in the radial direction on the first housing part. But it is also an extension in the radial direction and a support in the axial direction possible.
  • the lever element is advantageously arranged at an angle to the clamping element, for example in the case of a V-shaped configuration at an angle between 45 ° and 90 ° in the unloaded initial state.
  • the lever element and the clamping element are expediently segment-shaped and extend in the circumferential direction only over a limited angle segment.
  • clamping element extends annularly, advantageously also the lever element, embodiments are also possible in which only the clamping element is annular, the lever element, however, formed segment-shaped. Alternatively, the lever element annular and the clamping element formed segment-shaped.
  • the lever element and / or the clamping element may be designed as a flat surface or arcuately, for example, be guided in a radius about the longitudinal axis of the filter element.
  • the lever element and / or the clamping element can protrude axially and / or radially beyond the contour of the end disk or the filter element.
  • a central recess is formed in one of the end-side end plates, to which a sealing part is molded, which rests sealingly on the housing cover.
  • the sealing part is, for example, in the two-component manufacturing process connected to the component and is located in particular on the side facing away from the clamping and the lever element end face of the filter element.
  • the sealing member allows a sufficiently stable connection between the filter element and the housing cover, so that can be dispensed with additional connection measures, such as a screw connection between the filter element and the housing cover.
  • a positioning device between the filter element in which the filter element receiving housing part is provided so that during assembly of the Filter device, the filter element can be fixed only in a predetermined position by the positioning.
  • This positional fixation can be ensured, for example, by a journal-bore arrangement or a tongue-and-groove arrangement.
  • An arrangement of ribs or domes in a housing part or in the filter element and corresponding recesses or blocking contours on the filter element or in a housing part may be provided as a positioning device.
  • FIG. 1 shows an air filter with a hollow cylindrical filter element in a filter housing, which is to be closed by a housing cover,
  • FIG. 4 shows an enlarged view of a clamping element and a lever element, which are integrally formed on an end plate of the filter element
  • Fig. 6 in perspective detail view of the housing cover.
  • Fig. 1 is shown as a filter device 1, an air filter for the internal combustion engine of a motor vehicle having a filter housing 2, which is closable by a housing cover 3.
  • a hollow cylindrical filter element 4 is added, which is based on its longitudinal axis 5 as shown by the arrows radially from outside to inside flowed through by the sucked ambient air.
  • the interior of the filter element 4 represents the clean side, from which the cleaned fluid is discharged axially.
  • the assembly 7 consists of a clamping element 8 and a lever member 9, which together form an approximately V-shaped cross-section.
  • the clamping element 8 and the lever member 9 are integrally formed on the front end plate 6, which consists of plastic and are axially and radially beyond the contour of the end plate and the filter element over.
  • the clamping element 8 extends parallel to the longitudinal axis 5 of the filter element 4, the lever member 9 takes over the clamping element 8 at an angle which is approximately 45 ° in the undeformed state.
  • the clamping element 8 is located on the axial end face within the outer contour determined by the lateral surface, the lever element 9 is also connected to the end plate 6 on the axial end face, but it extends beyond the outer contour in the radial direction.
  • the frontal portion of the clamping element 9 is bent in the axial direction.
  • the clamping element 8 abuts in the radial direction on a support portion 10, which is arranged on the inner wall of the filter housing 2 and is made in one piece with the filter housing.
  • the lever element 9 is acted upon in the mounted state by a further support portion 1 1, which is formed integrally and on the inside of the housing cover 3.
  • the lever element 9 is designed to be elastically resilient, the lever element 9 being put under tension by the application of force to the lever element 9 by the support section 11 on the housing cover 3 and a clamping force acting in the radial direction being transmitted to the clamping element 8, which extends in the radial direction on the clamping element first support portion 10 is supported on the filter housing 2.
  • the clamping element 8 is designed stiff. It rests on a housing contour.
  • the clamping element 8 and the lever element 9 are each segment-shaped and extend in the circumferential direction only over a limited angular segment of a few degrees.
  • the end plate 6 exactly one clamping element 8 and a lever element 9 are arranged.
  • FIG. 6 further shows that the housing cover 3 is approximately L-shaped and has a first section with the opening 13, which is located upstream of the end face of the filter element 4 in the assembled state, and a second section extending in the axial direction. on which the support section 1 1 protrudes in a transverse direction. In the assembled state, the free end face of the support portion 1 1 is applied to the lever member 9 and acts on this with a clamping force.

Abstract

L'invention concerne un dispositif de filtration qui présente un carter de filtre recevant un élément filtrant et pouvant être fermé par un couvercle. Un élément de serrage et un élément de levier sont placés sur l'élément filtrant, l'élément de levier soumettant l'élément de serrage à une force à l'état monté.
EP13752627.3A 2012-08-22 2013-08-21 Dispositif de filtration, en particulier pour la filtration de gaz Withdrawn EP2888025A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012016557 2012-08-22
PCT/EP2013/067399 WO2014029811A1 (fr) 2012-08-22 2013-08-21 Dispositif de filtration, en particulier pour la filtration de gaz

Publications (1)

Publication Number Publication Date
EP2888025A1 true EP2888025A1 (fr) 2015-07-01

Family

ID=49029095

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13752627.3A Withdrawn EP2888025A1 (fr) 2012-08-22 2013-08-21 Dispositif de filtration, en particulier pour la filtration de gaz

Country Status (4)

Country Link
US (1) US9732711B2 (fr)
EP (1) EP2888025A1 (fr)
CN (1) CN104540573B (fr)
WO (1) WO2014029811A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016005353A1 (de) * 2016-05-03 2017-11-09 Mann+Hummel Gmbh Hohlfilterelement, insbesondere zur Gasfiltration
DE102016013388A1 (de) 2016-11-11 2018-05-17 Mann+Hummel Gmbh Filtersystem und Filterelement

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008063720A1 (de) * 2008-12-19 2010-06-24 A. Kayser Automotive Systems Gmbh Filtereinrichtung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10026437A1 (de) * 2000-05-29 2001-12-06 Mann & Hummel Filter Filtereinrichtung
DE202005020099U1 (de) 2005-12-23 2007-05-10 Hengst Gmbh & Co.Kg Luftfilter und Filtereinsatz
DE202006005012U1 (de) * 2006-03-29 2007-08-09 Hengst Gmbh & Co.Kg Luftfilter und Filtereinsatz
DE202007002906U1 (de) * 2007-02-26 2008-07-10 Hengst Gmbh & Co.Kg Luftfilter, und Filtereinsatz dafür
US8292984B2 (en) * 2007-07-20 2012-10-23 Donaldson Company, Inc. Air cleaner arrangments with end support for cartridge; components; and, methods
DE102010014277B4 (de) 2009-10-12 2020-03-12 Mann+Hummel Gmbh Filtervorrichtung und Hauptfilterelement für eine Filtervorrichtung
DE102014011444A1 (de) * 2013-09-02 2015-03-05 Mann + Hummel Gmbh Filterelement und Filtersystem mit einem Filterelement
DE102014014748A1 (de) * 2013-10-30 2015-04-30 Mann + Hummel Gmbh Filterelement und Filteranordnung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008063720A1 (de) * 2008-12-19 2010-06-24 A. Kayser Automotive Systems Gmbh Filtereinrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014029811A1 *

Also Published As

Publication number Publication date
CN104540573A (zh) 2015-04-22
CN104540573B (zh) 2017-10-24
WO2014029811A1 (fr) 2014-02-27
US20150159600A1 (en) 2015-06-11
US9732711B2 (en) 2017-08-15

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