WO2007012511A1 - Dispositif filtrant, notamment filtre a particules diesel, destine a un systeme de gaz d'echappement d'un moteur a combustion interne - Google Patents

Dispositif filtrant, notamment filtre a particules diesel, destine a un systeme de gaz d'echappement d'un moteur a combustion interne Download PDF

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Publication number
WO2007012511A1
WO2007012511A1 PCT/EP2006/062814 EP2006062814W WO2007012511A1 WO 2007012511 A1 WO2007012511 A1 WO 2007012511A1 EP 2006062814 W EP2006062814 W EP 2006062814W WO 2007012511 A1 WO2007012511 A1 WO 2007012511A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
filter device
support structure
filter elements
combustion engine
Prior art date
Application number
PCT/EP2006/062814
Other languages
German (de)
English (en)
Inventor
Martin Eggenmueller
Klaus-Dieter Sulzberger
Thomas Hauber
Markus Wolff
Siegbert Griesinger
Holger Dietzhausen
Thomas Lehmann
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2007012511A1 publication Critical patent/WO2007012511A1/fr

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
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0004—Details of removable closures, lids, caps or filter heads
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/0211—Arrangements for mounting filtering elements in housing, e.g. with means for compensating thermal expansion or vibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
    • 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
    • B01D2265/06—Details of supporting structures for filtering material, e.g. cores
    • 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
    • B01D2279/30—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for treatment of exhaust gases from IC Engines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • Filter device in particular diesel particulate filter, for an exhaust system of an internal combustion engine
  • the invention relates to a filter device, in particular a diesel particulate filter, for an exhaust system of an internal combustion engine, according to the preamble of claim 1.
  • the filter elements are arranged in a ring around a central support.
  • the support consists of a cylindrical support tube and a support pin.
  • the filter elements have an outer retaining ring downstream.
  • the filter elements are stabilized only by the described centric support. Therefore, this arrangement is sensitive to vibrations introduced into the particulate filter.
  • both the support structure and the housing element can be subject to comparatively high tolerances.
  • the filter device can be mounted in a particularly simple manner.
  • the structure of the filter device formed from support structure, damping element and housing element is robust and insensitive to vibrations.
  • a welding of the filter elements with a support ring, which in turn is welded to a support disk, which in turn is welded to the housing member, and the resulting very rigid structure is no longer considered in the inventive device.
  • the difficulty that arises in such a construction is avoided, that the large tolerances of the support structure and the housing member and the resulting comparatively large distances between the individual components must be bridged via a welded joint.
  • the support structure can be movable both in a direction parallel to the flow direction of the filter device and in a direction perpendicular to the flow direction of the filter device.
  • the axial extent of the filter elements can be compensated by the support structure shifts in a direction parallel to the flow direction within the housing member. If the support structure is optionally or additionally movable in a direction perpendicular to the flow direction, vibrations in a direction perpendicular to the flow direction can be compensated for without the housing element resonating.
  • the damping element dampens the movement between the support structure and the housing element. This increases the life of the components and reduces the
  • the damping element is elastic or has elastic components and is designed in particular as a wire mesh.
  • the wire mesh is thermally highly stable. In addition, it can be manufactured with comparatively large manufacturing tolerances.
  • the damping element is connected to the support structure and / or the housing element, in particular by a latching connection.
  • Installation position of the damping element are particularly well defined.
  • a development of the invention provides that the support structure is annular. This makes possible a uniform attachment of the filter elements to the support structure, which can stabilize the filter elements in a radially outer region.
  • the filter elements can be easily centered in the housing element via the annular support structure and the annular damping element.
  • a further embodiment of the invention provides that the filter elements form a centric cavity, in which an additional support sleeve is received. This gives the filter elements additional stability. If damping material, in particular made of wire mesh, is arranged between the filter elements and the support sleeve, vibrations can also be effectively absorbed in this region.
  • Figure 1 is a schematic representation of a
  • Figure 2 is a sectional view of the filter device according to Figure 1;
  • Figure 3 is a perspective view of the filter device.
  • Description of the embodiment 1 shows an internal combustion engine 2 is shown schematically.
  • the internal combustion engine 2 is connected to a total of 4 designated exhaust system. This has lines 6 and 8, between which a filter device 10 is arranged.
  • the filter device 10 has, according to FIG. 2, a tubular housing element 12 which delimits a cylindrical interior space 14. In this interior, radially extending filter elements 16 are arranged, which occupy most of the interior space 14. The filter elements 16 define a central space 18.
  • the filter elements 16 are downstream, that is held on the right in FIG. 1, on an annular disk-shaped closing element 20. This has radially extending struts 21, which open at the central space 18. In this area, the space 18 is covered by a cover plate 22, which is connected via a weld 23 with the closing element 20.
  • the filter elements 16 are upstream of the
  • Filter device 10 that is, in Figure 1 on the left, connected to a support structure 24.
  • annular damping element 26 is provided, which is formed of wire mesh.
  • the support structure 24 has a first annular disk-shaped section 28 to which the filter elements 16 are fastened by means of a weld 30. From the first portion 28 of the support structure 24 is a second portion 32 which is cylindrical and concentric with the wall of the housing member 12 extends. From Finally, in section 32, a third section of support structure 24 extends outward in the radial direction. The section 34 extends substantially parallel to the section 28. The sections 32 and 34 of the support structure 24 form an installation space into which the
  • Damping element 26 can be latched via latching elements, not shown. Thus, the damping element 26 is fixedly connected to the support structure 24. The damping element 26 is received in the housing member 12 with a slight interference fit.
  • an additional support sleeve 36 Adjacent to the interior 18 of the filter elements 16, an additional support sleeve 36 is provided. This has an end plate 38 to which the filter elements 16 are fastened via a weld, not shown.
  • a cylindrical tube 40 extends into the space 18 inside. Between the tube 40 and the filter elements 16 further damping material 42 is provided.
  • annular flange 44 On the outside of the housing member 12, an annular flange 44 is provided, with which the filter device 10 is attachable to an external support of an exhaust system. This flange is also shown in FIG.
  • the flange 44 has a plurality of attachment holes 45 for attachment to the external support.
  • the filter elements 16 are movable in 48 directions.
  • the expansion of the filter elements associated with a high temperature increase can be compensated for by displacing the support structure 24 in directions designated 48.
  • the filter elements 16 are also radially, that is movable in a direction perpendicular to the flow direction. The vibrations occurring in these directions can be absorbed via the damping element 26 and via the damping material 42.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Processes For Solid Components From Exhaust (AREA)

Abstract

L'invention concerne un dispositif filtrant (10), notamment un filtre à particules Diesel, destiné à un système de gaz d'échappement (4) d'un moteur à combustion interne (2). Ce dispositif filtrant comprend un élément boîtier (12) tubulaire destiné à abriter des éléments filtrants (16), de préférence, en forme de poches. Les éléments filtrants (16) sont reliés à au moins une structure support (24). Un élément d'amortissement (26) annulaire est placé entre la structure support (24) et l'élément boîtier (12).
PCT/EP2006/062814 2005-07-25 2006-06-01 Dispositif filtrant, notamment filtre a particules diesel, destine a un systeme de gaz d'echappement d'un moteur a combustion interne WO2007012511A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005034596.4 2005-07-25
DE102005034596A DE102005034596A1 (de) 2005-07-25 2005-07-25 Filtervorrichtung, insbesondere Dieselpartikelfilter, für eine Abgasanlage einer Brennkraftmaschine

Publications (1)

Publication Number Publication Date
WO2007012511A1 true WO2007012511A1 (fr) 2007-02-01

Family

ID=36698921

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/062814 WO2007012511A1 (fr) 2005-07-25 2006-06-01 Dispositif filtrant, notamment filtre a particules diesel, destine a un systeme de gaz d'echappement d'un moteur a combustion interne

Country Status (2)

Country Link
DE (1) DE102005034596A1 (fr)
WO (1) WO2007012511A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010012827A1 (fr) * 2008-07-31 2010-02-04 Valeo Systemes De Controle Moteur Dispositif de filtration pour gaz d'echappement

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4498989A (en) * 1981-02-23 1985-02-12 Nippondenso Co., Ltd. Fluid filter element and support
US5484466A (en) * 1994-02-14 1996-01-16 Baldwin Filters, Inc. Air filter element with radial seal sealing gasket
US6179890B1 (en) * 1999-02-26 2001-01-30 Donaldson Company, Inc. Air cleaner having sealing arrangement between media arrangement and housing
US6190432B1 (en) * 1999-02-26 2001-02-20 Donaldson Company, Inc. Filter arrangement; sealing system; and methods
WO2002098540A1 (fr) * 2001-06-06 2002-12-12 Donaldson Company, Inc. Element de filtre a collerette

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4498989A (en) * 1981-02-23 1985-02-12 Nippondenso Co., Ltd. Fluid filter element and support
US5484466A (en) * 1994-02-14 1996-01-16 Baldwin Filters, Inc. Air filter element with radial seal sealing gasket
US6179890B1 (en) * 1999-02-26 2001-01-30 Donaldson Company, Inc. Air cleaner having sealing arrangement between media arrangement and housing
US6190432B1 (en) * 1999-02-26 2001-02-20 Donaldson Company, Inc. Filter arrangement; sealing system; and methods
WO2002098540A1 (fr) * 2001-06-06 2002-12-12 Donaldson Company, Inc. Element de filtre a collerette

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010012827A1 (fr) * 2008-07-31 2010-02-04 Valeo Systemes De Controle Moteur Dispositif de filtration pour gaz d'echappement

Also Published As

Publication number Publication date
DE102005034596A1 (de) 2007-02-08

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