DE102004015698A1 - particulate Filter - Google Patents

particulate Filter Download PDF

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Publication number
DE102004015698A1
DE102004015698A1 DE102004015698A DE102004015698A DE102004015698A1 DE 102004015698 A1 DE102004015698 A1 DE 102004015698A1 DE 102004015698 A DE102004015698 A DE 102004015698A DE 102004015698 A DE102004015698 A DE 102004015698A DE 102004015698 A1 DE102004015698 A1 DE 102004015698A1
Authority
DE
Germany
Prior art keywords
filter
walls
chamber
lying
face
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Withdrawn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
DE102004015698A
Other languages
German (de)
Inventor
Karl-Heinz Effenberger
Wolfgang Maurischat
Klaus Prescha
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.)
Robert Bosch GmbH
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
Priority to DE102004015698A priority Critical patent/DE102004015698A1/en
Priority to PCT/EP2005/051315 priority patent/WO2005093231A1/en
Publication of DE102004015698A1 publication Critical patent/DE102004015698A1/en
Withdrawn legal-status Critical Current

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
    • B01D46/52—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
    • 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
    • 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
    • F01N3/02—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
    • F01N3/022—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 characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/10—Multiple layers
    • B01D2275/105—Wound layers
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/12—Metallic wire mesh fabric or knitting
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/14—Sintered material
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/40—Retrofitting exhaust apparatus
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/18—Structure or shape of gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of apparatus
    • 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

Landscapes

  • 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)
  • Filtering Materials (AREA)

Abstract

Partikelfilter zur Reinigung von Abgasen aus Brennkraftmaschinen, mit einem Filterkörper (4), der aus wenigstens einer spiralförmig um eine Längsachse (19) des Filterkörpers (4) gewickelten Filterbahn (18) besteht, die in radialer Richtung beabstandete Filterwände (21, 22, 24, 26) bildet, welche einen, in Strömungsrichtung gesehen, vor den Filterwänden (21, 22, 24, 26) liegenden ersten Filterraum (23) von einem hinter den Filterwänden (21, 22, 24, 26) liegenden zweiten Filterraum (27) trennen, wobei der erste Filterraum (23) zu einer einströmseitigen, ersten Stirnseite (12) des Filterkörpers (4) hin geöffnet und zu einer ausströmseitigen, zweiten Stirnseite (13) des Filterkörpers (4) hin geschlossen ist, dadurch gekennzeichnet, dass ein radialer Abstand (A) zwischen den radial begrenzenden Filterwänden (22, 24; 24, 26) eines der Filterräume (23, 27) im Bereich einer der Stirnseiten (12, 13) größer ist als ein radialer Abstand (a) zwischen den radial begrenzenden Filterwänden (24, 26; 22, 24) des anderen Filterraums (27, 23).Particulate filter for purifying exhaust gases from internal combustion engines, comprising a filter body (4) consisting of at least one filter web (18) wound spirally about a longitudinal axis (19) of the filter body (4), the filter walls (21, 22, 24) spaced apart in the radial direction , 26), which, viewed in the flow direction, in front of the filter walls (21, 22, 24, 26) lying first filter chamber (23) of a behind the filter walls (21, 22, 24, 26) lying second filter chamber (27) separating, wherein the first filter chamber (23) to an inflow-side, first end face (12) of the filter body (4) towards open and closed to a downstream, second end face (13) of the filter body (4), characterized in that a radial Distance (A) between the radially delimiting filter walls (22, 24, 24, 26) of one of the filter chambers (23, 27) in the region of one of the end faces (12, 13) is greater than a radial distance (a) between the radially limiting filter walls (24, 26, 22, 24) of the other filter space (27, 23).

DE102004015698A 2004-03-29 2004-03-29 particulate Filter Withdrawn DE102004015698A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE102004015698A DE102004015698A1 (en) 2004-03-29 2004-03-29 particulate Filter
PCT/EP2005/051315 WO2005093231A1 (en) 2004-03-29 2005-03-22 Particle filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004015698A DE102004015698A1 (en) 2004-03-29 2004-03-29 particulate Filter

Publications (1)

Publication Number Publication Date
DE102004015698A1 true DE102004015698A1 (en) 2005-10-20

Family

ID=34964302

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102004015698A Withdrawn DE102004015698A1 (en) 2004-03-29 2004-03-29 particulate Filter

Country Status (2)

Country Link
DE (1) DE102004015698A1 (en)
WO (1) WO2005093231A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0225402A1 (en) * 1985-11-05 1987-06-16 Nippondenso Co., Ltd. Porous ceramic structure
JP3456433B2 (en) * 1999-02-01 2003-10-14 トヨタ自動車株式会社 Manufacturing method of particulate filter
US7211226B2 (en) * 2000-03-09 2007-05-01 Fleetgaurd, Inc. Catalyst and filter combination
DE10223452A1 (en) * 2002-05-25 2003-12-04 Hjs Fahrzeugtechnik Gmbh & Co Particle filter operating by means of soot combustion and used in diesel engines comprises filtering surface made from sintered metal between crude gas side and pure gas side

Also Published As

Publication number Publication date
WO2005093231A1 (en) 2005-10-06

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Legal Events

Date Code Title Description
R005 Application deemed withdrawn due to failure to request examination

Effective date: 20110330