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DE699827T1 - Dieselpartikelfiltervorrichtung - Google Patents

Dieselpartikelfiltervorrichtung

Info

Publication number
DE699827T1
DE699827T1 DE0699827T DE95305996T DE699827T1 DE 699827 T1 DE699827 T1 DE 699827T1 DE 0699827 T DE0699827 T DE 0699827T DE 95305996 T DE95305996 T DE 95305996T DE 699827 T1 DE699827 T1 DE 699827T1
Authority
DE
Germany
Prior art keywords
filter
diesel particulate
main
main filter
sub
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.)
Pending
Application number
DE0699827T
Other languages
English (en)
Inventor
Hideo Kawamura
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.)
Isuzu Ceramics Research Institute Co Ltd
Original Assignee
Isuzu Ceramics Research Institute Co Ltd
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
Priority claimed from JP6226109A external-priority patent/JPH0868310A/ja
Priority claimed from JP6226110A external-priority patent/JPH0868313A/ja
Application filed by Isuzu Ceramics Research Institute Co Ltd filed Critical Isuzu Ceramics Research Institute Co Ltd
Publication of DE699827T1 publication Critical patent/DE699827T1/de
Pending 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
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/44—Auxiliary equipment or operation thereof controlling filtration
    • B01D46/442—Auxiliary equipment or operation thereof controlling filtration by measuring the concentration of particles
    • 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
    • B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
    • B01D46/0087—Bypass or safety valves
    • 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
    • B01D46/2418—Honeycomb filters
    • 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
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/80—Chemical processes for the removal of the retained particles, e.g. by burning
    • B01D46/84—Chemical processes for the removal of the retained particles, e.g. by burning by heating only
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • 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
    • F01N3/0226—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 the structure being fibrous
    • 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
    • F01N3/023—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 using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/027—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 using means for regenerating the filters, e.g. by burning trapped particles using electric or magnetic heating means
    • 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
    • F01N3/031—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 having means for by-passing filters, e.g. when clogged or during cold engine start
    • 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
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
    • 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
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2455—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure of the whole honeycomb or segments
    • 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
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2478—Structures comprising honeycomb segments
    • 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
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2486—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure characterised by the shapes or configurations
    • B01D46/2496—Circular
    • 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
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/36—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an exhaust flap
    • 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
    • F01N2330/06—Ceramic, e.g. monoliths
    • 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
    • F01N2330/10—Fibrous material, e.g. mineral or metallic wool
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/05—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a particulate sensor
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/12—Other sensor principles, e.g. using electro conductivity of substrate or radio frequency
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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
    • Y02T10/40—Engine management systems
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/30—Exhaust treatment

Landscapes

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

Claims (13)

WESTPHAL ^ MUSSGNUS . & .PARTNER PATENTANWÄLTE· EUROPEAN PATENT ATTORNEYS EP 95305996.1 Veröffentlichungs-Nr. 0 699 827 ISUZU CERAMICS RESEARCH INSTITUTE CO.,LTD, u.Z.:pag720 ANSPRÜCHE
1. Diesel-Teilchenfiltervorrichtung, welche aufweist:
ein Hauptfilter (1) mit einer großen Teilchensammelkapazität, das in eine Abgasleitung (22) in einem Dieselmotor eingebaut ist;
ein Unterfilter (2) mit einer kleinen Teilchensammeikapazität, das parallel zum Hauptfilter (1) angeordnet und in die Abgasleitung (22) eingebaut ist;
ein Ventil (5) zur Steuerung einer Abgasströmung zum Hauptfilter (1) und ein Ventil (9) zur Steuerung einer Abgasströmung zum Unterfilter (2);
am Hauptfilter (1) und am Unterfilter (2) vorgesehene Heizelemente (6) zum Verbrennen von im Hauptfilter (1) und im Unterfilter (2) gesammelten Teilchen;
einen Teilchenansammlungssensor (8) zur Erfassung
der Menge von im Hauptfilter (1) angesammelten Teilchen; und
eine Steuereinrichtung (10) zum Steuern der Ventile
(5,9) und der Heizelemente (6) in Abhängigkeit von einem Erfassungssignal vom Teilchenansammlungssensor (8).
2. Diesel-Teilchenfiltervorrichtung nach Anspruch 1, bei welcher die das Hauptfilter (1) und das Unterfilter (2) bildenden Filterkörper (3) jeweils aus zufällig geschichteten keramischen Langfasern bestehen.
Westphal · Mussgnug & Partner
D-78048 VS-Villingen · Waldstrasse 33 ■ Telefon +7721 56007 · Telefax +7721 55614
&udiagr;€99 827
3. Diesel-Teilchenfiltervorrichtung nach Anspruch 1 oder 2, bei welcher das ünterfilter (2) in eine im Hauptfilter (1) ausgebildete Bypassleitung (4) eingebaut ist und die Ventile aus einem Öffnungs-Schiießventil (5), das die Hauptleitung (12) für das Hauptfilter (1) öffnet und schließt, und einem Bypassventil (9) bestehen, das die Bypassleitung (4) öffnet und schließt.
4. Diesel-Teilchenfiltervorrichtung nach einem der Ansprüche 1 bis 3, bei welcher die Heizelemente (6) jeweils an den Oberflächen des Hauptfilters (l) und des Unterfilters (2) eingebaut sind.
5. Diesel-Teilchenfiltervorrichtung nach einem der Ansprüche 1 bis 4, bei welcher der Teilchenansammlungssensor (8) in die Abgasleitung (22) für das Hauptfilter (1) auf der Abgaseinlaßseite (15) eingebaut ist.
6. Diesel-Teilchenfiltervorrichtung nach einem der Ansprüche 1 bis 5, bei welcher die Steuereinrichtung (10) das Öffnungs-Schließventil (5), das Bypassventil (9) und die Heizelemente (6) in Abhängigkeit von Erfassungssignalen aus einem Temperatursensor (29) zur Erfassung der Temperatur des Hauptfilters (1) und aus dem Teilchenansammlungssensor (8) zum Veraschen gesammelter Teilchen steuert.
7. Diesel-Teilchenfiltervorrichtung nach einem der Ansprüche 1 bis 6, bei welcher der Teilchenansammlungssensor (8) ein Erfassungsfilter (25) mit nahezu der gleichen Ventilation je Volumeneinheit wie das Hauptfilter (1), Klemmen (26) eines am Ende des Erfassungsfilters (25) befestigten leitenden Metalls und einen Widerstandssensor zum Messen des Widerstandes zwischen den Klemmen
- 3 - 0693 827
(26) aufweist.
8. Diesel-Teilchenfiltervorrichtung nach Anspruch 7, bei welcher das Erfassungsfilter (25) aus porösem Keramikmaterial gebildet ist, das aus SiC oder ein Additiv, wie Ti und Ta, enthaltendem SiC besteht, und die Klemmenteile (26) des Erfassungsfilters (25) mit einem Metall, wie Cu, Cr und Ni, imprägniert sind.
9. Diesel-Teilchenfiltervorrichtung nach Anspruch 7, bei welcher das Erfassungsfilter (25) aus einem faserbeschichteten Material mit zufällig geschichteten langen Fasern aus SiC oder Ti und Ta enthaltendem SiC und einem Metallnetz (34) aus leitendem hitzebeständigem Stahl besteht, das auf die Oberfläche des Faserschichtmaterials aufgeschichtet ist, wobei die Drahtstäbe des Metallnetzes (34) aus leitendem hitzebeständigem Stahl bestehen und auf die Oberfläche des Faserschichtmaterials aufgeschichtet sind und die Drahtstäbe des Metallnetzes (34) zwischen den Klemmen (26) teilweise abgeschnitten sind.
10. Diesel-Teilchenfiltervorrichtung nach Anspruch 7, bei welcher das Erfassungsfilter (25) aus leitenden SiC-Fasern besteht und ein Metallnetz (34) aufweist, das so geformt ist, daß die Drahtstabdichte des Netzes sich zu den Enden hin erhöht, sowie Sensoren an den Enden des Netzes zum Messen des Netzwiderstandes.
11. Diesel-Teilchenfiltervorrichtung nach einem der Ansprüche 1 bis 10, bei welcher, wenn die Temperatur des Hauptfilters (1) hoch ist, eine Regenerierung des Hauptfilters (1) gestartet wird, auch wenn die vom Teilchenansammlungssensor (8) festgestellte Menge von angesam-
u€j3 827
-A-
melten Teilchen kleiner ist als die vorbestimmte Menge.
12. Diesel-Teilchenfiltervorrichtung nach einem der Ansprüche 1 bis 11, bei welcher, wenn die Temperatur des Hauptfilters (1) niedrig ist, eine Regenerierung des Hauptfilters (1) nur gestartet wird, wenn die vom Teilchenansammlungssensor (8) festgestellte Menge von angesammelten Teilchen gleich oder größer ist als die vorbestimmte Menge.
13. Diesel-Teilchenfiltervorrichtung nach einem der Ansprüche 1 bis 12, bei welcher das Hauptfilter (1) und das Unterfilter (2) aus einem zylindrischen Filter oder einem faltenbalgartigen zylindrischen Filter mit einem Metallnetz (6) besteht, das ein auf der Oberfläche jedes Filterkörpers (3) angeordnetes Heizelement bildet.
DE0699827T 1994-08-29 1995-08-29 Dieselpartikelfiltervorrichtung Pending DE699827T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6226109A JPH0868310A (ja) 1994-08-29 1994-08-29 ディーゼルパティキュレートフィルタ装置
JP6226110A JPH0868313A (ja) 1994-08-29 1994-08-29 ディーゼルパティキュレートフィルタの制御装置

Publications (1)

Publication Number Publication Date
DE699827T1 true DE699827T1 (de) 1996-10-24

Family

ID=26527000

Family Applications (2)

Application Number Title Priority Date Filing Date
DE0699827T Pending DE699827T1 (de) 1994-08-29 1995-08-29 Dieselpartikelfiltervorrichtung
DE69503203T Expired - Fee Related DE69503203T2 (de) 1994-08-29 1995-08-29 Dieselpartikelfiltervorrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69503203T Expired - Fee Related DE69503203T2 (de) 1994-08-29 1995-08-29 Dieselpartikelfiltervorrichtung

Country Status (3)

Country Link
US (1) US5651248A (de)
EP (1) EP0699827B1 (de)
DE (2) DE699827T1 (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2219537A1 (en) * 1996-10-22 1998-04-22 Masataka Oji Regenerative heater of diesel engine particulate trap and diesel engine particulate trap using the same heater
JP3952561B2 (ja) * 1997-11-19 2007-08-01 トヨタ自動車株式会社 内燃機関の排気浄化装置
JPH11182232A (ja) * 1997-12-19 1999-07-06 Sumitomo Electric Ind Ltd 排気ガス浄化装置及び操作方法
FR2778118B1 (fr) * 1998-04-29 2000-06-02 Inst Francais Du Petrole Procede et dispositif de regeneration locale et controlee d'un filtre a particules
US6045352A (en) * 1998-06-25 2000-04-04 Nicholson; Leroy E. Carbon monoxide automatic furnace shutdown system
JP4385417B2 (ja) * 1998-11-05 2009-12-16 いすゞ自動車株式会社 窒素酸化物除去装置
DE10102491C2 (de) * 2001-01-19 2003-04-17 Walter Hofmann Verfahren zum Betrieb einer Vorrichtung im Abgassystem eines Verbrennungsmotors zur Prüfung der Belastung des Abgasstroms mit Rußpartikeln, sowie diese Vorrichtung
FR2843548A1 (fr) * 2002-08-14 2004-02-20 Faurecia Sys Echappement Electrofiltre permettant de determiner l'instant de declenchement de sa regeneration
ITMI20032211A1 (it) * 2003-11-14 2005-05-15 Getters Spa Filtro antiparticolato per gas di scarico di motori diesel
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EP0699827A1 (de) 1996-03-06
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US5651248A (en) 1997-07-29
DE69503203D1 (de) 1998-08-06

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