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DE69122321D1 - Heizelement mit einstellbarem Widerstand, katalytischer Konverter und Verfahren zur Steuerung der Abgasemissionen - Google Patents

Heizelement mit einstellbarem Widerstand, katalytischer Konverter und Verfahren zur Steuerung der Abgasemissionen

Info

Publication number
DE69122321D1
DE69122321D1 DE69122321T DE69122321T DE69122321D1 DE 69122321 D1 DE69122321 D1 DE 69122321D1 DE 69122321 T DE69122321 T DE 69122321T DE 69122321 T DE69122321 T DE 69122321T DE 69122321 D1 DE69122321 D1 DE 69122321D1
Authority
DE
Germany
Prior art keywords
heating element
catalytic converter
resistance heating
adjustable resistance
exhaust emissions
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.)
Expired - Fee Related
Application number
DE69122321T
Other languages
English (en)
Other versions
DE69122321T2 (de
Inventor
Fumio Abe
Takashi Harada
Hiroshige Mizuno
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.)
NGK Insulators Ltd
Original Assignee
NGK Insulators 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26497663&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69122321(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP2176943A external-priority patent/JP2843426B2/ja
Priority claimed from JP2176942A external-priority patent/JP3034913B2/ja
Application filed by NGK Insulators Ltd filed Critical NGK Insulators Ltd
Publication of DE69122321D1 publication Critical patent/DE69122321D1/de
Application granted granted Critical
Publication of DE69122321T2 publication Critical patent/DE69122321T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • 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
    • F01N3/18—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 methods of operation; Control
    • F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
    • F01N3/2026—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means directly electrifying the catalyst substrate, i.e. heating the electrically conductive catalyst substrate by joule effect
    • 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
    • F01N3/18—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 methods of operation; Control
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/10—Oxidants
    • 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
    • F01N3/30—Arrangements for supply of additional air
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
DE69122321T 1990-07-04 1991-07-01 Heizelement mit einstellbarem Widerstand, katalytischer Konverter und Verfahren zur Steuerung der Abgasemissionen Expired - Fee Related DE69122321T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2176943A JP2843426B2 (ja) 1990-07-04 1990-07-04 触媒コンバーターの操作方法
JP2176942A JP3034913B2 (ja) 1990-07-04 1990-07-04 触媒コンバーターの操作方法

Publications (2)

Publication Number Publication Date
DE69122321D1 true DE69122321D1 (de) 1996-10-31
DE69122321T2 DE69122321T2 (de) 1997-03-06

Family

ID=26497663

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69122321T Expired - Fee Related DE69122321T2 (de) 1990-07-04 1991-07-01 Heizelement mit einstellbarem Widerstand, katalytischer Konverter und Verfahren zur Steuerung der Abgasemissionen
DE69132576T Revoked DE69132576T2 (de) 1990-07-04 1991-07-01 Betrieb eines katalytischen Konverters

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69132576T Revoked DE69132576T2 (de) 1990-07-04 1991-07-01 Betrieb eines katalytischen Konverters

Country Status (5)

Country Link
EP (2) EP0717178B1 (de)
AU (2) AU651352B2 (de)
CA (1) CA2045812C (de)
DE (2) DE69122321T2 (de)
ES (1) ES2157282T3 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3196044B2 (ja) * 1992-09-30 2001-08-06 株式会社日本ケミカル・プラント・コンサルタント 気体加熱装置
JP3506747B2 (ja) * 1992-12-15 2004-03-15 日本碍子株式会社 ハニカムヒーター
US5866230A (en) * 1993-01-11 1999-02-02 Emitec Gesellschaft Fuer Emissionstechnologie Gmbh Extruded honeycomb body of ceramic and/or metallic material with increased flexibility
DE4341380A1 (de) * 1993-12-04 1995-06-14 Degussa Verfahren zur Beschleunigung der Aufheizung von Feststoffkatalysatoren durch Zufuhr von Hilfsenergie
JPH07166846A (ja) * 1993-12-14 1995-06-27 Ngk Insulators Ltd ハニカムヒーター
JP3210508B2 (ja) * 1993-12-14 2001-09-17 日本碍子株式会社 ハニカムヒーター
JPH07163888A (ja) * 1993-12-14 1995-06-27 Ngk Insulators Ltd ハニカムヒーター
EP0718480A1 (de) 1994-11-25 1996-06-26 Société Anonyme dite: REGIE NATIONALE DES USINES RENAULT Abgasanlage für Brennkraftmaschine
JP3345222B2 (ja) * 1995-07-21 2002-11-18 日本碍子株式会社 通電発熱用ハニカム体およびハニカムユニット
JPH09103684A (ja) * 1995-10-13 1997-04-22 Ngk Insulators Ltd 並列発熱型ハニカムヒーター
FR2771778B1 (fr) 1997-11-28 2000-01-14 Renault Procede de commande d'un moteur a injection directe et allumage commande

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4847479A (de) * 1971-10-20 1973-07-05
DE2333092A1 (de) * 1973-06-29 1975-01-16 Volkswagenwerk Ag Abgasreinigungsanlage
US3956614A (en) * 1975-04-21 1976-05-11 Universal Oil Products Company Electric current distribution means for a ceramic type of electrical resistance heater element
US4264888A (en) * 1979-05-04 1981-04-28 Texas Instruments Incorporated Multipassage resistor and method of making
ATE40502T1 (de) * 1985-03-14 1989-02-15 Siemens Bauelemente Ohg Heizelement zum erwaermen von stroemenden, insbesondere gasfoermigen medien.
JPH0540251Y2 (de) 1986-10-23 1993-10-13
US4758272A (en) * 1987-05-27 1988-07-19 Corning Glass Works Porous metal bodies
DE8816514U1 (de) * 1988-04-25 1989-10-26 Emitec Gesellschaft für Emissionstechnologie mbH, 5204 Lohmar Elektrisch beheizbarer Katalysator-Trägerkörper
US4976929A (en) * 1988-05-20 1990-12-11 W. R. Grace & Co.-Conn. Electrically heated catalytic converter
DE69102808T3 (de) * 1990-04-12 2000-11-16 Ngk Insulators, Ltd. Heizgerät und Katalysatoreinrichtung.
JP2931362B2 (ja) * 1990-04-12 1999-08-09 日本碍子株式会社 抵抗調節型ヒーター及び触媒コンバーター

Also Published As

Publication number Publication date
AU6461794A (en) 1994-08-04
EP0717178A2 (de) 1996-06-19
EP0717178A3 (de) 1996-07-17
EP0465184B1 (de) 1996-09-25
CA2045812A1 (en) 1992-01-05
AU663653B2 (en) 1995-10-12
ES2157282T3 (es) 2001-08-16
EP0717178B1 (de) 2001-04-04
DE69132576T2 (de) 2001-10-18
AU8017791A (en) 1992-01-09
DE69132576D1 (de) 2001-05-10
DE69122321T2 (de) 1997-03-06
EP0465184A1 (de) 1992-01-08
AU651352B2 (en) 1994-07-21
CA2045812C (en) 1994-11-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee