EP1120551A3 - Process and arrangement for fixing a catalyst carrier in an exhaust gas duct of an internal combustion engine - Google Patents

Process and arrangement for fixing a catalyst carrier in an exhaust gas duct of an internal combustion engine Download PDF

Info

Publication number
EP1120551A3
EP1120551A3 EP01101528A EP01101528A EP1120551A3 EP 1120551 A3 EP1120551 A3 EP 1120551A3 EP 01101528 A EP01101528 A EP 01101528A EP 01101528 A EP01101528 A EP 01101528A EP 1120551 A3 EP1120551 A3 EP 1120551A3
Authority
EP
European Patent Office
Prior art keywords
arrangement
fixing
exhaust gas
combustion engine
internal combustion
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.)
Granted
Application number
EP01101528A
Other languages
German (de)
French (fr)
Other versions
EP1120551B1 (en
EP1120551A2 (en
Inventor
Wolfgang Held
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Publication of EP1120551A2 publication Critical patent/EP1120551A2/en
Publication of EP1120551A3 publication Critical patent/EP1120551A3/en
Application granted granted Critical
Publication of EP1120551B1 publication Critical patent/EP1120551B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F01N3/2857—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 the mats or gaskets being at least partially made of intumescent material, e.g. unexpanded vermiculite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)

Abstract

The method involves expanding a mat (16) between the catalyst support (12) and a catalyst casing (14), by heating. An electric current is used to generate the heat to expand the mat. The heating may be carried out inductively, using an induction oven, or directly, by passing electric current (I) through a part of the catalyst casing. Preferably, the current is passed before inserting the catalyst casing in the exhaust channel. An Independent claim is included for an arrangement for implementing the method.
EP01101528A 2000-01-29 2001-01-24 Process and arrangement for fixing a catalyst carrier in an exhaust gas duct of an internal combustion engine Expired - Lifetime EP1120551B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10003904 2000-01-29
DE10003904A DE10003904A1 (en) 2000-01-29 2000-01-29 Method and arrangement for locking a catalyst carrier in an exhaust gas duct of an internal combustion engine

Publications (3)

Publication Number Publication Date
EP1120551A2 EP1120551A2 (en) 2001-08-01
EP1120551A3 true EP1120551A3 (en) 2004-01-14
EP1120551B1 EP1120551B1 (en) 2007-03-21

Family

ID=7629172

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01101528A Expired - Lifetime EP1120551B1 (en) 2000-01-29 2001-01-24 Process and arrangement for fixing a catalyst carrier in an exhaust gas duct of an internal combustion engine

Country Status (3)

Country Link
EP (1) EP1120551B1 (en)
AT (1) ATE357584T1 (en)
DE (2) DE10003904A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10250345A1 (en) * 2002-10-29 2004-05-13 Volkswagen Ag Vehicle fuel cell arrangement has stack of high temperature fuel cells in housing, supported relative to housing by dilating mat, with both axial ends of stack being supported relative to housing by dilation mats
CN107387213A (en) * 2017-08-08 2017-11-24 浙江锋锐发动机有限公司 Exhaust gas treatment device catalyst warm-up system
CN108180061A (en) * 2017-12-27 2018-06-19 广西玉柴机器股份有限公司 Catalyst converter electric heater unit
FR3098856A1 (en) 2019-07-17 2021-01-22 Faurecia Systemes D'echappement Device for purifying vehicle exhaust gases

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0429246A1 (en) * 1989-11-15 1991-05-29 W.R. Grace & Co.-Conn. Low temperature expandable vermiculite and intumescent sheet material containing same
WO1993007366A1 (en) * 1991-10-04 1993-04-15 Leistritz Ag & Co Abgastechnik Device for reducing the level of pollutants in exhaust emissions, in particular vehicle exhaust emissions
US5569455A (en) * 1992-06-10 1996-10-29 Shimadzu Corporation Exhaust gas catalytic purifier construction

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998035144A1 (en) * 1997-02-06 1998-08-13 Minnesota Mining And Manufacturing Company Multilayer intumescent sheet

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0429246A1 (en) * 1989-11-15 1991-05-29 W.R. Grace & Co.-Conn. Low temperature expandable vermiculite and intumescent sheet material containing same
WO1993007366A1 (en) * 1991-10-04 1993-04-15 Leistritz Ag & Co Abgastechnik Device for reducing the level of pollutants in exhaust emissions, in particular vehicle exhaust emissions
US5569455A (en) * 1992-06-10 1996-10-29 Shimadzu Corporation Exhaust gas catalytic purifier construction

Also Published As

Publication number Publication date
DE50112211D1 (en) 2007-05-03
ATE357584T1 (en) 2007-04-15
EP1120551B1 (en) 2007-03-21
EP1120551A2 (en) 2001-08-01
DE10003904A1 (en) 2001-08-02

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