ES2108841T3 - EXHAUST DEVICE FOR INTERNAL COMBUSTION ENGINE. - Google Patents

EXHAUST DEVICE FOR INTERNAL COMBUSTION ENGINE.

Info

Publication number
ES2108841T3
ES2108841T3 ES93402138T ES93402138T ES2108841T3 ES 2108841 T3 ES2108841 T3 ES 2108841T3 ES 93402138 T ES93402138 T ES 93402138T ES 93402138 T ES93402138 T ES 93402138T ES 2108841 T3 ES2108841 T3 ES 2108841T3
Authority
ES
Spain
Prior art keywords
monolith
gases
treatment
internal combustion
exhaust
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 - Lifetime
Application number
ES93402138T
Other languages
Spanish (es)
Inventor
Said Zidat
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.)
Renault SAS
Original Assignee
Renault SAS
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=9433201&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2108841(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Renault SAS filed Critical Renault SAS
Application granted granted Critical
Publication of ES2108841T3 publication Critical patent/ES2108841T3/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
    • F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
    • 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

Landscapes

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

Abstract

DISPOSITIVO DE ESCAPE PARA MOTOR DE COMBUSTION INTERNA PARA DEPURAR LOS GASES DE ESCAPE QUE INCLUYE UNA ENVOLTURA DESTINADA A SER EMPALMADA A LA LINEA DE ESCAPE DEL MOTOR Y QUE PRESENTA UN CUERPO CILINDRICO (2), UNOS EXTREMOS DE ENTRADA (3) Y DE SALIDA (4) TRONCOCONICOS RESPECTIVAMENTE DIVERGENTE Y CONVERGENTE, DICHA ENVOLTURA CONTIENE AL MENOS UN MONOLITO PARA EL TRATAMIENTO DE LOS GASES (8, 9) INCLUYENDO MULTIPLES CANALES DISPUESTOS LONGITUDINALMENTE Y REVESTIDO POR SUSTANCIAS CATALITICAS, CARACTERIZADO EN QUE UNOS MEDIOS DIFUSORES (7, 10) ESTAN DISPUESTOS POR ENCIMA DEL MONOLITO DE TRATAMIENTO (8, 9) EN EL SENTIDO DE LA CIRCULACION DE LOS GASES PARA ASEGURAR LA DISTRIBUCION DE LOS GASES DE ESCAPE SOBRE LA TOTALIDAD DE LA SECCION TRANSVERSAL DEL MONOLITO (8, 9) DICHOS MEDIOS DIFUSORES ESTAN CONSTITUIDOS POR UN MONOLITO (7) DE DIMENSION AXIAL REDUCIDA EN RELACION A LA DIMENSION AXIAL DEL MONOLITO DE TRATAMIENTO (8, 9) Y POR UNA CAVIDAD LIBRE ADYACENTE (10) QUE SE EXTIENDE ENTRE ESTE ULTIMOY DICHO MONOLITO (8, 9).EXHAUST DEVICE FOR INTERNAL COMBUSTION ENGINE TO TREAT EXHAUST GASES WHICH INCLUDES A WRAP INTENDED TO BE SPAMPED TO THE EXHAUST LINE OF THE ENGINE AND WHICH PRESENTS A CYLINDRICAL BODY (2), A few INLET END (3) AND 4) RESPECTIVELY DIVERGENT AND CONVERGING TRUNKS, SUCH A WRAP CONTAINS AT LEAST ONE MONOLITH FOR THE TREATMENT OF GASES (8, 9) INCLUDING MULTIPLE CHANNELS DISPOSED LONGITUDINALLY, DURABLE, CATALYTIC, 10-CHAIN SUBSTANCES, ABOVE THE TREATMENT MONOLITH (8, 9) IN THE DIRECTION OF THE CIRCULATION OF GASES TO ENSURE THE DISTRIBUTION OF EXHAUST GAS OVER THE ENTIRETY OF THE MONOLITH CROSS SECTION (8, 9) SUCH DIFFUSING MEDIA ARE CONSTITUTED BY A REDUCED AXIAL DIMENSION MONOLITH (7) IN RELATION TO THE TREATMENT MONOLITH AXIAL DIMENSION (8, 9) AND BY AN ADJACENT FREE CAVITY (10) THAT EXTENDS BETWEEN THIS U LAST SAID MONOLITH (8, 9).

ES93402138T 1992-09-04 1993-09-02 EXHAUST DEVICE FOR INTERNAL COMBUSTION ENGINE. Expired - Lifetime ES2108841T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9210554A FR2695431B1 (en) 1992-09-04 1992-09-04 Exhaust device for internal combustion engine.

Publications (1)

Publication Number Publication Date
ES2108841T3 true ES2108841T3 (en) 1998-01-01

Family

ID=9433201

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93402138T Expired - Lifetime ES2108841T3 (en) 1992-09-04 1993-09-02 EXHAUST DEVICE FOR INTERNAL COMBUSTION ENGINE.

Country Status (4)

Country Link
EP (1) EP0592258B1 (en)
DE (1) DE69315034T2 (en)
ES (1) ES2108841T3 (en)
FR (1) FR2695431B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072471A (en) * 1974-05-28 1978-02-07 Mobil Oil Corporation Catalytic converter for removing noxious components from a gaseous stream
DE2428964A1 (en) * 1974-06-15 1976-01-02 Bosch Gmbh Robert Reactor insert for exhaust gas detoxification - with conically tapering inlet end
DE3760312D1 (en) * 1986-08-07 1989-08-17 Leistritz Ag Exhaust gas cleaning device

Also Published As

Publication number Publication date
FR2695431A1 (en) 1994-03-11
EP0592258A1 (en) 1994-04-13
FR2695431B1 (en) 1994-10-14
DE69315034T2 (en) 1998-04-23
EP0592258B1 (en) 1997-11-05
DE69315034D1 (en) 1997-12-11

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