FR2451455A1 - Convertisseur catalytique pour vehicules automobiles - Google Patents

Convertisseur catalytique pour vehicules automobiles

Info

Publication number
FR2451455A1
FR2451455A1 FR7909388A FR7909388A FR2451455A1 FR 2451455 A1 FR2451455 A1 FR 2451455A1 FR 7909388 A FR7909388 A FR 7909388A FR 7909388 A FR7909388 A FR 7909388A FR 2451455 A1 FR2451455 A1 FR 2451455A1
Authority
FR
France
Prior art keywords
engine
casing
space requirements
concentric cylindrical
cylindrical construction
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Withdrawn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
FR7909388A
Other languages
English (en)
Inventor
Roland Barraud
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.)
EXFIN SA
Original Assignee
EXFIN SA
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 EXFIN SA filed Critical EXFIN SA
Publication of FR2451455A1 publication Critical patent/FR2451455A1/fr
Withdrawn legal-status Critical Current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
    • F01N3/2846—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration specially adapted for granular supports, e.g. pellets
    • 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
    • F01N13/14—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 thermal insulation
    • 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
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/02—Mineral wool, e.g. glass wool, rock wool, asbestos or the like
    • 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
    • F01N2450/04—Filling or emptying a chamber with granular material

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)

Abstract

LE CONVERTISSEUR CATALYTIQUE POUR VEHICULES AUTOMOBILES EST FORME D'UNE ENVELOPPE TUBULAIRE 12, ESSENTIELLEMENT CYLINDRIQUE, RELIEE A UN RACCORD TUBULAIRE D'ENTREE 16 ET A UN RACCORD TUBULAIRE DE SORTIE 18 COAXIAUX, ET D'UN RECIPIENT TUBULAIRE 12 ET COMPRENANT UN TUBE PERFORE EXTERIEUR 44 ET UN TUBE PERFORE INTERIEUR 66 COAXIAUX ET DELIMITANT UN ESPACE ANNULAIRE 68 CONTENANT UN MATERIAU CATALYTIQUE GRANULE 70; LES EXTREMITES D'ENTREE 48, 78 DU TUBE PERFORE EXTERIEUR 44 ET DU TUBE PERFORE INTERIEUR 66 PEUVENT COULISSER AXIALEMENT L'UNE PAR RAPPORT A L'AUTRE SOUS L'EFFET DES DILATATIONS THERMIQUES. LE CONVERTISSEUR PEUT ETRE FABRIQUE DE MANIERE SIMPLE ET ECONOMIQUE ET PRESENTE UN ENCOMBREMENT REDUIT.
FR7909388A 1979-03-14 1979-04-05 Convertisseur catalytique pour vehicules automobiles Withdrawn FR2451455A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH241379 1979-03-14

Publications (1)

Publication Number Publication Date
FR2451455A1 true FR2451455A1 (fr) 1980-10-10

Family

ID=4233215

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7909388A Withdrawn FR2451455A1 (fr) 1979-03-14 1979-04-05 Convertisseur catalytique pour vehicules automobiles

Country Status (2)

Country Link
FR (1) FR2451455A1 (fr)
IT (1) IT1128352B (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2046125A1 (de) * 1969-09-18 1971-04-22 Universal Oll Products Company, Des Piaines, Ul (VStA) Katalytisch arbeitender Konverter zur Abgasverbrennung und dessen Anwen dung
US3989471A (en) * 1975-04-14 1976-11-02 Tenneco Inc. Radial flow catalytic converter having thermal expansion compensating means
US4124357A (en) * 1977-04-28 1978-11-07 Toyota Jidosha Kogyo Kabushiki Kaisha Catalytic converter of a radial flow type

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2046125A1 (de) * 1969-09-18 1971-04-22 Universal Oll Products Company, Des Piaines, Ul (VStA) Katalytisch arbeitender Konverter zur Abgasverbrennung und dessen Anwen dung
US3989471A (en) * 1975-04-14 1976-11-02 Tenneco Inc. Radial flow catalytic converter having thermal expansion compensating means
US4124357A (en) * 1977-04-28 1978-11-07 Toyota Jidosha Kogyo Kabushiki Kaisha Catalytic converter of a radial flow type

Also Published As

Publication number Publication date
IT8067005A0 (it) 1980-01-04
IT1128352B (it) 1986-05-28

Similar Documents

Publication Publication Date Title
NO159518C (no) Filtreringsapparat, saerlig for avgasser.
DK559884A (da) Apparat til gennemfoerelse af exotherme, katalytiske gasreaktioner iammoniak- eller methanolsyntesen
GB1406076A (en) Vertical-flow catalytic muffler
ES464328A1 (es) Perfeccionamientos introducidos en una cabeza de inyeccion para introducir una corriente de gas cargado de abrasivo en una tuberia a limpiar.
GB1159549A (en) Device for Treating Exhaust Gases
ATE16307T1 (de) Digitaler fluidstrom-steuerungsapparat.
JPS54152710A (en) Catalyst converter
GB952757A (en) Apparatus for the conversion of waste gases
GB1446553A (en) Mufflers
FR2451455A1 (fr) Convertisseur catalytique pour vehicules automobiles
GB1426452A (en) Catalytic converter
GB1287815A (fr)
FR2378176A1 (fr) Conduit insonorise, en particulier pour echappement de moteurs thermiques
FR2213799A1 (en) Catalytic combustion of radiolysed gases - in a steam-gas mixture from a nuclear power plant
JPS5346474A (en) Catalytic cleaning apparatus for exhaust gas
ES264795U (es) "un dispositivo silenciador de absorcion con una o varias camaras dispuestas en una caja y rellenas con un material de absorcion".
SE8102050L (sv) Gastvettare
JPS55164714A (en) Catalytic converter
GB989345A (en) Improvements in or relating to mufflers or silencers for the exhaust gases of internal combustion engines
JPS54114852A (en) Heat exchange and contact reactor
GB848106A (en) Improvements in or relating to heat exchangers
FR2270444A1 (en) Catalytic exhaust converter for I.C. engine - has annular conical catalyst space with end caps inclined to inlet flow
GB1208906A (en) Improvements in and relating to reaction towers
GB1364100A (en) Gas silnencer
JPH0178218U (fr)

Legal Events

Date Code Title Description
ST Notification of lapse