BE1002078A6 - Dispositif d'echappement des produits de combustion de moteurs deux temps. - Google Patents

Dispositif d'echappement des produits de combustion de moteurs deux temps. Download PDF

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Publication number
BE1002078A6
BE1002078A6 BE8800762A BE8800762A BE1002078A6 BE 1002078 A6 BE1002078 A6 BE 1002078A6 BE 8800762 A BE8800762 A BE 8800762A BE 8800762 A BE8800762 A BE 8800762A BE 1002078 A6 BE1002078 A6 BE 1002078A6
Authority
BE
Belgium
Prior art keywords
combustion products
stroke engines
wall
exhausting combustion
chamber
Prior art date
Application number
BE8800762A
Other languages
English (en)
Inventor
Franz Laimboeck
Original Assignee
Piaggio & C Spa
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 Piaggio & C Spa filed Critical Piaggio & C Spa
Application granted granted Critical
Publication of BE1002078A6 publication Critical patent/BE1002078A6/fr

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
    • 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
    • F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
    • F01N3/2885—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices with exhaust silencers 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
    • F01N2230/00—Combination of silencers and other devices
    • F01N2230/04—Catalytic converters

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)
  • Exhaust Silencers (AREA)

Abstract

Dispositif d'échappement des produits de combustion de moteurs deux temps, qui comporte un catalyseur et dans lequel le coude d'échappement est raccordé à une chambre cylindrique séparée d'un amortisseur de bruit par une paroi de rétrodiffusion, le catalyseur (8) étant agencé à l'intérieur de la chambre (3) et maintenu dans un tube de sortie (7), qui est orienté depuis la paroi de rétrodiffusion (5) en direction du coude d'échappement (5), de manière à faire saillie librement, de préférence de façon équiaxe, dans une position identiquement largement éloignée de tous les côtés de la paroi de la chambre (3).
BE8800762A 1988-07-08 1988-07-01 Dispositif d'echappement des produits de combustion de moteurs deux temps. BE1002078A6 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8808796U DE8808796U1 (de) 1988-07-08 1988-07-08 Auspuffanlage der Verbrennungsprodukte mit Katalysator für Zweitaktmotoren

Publications (1)

Publication Number Publication Date
BE1002078A6 true BE1002078A6 (fr) 1990-06-19

Family

ID=6825799

Family Applications (1)

Application Number Title Priority Date Filing Date
BE8800762A BE1002078A6 (fr) 1988-07-08 1988-07-01 Dispositif d'echappement des produits de combustion de moteurs deux temps.

Country Status (6)

Country Link
BE (1) BE1002078A6 (fr)
CH (1) CH676278A5 (fr)
DE (1) DE8808796U1 (fr)
FR (1) FR2633664B3 (fr)
GB (1) GB2220150A (fr)
NL (1) NL8801672A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATA133189A (de) * 1989-06-01 1994-09-15 Laimboeck Franz Auspuffanlage für zweitakt-brennkraftmaschinen
AT396170B (de) * 1989-06-01 1993-06-25 Laimboeck Franz Auspuffanlage fuer zweitakt-brennkraftmaschinen
DE9011403U1 (de) * 1990-08-04 1990-11-08 PROTERRA Umwelttechnik oHG Hilgers & Hilgers, 5227 Windeck Katalysator zum Einbau in Auspuffanlagen von Zweiradfahrzeugen mit Verbrennungsmotor
US5635141A (en) * 1992-03-17 1997-06-03 E. I. Du Pont De Nemours And Company Radial flow exhaust catalytic converter
FR2775497B1 (fr) * 1998-02-27 2000-05-05 Inst Francais Du Petrole Nouvel element catalytique destine au traitement des gaz d'echappement d'un moteur a combustion interne
US7384609B2 (en) 2003-01-29 2008-06-10 Brp-Rotax Gmbh & Co. Kg Pre-converter device for cleaning exhaust gas for an internal combustion engine
DE112005001774A5 (de) * 2004-08-09 2008-06-26 Avl List Gmbh Brennkraftmaschine
AT501402B1 (de) * 2004-08-19 2007-07-15 Avl List Gmbh Auspuffanlage für eine brennkraftmaschine
IT201700061755A1 (it) * 2017-06-06 2018-12-06 Vins S R L Motore termico a combustione interna a due tempi con catalizzatore allo scarico

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB794915A (en) * 1954-05-06 1958-05-14 Kellogg M W Co Method and apparatus for catalytic processes
NL111862C (fr) * 1959-07-31
GB920679A (en) * 1961-07-28 1963-03-13 Oxy Catalyst Inc Improvements in or relating to catalytic exhaust purifiers for engines operating on gasoline
JPS53110617U (fr) * 1977-02-09 1978-09-04
SE8004632L (sv) * 1979-06-29 1980-12-30 Johnson Matthey Co Ltd Forbrenningsmotor med avgasrenare samt forfarande for avgasrening
GB2122914B (en) * 1979-06-29 1984-06-13 Johnson Matthey Plc Process for oxidising particles in diesel exhaust
SE8102023L (sv) * 1980-03-31 1981-10-01 Johnson Matthey Co Ltd Turbooverladdad forbrenningsmotor
EP0070619A3 (fr) * 1981-07-16 1984-01-04 Johnson Matthey, Inc., Régénération de dispositifs de traitement de gaz d'échappement de moteur Diesel

Also Published As

Publication number Publication date
NL8801672A (nl) 1990-02-01
CH676278A5 (fr) 1990-12-28
DE8808796U1 (de) 1988-09-29
GB2220150A (en) 1990-01-04
FR2633664A3 (fr) 1990-01-05
GB8815657D0 (en) 1988-08-10
FR2633664B3 (fr) 1990-06-08

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: PIAGGIO VEICOLI EUROPEI S.P.A.

Effective date: 19940701