DE69623296D1 - Schalldämpfer mit katalytischem konverter - Google Patents

Schalldämpfer mit katalytischem konverter

Info

Publication number
DE69623296D1
DE69623296D1 DE69623296T DE69623296T DE69623296D1 DE 69623296 D1 DE69623296 D1 DE 69623296D1 DE 69623296 T DE69623296 T DE 69623296T DE 69623296 T DE69623296 T DE 69623296T DE 69623296 D1 DE69623296 D1 DE 69623296D1
Authority
DE
Germany
Prior art keywords
silencer
catalytic converter
catalytic
converter
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
DE69623296T
Other languages
English (en)
Other versions
DE69623296T2 (de
Inventor
Egon Karlsson
Ulf Svensson
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.)
Husqvarna AB
Original Assignee
Electrolux AB
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 Electrolux AB filed Critical Electrolux AB
Publication of DE69623296D1 publication Critical patent/DE69623296D1/de
Application granted granted Critical
Publication of DE69623296T2 publication Critical patent/DE69623296T2/de
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
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1872—Construction facilitating manufacture, assembly, or disassembly the assembly using stamp-formed parts or otherwise deformed sheet-metal
    • F01N13/1877—Construction facilitating manufacture, assembly, or disassembly the assembly using stamp-formed parts or otherwise deformed sheet-metal the channels or tubes thereof being made integrally with the 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/083—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using transversal baffles defining a tortuous path for the gases or successively throttling gas flow
    • 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
    • F01N13/002—Apparatus adapted for particular uses, e.g. for portable devices driven by machines or engines
    • 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
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1872—Construction facilitating manufacture, assembly, or disassembly the assembly using stamp-formed parts or otherwise deformed sheet-metal
    • 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
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807—Metal other than sintered metal
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/22—Methods or apparatus for fitting, inserting or repairing different elements by welding or brazing
    • 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
    • F01N2450/24—Methods or apparatus for fitting, inserting or repairing different elements by bolts, screws, rivets 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
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/06—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for hand-held tools or portables devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Silencers (AREA)
  • Exhaust Gas After Treatment (AREA)
DE69623296T 1995-06-22 1996-06-19 Schalldämpfer mit katalytischem konverter Expired - Lifetime DE69623296T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9502309A SE505472C2 (sv) 1995-06-22 1995-06-22 Katalysatorljuddämpare för förbränningsmotor i bärbara arbetsredskap t ex motorsåg
PCT/SE1996/000805 WO1997001023A1 (en) 1995-06-22 1996-06-19 Muffler with catalytic converter

Publications (2)

Publication Number Publication Date
DE69623296D1 true DE69623296D1 (de) 2002-10-02
DE69623296T2 DE69623296T2 (de) 2003-05-28

Family

ID=20398744

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69623296T Expired - Lifetime DE69623296T2 (de) 1995-06-22 1996-06-19 Schalldämpfer mit katalytischem konverter

Country Status (6)

Country Link
US (1) US6109026A (de)
EP (1) EP0840841B1 (de)
AU (1) AU6247296A (de)
DE (1) DE69623296T2 (de)
SE (1) SE505472C2 (de)
WO (1) WO1997001023A1 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6921738B2 (en) 1996-12-06 2005-07-26 Engelhard Corporation Catalytic metal plate
DE19704689A1 (de) * 1997-02-07 1998-08-13 Emitec Emissionstechnologie Wabenkörper mit im Inneren freiem Querschnittsbereich, insbesondere für Kleinmotoren
US5916128A (en) * 1997-02-21 1999-06-29 Degussa Corporation Sound deadening and catalyst treating system
SE9703582L (sv) * 1997-10-01 1999-04-02 Electrolux Ab Katalysatorljuddämpare
EP0953740B1 (de) * 1998-05-02 2005-07-20 Umicore AG & Co. KG System zur Schalldämpfung und katalytischer Behandlung
CN1108438C (zh) * 1998-05-15 2003-05-14 底古萨股份公司 内燃机尾气流催化处理和消声装置及方法
US7549511B2 (en) * 1998-08-18 2009-06-23 Marocco Gregory M Exhaust sound and emission control systems
US7281606B2 (en) 1998-08-18 2007-10-16 Marocco Gregory M Exhaust sound and emission control systems
US6651773B1 (en) 2002-09-24 2003-11-25 Gregory M. Marocco Exhaust sound attenuation and control system
US6935461B2 (en) * 1998-08-18 2005-08-30 Gregory M. Marocco Exhaust sound and emission control systems
DE19849118B4 (de) * 1998-10-24 2012-03-22 Andreas Stihl Ag & Co. Abgasschalldämpfer
JP2003528248A (ja) * 2000-03-21 2003-09-24 サイレンター ホールディング アクティーゼルスカブ 単数又は複数の多孔体を収容した消音器
US7174991B1 (en) * 2000-11-03 2007-02-13 Aktiebolaget Electrolux Muffler for internal combustion engine
US6684633B2 (en) * 2001-04-27 2004-02-03 Marion Barney Jett Exhaust device for two-stroke internal combustion engine
US6622482B2 (en) * 2001-06-27 2003-09-23 Environmental Control Corporation Combined catalytic muffler
US6745562B2 (en) 2002-09-16 2004-06-08 Kleenair Systems, Inc. Diverter for catalytic converter
DE10242869B4 (de) * 2002-09-17 2013-08-22 Andreas Stihl Ag & Co. Katalysator
DE10336175B4 (de) * 2003-08-07 2012-07-12 Andreas Stihl Ag & Co. Kg Abgasschalldämpfer
DE10339468B4 (de) * 2003-08-27 2008-11-13 Oberland Mangold Gmbh Katalysatorkörper und Abgasanlage für einen Kleinmotor sowie Verfahren zur Herstellung des Katalysatorkörpers
US7464543B2 (en) 2004-05-25 2008-12-16 Cameron International Corporation Two-stroke lean burn gas engine with a silencer/catalytic converter
US20050263344A1 (en) * 2004-05-27 2005-12-01 Warfel Paul A Exhaust gas muffler
US7552587B2 (en) * 2005-02-03 2009-06-30 Basf Catalysts Llc Deflector plate to enhance fluid stream contact with a catalyst
US7413716B2 (en) * 2005-04-08 2008-08-19 Homelite Technologies, Ltd. Muffler with catalytic converter
US7600607B2 (en) * 2005-11-17 2009-10-13 John Timothy Sullivan Flow-through sound-cancelling mufflers
US7527774B2 (en) * 2005-12-22 2009-05-05 Basf Catalysts Llc Inlet metallic foam support coupled to precious metal catalyst for application on 4 stroke platforms
US7219764B1 (en) 2006-03-27 2007-05-22 Heartthrob Exhaust Inc. Exhaust muffler
JP2007262984A (ja) * 2006-03-28 2007-10-11 Komatsu Zenoah Co マフラー
DE202006013280U1 (de) * 2006-08-30 2008-02-07 Dolmar Gmbh Schalldämpfer mit Kiemenauslass
EP2531704B1 (de) * 2010-02-02 2018-05-23 E. I. du Pont de Nemours and Company Schalldämpfer mit einem integrierten katalytischen umwandler und polymer-schalldämpferkörper
DE202011000527U1 (de) * 2011-03-09 2012-06-12 Makita Corporation Schalldämpfer für ein Motorgerät mit einem Katalysator
US9759127B2 (en) 2011-08-05 2017-09-12 Husqvarna Ab Adjusting of air-fuel ratio of a two-stroke internal combustion engine
US9309798B2 (en) 2014-03-20 2016-04-12 Harley-Davidson Motor Company Group, LLC Multi-piece muffler housing
US9388718B2 (en) 2014-03-27 2016-07-12 Ge Oil & Gas Compression Systems, Llc System and method for tuned exhaust
CN104153863A (zh) * 2014-06-24 2014-11-19 浙江亚特电器有限公司 可降低排气温度的触媒消音器
US11377996B2 (en) * 2017-06-09 2022-07-05 Briggs & Stratton, Llc Muffler with baffle defining multiple chambers
US10974783B2 (en) 2018-08-17 2021-04-13 Harley-Davidson Motor Company Group, LLC Exhaust shield assembly

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DE3729477C3 (de) * 1987-09-03 1999-09-09 Stihl Maschf Andreas Abgasschalldämpfer für Zweitaktmotoren, insbesondere für tragbare Arbeitsgeräte wie Motorkettensägen
DE3813946A1 (de) * 1988-04-26 1989-11-09 Asea Brown Boveri Verfahren zum aufbringen einer aus edelmetallen und/oder edelmetallverbindungen bestehenden katalysatorschicht auf einen traeger aus keramischem material
CA1262869A (en) * 1988-06-23 1989-11-14 Glen Knight Combined muffler and catalytic converter exhaust unit
JP3047402B2 (ja) * 1988-08-13 2000-05-29 臼井国際産業株式会社 薄肉鋼板及びその製造方
US4894987A (en) * 1988-08-19 1990-01-23 Ap Parts Manufacturing Company Stamp formed muffler and catalytic converter assembly
DE8812435U1 (de) * 1988-10-01 1988-11-10 Fa. Andreas Stihl, 7050 Waiblingen, De
US5477014A (en) * 1989-07-28 1995-12-19 Uop Muffler device for internal combustion engines
JP2952997B2 (ja) * 1990-08-27 1999-09-27 スズキ株式会社 排気ガス浄化装置
US5373119A (en) * 1990-11-23 1994-12-13 Kioritz Corporation Exhaust muffler for internal combustion engine
US5139107A (en) * 1990-12-11 1992-08-18 Kioritz Corporation Exhaust muffler for internal combustion engines
JP2581164Y2 (ja) * 1991-03-26 1998-09-21 株式会社共立 触媒を設けたマフラー
FR2687431B1 (fr) * 1992-02-14 1995-07-13 Inst Francais Du Petrole Tubulure d'echappement a paroi catalytique pour moteurs a combustion interne.
JP3281087B2 (ja) * 1993-02-10 2002-05-13 日本碍子株式会社 排ガス浄化用触媒

Also Published As

Publication number Publication date
US6109026A (en) 2000-08-29
AU6247296A (en) 1997-01-22
EP0840841B1 (de) 2002-08-28
EP0840841A1 (de) 1998-05-13
SE505472C2 (sv) 1997-09-01
DE69623296T2 (de) 2003-05-28
SE9502309D0 (sv) 1995-06-22
SE9502309L (sv) 1996-12-23
WO1997001023A1 (en) 1997-01-09

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Representative=s name: GROSSE, BOCKHORNI, SCHUMACHER, 81476 MUENCHEN

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HUSQVARNA AB, HUSKVARNA, SE

8328 Change in the person/name/address of the agent

Representative=s name: GROSSE, SCHUMACHER, KNAUER, VON HIRSCHHAUSEN, 8033