DE20003386U1 - Decoupling element for vibrations in exhaust pipes of internal combustion engines - Google Patents

Decoupling element for vibrations in exhaust pipes of internal combustion engines

Info

Publication number
DE20003386U1
DE20003386U1 DE20003386U DE20003386U DE20003386U1 DE 20003386 U1 DE20003386 U1 DE 20003386U1 DE 20003386 U DE20003386 U DE 20003386U DE 20003386 U DE20003386 U DE 20003386U DE 20003386 U1 DE20003386 U1 DE 20003386U1
Authority
DE
Germany
Prior art keywords
decoupling element
decoupling
catalyst body
catalytic converter
vibrations
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
DE20003386U
Other languages
German (de)
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.)
EagleBurgmann Germany GmbH and Co KG
Original Assignee
Feodor Burgmann Dichtungswerke GmbH and Co
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 Feodor Burgmann Dichtungswerke GmbH and Co filed Critical Feodor Burgmann Dichtungswerke GmbH and Co
Priority to DE20003386U priority Critical patent/DE20003386U1/en
Publication of DE20003386U1 publication Critical patent/DE20003386U1/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
    • 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
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
    • F01N13/1816—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration the pipe sections being joined together by flexible tubular elements only, e.g. using bellows or strip-wound pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L51/00—Expansion-compensation arrangements for pipe-lines
    • F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
    • F16L51/025—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with several corrugations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04—Devices damping pulsations or vibrations in fluids
    • F16L55/041—Devices damping pulsations or vibrations in fluids specially adapted for preventing vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
    • F16L59/21—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like adapted for expansion-compensation devices
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Silencers (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (5)

1. Entkopplungselement für Schwingungen in Abgasleitungen von Brennkraftmaschinen, mit einem Paar axial voneinander beabstandeter, durch ein flexibles, vorzugsweise wenigstens längs eines axialen Abschnitts (2) balgartig gewellten Verbindungselementes (1) miteinander verbundener Rohranschlussenden, und einem innerhalb des flexiblen Verbindungselementes koaxial in Abstand angeordneten rohrförmigen Wärmeschutzelement (12) zum Schutz des flexiblen Verbindungselementes gegen heisse, durch das Entkopplungselement strömende Abgase, wobei sich das Wärmeschutzelement von einem Montagebereich nahe einem aufstromseitigen Ende, an dem das Wärmeschutzelement fest mit dem Entkopplungselement verbunden ist, frei in das flexible Verbindungselement erstreckt, dadurch gekennzeichnet, dass das Wärmeschutzelement (12) einen Abgaskatalysator mit einem von den Abgasen durchströmbaren Katalysatorkörper (13) aus einem Katalysatormantel enthält.1. Decoupling element for vibrations in exhaust pipes of internal combustion engines, with a pair of axially spaced, by a flexible, preferably at least along an axial section ( 2 ) bellows-like corrugated connecting element ( 1 ) interconnected pipe connection ends, and one within the flexible connecting element arranged coaxially at a distance tubular heat protecting element (12) for protecting the flexible connecting element against hot, flowing through the decoupling element exhaust gases, wherein the heat protecting element of a mounting portion near an upstream end at which the thermal protection element is firmly connected to the decoupling element extends freely in the flexible connecting element, characterized characterized in that the heat protection element ( 12 ) contains an exhaust gas catalytic converter with a catalytic converter body ( 13 ) through which the exhaust gases can flow and made of a catalytic converter jacket. 2. Entkopplungselement nach Anspruch 1, dadurch gekennzeichnet, dass der Katalysatorkörper (13) permanentverbindungsfrei gegenüber dem Wärmeschutzelement (12) lagemässig fixiert ist.2. Decoupling element according to claim 1, characterized in that the catalyst body ( 13 ) is fixed positionally relative to the heat protection element ( 12 ) without permanent connection. 3. Entkopplungselement nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Katalysatorkörper (13) einen wabenartigen Aufbau hat. 3. Decoupling element according to claim 1 or 2, characterized in that the catalyst body ( 13 ) has a honeycomb structure. 4. Entkopplungselement nach Anspruch 3, dadurch gekennzeichnet, dass der Katalysatorkörper (13) ein gewickeltes Teil aus einem gewellten Blech aus dem Katalysatormaterial ist.4. Decoupling element according to claim 3, characterized in that the catalyst body ( 13 ) is a wound part made of a corrugated sheet from the catalyst material. 5. Entkopplungselement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Katalysatorkörper (13) in wenigstens ein Paar axial voneinander beabstandete Abschnitte unterteilt ist.5. Decoupling element according to one of the preceding claims, characterized in that the catalyst body ( 13 ) is divided into at least a pair of axially spaced sections.
DE20003386U 2000-02-24 2000-02-24 Decoupling element for vibrations in exhaust pipes of internal combustion engines Expired - Lifetime DE20003386U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20003386U DE20003386U1 (en) 2000-02-24 2000-02-24 Decoupling element for vibrations in exhaust pipes of internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20003386U DE20003386U1 (en) 2000-02-24 2000-02-24 Decoupling element for vibrations in exhaust pipes of internal combustion engines

Publications (1)

Publication Number Publication Date
DE20003386U1 true DE20003386U1 (en) 2000-05-18

Family

ID=7937844

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20003386U Expired - Lifetime DE20003386U1 (en) 2000-02-24 2000-02-24 Decoupling element for vibrations in exhaust pipes of internal combustion engines

Country Status (1)

Country Link
DE (1) DE20003386U1 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10134741A1 (en) * 2001-07-17 2003-02-13 Senior Automotive Deutschland Anti-resonant system for exhaust gas pipes in vehicle engines has radially flexible pipeline areas in area of fixing device to decouple forces and vibrations
DE102004021799B3 (en) * 2004-05-03 2005-12-29 Mtu Friedrichshafen Gmbh Exhaust compensator
DE202007007146U1 (en) * 2007-05-18 2008-10-02 Witzenmann Gmbh decoupling
DE10296178B4 (en) * 2001-12-28 2012-06-06 Emitec Gesellschaft Für Emissionstechnologie Mbh Flexible conduit element
CN102720915A (en) * 2012-07-10 2012-10-10 南京晨光东螺波纹管有限公司 Thermal insulation expansion joint of reducing adapter tube
US8505286B2 (en) 2008-10-01 2013-08-13 Witzenmann Gmbh Decoupling element
CN103388721A (en) * 2013-08-20 2013-11-13 南通中正机械有限公司 Novel multifunctional compensator
RU2592571C1 (en) * 2015-01-12 2016-07-27 Федеральное государственное унитарное предприятие "Научно-производственное предприятие "Прогресс" (ФГУП "НПП "Прогресс") Flexible compensator insert with pressure pulsation damper
WO2017216105A1 (en) * 2016-06-15 2017-12-21 Jaguar Land Rover Limited Vehicle exhaust system

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10134741A1 (en) * 2001-07-17 2003-02-13 Senior Automotive Deutschland Anti-resonant system for exhaust gas pipes in vehicle engines has radially flexible pipeline areas in area of fixing device to decouple forces and vibrations
DE10296178B4 (en) * 2001-12-28 2012-06-06 Emitec Gesellschaft Für Emissionstechnologie Mbh Flexible conduit element
DE102004021799B3 (en) * 2004-05-03 2005-12-29 Mtu Friedrichshafen Gmbh Exhaust compensator
US7284771B2 (en) 2004-05-03 2007-10-23 Mtu Friedrichshafen Gmbh Exhaust gas bellows expansion joint
DE202007007146U1 (en) * 2007-05-18 2008-10-02 Witzenmann Gmbh decoupling
US8505286B2 (en) 2008-10-01 2013-08-13 Witzenmann Gmbh Decoupling element
DE102009043577B4 (en) * 2008-10-01 2014-01-23 Witzenmann Gmbh Decoupling element with a filter element
CN102720915A (en) * 2012-07-10 2012-10-10 南京晨光东螺波纹管有限公司 Thermal insulation expansion joint of reducing adapter tube
CN103388721A (en) * 2013-08-20 2013-11-13 南通中正机械有限公司 Novel multifunctional compensator
RU2592571C1 (en) * 2015-01-12 2016-07-27 Федеральное государственное унитарное предприятие "Научно-производственное предприятие "Прогресс" (ФГУП "НПП "Прогресс") Flexible compensator insert with pressure pulsation damper
WO2017216105A1 (en) * 2016-06-15 2017-12-21 Jaguar Land Rover Limited Vehicle exhaust system

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000621

R150 Term of protection extended to 6 years

Effective date: 20030218

R157 Lapse of ip right after 6 years

Effective date: 20060901

R081 Change of applicant/patentee

Owner name: BURGMANN INDUSTRIES GMBH & CO. KG, DE

Free format text: FORMER OWNER: FEODOR BURGMANN DICHTUNGSWERKE GMBH & CO, 82515 WOLFRATSHAUSEN, DE

Effective date: 20070219