DE29823707U1 - Pipe element with damping, in particular for exhaust pipes of internal combustion engines in motor vehicles - Google Patents

Pipe element with damping, in particular for exhaust pipes of internal combustion engines in motor vehicles

Info

Publication number
DE29823707U1
DE29823707U1 DE29823707U DE29823707U DE29823707U1 DE 29823707 U1 DE29823707 U1 DE 29823707U1 DE 29823707 U DE29823707 U DE 29823707U DE 29823707 U DE29823707 U DE 29823707U DE 29823707 U1 DE29823707 U1 DE 29823707U1
Authority
DE
Germany
Prior art keywords
pipe element
element according
deformations
metal
bellows
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
DE29823707U
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.)
IWKA Balg und Kompensatoren Technologie GmbH
Original Assignee
IWK Regler und Kompensatoren GmbH
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 IWK Regler und Kompensatoren GmbH filed Critical IWK Regler und Kompensatoren GmbH
Priority to DE29823707U priority Critical patent/DE29823707U1/en
Publication of DE29823707U1 publication Critical patent/DE29823707U1/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
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
    • F16L27/107—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve
    • F16L27/11—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve the sleeve having the form of a bellows with multiple corrugations
    • F16L27/111—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve the sleeve having the form of a bellows with multiple corrugations the bellows being reinforced
    • 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
    • F16L51/027—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with external reinforcement

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (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 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 (17)

1. Flexibles Leitungselement, insbesondere für Abgas­ leitungen von Verbrennungsmotoren bei Kraftfahrzeu­ gen, mit einem mit zylindrischen Anschlußenden (4) versehenen, schraubengangförmigen oder ringgewellten Balg (2) und einem den Balg (2) unmittelbar umgeben­ den Metallgeflecht (3), dadurch gekennzeichnet, daß das Metallgeflecht (3) eigenstabil ist und plasti­ sche Verformungen (5) zur akustischen und/oder mechanischen Dämpfung des Balges (2) aufweist.1. Flexible conduit element, in particular for exhaust gas lines from internal combustion engines in motor vehicles, with a cylindrical connection ends ( 4 ) provided with a screw-shaped or corrugated bellows ( 2 ) and a bellows ( 2 ) directly surrounding the metal braid ( 3 ), characterized in that that the metal mesh ( 3 ) is inherently stable and has plastic deformations ( 5 ) for acoustic and / or mechanical damping of the bellows ( 2 ). 2. Leitungselement nach Anspruch 1, dadurch gekenn­ zeichnet, daß die plastischen Verformungen (5) aufgeprägte Formprofile (6) sind.2. Pipe element according to claim 1, characterized in that the plastic deformations ( 5 ) are impressed shape profiles ( 6 ). 3. Leitungselement nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß die plastischen Verfor­ mungen (5) dem Balg (2) zugekehrt sind.3. Pipe element according to one of claims 1 and 2, characterized in that the plastic deformations ( 5 ) facing the bellows ( 2 ). 4. Leitungselement nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Metallgeflecht (3) einfädig ausgeführt ist. 4. Pipe element according to one of claims 1 to 3, characterized in that the metal braid ( 3 ) is single-threaded. 5. Leitungselement nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Metallgeflecht (3) mehrfädig ausgeführt ist.5. Pipe element according to one of claims 1 to 3, characterized in that the metal braid ( 3 ) is multi-threaded. 6. Leitungselement nach Anspruch 5, dadurch gekenn­ zeichnet, daß das Metallgeflecht (3) Metallfäden verschiedener Stärken aufweist.6. Pipe element according to claim 5, characterized in that the metal braid ( 3 ) has metal threads of different thicknesses. 7. Leitungselement nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Metallgeflecht (3) an den Enden (4) des Balges (2) durch zylindrische Ringe (8) gehalten ist.7. Pipe element according to one of claims 1 to 6, characterized in that the metal braid ( 3 ) at the ends ( 4 ) of the bellows ( 2 ) is held by cylindrical rings ( 8 ). 8. Leitungselement nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Verformungen (5) sich von der Ebene des Metallgeflechts (3) fort verjüngen.8. Pipe element according to one of claims 1 to 7, characterized in that the deformations ( 5 ) from the plane of the metal mesh ( 3 ) continue to taper. 9. Leitungselement nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Verformungen (5) eine runde Grundfläche aufweisen.9. Pipe element according to one of claims 1 to 8, characterized in that the deformations ( 5 ) have a round base. 10. Leitungselement nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Verformungen (5) eine mehreckige Grundfläche aufweisen.10. Pipe element according to one of claims 1 to 8, characterized in that the deformations ( 5 ) have a polygonal base. 11. Leitungselement nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Verformungen (5) eine langlochartige Grundfläche aufweisen.11. Pipe element according to one of claims 1 to 8, characterized in that the deformations ( 5 ) have a slot-like base. 12. Leitungselement nach Anspruch 11, dadurch gekenn­ zeichnet, daß die langlochartigen Verformungen (5) in radialer Richtung des Metallgeflechts (3) ange­ ordnet sind. 12. Pipe element according to claim 11, characterized in that the slot-like deformations ( 5 ) are arranged in the radial direction of the metal braid ( 3 ). 13. Leitungselement nach Anspruch 11, dadurch gekenn­ zeichnet, daß die langlochartigen Verformungen (5) in Längsrichtung des Metallgeflechts (3) angeordnet sind.13. Pipe element according to claim 11, characterized in that the slot-like deformations ( 5 ) are arranged in the longitudinal direction of the metal mesh ( 3 ). 14. Leitungselement nach Anspruch 11, dadurch gekenn­ zeichnet, daß die langlochartigen Verformungen (5) schraubengangförmig um die Mantelfläche des Metall­ geflechts (3) angeordnet sind.14. Pipe element according to claim 11, characterized in that the elongated hole-like deformations ( 5 ) are arranged helically around the outer surface of the metal braid ( 3 ). 15. Leitungselement nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß die Verformungen (5) symmetrisch angeordnet sind.15. Pipe element according to one of claims 1 to 14, characterized in that the deformations ( 5 ) are arranged symmetrically. 16. Leitungselement nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß die Verformungen (5) asymmetrisch angeordnet sind.16. Pipe element according to one of claims 1 to 14, characterized in that the deformations ( 5 ) are arranged asymmetrically. 17. Leitungselement nach einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, daß eine Innenauskleidung (Inliner) vorgesehen ist.17. Pipe element according to one of claims 1 to 16, characterized in that an inner lining (Inliner) is provided.
DE29823707U 1998-05-29 1998-05-29 Pipe element with damping, in particular for exhaust pipes of internal combustion engines in motor vehicles Expired - Lifetime DE29823707U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29823707U DE29823707U1 (en) 1998-05-29 1998-05-29 Pipe element with damping, in particular for exhaust pipes of internal combustion engines in motor vehicles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29823707U DE29823707U1 (en) 1998-05-29 1998-05-29 Pipe element with damping, in particular for exhaust pipes of internal combustion engines in motor vehicles
DE19824091 1998-05-29

Publications (1)

Publication Number Publication Date
DE29823707U1 true DE29823707U1 (en) 1999-12-02

Family

ID=26046513

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29823707U Expired - Lifetime DE29823707U1 (en) 1998-05-29 1998-05-29 Pipe element with damping, in particular for exhaust pipes of internal combustion engines in motor vehicles

Country Status (1)

Country Link
DE (1) DE29823707U1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2873403A1 (en) * 2004-07-20 2006-01-27 Sjm Co Ltd FLEXIBLE TUBE FOR AN EXHAUST PIPE OF A MOTOR VEHICLE
DE202006012761U1 (en) * 2006-08-18 2007-12-27 Witzenmann Gmbh Flexible conduit element, in particular for the exhaust system of a motor vehicle
DE102008017598A1 (en) * 2008-04-07 2009-10-29 Witzenmann Gmbh Flexible pipe element for exhaust gas system of motor vehicle internal combustion engine, has knitted casing fixed at corrugated hose and/or at winding hose by respective sectioned constrictions of meshes of casing
EP2463493A1 (en) * 2010-12-09 2012-06-13 Witzenmann GmbH Flexible conduit element and method for applying a knit tube to a metal bellows

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2873403A1 (en) * 2004-07-20 2006-01-27 Sjm Co Ltd FLEXIBLE TUBE FOR AN EXHAUST PIPE OF A MOTOR VEHICLE
DE102004041348A1 (en) * 2004-07-20 2006-02-16 Sjm Co. Ltd., Ansan Flexible tube for exhaust pipe of automobile, includes resilient member arranged around and engaging outer surface of braided member arranged and fixed at both ends of cylindrical bellows
DE102004041348B4 (en) * 2004-07-20 2007-04-12 Sjm Co. Ltd., Ansan Flexible tube for an exhaust pipe of a motor vehicle
DE202006012761U1 (en) * 2006-08-18 2007-12-27 Witzenmann Gmbh Flexible conduit element, in particular for the exhaust system of a motor vehicle
DE102008017598A1 (en) * 2008-04-07 2009-10-29 Witzenmann Gmbh Flexible pipe element for exhaust gas system of motor vehicle internal combustion engine, has knitted casing fixed at corrugated hose and/or at winding hose by respective sectioned constrictions of meshes of casing
DE102008017598B4 (en) * 2008-04-07 2014-12-04 Witzenmann Gmbh Flexible conduit element and method for attaching an outer knit
EP2463493A1 (en) * 2010-12-09 2012-06-13 Witzenmann GmbH Flexible conduit element and method for applying a knit tube to a metal bellows

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000105

R081 Change of applicant/patentee

Owner name: IWKA BALG- UND KOMPENSATOREN-TECHNOLOGIE GMBH, DE

Free format text: FORMER OWNER: IWK REGLER UND KOMPENSATOREN GMBH, 76297 STUTENSEE, DE

Effective date: 20011205

R156 Lapse of ip right after 3 years

Effective date: 20020301