DE59400065D1 - Rohrkrümmer - Google Patents

Rohrkrümmer

Info

Publication number
DE59400065D1
DE59400065D1 DE59400065T DE59400065T DE59400065D1 DE 59400065 D1 DE59400065 D1 DE 59400065D1 DE 59400065 T DE59400065 T DE 59400065T DE 59400065 T DE59400065 T DE 59400065T DE 59400065 D1 DE59400065 D1 DE 59400065D1
Authority
DE
Germany
Prior art keywords
pipe elbow
elbow
pipe
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 - Fee Related
Application number
DE59400065T
Other languages
English (en)
Inventor
Friedrich Eichler
Ruediger Schueler
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Application granted granted Critical
Publication of DE59400065D1 publication Critical patent/DE59400065D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust 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
    • F01N13/18Construction facilitating manufacture, assembly, or disassembly
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D26/00Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/053Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure characterised by the material of the blanks
    • B21D26/055Blanks having super-plastic properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust 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
    • F01N13/08Other arrangements or adaptations of exhaust conduits
    • F01N13/10Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust 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
    • F01N13/18Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1883Construction facilitating manufacture, assembly, or disassembly manufactured by hydroforming
DE59400065T 1993-05-03 1994-02-16 Rohrkrümmer Expired - Fee Related DE59400065D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4314470 1993-05-03

Publications (1)

Publication Number Publication Date
DE59400065D1 true DE59400065D1 (de) 1996-02-01

Family

ID=6486968

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59400065T Expired - Fee Related DE59400065D1 (de) 1993-05-03 1994-02-16 Rohrkrümmer

Country Status (3)

Country Link
EP (1) EP0623739B1 (de)
DE (1) DE59400065D1 (de)
ES (1) ES2081722T3 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9407812U1 (de) * 1994-05-11 1994-07-21 Zeuna Staerker Kg Rohrzusammenführung und Vorrichtung zu ihrer Herstellung
EP0733788B1 (de) 1995-02-24 2002-07-17 Volkswagen Aktiengesellschaft Rohrkrümmer für eine Brennkraftmaschine
DE19518252C2 (de) * 1995-05-18 1997-05-22 Schaefer Maschbau Wilhelm Verfahren und Vorrichtung zum Herstellen eines metallenen Hosenrohres nach dem Innenhochdruck-Umformverfahren
DE19546509A1 (de) * 1995-12-13 1997-06-19 Zeuna Staerker Kg Abgaskrümmer sowie Verfahren zu seiner Herstellung
DE19752772C2 (de) 1997-11-28 1999-09-02 Daimler Chrysler Ag Verfahren zur Herstellung eines mit einem Abzweigstutzen versehenen luftspaltisolierten Abgasrohres
DE19752773C2 (de) 1997-11-28 1999-09-02 Daimler Chrysler Ag Verfahren zur Herstellung eines luftspaltisolierten Abgaskrümmers einer Fahrzeugabgasanlage
DE19803275A1 (de) * 1998-01-29 1999-08-12 Benteler Werke Ag Abgaskrümmer
DE102007006254A1 (de) * 2007-02-08 2008-08-14 Daimler Ag Verfahren zur Herstellung eines Fahrwerk- und/oder Karosseriebauteils
ATE461764T1 (de) * 2008-08-06 2010-04-15 Witzenmann Gmbh Hochdruckfester metallbalg und verfahren zum herstellen eines solchen
GB2535001A (en) * 2015-12-22 2016-08-10 Daimler Ag Exhaust pipe element for an exhaust system of a vehicle, in particular a motor vehicle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1068206B (de) * 1955-06-17 1959-11-05 Flexonics Corporation, Maywood, 111. (V. St. A.) Verfahren zum Herstellen eines gekrümmten Rohrformstückes
FR2527263B1 (fr) * 1982-05-22 1985-06-21 Witzenmann Metallschlauchfab Collecteur d'echappement et procede pour sa fabrication
US4840053A (en) * 1987-07-29 1989-06-20 Mitsui & Co., Ltd. Method for manufacturing a pipe with projections
JPH0543227Y2 (de) * 1987-12-21 1993-10-29
DE4103083C1 (en) * 1991-02-01 1992-05-27 H.D. Eichelberg & Co Gmbh, 5750 Menden, De Steel pipe branch for IC engine exhaust - is formed by integral, hydrostatically shaped component with inner, longitudinal flanges

Also Published As

Publication number Publication date
EP0623739B1 (de) 1995-12-20
EP0623739A1 (de) 1994-11-09
ES2081722T3 (es) 1996-03-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee