BR9804289A - Tubo recurvado de descarga de gás. - Google Patents

Tubo recurvado de descarga de gás.

Info

Publication number
BR9804289A
BR9804289A BR9804289-0A BR9804289A BR9804289A BR 9804289 A BR9804289 A BR 9804289A BR 9804289 A BR9804289 A BR 9804289A BR 9804289 A BR9804289 A BR 9804289A
Authority
BR
Brazil
Prior art keywords
gas discharge
discharge tube
tubular
segments
curved
Prior art date
Application number
BR9804289-0A
Other languages
English (en)
Inventor
Johannes Bussmann
Adreas Fritz
Juergen Kleinschmidt
Original Assignee
Benteler Werke 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7855927&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9804289(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Benteler Werke Ag filed Critical Benteler Werke Ag
Publication of BR9804289A publication Critical patent/BR9804289A/pt

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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • 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
    • F01N13/1883—Construction facilitating manufacture, assembly, or disassembly manufactured by hydroforming
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/10—Exhaust treating devices having provisions not otherwise provided for for avoiding stress caused by expansions or contractions due to temperature variations
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Exhaust Silencers (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

Patente de Invenção: <B>"TUBO RECURVADO DE DESCARGA DE GáS"<D>. A invenção refere-se a um tubo recurvado de descarga de gás com um segmento extremo (4) recurvado no qual agregam-se, através de ajustagem (7, 8), pelo menos dois segmentos em T (5, 6).O segmento extremo (4) e os segmentos em T (5,6) apresentam, cada um, uma conexão de flange (9 ou 11, 12) assim como uma conexão tubular (10 ou 13, 14). Cada segmento em T (5,6) possui além disso uma luva de ajustagem (15, 16). A luva de ajustagem (15, 16) é moldada com conformação por meio de alta pressão interna no raio externo (R~ a~) de um arco tubular (17, 18). Para isso é formado, no arco tubular (17, 18) na região de curvatura (19, 20) do raio externo (R~ a~) situado entre a conexão de flange (11, 12) e a conexão tubular (13, 14), uma luva abaulada com meios hidráulicos sendo que esta luva é aberta a seguir por meio de um corte de serra. Com base no fato de que os segmentos em T (5, 6) são formados a partir de um arco tubular (17, 18) com luva de ajustagem (15, 16) moldada com meios hidráulicos, o comprimento das conexões de flanges (11, 12) pode ser construídos com o comprimento necessário sem limitar este comprimento através da formação por meio de técnica hidráulica.
BR9804289-0A 1998-01-29 1998-10-27 Tubo recurvado de descarga de gás. BR9804289A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803275A DE19803275A1 (de) 1998-01-29 1998-01-29 Abgaskrümmer

Publications (1)

Publication Number Publication Date
BR9804289A true BR9804289A (pt) 1999-12-21

Family

ID=7855927

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9804289-0A BR9804289A (pt) 1998-01-29 1998-10-27 Tubo recurvado de descarga de gás.

Country Status (7)

Country Link
US (1) US6134886A (pt)
EP (1) EP0933509B2 (pt)
BR (1) BR9804289A (pt)
CZ (1) CZ294172B6 (pt)
DE (2) DE19803275A1 (pt)
ES (1) ES2159417T5 (pt)
PT (1) PT933509E (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19923557B4 (de) * 1999-05-21 2006-07-13 Daimlerchrysler Ag Gebauter luftspaltisolierter Abgaskrümmer einer Abgasanlage eines Kraftfahrzeuges und ein Verfahren zu dessen Herstellung
US6293098B1 (en) * 2000-08-29 2001-09-25 George J. Coates Method and apparatus for joining pressurized exhaust manifold sections
DE10200638C2 (de) 2002-01-10 2003-12-11 Benteler Automobiltechnik Gmbh Anordnung zur Führung von Abgas aus einem Verbrennungsmotor
DE602004012167T3 (de) * 2003-12-01 2018-08-16 Nissan Motor Co., Ltd. Abgaskrümmer für einen Verbrennungsmotor
KR100794018B1 (ko) 2006-10-31 2008-01-10 현대자동차주식회사 배기 매니폴드
JP2013213491A (ja) * 2012-03-08 2013-10-17 Calsonic Kansei Corp 二重管式エキゾースト・マニホールド
US20150315666A1 (en) * 2014-04-30 2015-11-05 Ford Global Technologies, Llc Induction annealing as a method for expanded hydroformed tube formability
US9422857B2 (en) * 2014-12-17 2016-08-23 Caterpillar Inc. Exhaust nozzle tip device and system
WO2017136426A1 (en) 2016-02-05 2017-08-10 Cummins Inc. Systems and methods for equalizing backpressure in engine cylinders

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179884A (en) * 1977-08-08 1979-12-25 Caterpillar Tractor Co. Watercooled exhaust manifold and method of making same
US4644747A (en) * 1986-02-10 1987-02-24 General Motors Corporation Low-stress shielded exhaust passage assemblies
JPS63162918A (ja) * 1986-12-25 1988-07-06 Kazuhito Fukazawa マニホ−ルドおよびその製造方法
US5159811A (en) * 1990-07-16 1992-11-03 Caterpillar Inc. Flexible coupling device for use in an engine manifold system
DE4228187C2 (de) * 1992-08-25 1995-04-27 Hde Metallwerk Gmbh Abgaskrümmer für Verbrennungsmotoren
EP0623739B1 (de) * 1993-05-03 1995-12-20 Volkswagen Aktiengesellschaft Rohrkrümmer
DE4339290C2 (de) * 1993-11-18 1995-11-02 Daimler Benz Ag Verfahren zum Herstellen von Rohr-T-Stücken aus einem unverzweigt durchgehenden Ausgangsrohrstück durch Innenhochdruck-Umformung sowie Vorrichtung zur Durchführung des Verfahrens
DE4444760C2 (de) * 1994-12-16 2003-02-13 Eberspaecher J Gmbh & Co Luftspaltisolierter Abgaskrümmer
DE19510602C1 (de) * 1995-03-23 1996-04-11 Daimler Benz Ag Fächerartiger Abgaskrümmer für mehrzylindrige Brennkraftmaschinen
DE19511514C1 (de) * 1995-03-29 1996-08-01 Daimler Benz Ag Abgaskrümmer für eine Brennkraftmaschine
DE19514020A1 (de) * 1995-04-13 1996-10-17 Daimler Benz Ag Abgassammelrohr, insbesondere für eine Brennkraftmaschine in einem Kraftfahrzeug, und Verfahren zu dessen Herstellung
DE19606003A1 (de) * 1996-02-17 1997-06-12 Daimler Benz Ag Schiebesitz-Rohrverbindung

Also Published As

Publication number Publication date
ES2159417T5 (es) 2005-09-01
CZ322398A3 (cs) 1999-08-11
CZ294172B6 (cs) 2004-10-13
EP0933509A1 (de) 1999-08-04
DE59800573D1 (de) 2001-05-03
US6134886A (en) 2000-10-24
EP0933509B2 (de) 2005-02-16
ES2159417T3 (es) 2001-10-01
PT933509E (pt) 2001-07-31
EP0933509B1 (de) 2001-03-28
DE19803275A1 (de) 1999-08-12

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B15K Others concerning applications: alteration of classification

Ipc: F01N 13/10 (2010.01), F01N 13/18 (2010.0

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 27.10.2018