DE3943248C2 - - Google Patents

Info

Publication number
DE3943248C2
DE3943248C2 DE3943248A DE3943248A DE3943248C2 DE 3943248 C2 DE3943248 C2 DE 3943248C2 DE 3943248 A DE3943248 A DE 3943248A DE 3943248 A DE3943248 A DE 3943248A DE 3943248 C2 DE3943248 C2 DE 3943248C2
Authority
DE
Germany
Prior art keywords
tube
pipe
duplex
distance
inner tube
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
DE3943248A
Other languages
German (de)
English (en)
Other versions
DE3943248A1 (de
Inventor
Takeshi Numazu Shizuoka Jp Matsumoto
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.)
Usui Kokusai Sangyo Kaisha Ltd
Original Assignee
Usui Kokusai Sangyo Kaisha Ltd
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 Usui Kokusai Sangyo Kaisha Ltd filed Critical Usui Kokusai Sangyo Kaisha Ltd
Publication of DE3943248A1 publication Critical patent/DE3943248A1/de
Application granted granted Critical
Publication of DE3943248C2 publication Critical patent/DE3943248C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • 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
    • F01N13/14—Exhaust or silencing apparatus characterised by constructional features having thermal insulation
    • 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
    • F01N13/14—Exhaust or silencing apparatus characterised by constructional features having thermal insulation
    • F01N13/141—Double-walled exhaust pipes or housings
    • 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
    • F16L9/00—Rigid pipes
    • F16L9/02—Rigid pipes of metal
    • F16L9/04—Reinforced 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
    • F16L9/00—Rigid pipes
    • F16L9/21—Rigid pipes made of sound-absorbing materials or with sound-absorbing structure
    • 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
    • F01N2470/00—Structure or shape of exhaust gas passages, pipes or tubes
    • F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Silencers (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
DE3943248A 1988-12-29 1989-12-29 Duplex-metallrohr zur daempfung Granted DE3943248A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63335627A JPH02180400A (ja) 1988-12-29 1988-12-29 制振性二重金属管

Publications (2)

Publication Number Publication Date
DE3943248A1 DE3943248A1 (de) 1990-07-05
DE3943248C2 true DE3943248C2 (enrdf_load_stackoverflow) 1992-01-09

Family

ID=18290706

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3943248A Granted DE3943248A1 (de) 1988-12-29 1989-12-29 Duplex-metallrohr zur daempfung

Country Status (4)

Country Link
JP (1) JPH02180400A (enrdf_load_stackoverflow)
KR (1) KR930002540B1 (enrdf_load_stackoverflow)
DE (1) DE3943248A1 (enrdf_load_stackoverflow)
GB (1) GB2227544B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19749447A1 (de) * 1997-11-10 1999-05-12 Fischer Rohrtechnik Gmbh Doppelwandrohr mit Ringspalt

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9011147U1 (de) * 1990-07-28 1990-10-31 Ascher, Peter, 4100 Duisburg Rohrförmiges Konstruktionselement mit Mitteln zur Schalldämpfung
DE4334815C2 (de) * 1993-10-13 1996-05-30 Wilfried Lengert Bauteil zur Geräuschdämmung
FR2726066B1 (fr) * 1994-10-19 1997-01-03 Tubeurop Profile creux soude longitudinalement et procede de fabrication de celui-ci
FR2762892B1 (fr) * 1997-04-30 1999-07-02 Westaflex Automobile Tuyau pour le transport de fluides gazeux, notamment dans les automobiles
KR20020061821A (ko) * 2001-01-18 2002-07-25 (주)부성파이프 자동차용 배기관부재
JP2003097381A (ja) * 2001-09-26 2003-04-03 Usui Internatl Ind Co Ltd フユーエルデリバリパイプ
DE102004052796A1 (de) 2004-11-02 2006-05-11 Volkswagen Ag Antriebswelle mit einer Wärmeabschirmhülse
FR2904677B1 (fr) * 2006-08-04 2008-09-12 Airbus France Sas Conduit d'aeronef
DE102007042869A1 (de) 2007-09-08 2009-03-12 Volkswagen Ag Vorrichtung zur Reduzierung von Geräuschemissionen
JP2010236537A (ja) * 2009-03-10 2010-10-21 Shinko Metal Products Kk 積層複合管
JP5355448B2 (ja) 2010-02-23 2013-11-27 株式会社神戸製鋼所 排気管
JP6457465B2 (ja) * 2016-02-18 2019-01-23 本田技研工業株式会社 鞍乗型車両の排気装置
DE102017102078A1 (de) * 2017-02-02 2018-08-02 Druck- und Spritzgußwerk Hettich GmbH & Co. KG Bremsvorrichtung und Möbel oder Haushaltsgerät mit einer Bremsvorrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT230156B (de) * 1962-02-13 1963-11-25 Voest Ag Geschweißtes Doppel- oder Mehrfachmantelrohr für Druckleitungen, Druckbehälter od. dgl.
JPS49112022A (enrdf_load_stackoverflow) * 1973-03-02 1974-10-25
DE2354927A1 (de) * 1973-11-02 1975-05-15 Metallgesellschaft Ag Von einem bleimantel umgebenes leitungsrohr
JPS6011795A (ja) * 1983-07-01 1985-01-22 新日本製鐵株式会社 複合２重鋼管
US4619292A (en) * 1983-10-14 1986-10-28 Apx Group, Inc. Air gap pipe
FR2561142B1 (fr) * 1984-03-16 1986-10-17 Ugine Gueugnon Sa Tube soude a double paroi et son procede de fabrication
JP2741221B2 (ja) * 1988-11-15 1998-04-15 臼井国際産業株式会社 二重管の製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19749447A1 (de) * 1997-11-10 1999-05-12 Fischer Rohrtechnik Gmbh Doppelwandrohr mit Ringspalt
DE19749447C2 (de) * 1997-11-10 2000-02-17 Fischer Rohrtechnik Gmbh Umgeformtes Doppelwandrohr aus Metall sowie Verfahren zu seiner Herstellung

Also Published As

Publication number Publication date
KR900010291A (ko) 1990-07-07
JPH02180400A (ja) 1990-07-13
GB2227544B (en) 1993-02-24
GB2227544A (en) 1990-08-01
KR930002540B1 (ko) 1993-04-03
DE3943248A1 (de) 1990-07-05
GB8929108D0 (en) 1990-02-28

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: F16L 9/18

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee