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
Links
- 238000013016 damping Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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 ; 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
-
- 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
- F01N13/14—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 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 ; 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
- F01N13/14—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 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 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)
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 (ja) | 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 (ja) |
KR (1) | KR930002540B1 (ja) |
DE (1) | DE3943248A1 (ja) |
GB (1) | GB2227544B (ja) |
Cited By (1)
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)
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)
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 (ja) * | 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 |
-
1988
- 1988-12-29 JP JP63335627A patent/JPH02180400A/ja active Pending
-
1989
- 1989-12-22 GB GB8929108A patent/GB2227544B/en not_active Expired - Fee Related
- 1989-12-29 DE DE3943248A patent/DE3943248A1/de active Granted
- 1989-12-29 KR KR1019890020036A patent/KR930002540B1/ko not_active IP Right Cessation
Cited By (2)
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 |
---|---|
JPH02180400A (ja) | 1990-07-13 |
DE3943248A1 (de) | 1990-07-05 |
GB2227544B (en) | 1993-02-24 |
GB8929108D0 (en) | 1990-02-28 |
KR900010291A (ko) | 1990-07-07 |
GB2227544A (en) | 1990-08-01 |
KR930002540B1 (ko) | 1993-04-03 |
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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 |