EP1082527A2 - Schalldämpfer aus aluminium und verfahren zu seiner herstellung - Google Patents
Schalldämpfer aus aluminium und verfahren zu seiner herstellungInfo
- Publication number
- EP1082527A2 EP1082527A2 EP99903887A EP99903887A EP1082527A2 EP 1082527 A2 EP1082527 A2 EP 1082527A2 EP 99903887 A EP99903887 A EP 99903887A EP 99903887 A EP99903887 A EP 99903887A EP 1082527 A2 EP1082527 A2 EP 1082527A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- shell
- muffler
- aluminum
- inner space
- 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.)
- Withdrawn
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
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
-
- 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
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
-
- 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
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/10—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling in combination with sound-absorbing materials
-
- 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
-
- 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
- F01N2470/26—Tubes being formed by extrusion, drawing or rolling
-
- 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
- F01N2530/00—Selection of materials for tubes, chambers or housings
- F01N2530/06—Aluminium or alloys thereof
Definitions
- the present invention relates to a muffler for motor vehicles that is
- invention relates to a muffler made from extruded aluminum profiles that are
- Mufflers for motor vehicles are presently made from sheet metal
- the metal sheets are rolled into
- each tube entering the cylinder from a different
- the cylinder volume may also
- U.S. Patent No. 3,115,209 discloses a muffler made of rust proof
- cartridge including a tubular rigid member having open ends and a mass of
- aluminum mufflers such as corrosion resistance, lighter weight and possibly
- Another object is to provide an aluminum muffler that is easy to
- a further object is to provide an aluminum muffler that is light weight
- the aluminum muffler comprises more than
- one tube for example, two tubes, one tube extending through one end cover
- the tubular shell comprises a double
- the tube inside the shell may be perforated to allow exhaust gas t expand
- tubular walls may also contain sound absorbing material to further reduce
- an aluminum muffler comprising an extruded aluminum tubular
- tubular shell is by rail and track means.
- the aluminum muffler of this invention is made by using aluminum
- tubular inner and outer shells can be
- shells and tubes can be extruded separately with respective mating rails and
- the end covers are preferably also made from aluminum, and may be
- covers may be welded or folded over the cylinder ends as for example when
- each tube is attached to the tubular
- a double walled tubular shell preferably have the two walls
- tubular shell as used herein is intended to include any one or
- shell may have a cross-section, for example, that is round, oval, hour glass,
- Figure 1 is a top plan view of an aluminum muffler in accordance with
- Figure 2 is a cross-sectional view of Figure 1 taken across A-A; Figures 3 and 4 show cross-sectional views of other embodiments of a
- FIGS. 5-9 are plan views of various ways of mounting end covers on
- Figure 10 is a partial cut away perspective view of another embodiment
- Figure 11 is a cross-sectional plan view of the muffler of Figure 10.
- Figure 12 is a cross-section of the muffler of Figure 10 viewed from the
- Figure 13 is a cross-section of the muffler of Figure 10 viewed from the
- the outer shell 12 has three sides
- a muffler can be manufactured with only a single
- the muffler 60 comprises a cylindrical extrusion having an
- end cover 70 is a flat plate through which tube 26
- the cover 70 is welded 72 all around the tube 26 and around the
- Another bent flange 84 covers the outside cylinder
- Figure 7 illustrates another way of sealing the ends of the cylindircal
- End cover 90 has a bent flange 92 surrounding tube 26 to which it is
- a collar band 98 is placed around the tube 26 and over
- the inner shell 114 there are positioned three axial tubes comprising an inlet
- extension tube 122 along their entire length by means of track 134 and rail
- extension 122 tubes comprise perforations 138, 140 and 142 respectively
- outlet tube 120 has a terminal u-shaped cut-out opening 146
- extension tube 122 has two terminal u-shaped cut-out openings 148 and 150, the former leading to
- Perforations 138, 140 and 142 do not necessarily have to face the same
- an adjacent outer length of tube can be
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
- Extrusion Of Metal (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL12323098A IL123230A (en) | 1998-02-09 | 1998-02-09 | Muffler |
IL12323098 | 1998-02-09 | ||
IL12738198A IL127381A0 (en) | 1998-12-03 | 1998-12-03 | Aluminum muffler and method of manufacture |
IL12738198 | 1998-12-03 | ||
PCT/IL1999/000076 WO1999040297A2 (en) | 1998-02-09 | 1999-02-04 | Aluminum muffler and method of manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1082527A2 true EP1082527A2 (de) | 2001-03-14 |
Family
ID=26323591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99903887A Withdrawn EP1082527A2 (de) | 1998-02-09 | 1999-02-04 | Schalldämpfer aus aluminium und verfahren zu seiner herstellung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1082527A2 (de) |
AU (1) | AU2438899A (de) |
WO (1) | WO1999040297A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR0214300A (pt) * | 2001-11-20 | 2004-10-26 | Norsk Hydro As | Sistema de exaustão para ser usado em combinação com um motor de combustão, e, método para produzir o mesmo |
US7316292B2 (en) * | 2005-04-15 | 2008-01-08 | Et Us Holdings Llc | Spun extrusion side entry muffler |
CN106089363A (zh) * | 2016-06-28 | 2016-11-09 | 湖南海特汽车部件有限公司 | 一种汽车消声器的制作方法及消声装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2690812A (en) * | 1950-05-09 | 1954-10-05 | Goerlich S | Muffler construction |
CH647302A5 (de) * | 1979-06-06 | 1985-01-15 | Alusuisse | Vorrichtung zum ableiten der abgase von verbrennungskraftmaschinen. |
-
1999
- 1999-02-04 WO PCT/IL1999/000076 patent/WO1999040297A2/en not_active Application Discontinuation
- 1999-02-04 AU AU24388/99A patent/AU2438899A/en not_active Abandoned
- 1999-02-04 EP EP99903887A patent/EP1082527A2/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO9940297A3 * |
Also Published As
Publication number | Publication date |
---|---|
AU2438899A (en) | 1999-08-23 |
WO1999040297A3 (en) | 2000-01-06 |
WO1999040297A2 (en) | 1999-08-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20001122 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE ES FR IT |
|
RBV | Designated contracting states (corrected) |
Designated state(s): DE ES FR IT |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20030902 |