EP1082527A2 - Silencieux en aluminium et procede de fabrication associe - Google Patents

Silencieux en aluminium et procede de fabrication associe

Info

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Withdrawn
Application number
EP99903887A
Other languages
German (de)
English (en)
Inventor
Ziv Farberman
Mordechai Milchman
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.)
Klil Industries Ltd
KLIL IND Ltd
Original Assignee
Klil Industries Ltd
KLIL IND 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
Priority claimed from IL12323098A external-priority patent/IL123230A/xx
Priority claimed from IL12738198A external-priority patent/IL127381A0/xx
Application filed by Klil Industries Ltd, KLIL IND Ltd filed Critical Klil Industries Ltd
Publication of EP1082527A2 publication Critical patent/EP1082527A2/fr
Withdrawn legal-status Critical Current

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)

Abstract

L'invention concerne un silencieux en aluminium, qui comprend une enveloppe tubulaire en aluminium filé définissant un espace interne, au moins un tube en aluminium relié axialement à ladite enveloppe et disposé à l'intérieur dudit espace interne, et des disques d'obturation présentant des orifices que le ou les tubes traversent de façon à sortir de l'enveloppe. L'invention concerne également un procédé permettant de fabriquer ledit silencieux.
EP99903887A 1998-02-09 1999-02-04 Silencieux en aluminium et procede de fabrication associe Withdrawn EP1082527A2 (fr)

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 (fr) 1998-02-09 1999-02-04 Silencieux en aluminium et procede de fabrication associe

Publications (1)

Publication Number Publication Date
EP1082527A2 true EP1082527A2 (fr) 2001-03-14

Family

ID=26323591

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99903887A Withdrawn EP1082527A2 (fr) 1998-02-09 1999-02-04 Silencieux en aluminium et procede de fabrication associe

Country Status (3)

Country Link
EP (1) EP1082527A2 (fr)
AU (1) AU2438899A (fr)
WO (1) WO1999040297A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9940297A3 *

Also Published As

Publication number Publication date
AU2438899A (en) 1999-08-23
WO1999040297A3 (fr) 2000-01-06
WO1999040297A2 (fr) 1999-08-12

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