EP0884456A3 - Muffler - Google Patents

Muffler Download PDF

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Publication number
EP0884456A3
EP0884456A3 EP98110063A EP98110063A EP0884456A3 EP 0884456 A3 EP0884456 A3 EP 0884456A3 EP 98110063 A EP98110063 A EP 98110063A EP 98110063 A EP98110063 A EP 98110063A EP 0884456 A3 EP0884456 A3 EP 0884456A3
Authority
EP
European Patent Office
Prior art keywords
hollow body
fiber
tubular hollow
muffler
reinforced plastic
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Withdrawn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
EP98110063A
Other languages
German (de)
French (fr)
Other versions
EP0884456A2 (en
Inventor
Jean-Claude Philippron
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.)
PHILIPPRON JEAN CLAUDE
Original Assignee
PHILIPPRON JEAN CLAUDE
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 PHILIPPRON JEAN CLAUDE filed Critical PHILIPPRON JEAN CLAUDE
Publication of EP0884456A2 publication Critical patent/EP0884456A2/en
Publication of EP0884456A3 publication Critical patent/EP0884456A3/en
Withdrawn legal-status Critical Current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
    • F01N13/16—Selection of particular 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages
    • 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
    • F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)

Abstract

Die Erfindung betrifft einen Schalldämpfer, welcher einen rohrförmigen Hohlkörper (1) zur Durchleitung eines Mediums (2) in seinem Inneren mit Auslässen (4), vorzugsweise Löchern oder Schlitzen, sowie einen, den rohrförmigen Hohlkörper (1) umfassenden Mantel mit hinter den jeweiligen Auslässen (4) des rohrförmigen Hohlkörpers (1) angeordneten, gegeneinander und nach außen hin abgeschlossenen Hohlräumen (6) aufweist, der sich dadurch auszeichnet, daß die Abschlußwände der Hohlräume gegeneinander (7) aus einem faserverstärktem, vorzugsweise glasfaserverstärktem Kunststoff gefertigt sind und daß der faserverstärkte Kunststoff zusätzlich Kugeln (8), vorzugsweise Glaskugeln enthält.

Figure 00000001
The invention relates to a muffler which has a tubular hollow body ( 1 ) for the passage of a medium ( 2 ) in its interior with outlets ( 4 ), preferably holes or slots, and a jacket comprising the tubular hollow body ( 1 ) with behind the respective outlets ( 4 ) of the tubular hollow body ( 1 ) arranged, mutually and externally closed cavities ( 6 ), which is characterized in that the end walls of the cavities against each other ( 7 ) are made of a fiber-reinforced, preferably glass-fiber reinforced plastic and that the fiber-reinforced Plastic additionally contains balls ( 8 ), preferably glass balls.
Figure 00000001
EP98110063A 1997-06-13 1998-06-03 Muffler Withdrawn EP0884456A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19725003 1997-06-13
DE1997125003 DE19725003A1 (en) 1997-06-13 1997-06-13 Muffler and soundproofing material

Publications (2)

Publication Number Publication Date
EP0884456A2 EP0884456A2 (en) 1998-12-16
EP0884456A3 true EP0884456A3 (en) 1999-06-16

Family

ID=7832372

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98110063A Withdrawn EP0884456A3 (en) 1997-06-13 1998-06-03 Muffler

Country Status (2)

Country Link
EP (1) EP0884456A3 (en)
DE (1) DE19725003A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10102040A1 (en) * 2001-01-18 2002-07-25 Mahle Filtersysteme Gmbh Silencer, for a motor exhaust or turbo charger air intake, has a hollow body at the component to be suppressed containing a number of parallel Helmholtz resonators
DE10339539A1 (en) * 2003-08-26 2005-03-31 Abb Turbo Systems Ag Resonance silencer for exhaust gas-driven turbocharger of vehicle, includes chamber covering sheet with openings formed as slots along flow direction
DE102004062389B3 (en) * 2004-12-23 2006-06-29 Webasto Ag Exhaust silencer for a vehicle heater
DE202005007303U1 (en) * 2005-05-07 2006-09-07 Dolmar Gmbh Gardening or other hand held tool with combustion engine or electric motor, comprising muffler with inner vacuum chamber
EP1873364A1 (en) * 2006-06-29 2008-01-02 ABB Turbo Systems AG Silencer
CN104005492B (en) * 2014-05-16 2016-06-22 重庆大学 Quicksand type mixing energy-dissipating and shock-absorbing damping unit

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1982739U (en) * 1967-04-29 1968-04-04 Gewerk Eisenhuette Westfalia SILENCER.
DE2537788A1 (en) * 1975-08-25 1977-03-10 Siemens Ag Piezoelectric ultrasonic transducer - with wider bandwidth, and greater sensitivity when used as microphone
JPS61191196A (en) * 1985-02-20 1986-08-25 Toshiba Corp Speaker box
EP0337877A1 (en) * 1988-04-12 1989-10-18 Regie Nationale Des Usines Renault Silencer for internal-combustion engines
FR2660787A1 (en) * 1990-04-06 1991-10-11 Technologies Speciales Ingenie Anechoic screen
DE4228345A1 (en) * 1992-08-26 1993-03-11 Becker Wolf Juergen Univ Prof Ultrasonic transducer for liq. dispersion medium - has epoxy] hardened adaptation layer to prevent interfacial reflections

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19517364C2 (en) * 1995-05-11 2003-10-23 Johannes Ulrich Goertz Device and method for filling absorption silencers and their use

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1982739U (en) * 1967-04-29 1968-04-04 Gewerk Eisenhuette Westfalia SILENCER.
DE2537788A1 (en) * 1975-08-25 1977-03-10 Siemens Ag Piezoelectric ultrasonic transducer - with wider bandwidth, and greater sensitivity when used as microphone
JPS61191196A (en) * 1985-02-20 1986-08-25 Toshiba Corp Speaker box
EP0337877A1 (en) * 1988-04-12 1989-10-18 Regie Nationale Des Usines Renault Silencer for internal-combustion engines
FR2660787A1 (en) * 1990-04-06 1991-10-11 Technologies Speciales Ingenie Anechoic screen
DE4228345A1 (en) * 1992-08-26 1993-03-11 Becker Wolf Juergen Univ Prof Ultrasonic transducer for liq. dispersion medium - has epoxy] hardened adaptation layer to prevent interfacial reflections

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 011, no. 020 (E - 472) 20 January 1987 (1987-01-20) *

Also Published As

Publication number Publication date
EP0884456A2 (en) 1998-12-16
DE19725003A1 (en) 1998-12-17

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