FR2820782B1 - SILENT WITH VARIABLE NOISE AMORTIZATION CHARACTERISTIC - Google Patents

SILENT WITH VARIABLE NOISE AMORTIZATION CHARACTERISTIC

Info

Publication number
FR2820782B1
FR2820782B1 FR0104774A FR0104774A FR2820782B1 FR 2820782 B1 FR2820782 B1 FR 2820782B1 FR 0104774 A FR0104774 A FR 0104774A FR 0104774 A FR0104774 A FR 0104774A FR 2820782 B1 FR2820782 B1 FR 2820782B1
Authority
FR
France
Prior art keywords
amortization
silent
characteristic
variable noise
noise
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 - Fee Related
Application number
FR0104774A
Other languages
French (fr)
Other versions
FR2820782A1 (en
Inventor
Bernd Fuhrmann
Anja Jester
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.)
Tenneco GmbH
Original Assignee
Heinrich Gillet GmbH
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 Heinrich Gillet GmbH filed Critical Heinrich Gillet GmbH
Publication of FR2820782A1 publication Critical patent/FR2820782A1/en
Application granted granted Critical
Publication of FR2820782B1 publication Critical patent/FR2820782B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/165—Silencing apparatus characterised by method of silencing by using movable parts for adjusting flow area

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Valves (AREA)
FR0104774A 2001-02-13 2001-04-09 SILENT WITH VARIABLE NOISE AMORTIZATION CHARACTERISTIC Expired - Fee Related FR2820782B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2001106589 DE10106589C1 (en) 2001-02-13 2001-02-13 Silencer with variable damping characteristics

Publications (2)

Publication Number Publication Date
FR2820782A1 FR2820782A1 (en) 2002-08-16
FR2820782B1 true FR2820782B1 (en) 2005-08-12

Family

ID=7673848

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0104774A Expired - Fee Related FR2820782B1 (en) 2001-02-13 2001-04-09 SILENT WITH VARIABLE NOISE AMORTIZATION CHARACTERISTIC

Country Status (2)

Country Link
DE (1) DE10106589C1 (en)
FR (1) FR2820782B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1408990B (en) * 2002-09-08 2012-04-25 章国标 Silencer
DE10311201A1 (en) * 2003-03-14 2004-09-30 Heinrich Gillet Gmbh Silencer with variable damping characteristics
DE10319212B4 (en) * 2003-04-29 2010-02-11 Heinrich Gillet Gmbh Silencer with variable acoustic properties
DE102005004674B4 (en) * 2005-02-02 2014-01-23 Eberspächer Exhaust Technology GmbH & Co. KG Device for silencing pulsating gas flows
ES2343133T3 (en) 2006-06-12 2010-07-23 Magneti Marelli España, S.A. MUFFLER PROVIDED WITH AN EXHAUST GAS CONTROL VALVE.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2072372A (en) * 1934-02-23 1937-03-02 Riethmiller Ruth Exhaust system for automotive engines
DE4136206A1 (en) * 1991-11-02 1993-05-06 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart, De EXHAUST SYSTEM OF A MOTOR VEHICLE PISTON ENGINE
DE19503322C2 (en) * 1995-02-02 2000-08-24 Gillet Heinrich Gmbh Silencer with variable damping characteristics
DE10020491A1 (en) * 2000-04-26 2002-03-14 Eberspaecher J Gmbh & Co Muffler system of a motor vehicle with variable damping characteristics

Also Published As

Publication number Publication date
FR2820782A1 (en) 2002-08-16
DE10106589C1 (en) 2002-08-01

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Legal Events

Date Code Title Description
CJ Change in legal form
ST Notification of lapse

Effective date: 20091231