FR2862339B1 - DEVICE FOR DISSIPATING ACOUSTIC ENERGY IN A THERMAL ENGINE - Google Patents

DEVICE FOR DISSIPATING ACOUSTIC ENERGY IN A THERMAL ENGINE

Info

Publication number
FR2862339B1
FR2862339B1 FR0313499A FR0313499A FR2862339B1 FR 2862339 B1 FR2862339 B1 FR 2862339B1 FR 0313499 A FR0313499 A FR 0313499A FR 0313499 A FR0313499 A FR 0313499A FR 2862339 B1 FR2862339 B1 FR 2862339B1
Authority
FR
France
Prior art keywords
acoustic energy
thermal engine
dissipating acoustic
dissipating
engine
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
FR0313499A
Other languages
French (fr)
Other versions
FR2862339A1 (en
Inventor
Julien Feasson
Akli Khelifi
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.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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 Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Priority to FR0313499A priority Critical patent/FR2862339B1/en
Publication of FR2862339A1 publication Critical patent/FR2862339A1/en
Application granted granted Critical
Publication of FR2862339B1 publication Critical patent/FR2862339B1/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
    • F01N1/18—Silencing apparatus characterised by method of silencing by using movable parts having rotary movement
    • 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
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • 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
    • F01N1/166—Silencing apparatus characterised by method of silencing by using movable parts for changing gas flow path through the silencer or for adjusting the dimensions of a chamber or a pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1205—Flow throttling or guiding
    • F02M35/1216—Flow throttling or guiding by using a plurality of holes, slits, protrusions, perforations, ribs or the like; Surface structures; Turbulence generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1205—Flow throttling or guiding
    • F02M35/1222—Flow throttling or guiding by using adjustable or movable elements, e.g. valves, membranes, bellows, expanding or shrinking elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
FR0313499A 2003-11-18 2003-11-18 DEVICE FOR DISSIPATING ACOUSTIC ENERGY IN A THERMAL ENGINE Expired - Fee Related FR2862339B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0313499A FR2862339B1 (en) 2003-11-18 2003-11-18 DEVICE FOR DISSIPATING ACOUSTIC ENERGY IN A THERMAL ENGINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0313499A FR2862339B1 (en) 2003-11-18 2003-11-18 DEVICE FOR DISSIPATING ACOUSTIC ENERGY IN A THERMAL ENGINE

Publications (2)

Publication Number Publication Date
FR2862339A1 FR2862339A1 (en) 2005-05-20
FR2862339B1 true FR2862339B1 (en) 2007-05-11

Family

ID=34508560

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0313499A Expired - Fee Related FR2862339B1 (en) 2003-11-18 2003-11-18 DEVICE FOR DISSIPATING ACOUSTIC ENERGY IN A THERMAL ENGINE

Country Status (1)

Country Link
FR (1) FR2862339B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7584821B2 (en) * 2007-01-23 2009-09-08 Gm Global Technology Operations, Inc. Adjustable helmholtz resonator
US10071664B2 (en) * 2016-10-21 2018-09-11 Ford Global Technologies, Llc System and method for variable sound dampening in an adjustable vehicle seat

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5776220A (en) * 1980-10-29 1982-05-13 Nippon Radiator Co Ltd Muffler
JPH03185210A (en) * 1989-12-15 1991-08-13 Nissan Motor Co Ltd Exhaust noise eliminator
US5614699A (en) 1994-05-09 1997-03-25 Nissan Motor Co., Ltd. Automobile exhaust noise suppressor
FR2743848B1 (en) * 1996-01-24 1998-04-10 Peugeot ADJUSTABLE MITIGATION OF NOISE EMITTED BY CIRCULATING GASES OF A MOTOR VEHICLE
US5930371A (en) * 1997-01-07 1999-07-27 Nelson Industries, Inc. Tunable acoustic system
JP2002155741A (en) 2000-09-11 2002-05-31 Calsonic Kansei Corp Control muffler
US6732510B2 (en) * 2002-02-06 2004-05-11 Arvin Technologies, Inc. Exhaust processor with variable tuning system

Also Published As

Publication number Publication date
FR2862339A1 (en) 2005-05-20

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100730