EP1982055A1 - Verfahren zum erzeugen eines frequenzspektrums in einer auspuffrohrleitung einer hubkolbenmaschine - Google Patents
Verfahren zum erzeugen eines frequenzspektrums in einer auspuffrohrleitung einer hubkolbenmaschineInfo
- Publication number
- EP1982055A1 EP1982055A1 EP03757989A EP03757989A EP1982055A1 EP 1982055 A1 EP1982055 A1 EP 1982055A1 EP 03757989 A EP03757989 A EP 03757989A EP 03757989 A EP03757989 A EP 03757989A EP 1982055 A1 EP1982055 A1 EP 1982055A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- exhaust pipe
- frequency spectrum
- throttle valve
- signal generator
- producing
- 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.)
- Granted
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
- F01N1/168—Silencing apparatus characterised by method of silencing by using movable parts for controlling or modifying silencing characteristics only
-
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K15/00—Acoustics not otherwise provided for
- G10K15/02—Synthesis of acoustic waves
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K15/00—Acoustics not otherwise provided for
- G10K15/04—Sound-producing devices
-
- 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
- F01N2470/10—Tubes having non-circular cross section
Definitions
- the invention relates to a method for generating a frequency spectrum in an exhaust pipe of a reciprocating piston machine according to the preamble of claim 1 and a device suitable therefor.
- EP 0 649 494 B1 it is intended to achieve a reduction in the sound level or a change in the timbre by damping with the throttle valve acting as a flow modulator in the exhaust pipe.
- the vibration of the throttle valve only serves to calm the flow.
- Increasing the roughness which is synonymous with a sportier sound, is not possible.
- the invention has for its object to provide a method for generating a frequency spectrum in an exhaust pipe of a reciprocating engine, in which a frequency spectrum in the sense of a sound design is generated by additional sound generation.
- Another object of the invention is to provide devices suitable for sound design.
- the drive of the throttle valve is controlled with a signal generator such that the oscillating throttle valve generates the desired frequency spectrum.
- noise or pressure pulsations and modulations can also be generated and superimposed on the flow in the exhaust pipe.
- a programming unit can generate and superimpose signal patterns that have no relation to the motor or the flow.
- the throttle valve is used not only for damping, but also for sound generation or the generation of additional pressure fluctuations.
- the connected pipelines By suitably dimensioning the connected pipelines, they can be resonated in a targeted manner or used as a resonance body for the desired amplification of certain frequencies.
- the invention makes it possible to carry out a sound design in the exhaust gas flow of a reciprocating piston engine, whereby reciprocating piston engines are primarily to be understood as internal combustion engines such as gasoline and diesel engines.
- Figure 1 is a schematic representation of the control of the sound design in one
- FIG. 2 is an illustration in which the exhaust pipe is segmented.
- FIG. 1 shows an exhaust pipe 1 with a flange 2 and a resonance pipe 3.
- a throttle valve 4 with a drive 5 is arranged in the exhaust pipe 1.
- Sensors 6a, 6b, 6c and 6d are arranged on the exhaust pipe 1 and are connected to a signal generator 8 and a control unit 11 for the drive 5.
- the signal generator 8 is also connected to a programming unit 9.
- Engine data sensors 7 are also connected to signal generator 8, as are external sensors 10 from the vehicle interior.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Combustion & Propulsion (AREA)
- Multimedia (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Exhaust Silencers (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Characterised By The Charging Evacuation (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10248607A DE10248607A1 (de) | 2002-10-17 | 2002-10-17 | Verfahren zum Erzeugen eines Frequenzspektrums in einer Auspuffrohrleitung einer Hubkolbenmaschine |
PCT/EP2003/011462 WO2004036001A1 (de) | 2002-10-17 | 2003-10-16 | Verfahren zum erzeugen eines frequenzspektrums in einer auspuffrohrleitung einer hubkolbenmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1982055A1 true EP1982055A1 (de) | 2008-10-22 |
EP1982055B1 EP1982055B1 (de) | 2009-07-22 |
Family
ID=32087003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03757989A Expired - Lifetime EP1982055B1 (de) | 2002-10-17 | 2003-10-16 | Verfahren zum erzeugen eines frequenzspektrums in einer auspuffrohrleitung einer hubkolbenmaschine |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1982055B1 (de) |
AT (1) | ATE437296T1 (de) |
DE (2) | DE10248607A1 (de) |
WO (1) | WO2004036001A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7155333B1 (en) * | 2005-09-02 | 2006-12-26 | Arvin Technologies, Inc. | Method and apparatus for controlling sound of an engine by sound frequency analysis |
JP4341608B2 (ja) | 2005-11-01 | 2009-10-07 | トヨタ自動車株式会社 | エンジン音制御装置 |
US7673720B2 (en) | 2006-03-02 | 2010-03-09 | Pacbrake Company | High-performance muffler assembly with multiple modes of operation |
DE102006034176A1 (de) * | 2006-05-02 | 2007-11-08 | Arvinmeritor Emissions Technologies Gmbh | Vorrichtung zur Beeinflussung einer Abgasströmung und Verfahren zur Herstellung derselben |
DE102006035297B4 (de) * | 2006-07-31 | 2012-08-30 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Abgasanlage einer Brennkraftmaschine |
JP2009108775A (ja) * | 2007-10-30 | 2009-05-21 | Toyota Motor Corp | 内燃機関排気絞り弁開度制御装置 |
DE102012017902B4 (de) * | 2012-09-11 | 2023-05-17 | Christian Emile Marie Carme | Vorrichtung zur Beeinflussung des Abgasmündungsgeräuschs eines Kraftfahrzeugs |
US8905187B2 (en) | 2012-09-11 | 2014-12-09 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Device and method for manipulating the exhaust outlet noise of a motor vehicle |
AU2017268707B2 (en) * | 2016-05-27 | 2022-05-19 | Ivex Pty Ltd | Control system for a valve |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2613089B1 (fr) * | 1987-03-24 | 1993-09-03 | Centre Nat Rech Scient | Procede et dispositif pour la reduction des fluctuations de debit d'un ecoulement fluide dans une canalisation |
FR2693505B1 (fr) * | 1992-07-07 | 1994-09-09 | Centre Ntl Recherche Scient | Ligne d'admission ou d'échappement pour machine alternative. |
DE4416739C2 (de) * | 1994-05-12 | 1999-06-17 | Alpha Technik Gmbh | Vorrichtung zur Schallreduzierung bei Verbrennungsmotoren |
DE4439705A1 (de) * | 1994-11-05 | 1996-05-09 | Gillet Heinrich Gmbh | Vorrichtung zur Reduzierung der Druckpulsationen in gasführenden Rohren |
DE19911338A1 (de) * | 1999-03-15 | 2000-09-21 | Volkswagen Ag | Brennkraftmaschine mit einer Abgasregelvorrichtung |
DE10055399A1 (de) * | 1999-11-20 | 2001-05-23 | Mann & Hummel Filter | Verfahren und Vorrichtung zur Beeinflussung des Schalls im Ansaugtrakt einer Verbrennungsmotors |
-
2002
- 2002-10-17 DE DE10248607A patent/DE10248607A1/de not_active Withdrawn
-
2003
- 2003-10-16 AT AT03757989T patent/ATE437296T1/de not_active IP Right Cessation
- 2003-10-16 DE DE50311740T patent/DE50311740D1/de not_active Expired - Lifetime
- 2003-10-16 WO PCT/EP2003/011462 patent/WO2004036001A1/de active Application Filing
- 2003-10-16 EP EP03757989A patent/EP1982055B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO2004036001A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1982055B1 (de) | 2009-07-22 |
DE10248607A1 (de) | 2004-05-06 |
DE50311740D1 (de) | 2009-09-03 |
ATE437296T1 (de) | 2009-08-15 |
WO2004036001A1 (de) | 2004-04-29 |
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