EP1507682A1 - Vorrichtung zur geräuschgestaltung bei einem kraftfahrzeug - Google Patents
Vorrichtung zur geräuschgestaltung bei einem kraftfahrzeugInfo
- Publication number
- EP1507682A1 EP1507682A1 EP03712129A EP03712129A EP1507682A1 EP 1507682 A1 EP1507682 A1 EP 1507682A1 EP 03712129 A EP03712129 A EP 03712129A EP 03712129 A EP03712129 A EP 03712129A EP 1507682 A1 EP1507682 A1 EP 1507682A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- line
- valve device
- control
- valve
- motor vehicle
- 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
-
- 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
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/22—Methods or devices for transmitting, conducting or directing sound for conducting sound through hollow pipes, e.g. speaking tubes
-
- 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
-
- 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
Definitions
- the invention relates to a device for noise design in a motor vehicle according to the kind defined in the preamble of claim 1.
- a generic device is known from DE 44 35 296 AI. Such devices are intended to provide the driver of the motor vehicle, particularly when accelerating, with increased transmission of the noises generated by the internal combustion engine, on the one hand to enable a more intense driving experience and on the other hand to pass on more information about the load state of the internal combustion engine.
- valve device according to the invention in the line leading to or emanating from the hollow body, it is possible to reduce the cross section of the respective line and in this way to influence the noise transmitted by the device according to the invention into the interior and / or the space surrounding the motor vehicle , especially its volume.
- a control variable is applied to the valve device, various control variables being conceivable depending on the application or the desired noise transmission by means of the device according to the invention.
- the control variable is a pressure prevailing in the gas-carrying line.
- the gas-carrying line is an intake line leading to the internal combustion engine, and that a control line branches off in the flow direction in front of a throttle valve arranged in the intake line in order to remove the pressure.
- a simple constructive solution can consist in the control line opening into the valve device, so that the valve device is acted upon directly and thus actuated by the pressure in the intake line, which in turn primarily depends on the position of the throttle valve.
- FIG. 1 shows a schematic illustration of the device according to the invention for shaping noise with a valve device in the outlet line;
- FIG. 2 shows the device from FIG. 1 with a valve device in the input line, which is in the open state; 3 shows the device from FIG. 2 with the valve device in the closed state; and
- FIG. 4 shows an enlarged illustration of the valve device from FIG. 3.
- the 1 shows an intake line 2 leading to an internal combustion engine 1, generally a gas-carrying line, which is connected via an input line 3 to a device 4 for designing the noise generated by the internal combustion engine 1.
- the input line 3 could also branch off from another gas-carrying line of the internal combustion engine 1, e.g. from an exhaust pipe.
- the device 4, like the internal combustion engine 1, the intake line 2 and the input line 3, is located in a motor vehicle (not shown in its entirety) and is capable of both the noise in an interior 5 of the motor vehicle and in the environment to influence the same, whereby the basic structure and the mode of operation of the device 4 can be known, for example, from DE 100 42 012 AI.
- the device 4 has a hollow body 6, which is divided by a sound transmission device 7, in the present case by an oscillatable, gas-tight membrane 7a, into two rooms, namely an input room 8 and an output room 9.
- the membrane 7a consists of a gas-tight material in order to prevent gas from flowing over from the suction line 2 into the outlet line 10.
- the input space 8 is connected to the input line 3, whereas the output space 9 is followed by an output line 10, which in the present case leads to the interior 5 leads.
- the output line 10 it is also possible to lead the output line 10 to a space surrounding the motor vehicle, which is not shown here.
- the noises caused by pressure surges or pressure differences in the intake line 2 are introduced via the input line 3 into the input space 8 of the hollow body 6, whereby the sound transmission device 7 is acted upon and excited to oscillate. In the event of such an application, the sound transmission device 7 vibrates at a natural frequency which is typical of it and which is passed on to the output line 10 by the air in the output space 9.
- a valve device 11 is arranged in the output line 10, which serves to reduce the cross section of the output line 10 and thus to influence the noise generated by the sound transmission device 7 and transported on via the output line 10, by reducing the cross section of the output line 10 the transmitted volume is reduced.
- the valve device 11 is regulated as a function of a control variable, which will be discussed in more detail below with the aid of a particularly suitable exemplary embodiment.
- the valve device 11 is arranged in the inlet line 3 branching off from a suction tank 2, known branch 2a, and is thus able to reduce the cross section thereof.
- the valve device 11 can be located in the input line 3 and / or the output line 10.
- a control line 13 branches off, which in a housing 14 of the valve inlet direction 11 flows.
- the throttle valve 12 is open, which is the case when the driver accelerates and the internal combustion engine 1 is operated at full load or at least with a high load.
- the sound transmission device 7 is not formed by the membrane 7a but by an oscillatable element 7b which can oscillate about a pivot point 7c and thus guides the sound waves from the input space 3 into the output space 10.
- the pivot point 7c is located on an acoustically inactive wall 7d, which separates the input space 3 from the output space 10 and thus, like the membrane 7a described above, prevents gas from flowing over from the suction line 2 into the output line 10.
- Fig. 4 shows the specific configuration of the valve device 11, which has a flexible hose line 15 arranged in the housing 14, the clear width of which, as shown, is reduced when pressurized via the control line 13, if necessary to the extent that the passage through the Input line 3 is completely blocked.
- This can be influenced by the choice of the material of the hose line 15, which can be made of silicone, for example.
- the flexible hose line 15 In order to hold the flexible hose line 15 in the housing 14, the latter is clamped between the housing 14 and two tube pieces 16 and 17 which are arranged in the housing 14 and are spaced apart in the axial direction.
- control line 13 does not open into the valve device 11 but into a pressure measuring device or the like, a control device then being provided which, depending on the pressure in the control line 13, opens and closes of the valve device 11, whereby the valve device can be designed in all cases both as an open / close valve and as a quantity-controllable valve.
- other control variables could also be used for opening and closing the valve device 11, for example a pressure prevailing in an exhaust gas line or also a variable to be determined by the driver of the motor vehicle.
- valve device 11 it is conceivable to provide an adaptive control for the valve device 11 so that, for example, depending on the driving style of the driver, there is less or greater throttling of the noise generated by the device 4 and conducted into the interior 5 or the space surrounding the motor vehicle.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Air-Conditioning For Vehicles (AREA)
- Exhaust Silencers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10223875 | 2002-05-29 | ||
DE2002123875 DE10223875A1 (de) | 2002-05-29 | 2002-05-29 | Vorrichtung zur Geräuschgestaltung bei einem Kraftfahrzeug |
PCT/EP2003/003478 WO2003101780A1 (de) | 2002-05-29 | 2003-04-03 | Vorrichtung zur geräuschgestaltung bei einem kraftfahrzeug |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1507682A1 true EP1507682A1 (de) | 2005-02-23 |
EP1507682B1 EP1507682B1 (de) | 2006-03-01 |
Family
ID=29432417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03712129A Expired - Lifetime EP1507682B1 (de) | 2002-05-29 | 2003-04-03 | Vorrichtung zur geräuschgestaltung bei einem kraftfahrzeug |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1507682B1 (de) |
JP (1) | JP2005527740A (de) |
DE (2) | DE10223875A1 (de) |
WO (1) | WO2003101780A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2483942C1 (ru) * | 2012-03-11 | 2013-06-10 | Николай Сергеевич Кузнецов | Способ усиления звукового сигнала оповещения спецавтомобиля и устройство для его реализации |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6932189B2 (en) * | 2001-09-24 | 2005-08-23 | Daimlerchrysler Ag | Device for noise structuring in a motor vehicle |
DE10352704A1 (de) * | 2003-11-12 | 2005-06-16 | Mann + Hummel Gmbh | Vorrichtung zur Geräuschübertragung in einem Kraftfahrzeug mit Brennkraftmaschine |
DE102004041698B4 (de) * | 2004-08-28 | 2014-02-13 | Mann + Hummel Gmbh | Vorrichtung zur Geräuschübertragung in einem Kraftfahrzeug |
DE102004041699A1 (de) * | 2004-08-28 | 2006-03-02 | Mann + Hummel Gmbh | Vorrichtung zur Geräuschübertragung in einem Kraftfahrzeug |
JP4689363B2 (ja) | 2005-06-20 | 2011-05-25 | 日産自動車株式会社 | 増音装置 |
US7155333B1 (en) * | 2005-09-02 | 2006-12-26 | Arvin Technologies, Inc. | Method and apparatus for controlling sound of an engine by sound frequency analysis |
DE202005014862U1 (de) * | 2005-09-20 | 2007-02-01 | Mann + Hummel Gmbh | Vorrichtung zur Geräuschübertragung in einem Kraftfahrzeug |
FR2902224B1 (fr) * | 2006-06-08 | 2008-09-19 | Peugeot Citroen Automobiles Sa | Typage acoustique par helices |
FR2903805B1 (fr) * | 2006-07-12 | 2008-10-03 | Peugeot Citroen Automobiles Sa | Typage acoustique par une methode passive |
DE102007026416B4 (de) * | 2007-06-06 | 2014-09-04 | Audi Ag | Vorrichtung zur Beeinflussung des Ansauggeräusches einer Brennkraftmaschine |
DE202008006365U1 (de) * | 2008-05-08 | 2009-09-17 | Mann + Hummel Gmbh | Vorrichtung zur Geräuschübertragung in einem Kraftfahrzeug |
JP5238661B2 (ja) * | 2009-09-25 | 2013-07-17 | トヨタ自動車株式会社 | 車両の音響装置 |
DE102010005067B4 (de) * | 2010-01-15 | 2022-10-20 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Vorrichtung zur Geräuschübertragung |
GB201004447D0 (en) * | 2010-03-17 | 2010-05-05 | Trysome Ltd | Mapped sound generator |
US8915538B2 (en) | 2012-10-04 | 2014-12-23 | U.S. Farathane Corporation | Two shot double inverted acoustic hood to cowl seal |
US9828893B2 (en) | 2016-02-29 | 2017-11-28 | GM Global Technology Operations LLC | Sound control of an engine or other prime mover |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4233252C1 (de) * | 1992-10-02 | 1993-12-16 | Bayerische Motoren Werke Ag | Kraftfahrzeug, insbesondere PKW |
DE10042012B4 (de) * | 1999-11-22 | 2004-08-19 | Daimlerchrysler Ag | Vorrichtung zur Geräuschgestaltung bei einem Kraftfahrzeug |
DE10015697C1 (de) * | 2000-03-29 | 2001-12-20 | Wolf Woco & Co Franz J | Schallwandler für Abgaspulsationen |
-
2002
- 2002-05-29 DE DE2002123875 patent/DE10223875A1/de not_active Withdrawn
-
2003
- 2003-04-03 EP EP03712129A patent/EP1507682B1/de not_active Expired - Lifetime
- 2003-04-03 DE DE50302524T patent/DE50302524D1/de not_active Expired - Fee Related
- 2003-04-03 WO PCT/EP2003/003478 patent/WO2003101780A1/de active IP Right Grant
- 2003-04-03 JP JP2004509096A patent/JP2005527740A/ja active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO03101780A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2483942C1 (ru) * | 2012-03-11 | 2013-06-10 | Николай Сергеевич Кузнецов | Способ усиления звукового сигнала оповещения спецавтомобиля и устройство для его реализации |
Also Published As
Publication number | Publication date |
---|---|
DE50302524D1 (de) | 2006-04-27 |
WO2003101780A1 (de) | 2003-12-11 |
EP1507682B1 (de) | 2006-03-01 |
JP2005527740A (ja) | 2005-09-15 |
DE10223875A1 (de) | 2003-12-11 |
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