EP1936605A2 - Acoustic transmission device - Google Patents
Acoustic transmission device Download PDFInfo
- Publication number
- EP1936605A2 EP1936605A2 EP07020557A EP07020557A EP1936605A2 EP 1936605 A2 EP1936605 A2 EP 1936605A2 EP 07020557 A EP07020557 A EP 07020557A EP 07020557 A EP07020557 A EP 07020557A EP 1936605 A2 EP1936605 A2 EP 1936605A2
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- EP
- European Patent Office
- Prior art keywords
- transmission device
- sound transmission
- noise
- sound
- 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.)
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 99
- 239000007787 solid Substances 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 description 6
- 239000012528 membrane Substances 0.000 description 6
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
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- 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
- G10K11/24—Methods or devices for transmitting, conducting or directing sound for conducting sound through solid bodies, e.g. wires
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- 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
- F02M35/1294—Amplifying, modulating, tuning or transmitting sound, e.g. directing sound to the passenger cabin; Sound modulation
Definitions
- the invention relates to a sound transmission device for sound transmission of operating noise of a motor vehicle, in particular of the air filter noise, in the interior of the motor vehicle, with a transmission line for transmitting the noise from the noise source in the interior of the motor vehicle.
- the DE 101 16 169 C2 discloses a sound transmission device for targeted sound transmission from an intake of an internal combustion engine of a motor vehicle to an interior of the motor vehicle.
- the sound transmission device has a hollow transmission line which communicates with an inlet end to the intake tract and radiates the sound to the vehicle interior through an output end.
- the sound transmission device has an oscillatable first membrane, wherein in the transmission line on the side facing away from the input end of the first membrane, a second membrane is arranged, which closes the cross-section of the transmission line gas-tight.
- the DE 197 47 271 A1 relates to a motor vehicle with an internal combustion engine, in whose intake a consisting of a Rohluftschale and a clean air shell air filter housing is provided which is arranged opposite the passenger compartment motor compartment sealed and secured to the vehicle body, and wherein the Rohluftschalen wall has an opening at which a connected by an acoustic membrane sealed channel.
- the channel wall is formed by a voltage applied to the Rohluftschalen wall, in cross section adapted to the breakthrough and at least slightly flexible, annular sealing element which abuts with its opposite end to a sheet metal part of the body, so that this sheet metal part forms the acoustic membrane.
- a disadvantage of the known from the prior art sound transmission devices is that the sound transmission devices are subject by complex design measures on the one hand increased assembly and maintenance and on the other external and intricately designed transmission lines or the like are necessary to the noise from the noise source in the Interior of the vehicle to transport.
- the object of the present invention is therefore to provide a sound transmission device which circumvents the disadvantages mentioned, is simple and inexpensive to manufacture and is also designed to be almost maintenance-free. This object is achieved by a sound transmission device according to claim 1.
- the sound transmission device is characterized in that the transmission line is at least partially formed by at least one already originally, independently of the sound transmission, on the motor vehicle existing component.
- This has the advantage that no further means are necessary to direct the noise from the noise source into the interior of the motor vehicle.
- the cost of the sound transmission device can thus be significantly reduced.
- the proposed invention can be integrated virtually maintenance-free and extremely space-saving in the engine compartment of a motor vehicle.
- the components used or used for transmitting the sound noises in this sense fulfill a dual function on the motor vehicle. By eliminating or very low installation costs, the costs can be further reduced.
- the component is a component that is present in series or produced, preferably a part of the body forming component.
- the component is a component that is present in series or produced, preferably a part of the body forming component.
- the component is solid, substantially cavity-less, is formed. This has the advantage that no contamination or impurities can get into the transmission line and at the same time a very robust design of the transmission line can be achieved.
- This component may be, for example, a fender, transverse or longitudinal members or other body parts but also motor elements.
- the wide range can make up or represent 40% to 100%, preferably 90% to 100%, of the transmission line. The farther the region is formed or the more existing components can be used and used to transmit the noise, the lower the assembly costs and the lower the costs for producing or providing a sound transmission device.
- a preferred embodiment of the invention provides that means are provided, with which the noise from the noise source can be coupled into the transmission line or transmitted from the transmission line into the interior of the motor vehicle.
- the means may be formed, for example, in the manner of a funnel, a membrane, a reflector and / or a resonator or the like.
- means for influencing noise are provided, such that the sound spectrum of the noise can be changed.
- changes in the volume, intensity and sound of the sound would be conceivable.
- a further preferred embodiment of the invention provides that the transmission line can consist at least in regions of at least one transmission means provided specifically for sound transmission. This means that it is conceivable, in addition to supplementing or replacing the components present in the motor vehicle, to use supporting transmission means for transmitting noise.
- the transmission means may be formed, for example, in the manner of a hose and / or pipe and extend substantially from the noise source, such as an air filter, medium and / or directly into the interior of the motor vehicle.
- the transmission means may be formed in this case in the manner of a sound conduit.
- the transmission means in the manner of a strut, a carrier and / or a bracket or the like.
- a cross member a cross member
- a vehicle longitudinal member a cross member
- Perforations on the bottom plate or a targeted weakening of the insulation could also serve to control the noise intensity in this case.
- the noise into a screwed in structural reinforcement from a front longitudinal member, via a spring strut dome via the dome struts to a cowl cross member.
- a variety of other ways or ways or types of noise transmission are conceivable.
- a further embodiment provides that the transmission means can be channel-shaped or channel-like.
- the transmission means can be channel-shaped or channel-like.
- the channel could extend along the edge of the hood extending over a portion of the fender.
- a variety of other configurations are conceivable.
- the transmission means can be provided to releasably secure the transmission means to the body, body components and / or engine elements.
- the transmission means could be removed or removed as needed, for example, major repairs in the field of internal combustion engine.
- a particularly preferred embodiment of the invention provides that the transmission means with respect to the body or on body components of the motor vehicle has structure-stiffening properties.
- a screw-in structure stiffener which is simultaneously designed as a sound conduction, in the manner of a pipe, a strut or the like may be formed.
- Fig. 1 shows a first embodiment of a sound transmission device 1 in a schematic representation.
- the sound transmission device 1 is integrated in a motor vehicle 2.
- the motor vehicle 2 has an internal combustion engine 3 with an air filter element 4 arranged thereon.
- the air filter element 4 generates an air filter noise which is to be conducted by means of the sound transmission device 1 into the interior 5 of the motor vehicle 2.
- the sound transmission device 1 picks up the noise centrally and / or directly in the area of the air filter element 4, from where the noise is first coupled into a cross member 6 (crash cross member) and subsequently via a side member 7 substantially into the interior 5 of the Motor vehicle 2 transmits.
- the cross member 6 and the longitudinal member 7 are already originally, regardless of the sound transmission, existing on the motor vehicle 2 components.
- the transmission line 8 for the forwarding of the noise is thus essentially formed by the components of the cross member 6 and the longitudinal member 7.
- a conceivable cheap and easy to implement sound transmission device is realized, which is characterized by a nearly assembly and maintenance-free design.
- the longitudinal member 7 terminates at an end wall 22, which closes the interior 5 to the internal combustion engine 3 receiving space.
- an end wall cross member 23 is arranged on the end wall 22, which extends substantially over the width of the motor vehicle 2. It can be provided that the noise-conducting interior of one of the longitudinal members 7 is connected to the interior formed in the end wall cross member 23, so that the transmission line 8 is now formed by the components cross member 6, longitudinal member 7 and end wall cross member 23.
- the front wall cross member 23 ensures this, despite one-sided introduction of the noise via one of the longitudinal beams 7 in the interior 5, for a uniform over the width of the motor vehicle 2 radiation of the noise in the interior 5.
- To improve the introduction of the noise in the interior 5 of the End wall crossmember 23 thereto also be at least partially perforated.
- a separate hose or pipe may be used to to guide the noise from the air filter element 4 to the end wall cross member 23.
- the property of the end wall cross member is used to distribute the noise in its entry into the interior in the same manner as described above.
- Fig. 2 shows another embodiment of a sound transmission device 9.
- the sound transmission device 9 and the transmission line 10 are in this case formed by a permanently installed strut 11 and a contacting with the strut 11 strut tower 12.
- the noise is removed from the air filter element 13 and coupled into the strut 11. From there, the noise is conducted via the strut tower strut 12 into the interior 14 of the motor vehicle 15.
- the strut tower strut 12 is also a component originally present on the motor vehicle 15, independently of the sound transmission.
- the strut 11 can have structural reinforcing properties as an additional component and can be formed, for example, by a pipe or the like.
- Fig. 3 shows a third embodiment of a sound transmission device 16.
- Fig. 4 shows the enlarged section or detail representation according to the in Fig. 3 shown sectioning AA.
- the detail view shows the channel 19 which is mounted in the fender 18, in an enlarged view.
- the channel 19 may be connected directly to the fender 18 or be made in one piece with this.
- About the channel 19 is partially the hood 20 of the motor vehicle to the plant. But it is also conceivable to arrange the channel 19 releasably on the fender.
Abstract
Description
Die Erfindung betrifft eine Schallübertragungsvorrichtung zur Schallübertragung eines Betriebsgeräuschs eines Kraftfahrzeugs, insbesondere des Luftfiltergeräuschs, in den Innenraum des Kraftfahrzeugs, mit einer Übertragungsleitung zur Übertragung des Geräuschs von der Geräuschquelle in den Innenraum des Kraftfahrzeugs.The invention relates to a sound transmission device for sound transmission of operating noise of a motor vehicle, in particular of the air filter noise, in the interior of the motor vehicle, with a transmission line for transmitting the noise from the noise source in the interior of the motor vehicle.
Da Fahrzeuge der Luxus- und vor allem Sportwagenklasse im Innenraum einen sehr niedrigen Schalldruckpegel aufweisen, ist es für den Fahrer sehr schwer, allein aufgrund des im Innenraum des Kraftfahrzeugs herrschenden Motorengeräuschs den momentanen Belastungszustand der im Kraftfahrzeug angeordneten Brennkraftmaschine wahrzunehmen. Dies ist aber gerade im Sektor Sportwagen erwünscht, da es sich gerade hier um Fahrzeuge handelt, bei welchen subjektive Eindrücke des Fahrers bei der Benutzung und beim Kauf eines solchen Kraftfahrzeugs eine gewichtige Rolle spielen.Since vehicles of the luxury and especially sports car class in the interior have a very low sound pressure level, it is very difficult for the driver to perceive the instantaneous load state of the engine arranged in the motor vehicle, solely because of the prevailing in the interior of the motor vehicle engine noise. However, this is particularly desirable in the sports car sector, since it is just about vehicles in which subjective impressions of the driver play an important role in the use and purchase of such a motor vehicle.
Aus dem Stand der Technik sind Schallübertragungsvorrichtungen bekannt.From the prior art sound transmission devices are known.
Die
Die
Nachteilig an den aus dem Stand der Technik bekannten Schallübertragungsvorrichtungen ist jedoch, dass die Schallübertragungsvorrichtungen durch aufwendige konstruktive Maßnahmen zum einen einem erhöhten Montage- und Wartungsaufwand unterliegen und zum anderen externe und aufwendig gestaltete Übertragungsleitungen oder dergleichen notwendig sind, um das Geräusch von der Geräuschquelle in den Innenraum des Fahrzeugs zu transportieren.A disadvantage of the known from the prior art sound transmission devices, however, is that the sound transmission devices are subject by complex design measures on the one hand increased assembly and maintenance and on the other external and intricately designed transmission lines or the like are necessary to the noise from the noise source in the Interior of the vehicle to transport.
Die Aufgabe der vorliegenden Erfindung ist somit, eine Schallübertragungsvorrichtung zu schaffen, die die genannten Nachteile umgeht, einfach und kostengünstig herzustellen ist und darüber hinaus nahezu wartungsfrei ausgebildet ist. Diese Aufgabe wird durch eine Schallübertragungsvorrichtung gemäß dem Anspruch 1 gelöst.The object of the present invention is therefore to provide a sound transmission device which circumvents the disadvantages mentioned, is simple and inexpensive to manufacture and is also designed to be almost maintenance-free. This object is achieved by a sound transmission device according to claim 1.
Vorteilhafte Ausführungsformen der Erfindung sind Gegenstand der Unteransprüche.Advantageous embodiments of the invention are the subject of the dependent claims.
Erfindungsgemäß ist die Schallübertragungsvorrichtung dadurch gekennzeichnet, dass die Übertragungsleitung zumindest bereichsweise von mindestens einem bereits ursprünglich, unabhängig von der Schallübertragung, am Kraftfahrzeug vorhandenen Bauteil gebildet wird. Dies hat den Vorteil, dass keine weiteren Mittel notwendig sind, um das Geräusch von der Geräuschquelle in den Innenraum des Kraftfahrzeugs zu leiten. Die Kosten für die Schallübertragungsvorrichtung können somit signifikant gesenkt werden. Zudem kann die vorgeschlagene Erfindung nahezu Wartungsfrei und äußerst Platz sparend in den Motorraum eines Kraftfahrzeugs integriert werden. Die zur Übertragung der Schallgeräusche herangezogenen beziehungsweise genutzten Bauteile erfüllen in diesem Sinne eine Doppelfunktion am Kraftfahrzeug. Durch entfallende beziehungsweise sehr geringe Montagekosten können die Kosten nochmals gesenkt werden.According to the invention, the sound transmission device is characterized in that the transmission line is at least partially formed by at least one already originally, independently of the sound transmission, on the motor vehicle existing component. This has the advantage that no further means are necessary to direct the noise from the noise source into the interior of the motor vehicle. The cost of the sound transmission device can thus be significantly reduced. In addition, the proposed invention can be integrated virtually maintenance-free and extremely space-saving in the engine compartment of a motor vehicle. The components used or used for transmitting the sound noises in this sense fulfill a dual function on the motor vehicle. By eliminating or very low installation costs, the costs can be further reduced.
Eine Ausführungsform sieht vor, dass es sich bei dem Bauteil um ein serienmäßig vorhandenes beziehungsweise produziertes, bevorzugt einen Teil der Karosserie bildendes, Bauteil handelt. So ist beispielsweise denkbar, dass Geräusch über die Längs-und/oder Querträger einer Fahrzeugkarosserie oder über Bereiche beziehungsweise Teile des Kotflügels oder dergleichen zu übertragen.One embodiment provides that the component is a component that is present in series or produced, preferably a part of the body forming component. For example, it is conceivable to transmit noise via the longitudinal and / or cross members of a vehicle body or over areas or parts of the wing or the like.
Denkbar ist ferner, dass das Bauteil massiv, im Wesentlichen Hohlraumlos, ausgebildet ist. Dies hat den Vorteil, dass keine Verschmutzungen oder Verunreinigungen in die Übertragungsleitung gelangen können und gleichzeitig eine sehr robuste Ausbildung der Übertragungsleitung erzielt werden kann.It is also conceivable that the component is solid, substantially cavity-less, is formed. This has the advantage that no contamination or impurities can get into the transmission line and at the same time a very robust design of the transmission line can be achieved.
Um eine besonders günstige Ausgestaltung der Schallübertragungsvorrichtung zu gewährleisten kann vorgesehen sein, dass weite Bereiche der Übertragungsleitung von einem ursprünglich vorhandenen Bauteil gebildet werden. Bei diesem Bauteil kann es sich beispielsweise um einen Kotflügel, Quer- oder Längsträger oder andere Karosserieteile aber auch Motorelemente handeln.In order to ensure a particularly favorable embodiment of the sound transmission device can be provided that wide areas of the transmission line are formed by an originally existing component. This component may be, for example, a fender, transverse or longitudinal members or other body parts but also motor elements.
Der weite Bereich kann dabei 40 % bis 100 %, vorzugsweise 90 % bis 100 %, der Übertragungsleitung ausmachen beziehungsweise darstellen. Je weiter der Bereich ausgebildet ist beziehungsweise je mehr vorhandener Bauteile genutzt und zur Übertragung des Geräuschs eingesetzt werden können, desto geringer wird der Montageaufwand und desto geringer werden die Kosten zur Herstellung beziehungsweise Bereitstellung einer Schallübertragungsvorrichtung.The wide range can make up or represent 40% to 100%, preferably 90% to 100%, of the transmission line. The farther the region is formed or the more existing components can be used and used to transmit the noise, the lower the assembly costs and the lower the costs for producing or providing a sound transmission device.
Eine bevorzugte Ausführungsform der Erfindung sieht vor, dass Mittel vorgesehen sind, mit dem das Geräusch von der Geräuschquelle in die Übertragungsleitung eingekoppelt bzw. von der Übertragungsleitung in den Innenraum des Kraftfahrzeugs übertragen werden kann. Die Mittel können beispielsweise in der Art eines Trichters, einer Membrane, eines Reflektors und/oder eines Resonators oder dergleichen ausgebildet sein. , 'A preferred embodiment of the invention provides that means are provided, with which the noise from the noise source can be coupled into the transmission line or transmitted from the transmission line into the interior of the motor vehicle. The means may be formed, for example, in the manner of a funnel, a membrane, a reflector and / or a resonator or the like. , '
Ferner kann vorgesehen sein, dass Mittel zur Geräuschbeeinflussung vorgesehen sind, dergestalt, dass das Schallspektrum des Geräuschs veränderbar ist. So wären beispielsweise Veränderungen hinsichtlich der Lautstärke, Intensität und des Klangbilds des Geräuschs denkbar.Furthermore, it can be provided that means for influencing noise are provided, such that the sound spectrum of the noise can be changed. For example, changes in the volume, intensity and sound of the sound would be conceivable.
Eine weitere bevorzugte Ausführungsform der Erfindung sieht vor, dass die Übertragungsleitung zumindest bereichsweise aus zumindest einem eigens für die Schallübertragung bereitgestellten Übertragungsmittel bestehen kann. Dass heißt, dass es denkbar ist, zusätzlich, ergänzend oder ersetzend zu den im Kraftfahrzeug vorhandenen Bauteilen unterstützende Übertragungsmittel zur Geräuschübertragung einzusetzen.A further preferred embodiment of the invention provides that the transmission line can consist at least in regions of at least one transmission means provided specifically for sound transmission. This means that it is conceivable, in addition to supplementing or replacing the components present in the motor vehicle, to use supporting transmission means for transmitting noise.
Die Übertragungsmittel können beispielsweise in der Art einer Schlauch- und/oder Rohrleitung ausgebildet sein und sich im Wesentlichen von der Geräuschquelle, beispielsweise einem Luftfilter, mittel- und/oder unmittelbar bis in den Innenraum des Kraftfahrzeugs erstrecken. Die Übertragungsmittel können in diesem Fall in der Art einer Schallleitung ausgebildet sein.The transmission means may be formed, for example, in the manner of a hose and / or pipe and extend substantially from the noise source, such as an air filter, medium and / or directly into the interior of the motor vehicle. The transmission means may be formed in this case in the manner of a sound conduit.
Ferner ist denkbar, die Übertragungsmittel in der Art einer Strebe, eines Trägers und/oder eines Bügels oder dergleichen auszubilden. So wären beispielsweise Einkopplungen des Geräuschs in einen Querträger (Crashquerträger) und weiter in einen Fahrzeuglängsträger zum Fußraum des Kraftfahrzeugs denkbar. Perforationen am Bodenblech beziehungsweise eine gezielte Schwächung der Dämmung könnten in diesem Falle ebenfalls zur Steuerung der Geräuschintensität dienen. Denkbar wäre auch eine Einkopplung des Geräuschs in eine eingeschraubte Strukturversteifung von einem vorderen Längsträger, über einen Federbeindom über die Domstreben zu einem Windlaufquerträger. Darüber hinaus sind natürlich noch eine Vielzahl anderer Möglichkeiten beziehungsweise Wege oder Arten der Geräuschübertragung denkbar.Furthermore, it is conceivable to form the transmission means in the manner of a strut, a carrier and / or a bracket or the like. For example, couplings of the noise into a cross member (crash cross member) and further into a vehicle longitudinal member would be conceivable for the footwell of the motor vehicle. Perforations on the bottom plate or a targeted weakening of the insulation could also serve to control the noise intensity in this case. It would also be conceivable to couple the noise into a screwed in structural reinforcement from a front longitudinal member, via a spring strut dome via the dome struts to a cowl cross member. In addition, of course, a variety of other ways or ways or types of noise transmission are conceivable.
Eine weitere Ausführungsform sieht vor, dass das Übertragungsmittel Kanalförmig bzw. Kanalartig ausgebildet sein kann. So wäre denkbar, die Einkopplung des Geräuschs in einen am Kotflügel angebrachten Kanal durchzuführen. Der Kanal könnte sich am Rand der Motorhaube verlaufend über einen Teil des Kotflügels erstrecken. Auch bei dieser Ausführungsform sind eine Vielzahl anderer Ausgestaltungen denkbar.A further embodiment provides that the transmission means can be channel-shaped or channel-like. Thus, it would be conceivable to carry out the coupling of the noise into a channel attached to the fender. The channel could extend along the edge of the hood extending over a portion of the fender. Also in this embodiment, a variety of other configurations are conceivable.
Ferner kann vorgesehen sein, das Übertragungsmittel lösbar an der Karosserie, Karosseriebauteilen und/oder Motorelementen zu befestigen. Das Übertragungsmittel könnte so bei Bedarf, beispielsweise größeren Reparaturen im Bereich der Brennkraftmaschine, entfernt beziehungsweise ausgebaut werden.Furthermore, it can be provided to releasably secure the transmission means to the body, body components and / or engine elements. The transmission means could be removed or removed as needed, for example, major repairs in the field of internal combustion engine.
Eine besonders bevorzugte Ausführungsform der Erfindung sieht vor, dass das Übertragungsmittel im Hinblick auf die Karosserie bzw. auf Karosseriebauteile des Kraftfahrzeugs Strukturversteifende Eigenschaften besitzt. So könnte beispielsweise eine einschraubbare Strukturversteifung welche gleichzeitig als Schallleitung ausgebildet ist, in der Art eines Rohrs, einer Strebe oder dergleichen ausgebildet sein.A particularly preferred embodiment of the invention provides that the transmission means with respect to the body or on body components of the motor vehicle has structure-stiffening properties. Thus, for example, a screw-in structure stiffener which is simultaneously designed as a sound conduction, in the manner of a pipe, a strut or the like may be formed.
Es versteht sich, dass die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind, ohne den Rahmen der vorliegenden Erfindung zu verlassen.It is understood that the features mentioned above and those yet to be explained below can be used not only in the particular combination given, but also in other combinations or in isolation, without departing from the scope of the present invention.
Verschiedene Ausführungsbeispiele der Erfindung werden im folgenden anhand der Zeichnungen näher erläutert. Es zeigen:
- Fig. 1
- eine erste Ausführungsform einer Schallübertragungsvorrichtung;
- Fig. 2
- eine zweite Ausführungsform einer Schallübertragungsvorrichtung;
- Fig. 3
- eine dritte Ausführungsform einer Schallübertragungsvorrichtung;
- Fig. 4
- die Schnittansicht beziehungsweise Detailansicht A-A gem.
Fig. 3 in einer vergrößerten Ansicht.
- Fig. 1
- a first embodiment of a sound transmission device;
- Fig. 2
- a second embodiment of a sound transmission device;
- Fig. 3
- a third embodiment of a sound transmission device;
- Fig. 4
- the sectional view or detail AA according to.
Fig. 3 in an enlarged view.
Die Schallübertragungsvorrichtung 1 greift das Geräusch mittel- und/oder unmittelbar im Bereich des Luftfilterelements 4 ab, von wo das Geräusch zuerst in einen Querträger 6 (Crashquerträger) eingekoppelt wird und sich im Anschluss daran über einen Längsträger 7 im Wesentlichen bis in den Innenraum 5 des Kraftfahrzeugs 2 überträgt.The sound transmission device 1 picks up the noise centrally and / or directly in the area of the
Bei dem Querträger 6 und dem Längsträger 7 handelt es sich um bereits ursprünglich, unabhängig von der Schallübertragung, am Kraftfahrzeug 2 vorhandene Bauteile. Die Übertragungsleitung 8 zur Weiterleitung des Geräuschs wird hierbei also im Wesentlichen von den Bauteilen Querträger 6 und Längsträger 7 gebildet. Bei dieser Ausführungsform wird eine denkbar günstige und einfach auszuführende Schallübertragungsvorrichtung realisiert, die sich durch eine nahezu montage- und wartungsfreie Ausgestaltung auszeichnet.The
Der Längsträger 7 endet an einer Stirnwand 22, die den Innenraum 5 zu dem die Brennkraftmaschine 3 aufnehmenden Raum hin abschließt. Zur Verteilung der Krafteinleitung aus den beiden Längsträgern 7 in die Stirnwand 22 ist an der Stirnwand 22 ein Stirnwandquerträger 23 angeordnet, der sich im Wesentlichen über die Breite des Kraftfahrzeuges 2 erstreckt. Es kann vorgesehen sein, dass der das Geräusch leitende Innenraum eines der Längsträger 7 mit dem im Stirnwandquerträger 23 gebildeten Innenraum verbunden wird, so dass die Übertragungsleitung 8 nun von den Bauteilen Querträger 6, Längsträger 7 und Stirnwandquerträger 23 gebildet wird. Der Stirnwandquerträger 23 sorgt hierbei, trotz einseitiger Einleitung des Geräusches über einen der Längsträger 7 in den Innenraum 5, für eine über die Breite des Kraftfahrzeuges 2 gleichmäßige Abstrahlung des Geräusches in den Innenraum 5. Zur Verbesserung der Einleitung des Geräusches in den Innenraum 5 kann der Stirnwandquerträger 23 hierzu auch wenigstens Bereichsweise gelocht sein.The longitudinal member 7 terminates at an
Sollte, bspw. auf Grund der Lage des Luftfilterelements 4, die Verwendung des Querträgers 6 oder des Längsträgers 7 als Teil der Übertragungsleitung 8 nicht möglich oder nicht wirtschaftlich sein, so kann auch eine separate Schlauch- oder Rohrleitung (nicht dargestellt) verwendet werden, um das Geräusch vom Luftfilterelement 4 zum Stirnwandquerträger 23 zu führen. Hierbei wird die Eigenschaft des Stirnwandquerträgers zur Verteilung des Geräusches bei seinem Eintritt in den Innenraum in gleicher Weise wie zuvor beschrieben genutzt.If, for example, due to the position of the
- 11
- SchallübertragungsvorrichtungSound transmission device
- 22
- Kraftfahrzeugmotor vehicle
- 33
- BrennkraftmaschineInternal combustion engine
- 44
- LuftfilterelementAir filter element
- 55
- Innenrauminner space
- 66
- Querträger (Bauteil)Cross member (component)
- 77
- Längsträger (Bauteil)Side member (component)
- 88th
- Übertragungsleitungtransmission line
- 99
- SchallübertragungsvorrichtungSound transmission device
- 1010
- Übertragungsleitungtransmission line
- 1111
- Strebestrut
- 1212
- Federbeindomstrebestrut brace
- 1313
- LuftfilterelementAir filter element
- 1414
- Innenrauminner space
- 1515
- Kraftfahrzeugmotor vehicle
- 1616
- SchallübertragungsvorrichtungSound transmission device
- 1717
- LuftfilterelementAir filter element
- 1818
- Kotflügelfender
- 1919
- Kanalchannel
- 2020
- Innenrauminner space
- 2121
- Kraftfahrzeugmotor vehicle
- 2222
- Stirnwandbulkhead
- 2323
- StirnwandquerträgerDash cross member
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006060275 | 2006-12-20 | ||
DE102007045927.2A DE102007045927B4 (en) | 2006-12-20 | 2007-09-26 | Sound transmission device |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1936605A2 true EP1936605A2 (en) | 2008-06-25 |
EP1936605A3 EP1936605A3 (en) | 2014-01-15 |
EP1936605B1 EP1936605B1 (en) | 2019-12-25 |
Family
ID=39185746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07020557.0A Active EP1936605B1 (en) | 2006-12-20 | 2007-10-20 | Acoustic transmission device |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1936605B1 (en) |
DE (1) | DE102007045927B4 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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AT507516B1 (en) * | 2010-02-04 | 2011-07-15 | Avl List Gmbh | INTERNAL COMBUSTION ENGINE WITH CYLINDER SHUT OFF |
DE102012107814A1 (en) | 2012-08-24 | 2014-05-15 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method and device for generating noise in the interior and exterior of a motor vehicle |
EP3401903A1 (en) * | 2017-05-11 | 2018-11-14 | Mazda Motor Corporation | Sound system for vehicle and method of arranging sound position in a vehicle |
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DE19747271A1 (en) * | 1997-10-25 | 1999-04-29 | Bayerische Motoren Werke Ag | Motor air intake |
EP1172547A2 (en) * | 2000-07-15 | 2002-01-16 | Filterwerk Mann + Hummel Gmbh | Intake system for a vehicle |
EP1431536A1 (en) * | 2002-12-18 | 2004-06-23 | MAHLE Filtersysteme GmbH | Acoustic transducer for a motor vehicle |
EP1816022A1 (en) * | 2006-01-31 | 2007-08-08 | Nissan Motor Company Limited | Apparatus and method for transmitting air intake sound |
EP1870592A2 (en) * | 2006-06-21 | 2007-12-26 | Nissan Motor Company Limited | Vehicle Intake Sound Introducing Apparatus |
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DE4440192C2 (en) * | 1993-11-23 | 2002-01-10 | Volkswagen Ag | Acoustically damped structural part |
DE19704376A1 (en) * | 1997-02-06 | 1998-08-13 | Knecht Filterwerke Gmbh | Air filter for IC engine |
DE19915591C2 (en) * | 1999-04-07 | 2003-02-06 | Porsche Ag | Structure-borne noise transmission device |
DE19922216A1 (en) * | 1999-05-14 | 2000-11-30 | Mahle Filtersysteme Gmbh | Sound transmission device for a motor vehicle |
DE10245780B4 (en) * | 2002-10-01 | 2010-10-14 | Robert Bosch Gmbh | Device for impact detection by means of structure-borne noise in a vehicle |
DE102005046594B3 (en) * | 2005-09-28 | 2007-03-08 | Daimlerchrysler Ag | Loudspeaker system for passenger motor vehicle, has two units of support structure e.g. sill, chassis beam and cross beam volumes that meet one another so that part of resonating cavity is formed together by cavities of any two volumes |
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2007
- 2007-09-26 DE DE102007045927.2A patent/DE102007045927B4/en active Active
- 2007-10-20 EP EP07020557.0A patent/EP1936605B1/en active Active
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Publication number | Priority date | Publication date | Assignee | Title |
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DE19747271A1 (en) * | 1997-10-25 | 1999-04-29 | Bayerische Motoren Werke Ag | Motor air intake |
EP1172547A2 (en) * | 2000-07-15 | 2002-01-16 | Filterwerk Mann + Hummel Gmbh | Intake system for a vehicle |
EP1431536A1 (en) * | 2002-12-18 | 2004-06-23 | MAHLE Filtersysteme GmbH | Acoustic transducer for a motor vehicle |
EP1816022A1 (en) * | 2006-01-31 | 2007-08-08 | Nissan Motor Company Limited | Apparatus and method for transmitting air intake sound |
EP1870592A2 (en) * | 2006-06-21 | 2007-12-26 | Nissan Motor Company Limited | Vehicle Intake Sound Introducing Apparatus |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT507516B1 (en) * | 2010-02-04 | 2011-07-15 | Avl List Gmbh | INTERNAL COMBUSTION ENGINE WITH CYLINDER SHUT OFF |
WO2011095390A1 (en) * | 2010-02-04 | 2011-08-11 | Avl List Gmbh | Internal combustion engine having cylinder deactivation |
DE102012107814A1 (en) | 2012-08-24 | 2014-05-15 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method and device for generating noise in the interior and exterior of a motor vehicle |
US9096165B2 (en) | 2012-08-24 | 2015-08-04 | Dr. Ing. H.C.F. Porsche Aktiengesellschaft | Method and device for generating noise in the vehicle interior and vehicle exterior of a motor vehicle |
EP3401903A1 (en) * | 2017-05-11 | 2018-11-14 | Mazda Motor Corporation | Sound system for vehicle and method of arranging sound position in a vehicle |
US10359014B2 (en) | 2017-05-11 | 2019-07-23 | Mazda Motor Corporation | Sound system for vehicle |
Also Published As
Publication number | Publication date |
---|---|
EP1936605B1 (en) | 2019-12-25 |
DE102007045927B4 (en) | 2020-03-05 |
DE102007045927A1 (en) | 2008-06-26 |
EP1936605A3 (en) | 2014-01-15 |
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