JP2005147141A - Device for transmitting noise in automobile mounted with internal combustion engine - Google Patents

Device for transmitting noise in automobile mounted with internal combustion engine

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JP2005147141A
JP2005147141A JP2004312113A JP2004312113A JP2005147141A JP 2005147141 A JP2005147141 A JP 2005147141A JP 2004312113 A JP2004312113 A JP 2004312113A JP 2004312113 A JP2004312113 A JP 2004312113A JP 2005147141 A JP2005147141 A JP 2005147141A
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device
engine
noise
combustion
internal
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JP2004312113A
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JP4587773B2 (en )
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Wolfgang Wenzel
ヴェンツェル、ヴォルフガング
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Filterwerk Mann & Hummel Gmbh
フイルテルウエルク マン ウント フンメル ゲゼルシヤフト ミツト ベシユレンクテル ハフツング
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/18Methods or devices for transmitting, conducting, or directing sound
    • G10K11/22Methods or devices for transmitting, conducting, or directing sound for conducting sound through hollow pipes, e.g. speaking tubes

Abstract

PROBLEM TO BE SOLVED: To provide a device capable of adjusting noise of an internal combustion engine during traveling to the noise to be transmitted in the device for transmitting the noise in an automobile mounted with the internal combustion engine capable of being structurally simply manufactured.
SOLUTION: The device for the noise transmission device in the automobile mounted with the internal combustion engine includes a box body having the inside partitioned to an acoustics flow-in chamber and an acoustics flow-out chamber by a separation wall; and a vibration member laid/extended to both chambers of the box body. Further, an actuator for adjusting so as to change the vibration state of the vibration member is provided and affects to a constitution part of the device based on a function of an amount indicating the operation state of the internal combustion engine 2.
COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、請求項1に記載の上位概念による内燃機関を搭載した自動車における騒音伝達装置に関する。 The present invention relates to a noise transmission device in a motor vehicle equipped with an internal combustion engine according to the preamble of claim 1.

特許文献1に自動車における騒音構成のための装置が記載されており、該装置は自動車の内部空間における騒音レベルおよび騒音特性を内燃機関の運転状態に応じて構成するためのものである。 Patent Document 1 describes a device for noise structure in automobile, the apparatus is for configuring according to noise level and noise characteristics in the interior space of the motor vehicle in the operating state of the internal combustion engine. これにより、乗客室は騒音遮断されているに拘わらず、特にスポーツ車においては重要とされる感覚的な知覚である自動車のエンジン音の感じが運転者に伝えられる。 As a result, the passenger compartment is regardless of being cut off noise, it feels important and is the sensory perception in a car engine sound is transmitted to the driver, especially in sports cars.

前記特許文献1に開示されている自動車における騒音構成のための装置は、分離壁によって2つの部屋に分割された箱体を含み、第1の部屋は内燃機関の吸気通路に連結されて該吸気通路内の圧力が作用し、前記分離壁によって仕切られた第2の部屋は連結管によって乗客室に連結されている。 Said apparatus for noise arrangement in a motor vehicle disclosed in Patent Document 1 includes a box body that is divided into two chambers by a separating wall, the first room intake is connected to an intake passage of the internal combustion engine the pressure acts in the passage, the second chamber partitioned by said separating wall is connected to the passenger compartment by a connecting pipe. 分離壁によって仕切られた両部屋間の圧力伝達のために、両部屋にまたがって延び軸周りに揺動可能に軸受けされた板弁状に形成された振動部材が設けられ、該振動部材は、その片側部分は吸気通路に連通した部屋内で揺れ、他側部分は乗客室に連通された部屋内で揺れるようになっている。 For transmission of pressure between the two chambers partitioned by partition wall, the vibration member formed swingably bearing is a plate valve shape around axis extending across both chambers is provided, the vibrating member, one side portion swinging in a room that communicates with the intake passage, the other side portion is adapted to sway in a room communicating with the passenger compartment. 吸気通路に連通した部屋には吸気圧力が作用し、吸気通路の動的な圧力変動が前記板弁部材に伝わる。 The room that communicates with the intake passage acts intake pressure, dynamic pressure fluctuations in the intake passage is transferred to the plate valve member. 該板弁部材は揺動可能に支持されているので、板弁部材の運動は分離壁で仕切られているために吸気通路の圧力が作用することのない分離部屋に伝えられる。 Since the plate valve member is swingably supported, the movement of the plate valve member is transmitted to no separation room pressure in the intake passage to are partitioned by the partition wall acts. したがって、前記圧力変動は唯単に乗客室に伝えられ、そこで望ましい騒音を発生させる。 Therefore, the pressure fluctuation is just simply transmitted to the passenger compartment, where desired to generate noise.

上記の装置は受動システムであって、構造に適合する範囲内の限られた狭い限度においてのみ騒音に影響を与えることが可能である。 The above device is a passive system, it is possible to influence the noise only in narrow limits with limited range conforming to structure. 騒音をさらに適合させるには非常に高価な電子的増幅、変調が必要となる。 Very expensive electronic amplification to be further adapted noise, modulation is required.

DE 102 12 257 A1 DE 102 12 257 A1

本発明は、この問題点に鑑み、構造的に簡単に製作できる内燃機関を搭載した自動車における騒音伝達のための装置で、走行中の内燃機関の騒音を伝達すべき騒音に適合させることができる装置を提供するものである。 The present invention has been made in view of the problem, can be adapted to the noise to be transmitted by the device, the noise of the internal combustion engine during running for noise transmission in a motor vehicle equipped with an internal combustion engine capable of structurally simple to manufacture there is provided an apparatus.

この課題は本発明の請求項1に記載の特徴によって解決される。 This object is solved by the features of claim 1 of the present invention. それ以下に続く請求項は上記目的にかなったさらなる実施形態を与えるものである。 Claims following below it are those giving a further embodiment that meets the above object.

本発明の内燃機関を搭載した自動車における騒音伝達のための装置は箱体の内部に分離壁を有し、該分離壁によって前記箱体は内部が2つの部屋に分けられ、それらが音響流入室と音響流出室になる。 Apparatus for noise transmission in a motor vehicle equipped with an internal combustion engine of the present invention has an internal separation wall of the box body, said box body by said separating wall is divided therein two rooms, they sound inflow chamber to be the acoustic outflow chamber. この音響流入室は内燃機関の装着された装置―該装置は好ましい実施例では内燃機関の吸気通路である―に連結され、一方音響流出室には乗客室あるいは乗客室に騒音を伝達するのに好都合なところに開口する音響伝達通路が接続される。 The acoustic inlet chamber mounted devices for an internal combustion engine - the device in the preferred embodiment is an intake passage of the internal combustion engine - is connected to, on the other hand to transmit the noise to the passenger compartment or the passenger compartment to the acoustic outlet chamber acoustic transfer passage opening into convenient place are connected. 前記音響流入室と音響流出室にまたがって振動部材が延び、該振動部材は音響流入室の圧力変動によって振動が起こされ、この振動は音響流出室に伝わり、さらに乗客室に導くことができる。 Said vibrating member extends across the sound inlet chamber and the acoustic outlet chamber, the vibrating member is vibration caused by pressure fluctuation of the acoustic inlet chamber, the vibration is transmitted to the sound outlet chamber can be further guided to the passenger compartment. 前記音響流入室と音響流出室間の分離壁は、これら両部屋部分をベース圧力に関して連結する圧力継ぎ手の役目を果たすことになるのであるが、このことは、通常は正常圧力状態が支配的である音響流入室における超過圧力分が音響流出室に伝わらないという利点がある。 Separation walls between said acoustic inlet chamber and the acoustic outlet chamber, but it is becoming possible to serve the pressure joint connecting these two chambers portion with respect to the base pressure, which is usually a normal pressure state is dominant there is an advantage that overpressure min at a sound inlet chamber is not transmitted to the sound outlet chamber.

騒音特性に影響を与えるために調節可能なアクチュエータが設けられ、該アクチュエータは、内燃機関運転時において、少なくとも内燃機関の運転状態を表す量に応じて騒音伝達装置の構成部品に影響を与える。 Adjustable actuator is provided for influencing the noise characteristics, the actuator, during operation of the internal combustion engine, influencing the components of the noise transmission device according to the amount indicative of an operating state of at least the internal combustion engine. このようにして、運転時において前記振動部材のバネ定数に与える影響に応じて振動部材の振動状態が変えられる。 In this manner, the vibration state of the vibration member in response to impact on the spring constant of the vibration member during operation is varied. 例えば、アクチュエータによって箱体の内部空間容積、特に音響出口部屋の容積が変えられる。 For example, the inner space volume of the box body by the actuator, in particular the volume of the sound outlet room changed. 音響出口部屋の気体容積の変化は振動部材の振動状態に直接に影響し、気体容積が小さいとバネ定数が大きくなって固有振動数が高くなり、気体容積が大きいとバネ定数が小さくなって固有振動数が低くなる。 Changes in gas volume in the sound outlet room directly affect the vibration state of the vibration member, the gas volume is small spring constant is increased the higher the natural frequency, the gas volume is large spring constant is reduced intrinsic the number of vibration is low. 固有振動数が変化すると伝達される騒音の特性が変化する。 Characteristics of the noise to be transmitted natural frequency is changed is changed.

振動部材の振動状態に影響を与える他の可能性としては、揺動可能に支持された振動板弁の回転に対するバネ定数に直接に影響を与える方法があり、例えば、振動部材の揺動中心軸に作用して影響を与えることである。 Other possible impact on the vibration state of the vibration member, there is a method of directly affect the spring constant for swingably rotation supported diaphragm valve, for example, the swing center axis of the vibration member it is to give the influence to act on. これは例えばアクチュエータの作動によって振動質量を変えることによって可能である。 This is possible by varying the oscillating mass by actuation of the actuator, for example. また、振動部材の減衰の大きさを変えることも可能で、これによって同様に振動状態が影響を受ける。 It is also possible to vary the magnitude of the damping of the vibration member, which receives the vibration state is similarly affected by.

前記振動部材の振動状態を変更、調節するのに用いられる内燃機関の運転状態を表す量としては、内燃機関の回転数が目的にかなう対象となる。 Change the vibration state of the vibration member, as the quantity representing the operating state of the internal combustion engine to be used to adjust the rotational speed of the internal combustion engine becomes a target of the purposes. 振動状態をエンジン回転数の関数として調節して適合させることにより、これまで通常もっぱら行なわれてきた受動システムによるものに較べて、騒音強化若しくは騒音特性の変更を行なうことができる。 By adapting the vibration state and adjusted as a function of the engine speed, so far compared with those in the normal passive system that has been exclusively carried out, it is possible to change the noise enhanced or noise characteristics. エンジン回転数に加え、あるいは択一的に内燃機関の運転状態を表す他の量、例えばエンジンの負荷を考慮することも可能である。 In addition to the engine speed, or other quantities representing the operating condition of alternatively an internal combustion engine, it is also possible to consider the load of the engine.

振動状態を変更、調節するための1つあるいは複数のアクチュエータは、液圧式、空圧式、電気式、機械式、あるいはその他の方法で変更、調節することができるし、またそうしてもよい。 Change the vibration state, one or more actuators for adjusting the hydraulic, pneumatic, electrical, mechanical, or modified in other ways, it can be adjusted, or may be so. 特に、吸気通路あるいは排気通路の圧力をアクチュエータに作用させることにより、内燃機関とアクチュエータとの直接的な連結が可能である。 In particular, by applying a pressure in the intake passage or an exhaust passage to an actuator, it is possible to direct connection between the engine and the actuator. このようにすることにより、アクチュエータは調節に要するエネルギを内燃機関あるいは内燃機関に装着された装置から直接に引き出すことができる。 By this way, the actuator can be derived directly from the device mounted to an internal combustion engine or an internal combustion engine the energy required for the regulation. 基本的には、アクチュエータは内燃機関とは別の駆動源を利用することができる。 Basically, the actuator can use another driving source and an internal combustion engine.

さらなる利点および目的にかなう実施形態は、従属請求項 及び内燃機関を搭載した自動車における騒音伝達のための装置の概略構成図に示されている。 Embodiments serve to further advantages and objects is shown in the schematic diagram of apparatus for noise transmission in a motor vehicle equipped with the dependent claims and the internal combustion engine.

騒音伝達装置1は、内燃機関2の変調されたエンジン騒音を自動車の乗客室4に伝達するものである。 Noise transmission apparatus 1 is provided for transmitting the modulated engine noise of the internal combustion engine 2 to the passenger compartment 4 of the motor vehicle. 該装置1の助けによって、乗客室4には特徴的なエンジン騒音が発生される。 With the help of the device 1, the passenger compartment 4 is characteristic engine noise is generated.

図示の実施形態においては、前記装置1は圧力伝達導管5を介して内燃機関2の吸気通路3に連結され、燃焼用空気は矢線7で示すように内燃機関のシリンダに供給される。 In the illustrated embodiment, the apparatus 1 is connected to the intake passage 3 of the engine 2 via the pressure transmission conduit 5, the combustion air is supplied to a cylinder of an internal combustion engine as indicated by the arrow line 7. 前記装置1と吸気通路3とが連結されているため、該吸気通路の圧力状態が前記装置1の箱体内部の部分空間に伝達される。 Since said device 1 and the intake passage 3 are connected, the pressure state of the intake passage is communicated to the subspace of the box body portion of the device 1.

これとは異なる実施形態として、圧力を内燃機関2の排気管8から騒音伝達のために前記装置1に導くこともまた可能である。 As different embodiments to this, it is also possible leads to pressure from the exhaust pipe 8 of the engine 2 to the apparatus 1 for noise transmission.

前記装置1の出口は、該装置1は音響伝達通路6を介して乗客室4に連結されている。 The outlet of the device 1, the device 1 is connected to the passenger compartment 4 through the sound transmission path 6. 該音響伝達通路6を介して音波が乗客室4に導かれる。 Waves are directed to the passenger compartment 4 through the sound transmission path 6.

前記装置1は、箱体9を含み、該箱体9の内部空間は、分離壁10によって、圧力伝達導管5を介して吸気通路3に連結された音響流入室11と音響伝達通路6を介して乗客室6に連結された音響流出室12とに分離されている。 The device 1 comprises a box 9, the interior space of the box body 9, by the separating wall 10, via the acoustic inlet chamber 11 and the acoustic transfer passage 6 connected to the intake passage 3 via the pressure transmission conduit 5 It is separated into the acoustic outlet chamber 12 connected to the passenger compartment 6 Te. 前記分離壁10は音響流入室11と音響流出室12の間の気密な、圧力が連通されない圧力非連通壁として働く。 The separation wall 10 is air-tight between the acoustic inlet chamber 11 and the sound outlet chamber 12, acts as a pressure non-communicated wall no pressure communicated.

前記音響流入室11と音響流出室12には振動部材13が延びており、該振動部材13は、矢印15方向に揺動できるように、分離壁10の高さ位置に想定された或は実際の揺動中心軸14に揺動自在に支えられている。 Said acoustic inlet chamber 11 and the sound outlet chamber 12 extends the vibration member 13, the vibrating member 13, so that it can swing in the arrow 15 direction, which is assumed at the height position of the separation wall 10 or actually It is supported swingably in the central shaft 14. 音響流入室11と音響流出室12の間を圧力が連通されないようにするために、前記揺動中心軸14の領域にはシール部材16が設けられ、これによって揺動中心軸14と分離壁10の該揺動中心軸14に隣接する壁領域の間の隙間は気密に封止される。 To the pressure between the acoustic inlet chamber 11 and the sound outlet chamber 12 is prevented communicated, the seal member 16 provided in the region of the central shaft 14, whereby the central shaft 14 the separation wall 10 the gap between the wall region adjacent the the swing center axis 14 is hermetically sealed. さらに、前記振動部材13の外縁と音響流入室及び音響流出室に前記振動部材13の外縁が隣接する領域にはシール部材17が前記外縁を封止するシールリングとして設けられている。 Further, in a region where the outer edge is adjacent the outer edge sound inlet chamber and an acoustic outlet chamber to the vibration member 13 of the vibrating member 13 is provided as a sealing ring sealing member 17 seals the outer edge.

振動板弁に形成された前記振動部材13は前記シール部材17とともに前記音響流入室11と音響流出室12とを常に2つの領域に分離する。 The vibration member 13 formed in the diaphragm valve separates always two regions and said acoustic inlet chamber 11 and the sound outlet chamber 12 together with the sealing member 17. 振動部材13の音響流入室11に突き出た部分には1個のバランス穴18が明けられており、該バランス穴によって音響流入室11の両室の少なくとも部分的な圧力均衡が可能となる。 The protruding part in the acoustic inlet chamber 11 of the vibration member 13 has pierced the one balance hole 18, it is possible to at least partially pressure balanced in both chambers of the acoustic inlet chamber 11 by the balance hole. 前記圧力伝達導管5を介して吸気通路3に直接に連通された音響流入室11の部分部屋には吸気通路の圧力がそのまま作用する。 Wherein the directly communicating portion room acoustic inflow chamber 11 to the pressure transmission conduit 5 an intake passage 3 via the pressure in the intake passage is applied as it is. この圧力は、ベース圧力レベルの圧力部分と該ベース圧力レベルに重畳した動的圧力部分とからなり、該動的圧力部分はそれぞれのシリンダの吸気過程で生じるものであり、したがって、エンジンの振動数に関連する。 This pressure is composed of a pressure part and a dynamic pressure portion superimposed on the base pressure level of the base pressure level The dynamic pressure portions are those occurring in the intake process of each cylinder, thus, the vibration of the engine is connected with. さらに、前記ベース圧力部分も内燃機関の運転状態によって変化するが、前記動的圧力部分のような高周波成分を含んでいない。 Furthermore, the base pressure portion also depends on the operating state of the internal combustion engine, but does not contain high frequency components, such as the dynamic pressure portion.

前記バランス穴はベース圧力が音響流入室11の前記圧力伝達導管5とは振動部材18で分離された部分部屋へ伝わるのを可能とする。 It said balance hole base pressure from said pressure transmission conduit 5 of the acoustic inlet chamber 11 to allow the transmitted to the separated portion room vibrating member 18. 音響流入室11の両部屋間の動的圧力部分の平衡化はバランス穴18の開口面積の設定により防止される。 Equilibration of the dynamic pressure portion between the two chambers of the acoustic inlet chamber 11 is prevented by setting the opening area of ​​the balance hole 18.

音響流入室11において振動部材13には両側に同じベース圧力が掛かっているので、該振動部材13は動的圧力部分の圧力変動のみによって振動され、揺動中心軸14の回りに矢印15の方向に振られ始める。 Since the vibration member 13 in an acoustic inlet chamber 11 is under the same base pressure on both sides, the vibrating member 13 is vibrated by only the pressure fluctuations of the dynamic pressure portion, the direction of the arrow 15 around the swing center axis 14 It begins to be dumped. これにより、音響流出室12においても同様の振動が生じ、この振動は音響伝達通路6を介して乗客室4に導かれ、そこで特徴的な騒音として感知される。 This causes a similar vibration in the acoustic outlet chamber 12, the vibration is directed to the passenger compartment 4 through the sound transmission path 6, where it is perceived as a characteristic noise.

騒音特性に影響を与えるためにアクチュエータ19及び20が設けられ、これらアクチュエータによって前記振動部材13の振動状態を内燃機関の運転状態を表す量、特にエンジン回転数の関数として変化させることができる。 The actuator 19 and 20 are provided in order to influence the noise characteristics, the amount indicative of an operating state of the internal combustion engine a vibration state of the vibrating member 13 by actuators, it is possible to particularly change as a function of engine speed. アクチュエータ19は振動部材の揺動中心軸14に直接に影響を与えて振動部材13のバネ定数及び/或は減衰特性を変えることができる。 The actuator 19 can change the spring constant and / or damping characteristics of the vibration member 13 affects directly the swinging center axis 14 of the vibration member. そして、エンジン回転数の増加につれてバネ定数の強さが増大され、及び/或は減衰力が弱められる。 The strength of the spring constant with increasing engine speed is increased, and / or damping force is weakened.

もう1つのアクチュエータ20によって、本装置の箱体9内の壁21が矢印22の方向に移動される。 By another actuator 20, the wall 21 of the box body 9 of the device is moved in the direction of arrow 22. 該壁21は、振動部材13によって音響伝達通路から分離された側の音響流出室12の部屋を仕切っている。 Wall 21 partitions the room acoustic outlet chamber 12 on the side separated from the acoustic transfer path by the vibrating member 13. 前記壁21を移動することによって、音響流出室12の容積が変わり、これにより、振動部材13の振動状態に同様に影響を与えることができる。 By moving the wall 21, it alters the volume of the acoustic outlet chamber 12, thereby, it is possible to influence similar to the vibration state of the vibrating member 13. 音響流出室12の容積を減じると振動部材13の固有振動数が高くなり、容積を増大すると逆に固有振動数は低くなる。 Natural frequency of the vibration member 13 reduces the volume of the sound outlet chamber 12 increases, the natural frequency on the contrary increasing the volume is low.

前記アクチュエータ19、20は、直接或は間接に内燃機関の運転状態を表す量の関数応じて調節される。 The actuator 19 is adjusted in response a function of the quantity representing the operating state of the direct or indirect to the internal combustion engine. 直接連結とすれば、アクチュエータの調整に必要なエネルギを直接に内燃機関或は内燃機関に取り付けられた装置から取り出すことができる。 If directly connected with, can be extracted energy required for adjustment of the actuator directly mounted to the internal combustion engine or an internal combustion engine to the device. 本実施例では、このことは連結導管23によって象徴的に示されている。 In this embodiment, this is shown symbolically by a connecting conduit 23. すなわち、壁21を移動させるアクチュエータ20が吸気通路3に連結されている。 That is, the actuator 20 for moving the wall 21 is connected to the intake passage 3. 本実施例では、吸気通路3内の圧力がアクチュエータ調節のために引き出されている。 In this embodiment, the pressure in the intake passage 3 is drawn out to the actuator adjustment.

内燃機関を搭載した自動車における騒音伝達のための装置の概略構成図。 Schematic diagram of an apparatus for noise transmission in a motor vehicle equipped with an internal combustion engine.

符号の説明 DESCRIPTION OF SYMBOLS

1 騒音伝達装置2 内燃機関3 吸気通路4 乗客室5 音響伝達管6 音響伝達通路7 矢印8 排気通路9 箱体10 分離壁11 音響流入室12 音響流出室13 振動部材14 揺動中心軸15 矢印16 シール部材17 シール部材18 バランス穴19、20 アクチュエータ21 壁22 矢印23 連結導管 1 noise transmission device 2 engine 3 intake passage 4 passenger compartment 5 the acoustic transmission tube 6 acoustic transmission path 7 arrow 8 exhaust passage 9 box body 10 separating wall 11 acoustic inlet chamber 12 acoustic outlet chamber 13 the vibration member 14 swing center axis 15 arrow 16 sealing member 17 sealing member 18 balance holes 19, 20 actuator 21 wall 22 arrow 23 connecting conduit

Claims (11)

  1. 分離壁(10)を設けて内部を音響流入室(11)と音響流出室(12)とに分離され前記音響流入室(11)は内燃機関(2)取り付けられた装置の一つに連結され前記音響流出室(12)は乗客室(4)に連結された箱体(9)と、前記音響流入室(11)と音響流出室(12)にまたがって延びる振動部材(13)とを備えた、内燃機関を搭載した自動車用における騒音伝達用のための装置において、 Acoustic inflow chamber inside provided separating walls (10) (11) and separated into acoustic outflow chamber (12) said acoustic inlet chamber (11) is connected to one of the internal combustion engine (2) installed devices said acoustic outlet chamber (12) is connected to a box body to the passenger compartment (4) and (9), and a said acoustic inlet chamber (11) and the vibrating member extending over the sound outlet chamber (12) (13) and, in the device for a noise transmission in a vehicle equipped with an internal combustion engine,
    前記振動部材(13)の振動状態を調節するためのアクチュエータ(19、20)が設けられ、該アクチュエータ(19、20)は内燃機関(2)の運転状態を表す量の関数に基づいて前記装置の構成部品に影響を及ぼすことを特徴とする装置。 Said vibrating member (13) actuator (19, 20) for adjusting the oscillation state of the are provided, the actuator (19, 20) is the device based on a function of the quantity representing the operating state of the internal combustion engine (2) and wherein the affecting components.
  2. 前記アクチュエータ(20)を用いて前記箱体内部容積を調節できることを特徴とする請求項1記載の装置。 The apparatus of claim 1, wherein the adjustable the box body internal volume by using the actuator (20).
  3. 前記アクチュエータ(20)を用いて前記音響流出室(12)の容積を調節できることを特徴とする請求項2記載の装置。 It said actuator (20) according to claim 2, wherein the adjustable the volume of the sound outlet chamber (12) with.
  4. 前記箱体(9)の壁(21)を前記アクチュエータ(20)を用いて移動調節できることを特徴とする請求項2或は3に記載の装置。 Apparatus according to claim 2 or 3, characterized in that movable adjusted using wall (21) said actuator (20) of said box body (9).
  5. 前記振動部材(13)は一つの揺動可能に支持された振動板弁に形成されていることを特徴とする請求項1乃至4のいずれか1項に記載の装置。 It said vibrating member (13) Apparatus according to any one of claims 1 to 4, characterized in that it is formed in one swingably supported diaphragm valve.
  6. 前記アクチュエータ(19)を用いて前記振動板弁の回転に対する剛性を調節できることを特徴とする請求項5記載の装置。 The apparatus of claim 5, wherein the adjustable rigidity against rotation of the diaphragm valve with the actuator (19).
  7. 前記アクチュエータ(19、20)はエンジン回転数を関数として調節可能であることを特徴とする請求項1乃至6のいずれか1項に記載の装置。 It said actuator (19, 20) Apparatus according to any one of claims 1 to 6, characterized in that it is capable of adjusting the engine speed as a function.
  8. 前記アクチュエータ(19、20)には内燃機関(2)の吸気通路(3)及び/或は排気通路(8)の圧力が掛かることを特徴とする請求項1乃至7のいずれか1項に記載の装置。 Wherein the intake passage (3) and / or any one of claims 1 to 7, characterized in that pressure is applied in the exhaust passage (8) of the actuator (19, 20) an internal combustion engine (2) device.
  9. 前記振動部材(13)の前記音響流入室(11)に突き出した部分にはバランス穴(18)が設けられていることを特徴とする請求項1乃至8のいずれか1項に記載の装置。 Apparatus according to any one of claims 1 to 8, characterized in that balancing holes (18) is provided on the said portion projecting to the sound inlet chamber (11) of the vibrating member (13).
  10. 前記振動部材(13)とそれに隣接する箱体の内壁の間にはシール部材(17)が配設されていることを特徴とする請求項1乃至9のいずれか1項に記載の装置。 Apparatus according to any one of claims 1 to 9, characterized in that the sealing member (17) is arranged between the inner wall of said vibrating member (13) and the box body adjacent thereto.
  11. 前記音響流入室(11)は内燃機関(2)の吸気通路(3)に連結されていることを特徴とする請求項1乃至10のいずれか1項に記載の装置。 Apparatus according to any one of said acoustic inlet chamber (11) according to claim 1 to 10, characterized in that it is connected to an intake passage of an internal combustion engine (2) (3).
JP2004312113A 2003-11-12 2004-10-27 Apparatus for noise transmission in a motor vehicle equipped with an internal combustion engine Expired - Fee Related JP4587773B2 (en)

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DE2003152704 DE10352704A1 (en) 2003-11-12 2003-11-12 Apparatus for transmitting sound in an automotive vehicle with an internal combustion engine

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