JP2009138601A - Silencer supporting structure - Google Patents

Silencer supporting structure Download PDF

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JP2009138601A
JP2009138601A JP2007314843A JP2007314843A JP2009138601A JP 2009138601 A JP2009138601 A JP 2009138601A JP 2007314843 A JP2007314843 A JP 2007314843A JP 2007314843 A JP2007314843 A JP 2007314843A JP 2009138601 A JP2009138601 A JP 2009138601A
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silencer
vehicle
exhaust pipe
heat shield
upstream exhaust
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JP4930354B2 (en
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良平 ▲権▼田
Ryohei Gonda
Makoto Niihama
Kazumi Okamura
和美 岡村
誠 新濱
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Mazda Motor Corp
マツダ株式会社
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Abstract

<P>PROBLEM TO BE SOLVED: To prevent thermal deterioration of mount rubber for a hanger hanging a silencer below a rear part of a vehicle body in a cross arrangement. <P>SOLUTION: The silencer 2 is crossly arranged at a rear part of a suspension cross member 1 at a rear part of a vehicle body, and an upstream exhaust pipe 1 extending across the suspension cross member 1 is connected with a position near a rear side on one end in a vehicle width direction, and a downstream pipe 12 is connected with a position near a front side. Then, in order to restrain thermal deterioration due to radiant heat from the upstream exhaust pipe 11 of a hanger 3 hanging the silencer 2 toward the vehicle body on one end, a heat insulation board 20 is fixed to an upper edge of an end wall 7 of the silencer 2 to cover a vicinity of a connection part of the upstream exhaust pipe 11 from above, and a silencer side bracket 31 for a hanger is fixed on a top face of the heat insulation board 20. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、サイレンサの支持構造に関し、特に、筒状のサイレンサを長手方向を略車幅方向に向けた横置きの姿勢で車体後部の下方に配置し該サイレンサの両端部にてハンガーで車体に吊下げ支持するサイレンサ支持構造に関する。   The present invention relates to a structure for supporting a silencer, and in particular, a cylindrical silencer is disposed below a rear part of a vehicle body in a horizontal posture with a longitudinal direction substantially in a vehicle width direction, and hanger is attached to the vehicle body at both ends of the silencer. The present invention relates to a silencer support structure for supporting suspension.

車両用エンジンのサイレンサは、一般に略筒状に形成され、通常は長手方向を車両前後方向に向けた所謂縦置きで車両後部の下方に搭載されるが、消音性能向上の要求に伴ってサイレンサが大きくなると、縦置搭載では、サスペンションクロスメンバー等との干渉を避けつつ車両後部にサイレンサー搭載のスペースを確保することが難しくなる。そのため、サイレンサを横置きとし、車幅方向に大きく広げることで大型化を図ることが従来から行われている。その場合、サイレンサは略筒状に形成して、長手方向を略車幅方向に向けた横置きの姿勢で車体後部の下方に配置し、サイレンサの両端上部の例えば左右それぞれ2箇所ずつの計4点でハンガーにより車体に吊下げ支持するのが普通である(例えば、特許文献1参照。)。
特開2006−207460号公報Japanese Unexamined Patent Publication No. 2006-207460 A silencer for a vehicle engine is generally formed in a substantially cylindrical shape, and is usually mounted under the rear of the vehicle in a so-called vertical orientation with the longitudinal direction directed in the vehicle front-rear direction. When it becomes large, it becomes difficult to secure a space for mounting the silencer at the rear of the vehicle while avoiding interference with the suspension cross member and the like in the vertical mounting. For this reason, it has been conventionally practiced to increase the size by placing the silencer horizontally and widening it in the vehicle width direction. In that case, the silencer is formed in a substantially cylindrical shape, and is placed below the rear part of the vehicle body in a lateral orientation with the longitudinal direction substantially oriented in the vehicle width direction. It is common to suspend and support the vehicle body with a hanger in this respect (see, for example, Patent Document 1). A silencer for a vehicle engine is generally formed in a substantially cylindrical shape, and is usually mounted under the rear of the vehicle in a so-called vertical orientation with the longitudinal direction directed in the vehicle front-rear direction. When it becomes large, It becomes difficult to secure a space for mounting the silencer at the rear of the vehicle while avoiding interference with the suspension cross member and the like in the vertical mounting. For this reason, it has been practiced to increase the size by placing the silencer horizontally and widening it in the vehicle width direction. In that case, the silencer is formed in a substantially cylindrical shape, and is placed below the rear part of the vehicle body in a lateral orientation with the longitudinal direction substantially oriented in the vehicle width direction. . It is common to suspend and support the vehicle body with a hanger in this respect (see, for example, Patent Document 1).
JP 2006-207460 A JP 2006-207460 A

車体後部の下方には、通常、リヤシートの下側位置に燃料タンクが配置されていて、その後方にスペースが取れるので、そこに横置きで大きなサイレンサを搭載することが可能である。そして、その横置きのサイレンサは、入口側の上流排気管と出口側の下流排気管を共に車幅方向の一端側に接続するよう構成すると、車幅方向の他端側にスペースができ、その分、サイレンサを車幅方向に大きくすることが可能となる。   Below the rear part of the vehicle body, a fuel tank is usually arranged at the lower position of the rear seat, and a space is provided behind the rear tank, so that a large silencer can be mounted horizontally there. And when the horizontal silencer is configured so that the upstream exhaust pipe on the inlet side and the downstream exhaust pipe on the outlet side are both connected to one end side in the vehicle width direction, a space is created on the other end side in the vehicle width direction. Therefore, the silencer can be increased in the vehicle width direction.

しかし、車体後部の下方にそのように横置きでサイレンサを搭載し、上流排気管をサイレンサの車幅方向の端部に接続しようとすると、サイレンサの端部に固着される吊下げ支持用のハンガーと上流排気管とが接近すぎになり、エンジンの失火で未燃焼ガスが後燃えして上流排気管の温度が上昇した時の輻射熱等を受けてハンガー用のマウントラバーが熱劣化する恐れが生ずる。   However, if a silencer is mounted horizontally in the lower part of the rear of the vehicle body and the upstream exhaust pipe is to be connected to the end of the silencer in the vehicle width direction, a hanger for hanging support that is fixed to the end of the silencer And the upstream exhaust pipe become too close, and the hanger mount rubber may be deteriorated due to radiant heat when the unburned gas is burnt after the engine misfires and the temperature of the upstream exhaust pipe rises. .

また、車体後部の下方に横置きで搭載したサイレンサの端部に上流排気管を接続する場合、上流排気管はリヤ側のサスペンションクロスメンバーを跨ぐよう屈曲させなければならないのが普通で、そうすると、上流排気管は、サスペンションクロスメンバーを跨いだ後、サイレンサに対して高い位置から角度をなして下がってくる格好になり、そのために、上流排気管とハンガーとが一層接近して、ハンガーに対する熱的影響が大きくなり、マウントラバーの熱劣化の問題が一層顕著になる。   Also, when connecting the upstream exhaust pipe to the end of the silencer mounted horizontally in the lower part of the rear of the vehicle body, the upstream exhaust pipe usually has to be bent so as to straddle the rear suspension cross member. After the upstream exhaust pipe straddles the suspension cross member, it looks like the silencer descends at an angle from a high position. For this reason, the upstream exhaust pipe and the hanger are closer together, and the thermal The effect becomes larger, and the problem of thermal deterioration of the mount rubber becomes more prominent.

また、上流排気管と下流排気管を共にサイレンサの一端側に接続するには、それら上流排気管および下流排気管のそれぞれの接続部位を互に反対側にオフセットさせる必要があり、その際、上流排気管の接続部位を車両前側にオフセットさせたのでは、サスペンションクロスメンバーを跨いだ後、下がってきてサイレンサに接続される上流排気管の屈曲角度が大きいものとなって、排気抵抗が増大するなどの問題が生ずる。そのため、上流排気管の接続部位は後側にオフセットさせ、下流排気管の接続部位を前側にオフセットさせるのが有利である。しかし、そのように上流排気管の接続部位を後側にオフセットさせると、上流排気管が下がりきらないうちにサイレンサの端面を横切る格好になって、上流排気管とハンガーが一層接近し、マウントラバーが一層熱的に厳しくなりやすい。   In addition, in order to connect both the upstream exhaust pipe and the downstream exhaust pipe to one end side of the silencer, it is necessary to offset the respective connection parts of the upstream exhaust pipe and the downstream exhaust pipe to the opposite sides. If the connection part of the exhaust pipe is offset to the front side of the vehicle, after straddling the suspension cross member, the bending angle of the upstream exhaust pipe that is lowered and connected to the silencer becomes large, and the exhaust resistance increases. Problem arises. Therefore, it is advantageous to offset the connection part of the upstream exhaust pipe to the rear side and offset the connection part of the downstream exhaust pipe to the front side. However, if the upstream exhaust pipe connection part is offset to the rear side in such a way, the upstream exhaust pipe will not be lowered and it will cross the end face of the silencer, the upstream exhaust pipe and the hanger will be closer, and the mount rubber Tends to be more severe thermally.

したがって、車体後部の下方にサイレンサを横置きの配置で吊下げ支持するハンガー用のマウントラバーの熱劣化を防止できるようにすることが課題である。   Therefore, it is a problem to be able to prevent thermal deterioration of the hanger mount rubber that suspends and supports the silencer in a horizontal position below the rear part of the vehicle body.

本発明のサイレンサ支持構造は、上記課題を解決するためのもので、略筒状のサイレンサを長手方向を略車幅方向に向けた横置きの姿勢で車体後部の下方に配置し該サイレンサの両端部にてハンガーで車体に吊下げ支持するサイレンサ支持構造であって、サイレンサは、車幅方向一端側の端壁部に排気入口部と排気出口部とが排気入口部が車両前後方向の後寄りとなり排気出口部が車両前後方向の前寄りとなる配置で設けられて、排気入口部に車両前後方向の前側から延びる上流排気管が接続されるとともに、排気出口部に上流排気管の下を潜り上流排気管よりも車幅方向の外側を通って車両前後方向の後方へ延びる下流排気管が接続され、サイレンサの排気入口部および排気出口部が設けられた車幅方向一端側の端壁部の上側縁部に、上流排気管の排気入口部への接続部位近傍を上方から覆う遮熱板が固着され、該遮熱板の上面にハンガー用のサイレンサ側ブラケットが固着されていることを特徴とする。   The silencer support structure of the present invention is for solving the above-described problems. A silencer having a substantially cylindrical shape is disposed below the rear part of the vehicle body in a horizontal posture with the longitudinal direction oriented substantially in the vehicle width direction. A silencer support structure that is hung from a hanger and supported by a hanger at the end of the vehicle. The silencer has an exhaust inlet portion and an exhaust outlet portion on the end wall portion on one end side in the vehicle width direction, and the exhaust inlet portion is behind the vehicle longitudinal direction. The exhaust outlet portion is provided in a front-rear direction in the vehicle front-rear direction, and an upstream exhaust pipe extending from the front side in the vehicle front-rear direction is connected to the exhaust inlet portion, and the exhaust outlet portion dives under the upstream exhaust pipe. A downstream exhaust pipe that extends rearward in the vehicle longitudinal direction through the outer side in the vehicle width direction than the upstream exhaust pipe is connected, and an end wall portion on one end side in the vehicle width direction in which the exhaust inlet portion and the exhaust outlet portion of the silencer are provided. Upper edge, upstream Heat shield plate covering the connecting portion near to the exhaust inlet of the trachea from above is fixed, characterized in that the silencer side bracket hanger on the upper surface of the shielding hot plate is fixed.

このサイレンサ支持構造は、車体後部の下方に横置きでサイレンサを搭載することによりサイレンサの大型化に対応可能とし、且つ、上流排気管と下流排気管を共にサイレンサの車幅方向一端側に接続することによりサイレンサを車幅方向に最大限広げられるようにし、また、その上流排気管および下流排気管の接続部位を、上流排気管の接続部位が後寄りとなり下流排気管の接続部位が前寄りとなるようにするサイレンサにおいて、その上流側排気管および下流側排気管が接続される一端側を吊下げ支持するハンガーが上流排気管からの輻射熱を受けてマウントラバーが熱劣化するのを防止するよう、ハンガーと上流排気管との間に輻射熱を遮断する遮熱板を設置したものであり、上記具体的構成、特に、サイレンサの排気入口部および排気出口部が設けられた車幅方向一端側の端壁の上側縁部に、上流排気管の排気入口部への接続部位近傍を上方から覆う遮熱板が固着され、該遮熱板の上面にハンガー用のサイレンサ側ブラケットが固着されている点に特徴がある。   This silencer support structure can accommodate the increase in size of the silencer by installing the silencer horizontally below the rear of the vehicle body, and both the upstream exhaust pipe and the downstream exhaust pipe are connected to one end in the vehicle width direction of the silencer. This makes it possible to widen the silencer to the maximum in the vehicle width direction, and the connection part of the upstream exhaust pipe and the downstream exhaust pipe is the rear part of the connection part of the upstream exhaust pipe and the connection part of the downstream exhaust pipe is the front part. In the silencer to be constructed, the hanger supporting the one end to which the upstream exhaust pipe and the downstream exhaust pipe are connected is supported by receiving heat from the upstream exhaust pipe to prevent the mount rubber from being thermally deteriorated. A heat shield that blocks radiant heat is installed between the hanger and the upstream exhaust pipe. A heat shield that covers the vicinity of the connection site to the exhaust inlet of the upstream exhaust pipe from above is fixed to the upper edge of the end wall on the one end side in the vehicle width direction where the outlet is provided, and is attached to the upper surface of the heat shield. It is characterized in that the silencer side bracket for the hanger is fixed.

ハンガーの熱劣化を防止するためには、ハンガーを上流排気管からの輻射熱を遮断するよう遮熱板を設置することが有効である。そして、その場合、サイレンサを支持するハンガーは、一般に、弾性体であるマウントラバーと、サイレンサ側の棒状ブラケットおよび車体側に取り付ける各ブラケットとで構成され、サイレンサ側ブラケットをサイレンサの端部に溶接付けしているので、そのサイレンサ側ブラケットに、上流排気管をマウントラバーとの間に遮熱板を固着することが考えられる。しかし、そのようにサイレンサの端部に溶接付けしたサイレンサ側ブラケットに遮熱板を固着したのでは、遮熱板が新たな振動源になる恐れがある。ハンガーは弾性構造体であり、排気系固有の振動を吸収するが、サイレンサ側ブラケットに遮熱板が固着されていると、排気系の振動がハンガーで吸収される以前に板状体の遮熱板に伝わって、遮熱板が振れ出し、吸収できない振動が発生する恐れがある。そこで、本発明は、遮熱板を直接サイレンサに固着し、遮熱板にハンガー用のサイレンサ側ブラケットを固着して、遮熱板を介してサイレンサ側ブラケットを支持するようにしたのである。   In order to prevent thermal deterioration of the hanger, it is effective to install a heat shield so that the hanger blocks the radiant heat from the upstream exhaust pipe. In that case, the hanger that supports the silencer is generally composed of an elastic mounting rubber, a silencer-side bracket and each bracket attached to the vehicle body, and the silencer-side bracket is welded to the end of the silencer. Therefore, it is conceivable to fix a heat shield plate between the upstream exhaust pipe and the mount rubber on the silencer side bracket. However, if the heat shield is fixed to the silencer side bracket welded to the end of the silencer in this way, the heat shield may become a new vibration source. The hanger is an elastic structure that absorbs vibrations unique to the exhaust system, but if the heat shield is fixed to the silencer side bracket, the plate-shaped body will be insulated before the vibration of the exhaust system is absorbed by the hanger. There is a risk that the heat shield plate swings out and is transmitted to the plate, causing vibration that cannot be absorbed. Therefore, according to the present invention, the heat shield plate is directly fixed to the silencer, the hanger silencer side bracket is fixed to the heat shield plate, and the silencer side bracket is supported via the heat shield plate.

このサイレンサ支持構造によれば、車体後部の下方にサイレンサを横置きの配置で吊下げ支持するハンガーが上流排気管と接近しがちな状況において、失火などによる上流排気管の温度上昇でハンガーが熱劣化するのを防止することができ、また、遮熱板が直接吊り荷重を受けてハンガー用のサイレンサ側ブラケットに支持されることで、遮熱板が新たに振動源となるのを防止することができる。遮熱板はサイレンサ全体の荷重を受けてブラケットに支持される格好となり、フリー状態とならないので、遮熱板が新たな振動源となるのを防止できるのである。また、遮熱板は、板部材で、面を持っているため、巾の広い面の部分でサイレンサに溶接等でしっかり固着でき、三次元形状として面剛性を持たせることができるため、それ自体の振動も抑制できる。   According to this silencer support structure, in a situation where the hanger that suspends and supports the silencer in the horizontal position under the rear of the vehicle body tends to approach the upstream exhaust pipe, the hanger heats up due to the temperature rise of the upstream exhaust pipe due to misfire or the like. Deterioration can be prevented, and the heat shield plate is directly supported by the hanger silencer bracket under direct load, preventing the heat shield plate from becoming a new vibration source. Can do. Since the heat shield plate is supported by the bracket under the load of the entire silencer and does not become free, the heat shield plate can be prevented from becoming a new vibration source. In addition, since the heat shield plate is a plate member and has a surface, it can be firmly fixed to the silencer by welding etc. at the wide surface part, and it can have surface rigidity as a three-dimensional shape, itself Can be suppressed.

このサイレンサ支持構造は、特に、サイレンサの本体ケーシングが、板材からなる筒状の胴壁部と該胴壁部とは別に形成された板材からなる両端の略平板状の端壁部とで構成され、端壁部は周縁部が胴壁部側にリング状接合口を形成するようはぜ折り加工されていて、そのはぜ折りのリング状接合口に胴壁部の端縁部が嵌合して接合され、遮熱板が、車幅方向一端側の端壁の上側縁部のはぜ折りの裏側となる上側縁部下面に固着されているものであるのがよい。   In the silencer support structure, in particular, the silencer main body casing includes a cylindrical body wall part made of a plate material and substantially flat end wall parts at both ends made of a plate material formed separately from the body wall part. The end wall portion is fold-folded so that the peripheral edge portion forms a ring-shaped joint on the barrel wall side, and the edge of the barrel wall portion is fitted into the fold-shaped ring-shaped joint. It is preferable that the heat shield plate is fixed to the lower surface of the upper edge portion which is the back side of the folded edge of the upper edge portion of the end wall on one end side in the vehicle width direction.

この場合、サイレンサは本体ケーシングの端部がはぜ折り接合となっていて、強度が大きいため、遮熱板をしっかり固着支持できる。   In this case, since the end of the main body casing is a fold joint and the strength of the silencer is high, the heat shield can be firmly fixed and supported.

また、このサイレンサ支持構造は、特に、遮熱板が、車幅方向視にて断面湾曲形状であり、上流排気管の排気入口部への接続部位近傍において平面視にて上流排気管と重ならない車両前後方向前側の縁部が下方に下がっているものであるのがよい。   In addition, in this silencer support structure, in particular, the heat shield has a curved cross-sectional shape when viewed in the vehicle width direction, and does not overlap the upstream exhaust pipe in plan view in the vicinity of the connection portion to the exhaust inlet of the upstream exhaust pipe. It is preferable that the edge on the front side in the vehicle longitudinal direction is lowered downward.

遮熱板をこのような構成とすることで、走行風を積極的にハンガー用のサイレンサ側ブラケットに誘導してブラケットの冷却性を高めることができ、それ自体高温状態となるサイレンサから遮熱板からブラケットを通ってハンガーのマウントラバーに伝わる熱を低減し、ハンガーへの熱負荷を抑制することができるとともに、遮熱板が立体的な形状になって強度が高くなり、面剛性が高くなる。   With this structure of the heat shield plate, it is possible to improve the cooling performance of the bracket by actively guiding the running wind to the silencer side bracket for the hanger, and the heat shield plate from the silencer itself becoming a high temperature state The heat transmitted to the mounting rubber of the hanger through the bracket can be reduced, the heat load on the hanger can be suppressed, and the heat shield plate has a three-dimensional shape to increase the strength and surface rigidity. .

また、このサイレンサ支持構造は、遮熱板が、三次元形状であり、且つ、サイレンサに固着される基端部側の車両前後方向の幅寸法が相対的に大きく、車幅方向外側の自由端に近いほど幅寸法が小さくなるように形成されているのがよい。   In addition, in this silencer support structure, the heat shield has a three-dimensional shape, and the width dimension in the vehicle front-rear direction on the base end side fixed to the silencer is relatively large, and the free end on the outer side in the vehicle width direction It is preferable that the width dimension becomes smaller as it is closer to.

遮熱板をこのような構成とすることで、遮熱板の強度並びに面剛性を高まるとともに、遮熱板の固定並びにハンガーの支持を強固にすることができ、また、それ自体の振動を一層抑制することができる。   By configuring the heat shield plate in this way, the strength and surface rigidity of the heat shield plate can be increased, the heat shield plate can be fixed and the hanger support can be strengthened, and the vibration itself can be further reduced. Can be suppressed.

そして、このサイレンサ支持構造は、上流排気管が、車幅方向に延びるサスペンションクロスメンバーを跨いで配設されている場合に特に有利である。   This silencer support structure is particularly advantageous when the upstream exhaust pipe is disposed across the suspension cross member extending in the vehicle width direction.

この場合、上流排気管は、サスペンションクロスメンバーを跨いだ後、サイレンサに対して高い位置から角度をなして下がってくる格好になり、上流排気管とハンガーとが一層接近するので、遮熱板により輻射熱を遮断する必要性が顕著であり、遮熱板によりハンガーの熱劣化を効果的に抑制できる。   In this case, after the upstream exhaust pipe straddles the suspension cross member, the upstream exhaust pipe is lowered at an angle from a high position with respect to the silencer, and the upstream exhaust pipe and the hanger are closer to each other. The necessity to block radiant heat is remarkable, and the thermal deterioration of the hanger can be effectively suppressed by the heat shield plate.

このように、本発明によれば、車体後部の下方にサイレンサを横置きの配置で吊下げ支持するハンガーが上流排気管と接近しがちな状況において、失火などによる上流排気管の温度上昇でハンガーが熱劣化するのを防止することができ、また、遮熱板が新たに振動源となるのを防止することができる。   As described above, according to the present invention, in a situation where the hanger that supports the silencer in the horizontal position under the rear part of the vehicle body tends to approach the upstream exhaust pipe, the hanger is caused by the temperature rise of the upstream exhaust pipe due to misfire or the like. Can be prevented from thermally degrading, and the heat shield can be prevented from newly becoming a vibration source.

図1〜図12は本発明のサイレンサ支持構造の実施形態の一例を示している。図1はサイレンサの平面図、図2はサイレンサの側面図(車幅方向の一端側から視た図)、図3はサイレンサの車幅方向一端側上部の断面図、図4はサイレンサの背面図(車両後方から視た図)、図5はサイレンサの一端側底面図、図6は図1のT部拡大詳細図、図7は図6のV−V断面図(一部)、図8は図6のW−W断面図(一部)、図9は図6のX−X断面図(一部)、図9はサイレンサの一端側斜視図(車両上部斜め左後方から視た図)、図10はサイレンサの一端側斜視図(車両上部斜め左前方から視た図)、図11はサイレンサの一端側斜視図(車両下部斜め左前方から視た図)、そして、図12はサイレンサの一端側斜視図(車両上部斜め左前方から視た図)である。   FIGS. 1-12 has shown an example of embodiment of the silencer support structure of this invention. 1 is a plan view of the silencer, FIG. 2 is a side view of the silencer (viewed from one end in the vehicle width direction), FIG. 3 is a cross-sectional view of the upper portion of the silencer in the vehicle width direction, and FIG. 4 is a rear view of the silencer. FIG. 5 is a bottom view of one end side of the silencer, FIG. 6 is an enlarged detail view of a T portion in FIG. 1, FIG. 7 is a VV cross-sectional view (part) of FIG. 6 is a cross-sectional view taken along the line WW in FIG. 6 (part), FIG. 9 is a cross-sectional view taken along the line XX in FIG. 6 (part), and FIG. FIG. 10 is a perspective view of one end of the silencer (viewed from the left upper front of the vehicle), FIG. 11 is a perspective view of one end of the silencer (viewed from the lower left front of the vehicle), and FIG. It is a side perspective view (figure seen from the vehicle upper part slanting left front).

この実施形態のサイレンサ支持構造は、図1および図2に示すように、車体後部の下方でリヤ側のサスペンションクロスメンバー1の後方に、略筒状のサイレンサ2を長手方向を略車幅方向(図1の上下方向、図2の紙面に直交する方向)に向けた横置きの姿勢で配置し、車幅方向一端側である車両進行方向(図1の右から左に向く方向、図2の右から左に向く方向)に視て左側(図1の下側、図2の紙面に直交する方向の手前側)の端縁側上部の一点と、車幅方向他端側である車両進行方向に視て右側(図1の上側、図2の紙面に直交する方向の奥側)の端壁部の2点の計3点でハンガー3,4,5により車体側(サイドレール)に吊下げ支持している。   As shown in FIGS. 1 and 2, the silencer support structure of this embodiment is configured so that a substantially cylindrical silencer 2 is arranged in the longitudinal direction in the longitudinal direction behind the rear suspension cross member 1 below the rear part of the vehicle body. The vehicle is arranged in a horizontal orientation in the vertical direction in FIG. 1 and in a direction perpendicular to the paper surface in FIG. 2, and is a vehicle traveling direction (a direction from right to left in FIG. When viewed from the right to the left), a point on the left side (the lower side in FIG. 1, the front side in the direction perpendicular to the plane of FIG. 2) and the vehicle traveling direction, which is the other side in the vehicle width direction. Suspended and supported on the vehicle side (side rail) by hangers 3, 4 and 5 at a total of 3 points on the end wall on the right side (upper side in FIG. 1, the direction perpendicular to the paper surface in FIG. 2) is doing.

サイレンサ2は、本体ケーシングが板材からなる筒状の胴壁部6と胴壁部6とは別に形成された板材からなる両端の略平板状の端壁部7,8とで構成され、車幅方向一端側(車両進行方向に視て左側)の端壁部7に、排気入口部9と排気出口部10とが、該端壁部7の水平方向中心線上に略並び、排気入口部9が車両前後方向の後寄り(図1の右寄り、図2の右寄り)で、排気出口部10が車両前後方向の前側(図1の左寄り、図2の左寄り)となる配置で設けられている。そして、排気入口部9には、車両前部に搭載されたエンジンの触媒下流の排気管(図示せず)に連続して車両前後方向の前側から延びる上流排気管11が接続され、排気出口部10には、湾曲して上流排気管11の下を潜り上流排気管11よりも車幅方向の外側を通って車両前後方向の後方へ延びるテールパイプとしての下流排気管12が接続され、下流排気管12の後端にはディフューザ13が接続されている。   The silencer 2 is composed of a cylindrical body wall portion 6 whose main body casing is made of a plate material and substantially flat end wall portions 7 and 8 at both ends made of a plate material formed separately from the body wall portion 6. An exhaust inlet portion 9 and an exhaust outlet portion 10 are arranged substantially on the horizontal center line of the end wall portion 7 on the end wall portion 7 on one end side in the direction (left side as viewed in the vehicle traveling direction). The exhaust outlet portion 10 is provided at the rear side in the vehicle front-rear direction (right side in FIG. 1 and right side in FIG. 2) and the front side in the vehicle front-rear direction (left side in FIG. 1, left side in FIG. 2). The exhaust inlet section 9 is connected to an upstream exhaust pipe 11 extending from the front side in the vehicle front-rear direction in succession to an exhaust pipe (not shown) downstream of the engine catalyst mounted on the front of the vehicle. 10 is connected to a downstream exhaust pipe 12 as a tail pipe that is curved and dives under the upstream exhaust pipe 11 and extends rearward in the vehicle longitudinal direction through the outside in the vehicle width direction than the upstream exhaust pipe 11. A diffuser 13 is connected to the rear end of the pipe 12.

上流排気管11は、車体後部の下方にて車幅方向に延びるリヤ側のサスペンションクロスメンバー1を跨ぐよう屈曲し、サスペンションクロスメンバー1を跨いだ位置から斜め下方に下がってきて、湾曲してサイレンサ2に接続されるよう延設されている。   The upstream exhaust pipe 11 is bent so as to straddle the rear suspension cross member 1 extending in the vehicle width direction below the rear part of the vehicle body, descends obliquely downward from the position straddling the suspension cross member 1, and is curved to be a silencer. 2 is extended to be connected.

サイレンサ2は、図3に示すように、端壁部7,8(図示されているのは一端側の端壁部7のみであるが、他端側の端壁部8についても同様である。)の周縁部が胴壁部6側にリング状接合口14を形成するようはぜ折り加工されていて、そのはぜ折りのリング状接合口14に胴壁部6の端縁部が嵌合して接合され、はぜ折り接合部15を形成している。   As shown in FIG. 3, the silencer 2 has end wall portions 7 and 8 (only the end wall portion 7 on one end side is shown, but the same applies to the end wall portion 8 on the other end side. ) Is folded so that a ring-shaped joint 14 is formed on the side of the body wall 6, and the edge of the body wall 6 is fitted into the ring-shaped joint 14 of the seam Are joined together to form a fold joint 15.

そして、図1〜図12に示すように、サイレンサ2には、排気入口部9および排気出口部10が設けられた車幅方向一端側である左側の端壁部7の上側縁部で、排気出口部10の略真上に位置する部位に、上流排気管11の排気入口部9への接続部位近傍を上方から覆う遮熱板20が固着(溶接付け)され、その遮熱板20の上面の後方寄りの位置に、車幅方向一端側である左側の端縁側上部1点を吊下げ支持するハンガー3の支持位置が定められ、その位置にハンガー用の棒状のサイレンサ側ブラケット31が固着(溶接付け)されている。なお、このサイレンサ側ブラケット31の基部は、図6に示すように、サイレンサ2の左側の端壁部7のはぜ折り接合部15から離して遮熱板20上に固着されている。   As shown in FIGS. 1 to 12, the silencer 2 has an exhaust gas at the upper edge of the left end wall 7 that is one end side in the vehicle width direction where the exhaust inlet portion 9 and the exhaust outlet portion 10 are provided. A heat shield plate 20 that covers the vicinity of the connection portion of the upstream exhaust pipe 11 to the exhaust inlet portion 9 from above is fixed (welded) to a portion located directly above the outlet portion 10, and the upper surface of the heat shield plate 20. The hanger 3 is supported at a position closer to the rear of the hanger 3 by suspending and supporting one upper end side on the left side, which is one end side in the vehicle width direction, and a bar-shaped silencer side bracket 31 for the hanger is fixed to that position ( Welded). As shown in FIG. 6, the base portion of the silencer side bracket 31 is fixed on the heat shield plate 20 at a distance from the helix fold joint portion 15 of the left end wall portion 7 of the silencer 2.

一方、車幅方向他端側である右側の端壁部8の2点を吊下げ支持するハンガー4,5の支持位置は、車両前後方向の前寄りと後寄りにそれぞれ設定され、それぞれのハンガー用の棒状のサイレンサ側ブラケット41,51は、サイレンサ2の端壁部8に直接固着(溶接付け)されている。   On the other hand, the support positions of the hangers 4 and 5 for supporting the two ends of the right end wall portion 8 which is the other end in the vehicle width direction are set to the front and rear sides in the vehicle front-rear direction. The bar-shaped silencer side brackets 41 and 51 are directly fixed (welded) to the end wall portion 8 of the silencer 2.

サイレンサを吊下げ支持する3個のハンガー3,4,5は、それぞれが、弾性体であるマウントラバー32,42,52と、マウントラバー32,42,52を懸架するための支持棒であるサイレンサ側ブラケット31,41,51と、車体側(サイドレール)に取り付ける車体側ブラケット(図示せず)とで構成されるものである。   The three hangers 3, 4, 5 for supporting the silencer in a suspended manner are each a mount rubber 32, 42, 52 that is an elastic body, and a silencer that is a support rod for suspending the mount rubber 32, 42, 52. It comprises side brackets 31, 41, 51 and a vehicle body side bracket (not shown) attached to the vehicle body side (side rail).

遮熱板20は、三次元形状であり、且つ、図1、図6等に示されるように、サイレンサ2に固着される基端部側(図6のV−V断面近傍)の車両前後方向の幅寸法が相対的に大きく、車幅方向外側の自由端部に近いほど幅寸法が小さくなって、上流排気管11の排気入口部9への接続部位近傍を上方から覆うよう形成され、図3、図7等に示されるように、車幅方向一端側である左側の端壁部7のはぜ折り接合部15の上側縁部のはぜ折りの裏側(端壁側内面)となる上側縁部下面に3箇所で溶接付けされている。   The heat shield 20 has a three-dimensional shape, and as shown in FIGS. 1 and 6, the vehicle front-rear direction on the base end side (near the VV cross section in FIG. 6) fixed to the silencer 2. The width dimension of the upstream exhaust pipe 11 is formed so as to cover the vicinity of the connection portion of the upstream exhaust pipe 11 from the upper side. 3. As shown in FIG. 7 and the like, the upper side which is the back side (end wall side inner surface) of the top fold of the top fold joint portion 15 of the left end wall portion 7 which is one end side in the vehicle width direction. It is welded to the lower surface of the edge at three locations.

そして、図8等に示されるように、遮熱板20は、車幅方向視にて断面湾曲形状であり、上流排気管11の排気入口部9への接続部位近傍で、サイレンサ側ブラケット31の溶接部分が位置する中間部分(図6のW−W断面近傍)の、平面視にて上流排気管11と重ならない車両前後方向前側の縁部が、走行風を遮熱板20の上面に誘導して後方のサイレンサ側ブラケット31に当てるよう下方に下がり、その縁部周辺を含む領域が下方に沈み込んで段下げ部21を形成している。   As shown in FIG. 8 and the like, the heat shield plate 20 has a curved cross-sectional shape as viewed in the vehicle width direction, and is located near the connection portion to the exhaust inlet portion 9 of the upstream exhaust pipe 11 of the silencer side bracket 31. The front edge in the vehicle front-rear direction that does not overlap the upstream exhaust pipe 11 in a plan view of the intermediate portion where the welded portion is located (near the WW cross section in FIG. 6) guides the traveling wind to the upper surface of the heat shield plate 20. Then, it falls downward so as to contact the rear silencer side bracket 31, and a region including the periphery of the edge sinks downward to form a step-down portion 21.

この実施形態のサイレンサ支持構造は、遮熱板20を直接サイレンサ2に固着し、遮熱板20にハンガー用のサイレンサ側ブラケット31を固着して、遮熱板20を介してサイレンサ側ブラケット31を支持させるようにしたことにより、上流排気管11の温度上昇でハンガー3のマウントラバー32が熱劣化するのを防止することができる。   In the silencer support structure of this embodiment, the heat shield plate 20 is directly fixed to the silencer 2, the hanger silencer side bracket 31 is fixed to the heat shield plate 20, and the silencer side bracket 31 is attached via the heat shield plate 20. By being supported, it is possible to prevent the mount rubber 32 of the hanger 3 from being thermally deteriorated due to the temperature rise of the upstream exhaust pipe 11.

そして、遮熱板20は、サイレンサ2の吊り荷重を直接受ける格好でサイレンサ側ブラケット31に支持され、フリー状態とはならないので、遮熱板20が新たに振動源となるのを防止できる。   And since the heat shield 20 is supported by the silencer side bracket 31 in such a manner that it directly receives the suspension load of the silencer 2 and is not free, it can be prevented that the heat shield 20 becomes a new vibration source.

また、遮熱板20は、幅の広い基端部の面の部分でサイレンサ2に固着し、且つ、三次元形状で面剛性が大きく、また、サイレンサ2に固着される基端部側の車両前後方向の幅寸法が相対的に大きく、車幅方向外側の自由端に近いほど幅寸法が小さくなるように形成されていることにより、それ自体の振動も抑制できる。また、遮熱板20は、サイレンサ2の本体ケーシング6の端部の強度並びに剛性の大きいはぜ折り接合部15に面で固着されるため、それ自体の固着並びにハンガー3の支持を強固なものとすることができる。   Further, the heat shield plate 20 is fixed to the silencer 2 at the surface of the base end portion having a wide width, has a three-dimensional shape and has high surface rigidity, and is a vehicle on the base end portion side fixed to the silencer 2. Since the width dimension in the front-rear direction is relatively large and the width dimension becomes smaller as it is closer to the free end on the outer side in the vehicle width direction, the vibration itself can be suppressed. Further, the heat shield plate 20 is firmly fixed on the surface of the shell fold joint portion 15 having the strength and rigidity of the end portion of the body casing 6 of the silencer 2, so that the heat shield plate 20 and the hanger 3 are firmly supported. It can be.

また、このサイレンサ支持構造は、遮熱板20が、車幅方向視にて断面湾曲形状で、上流排気管11の排気入口部9への接続部位近傍において平面視にて上流排気管と重ならない車両前後方向の前側の縁部が下方に下がり、その縁部周辺を含む領域が下方に沈み込んで段下げ部21を形成していることにより、走行風を積極的にハンガー用のサイレンサ側ブラケット31に誘導してサイレンサ用ブラケット31の冷却性を高めることができ、それ自体高温状態となるサイレンサ2から遮熱板20からサイレンサ用ブラケット31を通ってハンガー3のマウントラバー32に伝わる熱を低減し、ハンガー3への熱負荷を抑制することができる。また、サイレンサ側ブラケット31は、遮熱板20に固着する上でサイレンサ2の端壁部7、つまり、はぜ折り接合部15から離されていることにより、サイレンサ2の熱が直接ブラケット31に伝わることがなく、ブラケット31を経由してマウントラバー32に伝わる熱負荷を軽減できる。   Further, in this silencer support structure, the heat shield 20 has a curved cross-sectional shape as viewed in the vehicle width direction, and does not overlap the upstream exhaust pipe in plan view in the vicinity of the connection portion to the exhaust inlet portion 9 of the upstream exhaust pipe 11. The front edge in the vehicle front-rear direction is lowered downward, and the region including the periphery of the edge sinks downward to form the stepped-down portion 21, so that the silencer side bracket for the hanger is actively provided It is possible to improve the cooling performance of the silencer bracket 31 by guiding to 31 and reduce the heat transmitted from the silencer 2 that itself becomes a high temperature state to the mount rubber 32 of the hanger 3 through the heat shield plate 20 through the silencer bracket 31. And the heat load to the hanger 3 can be suppressed. In addition, the silencer side bracket 31 is separated from the end wall portion 7 of the silencer 2, that is, the helix fold joint portion 15, so that the heat of the silencer 2 is directly applied to the bracket 31. Without being transmitted, the thermal load transmitted to the mount rubber 32 via the bracket 31 can be reduced.

なお、上記実施形態では、上流排気管11がサスペンションクロスメンバー1を跨いだ後、サイレンサ2に対して高い位置から角度をなして下がっているが、本発明はこれに限定されるものではない。また、サイレンサとしては、下流排気管が車幅方向の両側に配置されるものでもよい。   In the above-described embodiment, after the upstream exhaust pipe 11 straddles the suspension cross member 1, the silencer 2 is lowered at an angle from a high position, but the present invention is not limited to this. Moreover, as a silencer, a downstream exhaust pipe may be arrange | positioned at the both sides of a vehicle width direction.

本発明の実施形態に係るサイレンサの平面図である。 It is a top view of the silencer concerning the embodiment of the present invention. 本発明の実施形態におけるサイレンサの側面図(車幅方向の一端側から視た図)である。 It is a side view (figure seen from the one end side of a vehicle width direction) of a silencer in an embodiment of the present invention. 本発明の実施形態におけるサイレンサの車幅方向一端側上部の断面図である。 It is sectional drawing of the vehicle width direction one end side upper part of the silencer in embodiment of this invention. 本発明の実施形態に係るサイレンサの背面図(車両後方から視た図)である。 It is a rear view (figure seen from vehicle back) of a silencer concerning an embodiment of the present invention. 本発明の実施形態に係るサイレンサの一端側底面図である。 It is an end side bottom view of the silencer concerning the embodiment of the present invention. 図1のT部拡大詳細図である。 FIG. 2 is an enlarged detail view of a T portion in FIG. 1. 図6のV−V断面図(一部)である。 It is VV sectional drawing (part) of FIG. 図6のW−W断面図(一部)である。 It is WW sectional drawing (part) of FIG. 本発明の実施形態に係るサイレンサの一端側斜視図(車両上部斜め左後方から視た図)である。 It is the one end side perspective view of the silencer concerning the embodiment of the present invention (figure seen from the vehicle upper part slanting left rear). 本発明の実施形態に係るサイレンサの一端側斜視図(車両上部斜め左前方から視た図)である。 It is the one end side perspective view of the silencer concerning the embodiment of the present invention (figure seen from the vehicle upper part slanting left front). 本発明の実施形態に係るサイレンサの一端側斜視図(車両下部斜め左前方から視た図)である。 It is the one end side perspective view of the silencer concerning the embodiment of the present invention (figure seen from the vehicle lower part slanting left front). 本発明の実施形態に係るサイレンサの一端側斜視図(車両上部斜め左前方から視た図)である。 It is the one end side perspective view of the silencer concerning the embodiment of the present invention (figure seen from the vehicle upper part slanting left front).

符号の説明Explanation of symbols

1 サスペンションクロスメンバー
2 サイレンサ
3、4,5 ハンガー
6 胴壁部
7、8 端壁部
9 排気入口部
10 排気出口部
11 上流排気管
12 下流排気管
14 リング状接合口
15 はぜ折り接合部
20 遮熱板
21 段下げ部
31、41,51 サイレンサ側ブラケット
32、42,52 マウントラバー
DESCRIPTION OF SYMBOLS 1 Suspension cross member 2 Silencer 3, 4, 5 Hanger 6 Trunk wall part 7, 8 End wall part 9 Exhaust inlet part 10 Exhaust outlet part 11 Upstream exhaust pipe 12 Downstream exhaust pipe 14 Ring-shaped junction 15 Flap joint 20 Heat shield 21 Step-down part 31, 41, 51 Silencer side bracket 32, 42, 52 Mount rubber

Claims (5)

  1. 略筒状のサイレンサを長手方向を略車幅方向に向けた横置きの姿勢で車体後部の下方に配置し該サイレンサの両端部にてハンガーで車体に吊下げ支持するサイレンサ支持構造であって、
    前記サイレンサは、車幅方向一端側の端壁部に排気入口部と排気出口部とが排気入口部が車両前後方向の後寄りとなり排気出口部が車両前後方向の前寄りとなる配置で設けられて、前記排気入口部に車両前後方向の前側から延びる上流排気管が接続されるとともに、前記排気出口部に前記上流排気管の下を潜り該上流排気管よりも車幅方向の外側を通って車両前後方向の後方へ延びる下流排気管が接続され、
    前記サイレンサの前記排気入口部および前記排気出口部が設けられた車幅方向一端側の端壁部の上側縁部に、前記上流排気管の前記排気入口部への接続部位近傍を上方から覆う遮熱板が固着され、該遮熱板の上面に前記ハンガー用のサイレンサ側ブラケットが固着されていることを特徴とするサイレンサ支持構造。 A shield that covers the vicinity of the connection portion of the upstream exhaust pipe to the exhaust inlet portion from above on the upper edge portion of the end wall portion on one end side in the vehicle width direction provided with the exhaust inlet portion and the exhaust outlet portion of the silencer. A silencer support structure characterized in that a heat plate is fixed and a silencer side bracket for the hanger is fixed to the upper surface of the heat shield plate. A silencer support structure in which a substantially cylindrical silencer is disposed below a rear part of a vehicle body in a lateral orientation with a longitudinal direction substantially in the vehicle width direction, and is hung and supported by a hanger at both ends of the silencer, A silencer support structure in which a substantially cylindrical silencer is disposed below a rear part of a vehicle body in a lateral orientation with a longitudinal direction substantially in the vehicle width direction, and is hung and supported by a hanger at both ends of the silencer,
    The silencer is provided on an end wall portion at one end in the vehicle width direction so that an exhaust inlet portion and an exhaust outlet portion are disposed so that an exhaust inlet portion is rearward in the vehicle front-rear direction and an exhaust outlet portion is forward in the vehicle front-rear direction. An upstream exhaust pipe extending from the front side in the vehicle front-rear direction is connected to the exhaust inlet portion, and the exhaust outlet portion goes under the upstream exhaust pipe and passes outside in the vehicle width direction from the upstream exhaust pipe. A downstream exhaust pipe extending rearward in the vehicle longitudinal direction is connected, The silencer is provided on an end wall portion at one end in the vehicle width direction so that an exhaust inlet portion and an exhaust outlet portion are disposed so that an exhaust inlet portion is rearward in the vehicle front-rear direction and an exhaust outlet portion An upstream exhaust pipe extending from the front side in the vehicle front-rear direction is connected to the exhaust inlet portion, and the exhaust outlet portion goes under the upstream exhaust pipe and passes outside in the is forward in the vehicle front-rear direction. vehicle width direction from the upstream exhaust pipe. A downstream exhaust pipe extending rearward in the vehicle longitudinal direction is connected,
    The upper edge of the end wall portion on one end side in the vehicle width direction where the exhaust inlet portion and the exhaust outlet portion of the silencer are provided covers the vicinity of the connection portion of the upstream exhaust pipe to the exhaust inlet portion from above. A silencer support structure, wherein a heat plate is fixed, and the silencer side bracket for the hanger is fixed to the upper surface of the heat shield plate. The upper edge of the end wall portion on one end side in the vehicle width direction where the exhaust inlet portion and the exhaust outlet portion of the silencer are provided covers the vicinity of the connection portion of the upstream exhaust pipe to the exhaust inlet portion from above. A silencer support structure, wherein a heat plate is fixed, and the silencer side bracket for the hanger is fixed to the upper surface of the heat shield plate.
  2. 前記サイレンサは、本体ケーシングが板材からなる筒状の胴壁部と該胴壁部とは別に形成された板材からなる両端の略平板状の端壁部とで構成され、前記端壁部は周縁部が前記胴壁部側にリング状接合口を形成するようはぜ折り加工されていて、そのはぜ折りのリング状接合口に前記胴壁部の端縁部が嵌合して接合され、
    前記遮熱板は、前記車幅方向一端側の端壁部の上側縁部のはぜ折りの裏側となる上側縁部下面に固着されている請求項1記載のサイレンサ支持構造。 The silencer support structure according to claim 1, wherein the heat shield plate is fixed to the lower surface of the upper edge portion which is the back side of the fold of the upper edge portion of the end wall portion on one end side in the vehicle width direction. The silencer is composed of a cylindrical body wall part whose main body casing is made of a plate material and substantially flat end wall parts at both ends made of a plate material formed separately from the body wall part, and the end wall part is a peripheral edge The part is folded so as to form a ring-shaped joint on the side of the trunk wall, and the edge of the trunk wall is fitted and joined to the ring-shaped joint of the half-fold, The silencer is composed of a cylindrical body wall part whose main body casing is made of a plate material and substantially flat end wall parts at both ends made of a plate material formed separately from the body wall part, and the end wall part is a peripheral edge The part is folded so as to form a ring-shaped joint on the side of the trunk wall, and the edge of the trunk wall is fitted and joined to the ring-shaped joint of the half-fold,
    2. The silencer support structure according to claim 1, wherein the heat shield plate is fixed to a lower surface of the upper edge portion which is a back side of the upper edge portion of the end wall portion on one end side in the vehicle width direction. 2. The silencer support structure according to claim 1, wherein the heat shield plate is fixed to a lower surface of the upper edge portion which is a back side of the upper edge portion of the end wall portion on one end side in the vehicle width direction.
  3. 前記遮熱板は、車幅方向視にて断面湾曲形状であり、前記上流排気管の前記排気入口部への接続部位近傍において平面視にて前記上流排気管と重ならない車両前後方向前側の縁部が下方に下がっている請求項1または2記載のサイレンサ支持構造。 The heat shield plate has a curved cross-sectional shape when viewed in the vehicle width direction, and has an edge on the front side in the vehicle front-rear direction that does not overlap the upstream exhaust pipe in plan view in the vicinity of the connection portion of the upstream exhaust pipe to the exhaust inlet portion. The silencer support structure according to claim 1 or 2, wherein the portion is lowered downward.
  4. 前記遮熱板は、三次元形状であり、且つ、前記サイレンサに固定される基端部側の車両前後方向の幅寸法が相対的に大きく、車幅方向外側の自由端に近いほど前記幅寸法が小さくなるように形成されている請求項1、2または3記載のサイレンサ支持構造。 The heat shield plate has a three-dimensional shape, and the width dimension in the vehicle front-rear direction on the base end side fixed to the silencer is relatively large, and the width dimension is closer to the free end on the outer side in the vehicle width direction. 4. The silencer support structure according to claim 1, wherein the silencer support structure is formed to be small.
  5. 前記上流排気管は、車幅方向に延びるサスペンションクロスメンバーを跨いで配設されている請求項1、2、3または4記載のサイレンサ支持構造。 The silencer support structure according to claim 1, wherein the upstream exhaust pipe is disposed across a suspension cross member extending in a vehicle width direction.
JP2007314843A 2007-12-05 2007-12-05 Silencer support structure Expired - Fee Related JP4930354B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011073580A (en) * 2009-09-30 2011-04-14 Mazda Motor Corp Rear structure of engine-mounted electric vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55136624A (en) * 1979-04-10 1980-10-24 Nippon Denso Co Ltd Method and device for controlling run in neutral state
JPH07293234A (en) * 1994-04-25 1995-11-07 Calsonic Corp Silencer support structure
JPH1134928A (en) * 1997-07-24 1999-02-09 Kanto Auto Works Ltd Heat insulator mounting structure
JP2006207460A (en) * 2005-01-27 2006-08-10 Mazda Motor Corp Engine exhaust system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55136624A (en) * 1979-04-10 1980-10-24 Nippon Denso Co Ltd Method and device for controlling run in neutral state
JPH07293234A (en) * 1994-04-25 1995-11-07 Calsonic Corp Silencer support structure
JPH1134928A (en) * 1997-07-24 1999-02-09 Kanto Auto Works Ltd Heat insulator mounting structure
JP2006207460A (en) * 2005-01-27 2006-08-10 Mazda Motor Corp Engine exhaust system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011073580A (en) * 2009-09-30 2011-04-14 Mazda Motor Corp Rear structure of engine-mounted electric vehicle

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