JPH02161121A - Exhaust pipe connecting structure for exhaust device - Google Patents
Exhaust pipe connecting structure for exhaust deviceInfo
- Publication number
- JPH02161121A JPH02161121A JP31601288A JP31601288A JPH02161121A JP H02161121 A JPH02161121 A JP H02161121A JP 31601288 A JP31601288 A JP 31601288A JP 31601288 A JP31601288 A JP 31601288A JP H02161121 A JPH02161121 A JP H02161121A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- pipe
- exhaust pipe
- metal
- pipes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims abstract description 26
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 13
- 239000011324 bead Substances 0.000 abstract description 18
- 230000003014 reinforcing effect Effects 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 239000010953 base metal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 244000283070 Abies balsamea Species 0.000 description 1
- 235000007173 Abies balsamea Nutrition 0.000 description 1
- 235000010575 Pueraria lobata Nutrition 0.000 description 1
- 244000046146 Pueraria lobata Species 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、エンジンに接続された前側排気管（エキゾー
ストパイプ）の下流端と、マフラに接続された後側排気
管の上流端とを溶接接続するための排気装置の排気管接
続構造に関し、特に接続強度の増大、排気抵抗のＩＮ減
が図れるようにした接続構造の改善に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention involves welding the downstream end of a front exhaust pipe connected to an engine and the upstream end of a rear exhaust pipe connected to a muffler. The present invention relates to an exhaust pipe connection structure of an exhaust device for connection, and particularly relates to an improvement of a connection structure that can increase connection strength and reduce exhaust resistance IN.
例えば４サイクル複数気筒エンジンの排気装置として、
複数のエキゾーストパイプの下流端に、１つの集合管を
接続して排気を集合させ、これに１本のマフラを接続し
た構造のものがある。このような排気装置におけるエキ
ゾーストパイプと集合管との接続構造としては、従来、
第７図に示すように、鋳造製の集合管４２の上流端に若
干薄肉の接続部４２ａを形成するとともに、該接続部４
２ａ内にエキゾーストパイプ４１の下流端をそのまま挿
入し、両者の境界部分を溶接するのが一般的である。な
お４３は溶接ビードである。For example, as an exhaust system for a 4-stroke multi-cylinder engine,
There is a structure in which a single collecting pipe is connected to the downstream ends of a plurality of exhaust pipes to collect exhaust gas, and a single muffler is connected to this collecting pipe. Conventionally, the connection structure between the exhaust pipe and the collecting pipe in such an exhaust system is
As shown in FIG. 7, a slightly thinner connecting portion 42a is formed at the upstream end of a cast collecting pipe 42, and the connecting portion 42a is
Generally, the downstream end of the exhaust pipe 41 is inserted into the exhaust pipe 2a as it is, and the boundary between the two is welded. Note that 43 is a weld bead.
ところが、上記従来の接続構造では、エキゾーストバイ
ブ４１が一般に１．２動程度と薄肉であることから、溶
接ビード４３に沿ってエキゾーストバイブ４１の内面に
リング状のいわゆる裏ビード４４が形成され易い、その
ためこの裏ビード４４が排気流の抵抗となってエンジン
性能を低下させる原因となる問題があり、またｌ８接部
分にクランクが生じ易い問題もある。However, in the above-mentioned conventional connection structure, since the exhaust vibe 41 is generally thin with a thickness of about 1.2 kinematics, a ring-shaped so-called back bead 44 is likely to be formed on the inner surface of the exhaust vibe 41 along the weld bead 43. Therefore, there is a problem that this back bead 44 acts as a resistance to the exhaust flow and causes deterioration of engine performance, and there is also a problem that a crank is likely to occur at the l8 contact portion.
本発明は上記従来の問題点に鑑みてなされたもので、裏
ビードの発生を防止して排気抵抗を軽減し、かつ接続強
度を向上できる排気装置の排気管接続構造を提供するこ
とを目的としている。The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide an exhaust pipe connection structure for an exhaust device that can prevent the occurrence of back beads, reduce exhaust resistance, and improve connection strength. There is.
本発明は、前側排気管の下流端を後側排気管の上流端内
に挿入して両者を溶接接続した排気装置の排気管接続構
造において、上記前側排気管の下流端部分の径を拡大し
するとともに、該拡大部分に、該拡大寸法に略相当する
肉厚の金属製パイプを圧入し、該パイプの外側位置にお
いて上記前側排気管と後側υト気管とを溶接するように
したことを特徴としている。The present invention provides an exhaust pipe connection structure for an exhaust device in which the downstream end of the front exhaust pipe is inserted into the upstream end of the rear exhaust pipe and the two are connected by welding, in which the diameter of the downstream end of the front exhaust pipe is expanded. At the same time, a metal pipe having a wall thickness approximately corresponding to the enlarged size is press-fitted into the enlarged portion, and the front exhaust pipe and the rear trachea are welded at an outer position of the pipe. It is a feature.
（作用〕
本発明に係る排気装置の排気管接続構造によれば、前側
排気管の下？ＪＬ端内に金属製パイプを圧入し、該バイ
ブの外側位置において前側、後側排気管を溶接したので
、裏ビードの発生を防止できる。(Function) According to the exhaust pipe connection structure of the exhaust device according to the present invention, a metal pipe is press-fitted into the lower part of the front exhaust pipe, and the front and rear exhaust pipes are welded at the outer position of the vibe. Therefore, the occurrence of back bead can be prevented.
一般に裏ビードは、母材が薄肉の場合に溶接熱によって
その裏面まで溶融し、この溶融金属が溶接部のＭ側に膨
出することによって生しるのであるが、本発明ではこの
裏側に位置している金属製パイプが、溶融金属の膨出を
阻止する。なお、このとき母材（前側排気管）側からの
伝導熱は、周知のように該前側排気管と圧入パイプとの
境界においてその大部分が遮断さる。従って、金属製パ
イプが溶融点付近まで温変上昇することはないので、こ
の金属製パイプの裏面に裏ビードが生じることはない。Generally, a back bead is formed when the base metal is thin and the welding heat melts the back surface of the base metal, and this molten metal bulges toward the M side of the weld. The metal pipes prevent the molten metal from expanding. At this time, most of the conductive heat from the base material (front exhaust pipe) side is blocked at the boundary between the front exhaust pipe and the press-fit pipe, as is well known. Therefore, since the temperature of the metal pipe does not rise to near the melting point, no back bead is generated on the back surface of the metal pipe.
このように、前側排気管の接続部内にバイブを圧入した
のでそれだけ該部分の強度が向上し、また慕ビードが生
じない点からクラックの発生が抑制され、全体としての
接続強度が向上する。In this way, since the vibrator is press-fitted into the connection part of the front exhaust pipe, the strength of that part is improved accordingly, and since no bead is formed, the occurrence of cracks is suppressed, and the overall connection strength is improved.
また、上述のように葛と−とが形成されないことから、
前、後排気管接続部分の排気抵抗を軽減でき、エンジン
性能の低下を防止できる。Also, as mentioned above, since kudzu and - are not formed,
It can reduce exhaust resistance at the front and rear exhaust pipe connections and prevent deterioration in engine performance.
以下、本発明の実施例を図について説明する。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
第１図ないし第６図は本発明の一実施例による排気装置
の排気管接続構造を説明するための図である。1 to 6 are diagrams for explaining an exhaust pipe connection structure of an exhaust device according to an embodiment of the present invention.
図において、１は本実施例構造が適用された自動二輪車
であり、これの車体フレーム２は、ヘッドバイブ２ａに
左、右一対のメインパイプ２ｂを接続し、該両メインパ
イプ２ｂの後端部にリヤアームブラケット２Ｃを形成し
、該各ブラケット２Ｃの下端前側と上記各メインパイプ
２ｂの前端下側とを着脱可能のダウンチューブ２ｄで接
続した構成のものである。そして上記ヘッドバイブ２ａ
によって、下端で前端３を軸支する前フオーク４が左右
に操向自在に軸支されており、また上記リヤアームブラ
ケット２ｃによって、後端で後輪５を軸支するリヤアー
ム６が上下揺動自在に軸支されている。また、上記車体
フレーム２の上部には、タンクカバー８内に位置するよ
うにエアクリーナ７、燃料タンク８ａが搭載されており
、これの後方にはシート９が配設されている。In the figure, reference numeral 1 denotes a motorcycle to which the structure of this embodiment is applied, and its body frame 2 has a head vibrator 2a connected to a pair of left and right main pipes 2b, and the rear ends of both main pipes 2b. A rear arm bracket 2C is formed at the rear arm bracket 2C, and the front lower end of each bracket 2C is connected to the lower front end of each main pipe 2b by a detachable down tube 2d. And the above head vibe 2a
The front fork 4, which pivotally supports the front end 3 at its lower end, is pivotally supported so as to be steerable left and right, and the rear arm 6, which pivotally supports the rear wheel 5 at its rear end, is pivoted vertically by the rear arm bracket 2c. It is pivoted on. Further, an air cleaner 7 and a fuel tank 8a are mounted on the upper part of the vehicle body frame 2 so as to be located inside a tank cover 8, and a seat 9 is arranged behind these.
また、上記メインパイプ２ｂの下方には、エンジンユニ
ット】Ｏが懸架支持されている。このエンジンユニット
１０は水冷式４サイクル並列４気筒型のもので、クラン
クケース１１の前部上面に、内部に４つの気筒が並列に
形成されたシリンダボディ１２、及び各気筒用動弁機構
を内蔵するシリンダヘッド１３を前傾状態に積載し、こ
れらをヘッドボルトでクランクケース１１に締結すると
ともに、該シリンダヘッド１３上をヘソドカハ−１４で
覆った構成となっている。Further, an engine unit ]O is suspended and supported below the main pipe 2b. This engine unit 10 is a water-cooled 4-stroke parallel 4-cylinder type, and has a cylinder body 12 in which four cylinders are formed in parallel inside, and a valve mechanism for each cylinder built into the front upper surface of the crankcase 11. The cylinder head 13 is loaded in a forward-inclined state and is fastened to the crankcase 11 with head bolts, and the top of the cylinder head 13 is covered with a hemlock cover 14.
上記シリンダヘッド１３の４つの排気ボートには、排気
装置１５の４本のエキゾーストパイプ（前側排気管）
１６の上流端が接続されている。The four exhaust boats of the cylinder head 13 have four exhaust pipes (front exhaust pipes) of the exhaust system 15.
16 upstream ends are connected.
この各エキゾーストバイブ１６はシリンダボディ１２、
クランクケース１１の前側から該ケース１１の底側に延
び、ｔｉ底部で後側排気管としての集合管１７に分岐形
成された各入口部１７ａに溶接により接続されている。Each exhaust vibe 16 has a cylinder body 12,
It extends from the front side of the crankcase 11 to the bottom side of the case 11, and is connected by welding to each inlet portion 17a that is branched into a collecting pipe 17 as a rear exhaust pipe at the bottom of the tire.
この集合管１７の１本にまとめられた出口部１７ｂには
１本のマフラ１８の前端が接続されており、このマフラ
１８は後輪６の右側を通って車両後端まで延びている。The front end of one muffler 18 is connected to the outlet portion 17b of the collecting pipe 17, and this muffler 18 extends to the right side of the rear wheel 6 to the rear end of the vehicle.
また上記集合管１７の本体部１７Ｃ内には排気制御装置
１９の排気制御弁２０が配設されている。この排気制御
弁２０は、弁体２０ａの両端に回転支持軸２０ｂ、２０
ｃを一体形成したもので、左側の回転支持軸２０ｂの外
方突出端にはプーリ２４が固定されており、該プーリ２
４は一対の操作ケーブル２５により、シート９の前部下
方に配置されたサーボモータ２６に接続されている。Further, an exhaust control valve 20 of the exhaust control device 19 is disposed within the main body portion 17C of the collecting pipe 17. This exhaust control valve 20 has rotation support shafts 20b, 20 at both ends of a valve body 20a.
A pulley 24 is fixed to the outwardly protruding end of the left rotation support shaft 20b, and the pulley 24
4 is connected by a pair of operation cables 25 to a servo motor 26 located below the front of the seat 9.
ここで上記中央２本のエキゾーストパイプ１６の下流端
１６ａ、及び左、右２本のエキゾーストバイブ１６の下
流端１６ｂは、それぞれ径が拡大されてその少し上流側
部分より大径になっている。Here, the diameters of the downstream ends 16a of the two central exhaust pipes 16 and the downstream ends 16b of the two left and right exhaust pipes 16 are enlarged to have larger diameters than the slightly upstream portions thereof.
またこの下流＊１６ａ、１６ｂ内には、金属製パイプ２
７．２８が圧入されている。なお、さらにスポット溶接
等を行ってもよい、上記金属製パイプ２７．２８は上記
拡大された部分と略同じ長さで、かつ拡大された径と略
等しい肉厚を有し、従って該拡大部分も各エキゾースト
バイブ１６の他の部分と略同−内径になっている。また
、上記集合管１７の各入口部１７ａの上流端１７ｇは、
上記下流端１６ａ、１６ｂの外径に応して大径化されて
おり、さらに該上流Ｏｆ１１１ｇは、先端側が薄くなる
テーパ状に形成されており、その先端はエキゾーストバ
イブ１６の肉厚に略一致している。Also, in these downstream *16a, 16b, metal pipes 2
7.28 is press-fitted. Note that the metal pipes 27 and 28, which may be further subjected to spot welding or the like, have approximately the same length as the expanded portion and a wall thickness that is approximately equal to the expanded diameter, so that the expanded portion It also has approximately the same inner diameter as the other parts of each exhaust vibe 16. Further, the upstream end 17g of each inlet portion 17a of the collecting pipe 17 is as follows:
The diameter of the downstream ends 16a and 16b is increased in accordance with the outer diameter of the downstream ends 16a and 16b, and the upstream end Of111g is formed into a tapered shape that becomes thinner at the tip end, and the tip end is approximately equal to the wall thickness of the exhaust vibe 16. We are doing so.
そして上記中央のエキゾーストバイブ１６の下流端１６
ａはその略１／２長さだけ上記上流端１７ｇ内に挿入さ
れており、上記金属製パイプ２７の長さ方向略中夫の外
側位置で互いに溶接接続され、溶接ビード２９が形成さ
れている。また、上記左、右のエキゾーストバイブ１６
の下流端１６ｂと上流端１７ｇについても中央のものと
略同−位置で溶接されている。さらに該接続部分の左。And the downstream end 16 of the central exhaust vibe 16
a is inserted into the upstream end 17g by approximately 1/2 of its length, and is welded and connected to each other at a position approximately outside the center shaft in the length direction of the metal pipe 27, forming a weld bead 29. . In addition, the above left and right exhaust vibes 16
The downstream end 16b and the upstream end 17g are also welded at substantially the same position as the central one. Further to the left of the connection part.
右側面には補強板３０が配置され、これも溶接固定され
、溶接ビード３０ａが形成されている。そしてこの補強
板３０の上流側縁は上記金属製パイプ２Ｂの上流側縁よ
り少し下流側に位置している。A reinforcing plate 30 is arranged on the right side and is also fixed by welding to form a weld bead 30a. The upstream edge of this reinforcing plate 30 is located slightly downstream of the upstream edge of the metal pipe 2B.
次に本実施例の作用効果について説明する。Next, the effects of this embodiment will be explained.
本実施例構造では、エキゾーストパイプ１６例の下流端
１６ａ、１６ｂを、金属製パイプ２７゜２８の肉厚骨だ
け大径化し、該部分に該パイプ２７．２８を圧入して該
接続部分を略同−内径にするとともに、該各パイプ２７
．２８の外方位置において溶接接続したので、排気抵抗
を減少できるとともに、接続強度を向上できる。即ち、
溶接時に下流端１６ａ、１６ｂの溶融金属が反溶接面側
に膨出しようとするが、本実施例では該膨出面側に金属
製パイプ２７．２８が圧入されているので、上記膨出は
阻止され、従って裏ビードが生じることはない、なお、
溶接時の熱により金属製パイプが熔融すれば、やはりこ
のパイプの内面に裏ビードが生じることとなるが、周知
のように、母材側からの熱はこの金属製パイプ２７．２
Ｂと下流端１６ａ、１６ｂとの境界において大幅に遮断
され、該パイプが熔融温度まで上昇することはない。In the structure of this embodiment, the diameters of the downstream ends 16a and 16b of the 16 exhaust pipes are made larger by the thickness of the metal pipes 27 and 28, and the pipes 27 and 28 are press-fitted into the portions, so that the connection portions are approximately shortened. With the same inner diameter, each pipe 27
．． Since the welding connection is made at the outer position of 28, the exhaust resistance can be reduced and the connection strength can be improved. That is,
During welding, the molten metal at the downstream ends 16a and 16b tends to bulge toward the opposite welding surface, but in this embodiment, the metal pipes 27 and 28 are press-fitted into the bulged surface, so this bulge is prevented. Therefore, no back bead will occur.
If the metal pipe melts due to the heat during welding, a back bead will be formed on the inner surface of the pipe, but as is well known, the heat from the base metal side is absorbed by the metal pipe 27.2.
B and the downstream ends 16a, 16b are largely blocked and the pipe will not rise to its melting temperature.
このように裏ビードの発生を確実に防止できるので、ま
たエキゾーストバイブ１６−金属製パイプ２７，２８−
集合管の人口部１７ａが略同−内径になっているので、
排気抵抗を軽減でき、排気抵抗によるエンジン性能低下
を防止できる。Since the occurrence of back beads can be reliably prevented in this way, the exhaust vibe 16 - metal pipes 27, 28 -
Since the artificial part 17a of the collecting pipe has approximately the same inner diameter,
Exhaust resistance can be reduced and engine performance deterioration due to exhaust resistance can be prevented.
また、金属製パイプ２７．２８の追加自体によりエキゾ
ーストバイブ１６の下流端部分の強度が向上する点１及
び該パイプの存在によって環ピードの発生、ひいてはク
ランクの発注を防止できる点から接合部の強度を大幅に
向上できる。また、本実施例では左、右側壁に配設した
補強板についても、内側に金属製パイプ２８が位置する
ように構成したので、該補強板３０の溶接による裏ビー
ド、クランクの発生を防止でき、この点からも排気抵抗
の増大防止、接続強度の向上を図ることができる。In addition, the addition of the metal pipes 27 and 28 itself improves the strength of the downstream end portion of the exhaust vibe 16, and the presence of the pipes can prevent the occurrence of ring piping and, in turn, prevent the ordering of the crank, thereby increasing the strength of the joint. can be significantly improved. Further, in this embodiment, the reinforcing plates disposed on the left and right side walls are also configured so that the metal pipe 28 is located inside, so that it is possible to prevent back beads and cranks from occurring due to welding of the reinforcing plates 30. Also from this point of view, it is possible to prevent an increase in exhaust resistance and improve connection strength.
なお、上記実施例では、左、右エキゾーストパイプの側
壁に補強板を配置したが、これは必ずしも必要ないもの
である。また上記実施例では複数気筒、つまりエキゾー
ストバイブが複数の場合を説明したが、本発明はエキゾ
ーストバイブが１本の場合にも勿論適用できる。In the above embodiment, reinforcing plates were arranged on the side walls of the left and right exhaust pipes, but this is not necessarily necessary. Further, in the above embodiment, a case where there are multiple cylinders, that is, a plurality of exhaust vibes has been described, but the present invention can of course be applied to a case where there is only one exhaust vibe.
（発明の効果〕
以上のように本発明に係る排気装置の排気管接続構造に
よれば、前側排気管の下流端を拡大し、該部分にパイプ
を圧入するとともに、該パイプの外方位置にて前側、後
側リド気管を溶接したので、内面に■ビードが形成され
ることはなく、排気抵抗を軽減してエンジン性能の低下
を防止できる効果があり、また接続部分の強度を向上で
きる効果がある。(Effects of the Invention) As described above, according to the exhaust pipe connection structure of the exhaust device according to the present invention, the downstream end of the front exhaust pipe is enlarged, the pipe is press-fitted into this part, and the pipe is placed at an outer position of the pipe. Since the front and rear lid trachea are welded together, no bead is formed on the inner surface, which reduces exhaust resistance and prevents deterioration of engine performance, and also improves the strength of the connection part. There is.
第１図ないし第６図は本発明の一実施例による排気制御
装置を説明するための図であり、第１図は中央エキゾー
ストパイプの接続部分の断面側面図、第２図は第１図の
ｎ−ｎ線断面図、第３図は左、右エキゾーストパイプの
接続部分の断面側面図、第４図は第３図のＴＶ−ＩＶ線
断面図、第５図はエキゾーストパイプと集合管とのｔｕ
ｆｔ部の一部断面平面図、第６図は該実施例構造が採用
された自動二輪車の左側面図、第７図は従来の接続構造
を示す断面図である。
図において、１３はシリンダヘッド（エンジン）、１６
はエキゾーストパイプ（前側排気管）、１６ａ、１６ｂ
は前側排気管の下流端、１７ａは集合管の人口部（後側
排気管）、１７ｇは後側排気管の上流端、１８はマフラ
、２７．２８は金属製パイプ、２９は溶接ビードである
。
特許出願人 ヤマハ発動機株式会社
代理人 弁理士 下山 努1 to 6 are diagrams for explaining an exhaust control device according to an embodiment of the present invention, in which FIG. 1 is a cross-sectional side view of the connecting portion of the central exhaust pipe, and FIG. Figure 3 is a cross-sectional side view of the connecting portion of the left and right exhaust pipes, Figure 4 is a cross-sectional view taken along the TV-IV line of Figure 3, and Figure 5 is a cross-sectional view of the connection between the exhaust pipe and the collecting pipe. tu
6 is a left side view of a motorcycle employing the structure of this embodiment, and FIG. 7 is a sectional view showing a conventional connection structure. In the figure, 13 is the cylinder head (engine), 16
Exhaust pipe (front exhaust pipe), 16a, 16b
is the downstream end of the front exhaust pipe, 17a is the artificial part of the collecting pipe (rear exhaust pipe), 17g is the upstream end of the rear exhaust pipe, 18 is the muffler, 27.28 is the metal pipe, and 29 is the weld bead. . Patent Applicant Yamaha Motor Co., Ltd. Agent Patent Attorney Tsutomu Shimoyama
Claims (1)
ラに接続された後側排気管の上流端内に挿入し、両排気
管を溶接接続した排気装置の排気管接続構造において、
上記前側排気管の下流端部分の径を拡大するとともに、
該拡大部分に該拡大寸法に略相当する肉厚の金属製パイ
プを圧入し、該金属製パイプの外側位置において上記前
側排気管と後側排気管とを溶接したことを特徴とする排
気装置の排気管接続構造。(1) In an exhaust pipe connection structure of an exhaust system in which the downstream end of the front exhaust pipe connected to the engine is inserted into the upstream end of the rear exhaust pipe connected to the muffler, and both exhaust pipes are connected by welding,
In addition to enlarging the diameter of the downstream end of the front exhaust pipe,
An exhaust system characterized in that a metal pipe having a wall thickness approximately corresponding to the enlarged size is press-fitted into the enlarged portion, and the front exhaust pipe and the rear exhaust pipe are welded at an outer position of the metal pipe. Exhaust pipe connection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63316012A JP2793607B2 (en) | 1988-12-14 | 1988-12-14 | Exhaust pipe connection structure for motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63316012A JP2793607B2 (en) | 1988-12-14 | 1988-12-14 | Exhaust pipe connection structure for motorcycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02161121A true JPH02161121A (en) | 1990-06-21 |
| JP2793607B2 JP2793607B2 (en) | 1998-09-03 |
Family
ID=18072268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63316012A Expired - Fee Related JP2793607B2 (en) | 1988-12-14 | 1988-12-14 | Exhaust pipe connection structure for motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2793607B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244244A (en) * | 2012-02-03 | 2013-08-14 | 本田技研工业株式会社 | Exhaust silencer device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6351590A (en) * | 1986-08-20 | 1988-03-04 | ト−ソ−株式会社 | Roll blind |
-
1988
- 1988-12-14 JP JP63316012A patent/JP2793607B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6351590A (en) * | 1986-08-20 | 1988-03-04 | ト−ソ−株式会社 | Roll blind |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244244A (en) * | 2012-02-03 | 2013-08-14 | 本田技研工业株式会社 | Exhaust silencer device |
| JP2013160124A (en) * | 2012-02-03 | 2013-08-19 | Honda Motor Co Ltd | Exhaust muffler device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2793607B2 (en) | 1998-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6695089B2 (en) | Motorcycle frame | |
| JP4785557B2 (en) | Exhaust structure of motorcycle | |
| JPH08334020A (en) | Exhaust manifold aggregate part structure | |
| JP2001073764A (en) | Fixing structure of thermal insulation plate | |
| US10710666B2 (en) | Motorcycle frame | |
| EP0826584B1 (en) | Body frame structure of motorcycle | |
| JP3497443B2 (en) | Engine exhaust system for vehicles | |
| JPH02161121A (en) | Exhaust pipe connecting structure for exhaust device | |
| JP2008261229A (en) | Exhaust system of engine | |
| JP2000097022A (en) | Manufacture of exhaust tube of engine and manufacturing device therefor | |
| JP7206661B2 (en) | Motorcycle exhaust system, engine exhaust system and motorcycle | |
| JP3644762B2 (en) | Exhaust gas purification device | |
| JP3572596B2 (en) | Engine exhaust system and exhaust manifold used for the same | |
| JP4381916B2 (en) | Silencer for internal combustion engine of motorcycle | |
| EP1031710B1 (en) | Exhaust assembly structure | |
| JP3102546B2 (en) | Exhaust pipe with exhaust gas purification device | |
| JP3104444B2 (en) | Engine exhaust pipe manufacturing method and exhaust pipe apparatus | |
| JPH0234491A (en) | Frame of motorbicycle | |
| JP3331885B2 (en) | Exhaust pipe for internal combustion engine | |
| JPH1030432A (en) | Exhaust emission control device | |
| JP3105513B2 (en) | Engine exhaust system | |
| JP2522190Y2 (en) | Engine exhaust system | |
| JPH0333555B2 (en) | ||
| JP3315050B2 (en) | Exhaust expansion chamber of exhaust system | |
| JP2002362462A (en) | Motorcycle body frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |