JPH11201878A - Adaptor for sampling of exhaust gas in two-wheeled vehicle - Google Patents
Adaptor for sampling of exhaust gas in two-wheeled vehicleInfo
- Publication number
- JPH11201878A JPH11201878A JP236998A JP236998A JPH11201878A JP H11201878 A JPH11201878 A JP H11201878A JP 236998 A JP236998 A JP 236998A JP 236998 A JP236998 A JP 236998A JP H11201878 A JPH11201878 A JP H11201878A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- muffler
- adapter
- exhaust
- probe
- 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
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、二輪自動車や原
動機付自転車（以下、二輪自動車等或いは単に二輪自動
車とする）の排ガスを稀釈することなく採取することの
できる排ガス採取用アダプタ、特にエンジンの燃焼特性
を変えることなく且つ稀釈されているか否かを確認しな
がらマフラ−から排出される排ガスを採取することので
きる二輪自動車の排ガス採取用アダプタに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an exhaust gas collecting adapter which can collect exhaust gas of a two-wheeled motor vehicle or a motor-driven bicycle (hereinafter referred to as a two-wheeled motor vehicle or simply a two-wheeled motor vehicle) without diluting the same. The present invention relates to an exhaust gas collecting adapter for a two-wheeled vehicle, which can collect exhaust gas discharged from a muffler without changing combustion characteristics and checking whether or not the exhaust gas is diluted.
【０００２】[0002]
【従来の技術】自動車から排出される排ガス中に含まれ
る有害なガス成分は、環境保護の見地から厳しく規制さ
れるようになっている。更に、最近は二輪自動車等もそ
の排出する排ガス中の有害成分を規制しようとする動き
が強まっている。従来、自動車から排出される排ガスの
成分測定に際しては、マフラ−の出口から内部奥へ排気
ガス採取用のプロ−ブ先端を４０ｃｍ以上挿入し、エン
ジン特性に影響を与えないようにしてサンプルガスを採
取するようになっている。そして規定された走行モ−ド
でエンジンを駆動して排ガスを採取し、排ガス中に含ま
れる一酸化炭素（ＣＯ）や窒素酸化物（ＮＯx ）や炭化
水素類（Ｃm Ｈn ）等が測定される。2. Description of the Related Art Harmful gas components contained in exhaust gas discharged from automobiles are strictly regulated from the viewpoint of environmental protection. Furthermore, recently, there has been an increasing movement to control harmful components in exhaust gas emitted from motorcycles and the like. Conventionally, when measuring the components of the exhaust gas emitted from an automobile, the tip of a probe for collecting exhaust gas is inserted at least 40 cm from the outlet of the muffler to the inside of the muffler so that the sample gas is not affected to the engine characteristics. It is supposed to be collected. Then, the engine is driven in a specified traveling mode to collect the exhaust gas, and carbon monoxide (CO), nitrogen oxides (NO x ), hydrocarbons (C m H n ), etc. contained in the exhaust gas are collected. Measured.
【０００３】[0003]
【発明が解決しようとする課題】二輪自動車等の排ガス
用のマフラ−の排出口の形状は、エンジンの排気量や車
種により或いはメ−カ−により種々のものがあり、現在
採用されている自動車の排気ガス採取方法をそのまま採
用することは出来ない。即ち、図８（Ａ）或いは図８
（Ｂ）に示すように、マフラ−４の排気口４ａから排ガ
ス採取用のプロ−ブ３を挿入しても４〜５ｃｍ程度しか
奥に入れることができないものもある。また、図８
（Ｃ）に示すように、排気口径が１１（ｍｍ) φ程度の
ものがあり、このような排気口にプロ−プ３を挿入する
と、排気抵抗が増大し、排ガスの逃げ部が狭くなり、エ
ンジンの燃焼特性が変化して目的とする所定モ−ドでの
排ガス成分を正しく計測できない、という問題があっ
た。The shape of the exhaust port of a muffler for exhaust gas of a motorcycle or the like has various shapes depending on the engine displacement, the type of vehicle, or the manufacturer. The exhaust gas sampling method cannot be adopted as it is. That is, FIG. 8A or FIG.
As shown in (B), even if the exhaust gas collecting probe 3 is inserted from the exhaust port 4a of the muffler 4, there is a case where the probe 3 can be inserted only into the depth of about 4 to 5 cm. FIG.
As shown in (C), there is an exhaust port having a diameter of about 11 (mm) φ, and when the probe 3 is inserted into such an exhaust port, the exhaust resistance increases and the escape portion of the exhaust gas becomes narrow. There has been a problem that the combustion characteristics of the engine change, and the exhaust gas component in the intended predetermined mode cannot be correctly measured.
【０００４】この発明は、上記する課題に対処するため
になされたものであり、通常の自動車の排ガス採取方法
と変わることなく且つ大気で稀釈されることなく規定の
走行モ−ドでの排ガス採取が可能な二輪自動車の排ガス
採取用アダプタを提供することを目的としている。SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problem, and has no difference from a normal method of collecting exhaust gas from a motor vehicle and has no diluting with the atmosphere to collect exhaust gas in a prescribed traveling mode. It is an object of the present invention to provide an exhaust gas sampling adapter for a two-wheeled vehicle, which is capable of performing the above.
【０００５】[0005]
【課題を解決するための手段】即ち、この発明は、上記
する課題を解決するために、二輪自動車等の排ガス採
取用アダプタ（１）は、 本体部（１ａ）が柔軟な耐熱
性材料で製作され、先端部に排気口（４ａ）を設けた二
輪自動車用マフラ−（４）の外側壁面（４ｂ）を包み込
むように嵌め入れる開口部を形成すると共に、後端部に
排ガス採取用のプロ−ブ（３）の先端部（３ａ）を嵌め
入れる穴（１ｃ）を設けて成ることを特徴とする。In order to solve the above-mentioned problems, the present invention provides an exhaust gas collecting adapter (1) for a motorcycle or the like, in which a main body (1a) is made of a flexible heat-resistant material. An opening is formed to fit around the outer wall surface (4b) of the muffler (4) for motorcycles having an exhaust port (4a) at the front end, and an exhaust gas collecting probe is provided at the rear end. A hole (1c) into which the tip portion (3a) of the bush (3) is fitted.
【０００６】また、二輪自動車用マフラ−の外側壁面
（４ｂ）を包み込むように嵌め入れた前記アダプタ
（１）の本体部（１ａ）の開口部近傍をクリップ（２）
で挟持することを特徴としている。A clip (2) is provided near the opening of the main body (1a) of the adapter (1) which is fitted so as to wrap the outer wall surface (4b) of the muffler for a motorcycle.
It is characterized by being sandwiched by.
【０００７】或いは、二輪自動車等の排ガス採取用ア
ダプタが、二輪自動車用マフラ−の外側端部全体を嵌め
入れるよう本体部（１ａ’）の一定範囲前端部から内側
途中にかけて径が漸次減少するように錐体部（１ｄ）を
形成すると共に該錐体部（１ｄ）から後方に排ガス採取
用のプロ−ブ（３）の先端部を嵌め入れる管路（１ｅ）
を形成して成ることを特徴としている。[0007] Alternatively, the exhaust gas sampling adapter of a motorcycle or the like may have its diameter gradually reduced from the front end of a predetermined range of the main body (1a ') to the middle of the inside so as to fit the entire outer end of the muffler for a motorcycle. A pipe (1e) in which a cone (1d) is formed, and the tip of an exhaust gas sampling probe (3) is fitted backward from the cone (1d).
Is formed.
【０００８】[0008]
【発明の実施の形態】以下、この発明の具体的実施の形
態について図面を参照しながら説明する。図１は、この
発明の二輪自動車（原動機付自転車を含む、以下、二輪
自動車等とする）の排ガス採取用アダプタ１の斜視図で
あり、図２は、この発明の二輪自動車の排ガス採取用ア
ダプタ１をマフラ−４に装着した状態の横断面図であ
り、図３（Ａ）は、この発明の二輪自動車等の排ガス採
取用アダプタ１をマフラ−４に装着した状態の縦断面図
である。このアダプタ１は、本体部１ａを柔軟な耐熱性
材料（例えば金属繊維や石綿やシリコンゴム等）で製作
され、先端部の開口部には、排気口４ａを設けた二輪自
動車用マフラ−４の外側壁面４ｂ全体を、包み込むよう
に嵌め入れるような内側壁面１ｂが形成してある。ま
た、該アダプタ１の本体部１ａの後端部には、排ガス採
取用のプロ−ブ３の先端部を嵌め入れる穴１ｃを設けて
ある。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of an exhaust gas collecting adapter 1 of a two-wheeled vehicle (including a motorbike, hereinafter referred to as a two-wheeled vehicle, etc.) of the present invention, and FIG. 2 is an exhaust gas collecting adapter of a two-wheeled vehicle of the present invention. FIG. 3A is a longitudinal sectional view of a state in which the exhaust gas sampling adapter 1 for a motorcycle or the like of the present invention is mounted on the muffler-4. In the adapter 1, the main body 1a is made of a flexible heat-resistant material (for example, metal fiber, asbestos, silicon rubber, or the like), and a muffler-4 for a two-wheeled vehicle provided with an exhaust port 4a at an opening at the tip. An inner wall surface 1b is formed so as to fit around the entire outer wall surface 4b. A hole 1c is provided at the rear end of the main body 1a of the adapter 1 for fitting the front end of the probe 3 for collecting exhaust gas.
【０００９】実際に排ガスを採取する際には、マフラ−
４の排気口４ａを有する近傍の外側壁面４ｂを包み込む
ように該アダプタ１の開口部の内側壁面１ｂに接触させ
て嵌め入れ、排ガスに大気側からの空気が流入しないよ
うに該アダプタ１の端部をクリップ２で挟持して固定す
る。一方、該アダプタ１の本体部１ａの後端部の穴１ｃ
から排ガスのサンプル採取用のプロ−ブ３を挿入する。
そして、図３に示すように、プロ−ブ３の排ガス取り入
れ口３ａの先端からアダプタ１の後端部までの距離が４
０ｃｍ以上となるようにする。このように、該アダプタ
１の本体部１ａの前端部の開口部の内側壁面１ｂに接触
させて マフラ−４の外側壁面４ｂ全体を包み込み、後
端部の穴１ｃからプロ−ブ３を挿入すると、外部から大
気側の空気が流入するのを阻止して二輪自動車の排ガス
を稀釈することなく採取することが可能となる。また、
この場合、排気口４ａの開口部を挟めないのでエンジン
の燃焼特性に影響を及ぼすこともない。尚、プロ−ブ３
には、図３（Ｂ）に示すように、塵埃除去用のフィルタ
−部３ｂを設けたタイプのプロ−ブ３’もある。When actually collecting exhaust gas, a muffler
4 is fitted into the adapter 1 so as to be in contact with the inner wall 1b of the opening of the adapter 1 so as to enclose the outer wall 4b in the vicinity of the adapter 1 so that the air from the atmosphere does not flow into the exhaust gas. The part is clamped by the clip 2 and fixed. On the other hand, a hole 1c at the rear end of the main body 1a of the adapter 1
The probe 3 for sampling the exhaust gas is inserted from the apparatus.
Then, as shown in FIG. 3, the distance from the front end of the exhaust gas inlet 3a of the probe 3 to the rear end of the adapter 1 is 4 mm.
0cm or more. As described above, when the entire outer wall surface 4b of the muffler 4 is wrapped by contacting the inner wall surface 1b of the opening at the front end of the main body 1a of the adapter 1, and the probe 3 is inserted through the hole 1c at the rear end. In addition, it is possible to prevent the air on the atmospheric side from flowing in from the outside and to collect the exhaust gas of the two-wheeled vehicle without diluting it. Also,
In this case, since the opening of the exhaust port 4a is not interposed, the combustion characteristics of the engine are not affected. Probe 3
As shown in FIG. 3B, there is also a type of probe 3 'provided with a filter part 3b for removing dust.
【００１０】図４は、この発明の二輪自動車等の排気ガ
ス採取用アダプタの変形例の実施の形態の外観側面図で
ある。このアダプタ１’は、二輪自動車用マフラ−４の
外側壁面４ｂ全体を嵌め入れるよう本体部１ａ’の一定
範囲前端部から内側途中にかけて径が漸次減少するよう
に形成したラッパ状の錐体部１ｄと、後端部から排ガス
採取用のプロ−ブ３の排ガス取り入れ口３ａを嵌め入れ
る管路部１ｅと、で構成してある。FIG. 4 is an external side view of an embodiment of a modified example of the adapter for collecting exhaust gas of a motorcycle or the like according to the present invention. This adapter 1 'is a trumpet-shaped cone portion 1d formed so that the diameter gradually decreases from the front end portion within a predetermined range of the main body portion 1a' to the middle part so as to fit the entire outer wall surface 4b of the muffler 4 for a two-wheeled vehicle. And a pipe section 1e into which the exhaust gas intake 3a of the exhaust gas collecting probe 3 is fitted from the rear end.
【００１１】上記構成のアダプタ１’では、次のように
二輪自動車用ののマフラ−４が種々の形状をしていても
稀釈することなく自動車の場合と同様に排ガスを採取す
ることができる。即ち、図５に示すように、マフラ−４
の排出口４ａが絞ってあり該排出口４ａ近傍の外側壁面
４ｂの径が大きい場合は、最も径の大きくなる外側壁面
４ｂ近傍全体をアダプタ１’の本体１ａ’の錐体部（ラ
ッパ状部）１ｄ内径側に包み込むように接触させ、他方
の管路１ｅ側からプロ−ブ３を挿入し、該プロ−ブ３の
先端から管路１ｅの出口までの距離が４０ｃｍ以上とな
るようにして排ガスを採取する。また、図６に示すよう
にマフラ−４が通常の円筒状の場合も同様にして排ガス
を採取することができる。With the adapter 1 'having the above structure, even if the muffler-4 for a two-wheeled vehicle has various shapes as described below, exhaust gas can be sampled without dilution as in the case of a vehicle. That is, as shown in FIG.
When the diameter of the outer wall 4b near the outlet 4a is large, the entire area near the outer wall 4b having the largest diameter is conical with the cone (the trumpet-shaped part) of the main body 1a 'of the adapter 1'. 1) The probe 3 is inserted so as to be wrapped around the inner diameter side of 1d, the probe 3 is inserted from the other pipe 1e side, and the distance from the tip of the probe 3 to the outlet of the pipe 1e is 40 cm or more. Collect flue gas. Also, as shown in FIG. 6, when the muffler-4 has a normal cylindrical shape, the exhaust gas can be collected in the same manner.
【００１２】更に、図７に示すように、排気口４ａが絞
り込まれ、下方向に排ガスが排出されるように形成され
たマフラ−４であっても、該マフラ−４の排気口４ａを
含む近傍の外側壁面４ｂ全体をアダプタ１’の本体部１
ａ’の錐体部（ラッパ状部）１ｄ内径側に包み込むよう
に接触させ、他方の管路１ｅ側からプロ−ブ３を挿入
し、該プロ−ブ３の先端から管路１ｅの出口までの距離
が４０ｃｍ以上となるようにして排ガスを採取する。
尚、説明は省略したが、図１に示すアダプタ１も図６や
図７に示すマフラ−４から排ガスを採取することができ
る。Further, as shown in FIG. 7, even if the muffler-4 is formed so that the exhaust port 4a is narrowed and exhaust gas is discharged downward, the exhaust port 4a includes the exhaust port 4a of the muffler-4. The entire outer wall 4b near the main body 1 of the adapter 1 '
The probe 3 is inserted from the other conduit 1e side so as to be wrapped around the inner diameter side of the cone portion (the trumpet-shaped portion) 1d of a ', and from the end of the probe 3 to the exit of the conduit 1e. The exhaust gas is collected so that the distance of the exhaust gas is 40 cm or more.
Although the description is omitted, the adapter 1 shown in FIG. 1 can also collect exhaust gas from the muffler-4 shown in FIGS. 6 and 7.
【００１３】上記するように、この発明の二輪自動車等
の排ガス採取用アダプタのいずれの実施の形態において
も種々の形状のマフラ−から排ガスを稀釈することなく
且つエンジンの燃焼特性を変化させることなく自動車の
場合と同様の状態で排ガスを採取することができる。As described above, in any of the embodiments of the adapter for collecting exhaust gas of a motorcycle or the like according to the present invention, the exhaust gas is not diluted from the muffler having various shapes and the combustion characteristics of the engine are not changed. Exhaust gas can be collected in the same state as in a car.
【００１４】[0014]
【発明の効果】以上詳述したように、この発明の二輪自
動車等の排ガス採取用アダプタによれば、種々の形状を
した二輪自動車のマフラ−（排気管）から稀釈すること
なく分析用の排ガスを採取することができる。また、排
気ガス採取時に排気口部の内圧を高くしないで排ガスの
採取が可能となる。従って、エンジンの燃焼状態に影響
を及ぼすことなく試験時の各走行モ−ドでの排ガスを採
取することが可能となる。As described above in detail, according to the adapter for collecting exhaust gas of a motorcycle or the like of the present invention, the exhaust gas for analysis can be obtained without dilution from a muffler (exhaust pipe) of a motorcycle having various shapes. Can be collected. Further, exhaust gas can be collected without increasing the internal pressure of the exhaust port when collecting exhaust gas. Therefore, it is possible to collect the exhaust gas in each running mode during the test without affecting the combustion state of the engine.
【図１】この発明の二輪自動車等の排気ガス採取用アダ
プタの斜視図である。FIG. 1 is a perspective view of an exhaust gas sampling adapter of a motorcycle and the like according to the present invention.
【図２】この発明の二輪自動車等の排ガス採取用アダプ
タをマフラ−に装着した状態の横断面図である。FIG. 2 is a cross-sectional view showing a state in which an exhaust gas collecting adapter for a motorcycle or the like according to the present invention is mounted on a muffler.
【図３】図３（Ａ）は、この発明の二輪自動車等の排ガ
ス採取用アダプタをマフラ−に装着した状態の縦断面図
であり、図３（Ｂ）は、プロ−ブに塵埃除去用のフィル
タ−部を設けたタイプを示す図である。FIG. 3 (A) is a longitudinal sectional view showing a state in which an exhaust gas collecting adapter for a two-wheeled vehicle or the like of the present invention is mounted on a muffler, and FIG. 3 (B) shows a probe for removing dust. It is a figure showing the type provided with the filter part of.
【図４】この発明の二輪自動車等の排ガス採取用アダプ
タの変形実施形態の外観側面図である。FIG. 4 is an external side view of a modified embodiment of the exhaust gas collecting adapter for a motorcycle or the like of the present invention.
【図５】この発明の変形実施形態の二輪自動車等の排ガ
ス採取用アダプタを用いて排気口を絞り込んだマフラ−
から排ガスを採取する状態の断面図である。FIG. 5 is a muffler having an exhaust port narrowed down by using an exhaust gas collecting adapter of a motorcycle or the like according to a modified embodiment of the present invention.
FIG. 4 is a cross-sectional view of a state in which exhaust gas is collected from a vehicle.
【図６】この発明の変形実施形態の二輪自動車等の排ガ
ス採取用アダプタを用いて通常のマフラ−から排ガスを
採取する状態の断面図である。FIG. 6 is a cross-sectional view of a state in which exhaust gas is collected from a normal muffler using an exhaust gas collecting adapter of a motorcycle or the like according to a modified embodiment of the present invention.
【図７】この発明の変形実施形態の二輪自動車等の排ガ
ス採取用アダプタを用いて排気口が下方向を向いたマフ
ラ−から排ガスを採取する状態の断面図である。FIG. 7 is a cross-sectional view of a state in which exhaust gas is collected from a muffler whose exhaust port faces downward using an exhaust gas collecting adapter for a two-wheeled vehicle or the like according to a modified embodiment of the present invention.
【図８】図８は従来の二輪自動車等のマフラ−の一部断
面図を示し、図８（Ａ）は、排気口が少し狭い状態のも
のに排ガス採取用プロ−ブを挿入した状態を示し、図８
（Ｂ）は、排気口が下方向を向いている状態を示し、図
８（Ｃ）は従来のマフラ−を後方から見た状態を示す図
である。FIG. 8 is a partial cross-sectional view of a conventional muffler of a two-wheeled motor vehicle or the like, and FIG. 8 (A) shows a state where an exhaust gas sampling probe is inserted into a state where an exhaust port is slightly narrow. FIG. 8
8B shows a state where the exhaust port faces downward, and FIG. 8C shows a state where the conventional muffler is viewed from behind.
１ 排ガス採取用アダプタ １ａ アダプタ本体部 １ｂ アダプタ本体部の開口部の内側壁面 １ｃ アダプタ本体部の後部の穴 ２ クリップ ３ プロ−ブ ３ａ プロ−ブの排ガス取り入れ口 ４ マフラ− ４ａ マフラ−の排気口 ４ｂ マフラ−の外側壁面 DESCRIPTION OF SYMBOLS 1 Exhaust gas sampling adapter 1a Adapter main body 1b Inner wall surface of opening of adapter main body 1c Hole at rear of adapter main body 2 Clip 3 Probe 3a Exhaust gas intake of probe 4 Muffler 4a Exhaust of muffler 4b Outside wall of muffler
Claims (3)
先端部に排気口を設けた二輪自動車用マフラ−の外側壁
面を包み込むように嵌め入れる開口部を形成すると共
に、後端部に排気ガス採取用のプロ−ブの先端部を嵌め
入れる穴を設けて成ることを特徴とする二輪自動車の排
ガス採取用アダプタ。1. The main body is made of a flexible heat-resistant material,
An opening is formed for fitting around the outer wall surface of the muffler for a motorcycle having an exhaust port at the front end, and a hole is provided at the rear end for fitting the front end of a probe for collecting exhaust gas. An exhaust gas sampling adapter for a motorcycle, comprising:
込むように嵌め入れた前記アダプタの開口部近傍をクリ
ップで挟持することを特徴とする請求項１に記載の二輪
自動車の排ガス採取用アダプタ。2. The exhaust gas collecting adapter for a two-wheeled vehicle according to claim 1, wherein a portion near an opening of the adapter fitted so as to wrap around an outer wall surface of the muffler for a two-wheeled vehicle is clipped.
嵌め入れるよう一定範囲前端部から内側途中にかけて径
が漸次減少するように錐体部を形成すると共に該錐体部
から後方に排ガス採取用のプロ−ブの先端部を嵌め入れ
る管路を形成して成ることを特徴とする二輪自動車の排
ガス採取用アダプタ。3. A conical portion is formed so that a diameter thereof gradually decreases from a front end portion to a middle portion of a predetermined range so as to fit the entire outer end portion of the muffler for a two-wheeled vehicle, and exhaust gas is collected rearward from the conical portion. An exhaust gas sampling adapter for a two-wheeled vehicle, wherein a pipe is formed in which a tip of a probe for fitting is fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00236998A JP3604270B2 (en) | 1998-01-08 | 1998-01-08 | Adapter for collecting exhaust gas from motorcycles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00236998A JP3604270B2 (en) | 1998-01-08 | 1998-01-08 | Adapter for collecting exhaust gas from motorcycles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11201878A true JPH11201878A (en) | 1999-07-30 |
| JP3604270B2 JP3604270B2 (en) | 2004-12-22 |
Family
ID=11527348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP00236998A Expired - Fee Related JP3604270B2 (en) | 1998-01-08 | 1998-01-08 | Adapter for collecting exhaust gas from motorcycles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3604270B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012083205A (en) * | 2010-10-12 | 2012-04-26 | Honda Motor Co Ltd | Attachment for collecting exhaust gas and detachment method for the same |
| JP2012202845A (en) * | 2011-03-25 | 2012-10-22 | Toyo Eng Works Ltd | Exhaust gas suction device for vehicle to be tested |
| KR200473709Y1 (en) * | 2013-02-07 | 2014-07-24 | 한국환경공단 | Flange adapter for collecting combution gas sample |
-
1998
- 1998-01-08 JP JP00236998A patent/JP3604270B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012083205A (en) * | 2010-10-12 | 2012-04-26 | Honda Motor Co Ltd | Attachment for collecting exhaust gas and detachment method for the same |
| JP2012202845A (en) * | 2011-03-25 | 2012-10-22 | Toyo Eng Works Ltd | Exhaust gas suction device for vehicle to be tested |
| KR200473709Y1 (en) * | 2013-02-07 | 2014-07-24 | 한국환경공단 | Flange adapter for collecting combution gas sample |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3604270B2 (en) | 2004-12-22 |
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