JPH1162550A - Exhaust emission control device for vehicle - Google Patents
Exhaust emission control device for vehicleInfo
- Publication number
- JPH1162550A JPH1162550A JP9220313A JP22031397A JPH1162550A JP H1162550 A JPH1162550 A JP H1162550A JP 9220313 A JP9220313 A JP 9220313A JP 22031397 A JP22031397 A JP 22031397A JP H1162550 A JPH1162550 A JP H1162550A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- vehicle
- catalyst
- inner cylinder
- outer cylinder
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、ガソリン、ディーゼ
ル等の燃料を用いたエンジンでの燃焼による排気ガス
を、マフラーを介して、放出する排気系の後端部に接続
して使用される、乗用車、トラック、オートバイ等の各
種車両に用いられる車両用排気ガス浄化装置に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used by connecting exhaust gas generated by combustion in an engine using fuel such as gasoline or diesel through a muffler to a rear end of an exhaust system for discharging the exhaust gas. The present invention relates to a vehicle exhaust gas purification device used for various vehicles such as passenger cars, trucks, and motorcycles.
【０００２】[0002]
【従来の技術】従来の車両は、エンジンでの燃焼によっ
て生じた排気ガスを、サーマル・リァクター（未燃焼ガ
ス燃焼装置）、酸化触媒、三元触媒に通して浄化してい
る。例えば、排気ガス中のHC（炭化水素）、CO（一酸化
炭素）、NOX（窒素酸化物）を触媒に触れさせて、酸化
還元し、CO2、 H2O、N2にして無害化し、更にマフラー
を介して膨張させて温度を下げて、放出していた。2. Description of the Related Art A conventional vehicle purifies exhaust gas generated by combustion in an engine through a thermal reactor (unburned gas combustion device), an oxidation catalyst, and a three-way catalyst. For example, HC (hydrocarbon), CO (carbon monoxide), and NOX (nitrogen oxide) in exhaust gas are exposed to a catalyst, redox reduced to CO2, H2O, and N2, rendered harmless, and further passed through a muffler. To expand and lower the temperature and release.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、従来の
車両での浄化では、外気である空気の取り込みや、混合
が十分でなく、まだHC、NOX, CO等の有害物質の除去は
十分ではなかった。益々ひどくなる地球環境を汚染から
防ぐという大きな流れから一層その対応は迫られてい
る。However, in the conventional vehicle purification, the intake and mixing of outside air is not sufficient, and the removal of harmful substances such as HC, NOX, and CO is not sufficient. . The ever-increasing trend of preventing the global environment from being polluted is urging them to respond.
【０００４】そこで、この発明は、車両が放出する有害
物質をより一層高度にかつ簡便に浄化する車両用排気ガ
ス浄化装置を提供することを目的としている。Accordingly, an object of the present invention is to provide a vehicle exhaust gas purifying apparatus that purifies harmful substances emitted from a vehicle more highly and simply.
【０００５】[0005]
【課題を解決するための手段】この目的を達成するため
に、請求項１に記載された発明は、エンジンでの燃焼に
よる排気ガスをマフラーを介して放出する排気系の後端
部に接続して使用される車両用排気ガス浄化装置におい
て、前記排気ガスを触媒に接触させ、浄化を進めさせた
後、取り込んだ外気と混合攪拌させ、温度を低下させて
有害物質を無害化させることを特徴としている。In order to achieve this object, the invention described in claim 1 is connected to a rear end of an exhaust system that discharges exhaust gas generated by combustion in an engine through a muffler. In the exhaust gas purifying apparatus for a vehicle used, the exhaust gas is brought into contact with a catalyst to purify the mixture, and then mixed and stirred with the taken outside air to lower the temperature to detoxify harmful substances. And
【０００６】また、請求項２に記載された発明は、エン
ジンでの燃焼による排気ガスをマフラーを介して放出す
る排気系の後端部に接続して使用される車両用排気ガス
浄化装置において、一端に前記排気系に接続される接続
管を有し、他端が開放された外筒と、前記外筒の開放側
を閉成するとともに、排気ガスの放出管及び外気吸入用
多孔を有した蓋と、前記外筒に収納され、一端に網目状
の通気部を形成し、他端が開放された内筒と、前記内筒
の開放側に嵌め込まれ、両端に網目状の通気部が形成さ
れ、前記内筒の前記通気部との間に触媒充填空間を形成
した筒状栓と、前記触媒充填空間に充填する触媒とから
なることを特徴としている。According to a second aspect of the present invention, there is provided an exhaust gas purifying apparatus for a vehicle which is used by being connected to a rear end of an exhaust system for discharging exhaust gas generated by combustion in an engine through a muffler. One end has a connection pipe connected to the exhaust system, and the other end has an open outer cylinder, an open side of the outer cylinder is closed, and an exhaust gas discharge pipe and an outside air suction port are provided. A lid, housed in the outer cylinder, forming a mesh-shaped ventilation section at one end, and an inner cylinder open at the other end, and fitted on the open side of the inner cylinder, forming a mesh-shaped ventilation section at both ends. And a tubular plug having a catalyst-filled space formed between the inner cylinder and the ventilation section, and a catalyst filled in the catalyst-filled space.
【０００７】[0007]
【作用】請求項１に記載された発明によれば、エンジン
での燃焼によって生じ、マフラーを介して放出された排
気ガスは、車両用排気ガス浄化装置によって、触媒に接
触させられ、浄化が進めさせられた後、取り込んだ外気
と混合攪拌させられ、温度を低下させられて有害物質を
無害化させられる。According to the first aspect of the present invention, the exhaust gas generated by combustion in the engine and released through the muffler is brought into contact with the catalyst by the vehicle exhaust gas purification device, and the purification proceeds. After that, it is mixed and stirred with the taken-in outside air, and the temperature is lowered to make harmful substances harmless.
【０００８】また、請求項２に記載された発明によれ
ば、この排気ガス浄化装置に入ってきた排気ガスは、接
続管を通して触媒充填空間の触媒と接触し、触媒によっ
て浄化が助長され、更に、筒状栓の場所で、外気吸入用
多孔から取り入れられた外気と排気ガスとが混合され、
温度が低下され、酸化還元を進めて無害化させられる。According to the second aspect of the present invention, the exhaust gas which has entered the exhaust gas purifying device comes into contact with the catalyst in the catalyst filling space through the connecting pipe, and the purification is promoted by the catalyst. At the place of the cylindrical stopper, the outside air and exhaust gas taken from the outside air intake port are mixed,
The temperature is lowered, and the redox is promoted to render it harmless.
【０００９】[0009]
【実施例】以下、この発明を図面に基づいて説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings.
【００１０】図１乃至図３は、この発明の一実施例を示
すものである。FIGS. 1 to 3 show an embodiment of the present invention.
【００１１】まず構成を説明すると、図３において、符
号１は、ガソリン、ディーゼル等の燃料を用いたエンジ
ンを搭載する車両、Ｊは、車両用排気ガス浄化装置を表
す。その車両用排気ガス浄化装置Ｊは、車両１のエンジ
ン２に順次連結されたエグゾーストマニホールド３、フ
ロント排気チューブ４、キャタライザ５、センター排気
チューブ６、及びマフラー７等からなる排気系の後端部
８に連結されている。First, in FIG. 3, reference numeral 1 indicates a vehicle equipped with an engine using fuel such as gasoline or diesel, and J indicates an exhaust gas purifying apparatus for a vehicle. The exhaust gas purifying apparatus J for a vehicle includes a rear end portion 8 of an exhaust system including an exhaust manifold 3, a front exhaust tube 4, a catalyzer 5, a center exhaust tube 6, and a muffler 7 which are sequentially connected to the engine 2 of the vehicle 1. It is connected to.
【００１２】そして、車両用排気ガス浄化装置Ｊは、図
１に示すように大略、外筒１０、蓋２０、内筒３０、筒
状栓４０と構成されている。As shown in FIG. 1, the vehicle exhaust gas purifying apparatus J generally comprises an outer cylinder 10, a lid 20, an inner cylinder 30, and a cylindrical plug 40.
【００１３】外筒１０は、車両の排気系の後端部８と連
結され接続管１１と、この接続管１１と連通して接続さ
れている筒状部１２を有している。即ち、筒状部１２の
一端には、接続管１１が設けられ、他端は開放されてい
る。そして、筒状部１２の内側で接続管１１寄りに、内
筒３０を受け止めるためのリング１３が設けられてい
る。更に、その開放された端部内周面には、蓋２０が螺
着されるように、螺旋状の溝が刻まれている。The outer cylinder 10 has a connecting pipe 11 connected to the rear end 8 of the exhaust system of the vehicle, and a tubular section 12 connected to and connected to the connecting pipe 11. That is, the connection pipe 11 is provided at one end of the cylindrical portion 12, and the other end is open. A ring 13 for receiving the inner cylinder 30 is provided inside the cylindrical portion 12 and near the connection pipe 11. Further, a spiral groove is formed on the inner peripheral surface of the open end so that the lid 20 is screwed.
【００１４】蓋２０には、外筒１０の開放された端部に
螺着できる螺子部を備えた蓋体２１と、この蓋体２１に
同心的に設けられている排気ガスの放出管２２、外気導
入管２３と、更に放出管２２と外気導入管２３との間の
蓋体２１に環状に配列されて（図２参照）貫通して設け
られている多数の外気導入用小孔２４とが形成されてい
る。導入管２３は、放出管２２より小さな径を有する。The lid 20 has a lid 21 provided with a screw portion which can be screwed to the open end of the outer cylinder 10, an exhaust gas discharge pipe 22 provided concentrically on the lid 21, An outside air introduction pipe 23 and a number of small outside air introduction holes 24 which are annularly arranged on the lid 21 between the discharge pipe 22 and the outside air introduction pipe 23 (see FIG. 2) and are provided therethrough. Is formed. The introduction tube 23 has a smaller diameter than the discharge tube 22.
【００１５】内筒３０は、外筒１０の筒状部１２より短
く小径の筒状部３１と、その接続管１１側の開放部に嵌
め込まれる段付環状部材３２とから構成されている。こ
の段付環状部材３２は、リング１３当接される段部３３
と、ステンレス金網等からなる網目状の通気部３４から
形成されている。更に後述する筒状栓４０を装着するこ
とによって、内筒３０の通気部３１との間に排気ガスを
浄化する触媒充填空間３５が形成されている。触媒充填
空間３５には、適当な触媒（例えば、セラミック触媒、
三元触媒等）が充填されている。The inner cylinder 30 is composed of a cylindrical section 31 having a smaller diameter than the cylindrical section 12 of the outer cylinder 10 and a stepped annular member 32 fitted into an opening on the connection pipe 11 side. The stepped annular member 32 has a stepped portion 33 to be brought into contact with the ring 13.
And a mesh-shaped ventilation portion 34 made of a stainless steel wire mesh or the like. Further, a catalyst charging space 35 for purifying exhaust gas is formed between the inner cylinder 30 and the ventilation section 31 by attaching a cylindrical plug 40 described later. A suitable catalyst (for example, a ceramic catalyst,
Three-way catalyst).
【００１６】筒状栓４０は、両端開放の筒状部４１と、
その両端に嵌入される環状部材４２、段付環状部材４３
とから構成されている。環状部材４２は、内筒３０の筒
状部３１の内側に入り込む外径で、網目状の通気部４４
を有している。段付環状部材４３は、小径部が内筒３０
の筒状部３１に入り込む、大径の段部４６が内筒３０の
開放端当接するとともに、外筒１０の筒状部１２の内側
に入り込むようにされて、中央部に網目状の通気部４５
を有している。これら通気部４４，４５は、内筒３０の
通気部３４と同様なステンレス等で作られている。通気
部４４と４５の間に、浄化された排気ガスを膨張させ、
そして外気と混合させて酸化反応を促進させるとともに
温度を低下させる膨張室４７が形成されている。また、
前述したように、筒状栓４０は、内筒３０の開放側に嵌
め込まれることによって、内筒３０の通気部３１との間
に触媒充填空間３５を形成する。The cylindrical plug 40 has a cylindrical portion 41 open at both ends,
An annular member 42 and a stepped annular member 43 fitted to both ends thereof
It is composed of The annular member 42 has an outer diameter that enters the inside of the cylindrical portion 31 of the inner cylinder 30 and has a mesh-shaped ventilation portion 44.
have. The small diameter portion of the stepped annular member 43 has the inner cylinder 30.
The large-diameter step 46 abuts the open end of the inner cylinder 30 and enters the inside of the cylindrical part 12 of the outer cylinder 10, and has a mesh-shaped ventilation part at the center. 45
have. These ventilation portions 44 and 45 are made of the same stainless steel as the ventilation portion 34 of the inner cylinder 30. Between the vents 44 and 45, the purified exhaust gas is expanded,
An expansion chamber 47 is formed to mix with the outside air to promote the oxidation reaction and to lower the temperature. Also,
As described above, the cylindrical plug 40 is fitted on the open side of the inner cylinder 30 to form the catalyst-filled space 35 with the ventilation section 31 of the inner cylinder 30.
【００１７】これらの構成物は、外筒１０内に、内筒３
０が収納されており、この内筒３０の開放した一端に筒
状栓４０が取り付けられており、更に、蓋２０が外筒１
０の開放した一端に螺着されることによって、外筒１
０、蓋２０、内筒３０、筒状栓４０は、（車両用排気ガ
ス浄化装置１０を形成する、）一体となって車両排気ガ
ス浄化装置Ｊとしている。These components are provided inside the outer cylinder 10 and the inner cylinder 3.
, A tubular plug 40 is attached to one open end of the inner cylinder 30, and the lid 20 is
0 is screwed to the open one end of the outer cylinder 1
0, the lid 20, the inner cylinder 30, and the tubular plug 40 are integrally formed as a vehicle exhaust gas purification device J (forming the vehicle exhaust gas purification device 10).
【００１８】以上、本発明の車両用排気ガス浄化装置Ｊ
の構造について述べたが、次に、当該装置の作用につい
て説明する。The exhaust gas purifying apparatus J for a vehicle according to the present invention is described above.
Having described the structure, the operation of the device will now be described.
【００１９】エンジン２の燃焼によって排気ガスは、排
気マニホールド３、フロント排気チューブ４、触媒が充
填されたキャタライザ５、センター排気チューブ６、マ
フラー７及びリヤ排気チューブ８等からなる排気系を通
過して浄化されるようになっているが、走行状態によっ
て HC, NOX, CO 等の有害物質の除去は十分ではない。
そして、排気ガスは、その排気系の後端に取り付けられ
た本発明の車両用排気ガス浄化装置Ｊの接続管１１に入
り、内筒３０の通気部を通って、触媒充填空間３５の三
元触媒等の触媒と接触し、触媒により酸化還元作用が促
進されて浄化される。更に浄化された排気ガスは、筒状
栓４０に入り、そこで膨張され、放出管２２から大気に
放出され、負圧となったところ、外気導入孔２４から取
り入れられた外気と混合攪拌される。これにより、筒状
栓４０内で、酸化還元が促進され、更に温度が低下し、
浄化された排気ガスが、排気ガス放出管２３から放出さ
れる。By the combustion of the engine 2, the exhaust gas passes through an exhaust system including an exhaust manifold 3, a front exhaust tube 4, a catalyst filled catalyst 5, a center exhaust tube 6, a muffler 7, a rear exhaust tube 8, and the like. Although it is being purified, the removal of harmful substances such as HC, NOX and CO is not sufficient depending on the driving conditions.
Then, the exhaust gas enters the connecting pipe 11 of the vehicle exhaust gas purifying apparatus J of the present invention attached to the rear end of the exhaust system, passes through the ventilation portion of the inner cylinder 30, and enters the three-way catalyst filling space 35. The catalyst comes into contact with a catalyst such as a catalyst, and the catalyst promotes oxidation-reduction action to be purified. Further, the purified exhaust gas enters the cylindrical stopper 40, is expanded there, is discharged to the atmosphere from the discharge pipe 22, and becomes negative pressure, and is mixed and stirred with the outside air introduced from the outside air introduction hole 24. Thereby, oxidation reduction is promoted in the cylindrical stopper 40, and the temperature further decreases,
The purified exhaust gas is discharged from the exhaust gas discharge pipe 23.
【００２０】なお、この発明は図面に基づいて説明して
きたが、具体的な構成は、この実施例に限られるもので
はなく、この発明の要旨を逸脱しない範囲の設計変更が
あっても、この発明に含まれる。例えば、触媒はセラミ
ックの材料に限らず、樹脂材料でも良い。また、当該装
置の材質は、ステンレスのほか、防錆効果のある金属で
も良い。Although the present invention has been described with reference to the drawings, the specific configuration is not limited to this embodiment, and even if there is a design change within a scope not departing from the gist of the present invention, the present invention is not limited to this embodiment. Included in the invention. For example, the catalyst is not limited to a ceramic material but may be a resin material. The material of the device may be a metal having a rust-preventive effect in addition to stainless steel.
【００２１】[0021]
【発明の効果】以上説明してきたように、請求項１及び
本発明によれば、この排気ガス浄化装置に入ってきた排
気ガスは、接続管を通って触媒充填空間の触媒と接触
し、触媒によって浄化され、更に、筒状栓内で、外気吸
入用多孔から取り入れられた外気と排気ガスとが混合攪
拌させられ、温度が低下し、酸化還元が促進され、より
高度に且つ簡便に浄化された排気ガスが大気に放出され
るので、車両が放出する有害物質をより一層高度にかつ
簡便に浄化する車両用排気ガス浄化装置を提供すること
ができる。As described above, according to the first aspect and the present invention, the exhaust gas entering the exhaust gas purifying device comes into contact with the catalyst in the catalyst charging space through the connecting pipe, and Further, inside the cylindrical stopper, the outside air and the exhaust gas taken in from the outside air intake port are mixed and stirred, the temperature is lowered, the oxidation-reduction is promoted, and the purification is performed more sophisticatedly and easily. Since the exhaust gas is released to the atmosphere, it is possible to provide a vehicle exhaust gas purifying apparatus that purifies harmful substances emitted from a vehicle more easily and more easily.
【図１】この発明の一実施例を示す車両用排気ガス浄化
装置の中央断面図であるFIG. 1 is a central sectional view of a vehicle exhaust gas purifying apparatus showing an embodiment of the present invention.
【図２】図１の車両用排気ガス浄化装置の右側面図であ
るFIG. 2 is a right side view of the vehicle exhaust gas purifying apparatus of FIG.
【図３】車両用排気ガス浄化装置を備える車両の概略図
である。FIG. 3 is a schematic view of a vehicle including the vehicle exhaust gas purification device.
１０ 外筒 １１ 接続管 ２０ 蓋 ２１ 蓋体 ２２ 放出管 ２３ 外気導入管 ２４ 外気導入用小孔 ３０ 内筒 ３１ 筒状部 ３２、４２ 段付環状部材 ３３、４３ 環状部材 ３４、４４、４５ 通気部 ３５ 触媒充填空間 ４０ 筒状栓 ４１ 筒状部 DESCRIPTION OF SYMBOLS 10 Outer cylinder 11 Connecting pipe 20 Lid 21 Lid 22 Discharge pipe 23 External air introduction pipe 24 Small hole for external air introduction 30 Inner cylinder 31 Cylindrical part 32, 42 Stepped annular member 33, 43 Annular member 34, 44, 45 Ventilation part 35 Catalyst filling space 40 Cylindrical plug 41 Cylindrical part
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｆ０１Ｎ 7/08 Ｆ０１Ｎ 7/08 Ａ ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification code FI F01N 7/08 F01N 7/08 A
Claims (2)
ーを介して放出する排気系の後端部に接続して使用され
る車両用排気ガス浄化装置において、 前記排気ガスを触媒に接触させ、浄化を進めさせた後、
取り込んだ外気と混合攪拌させ、温度を低下させて有害
物質を無害化させることを特徴とする車両用排気ガス浄
化装置。1. An exhaust gas purifying apparatus for a vehicle, which is used by being connected to a rear end of an exhaust system that emits exhaust gas generated by combustion in an engine through a muffler, wherein the exhaust gas is brought into contact with a catalyst to purify the exhaust gas. After proceeding,
An exhaust gas purifying apparatus for a vehicle, which mixes and stirs with taken-in outside air to lower the temperature to detoxify harmful substances.
ーを介して放出する排気系の後端部に接続して使用され
る車両用排気ガス浄化装置において、 一端に前記排気系に接続される接続管を有し、他端が開
放された筒状部が形成された外筒と、 前記外筒の開放側を閉成するとともに、排気ガスの放出
管及び外気吸入用多孔を有した蓋と、 前記外筒に収納され、一端に網目状の通気部を形成し、
他端が開放された内筒と、 前記内筒の開放側に嵌め込まれ、両端に網目状の通気部
が形成され、前記内筒の前記通気部との間に触媒充填空
間を形成した筒状栓と、 前記触媒充填空間に充填する触媒とからなることを特徴
とする車両用排気ガス浄化装置。2. An exhaust gas purifying apparatus for a vehicle, which is used by being connected to a rear end of an exhaust system for discharging exhaust gas generated by combustion in an engine through a muffler, wherein one end of the exhaust gas purifying device is connected to the exhaust system. An outer cylinder having a tube and having a cylindrical portion having the other end opened, and a lid having a discharge pipe for exhaust gas and a porosity for outside air suction, while closing an open side of the outer cylinder, It is housed in the outer cylinder and forms a mesh-shaped ventilation part at one end,
An inner cylinder whose other end is open, a cylindrical shape which is fitted on the open side of the inner cylinder, has a mesh-shaped ventilation portion formed at both ends, and has a catalyst-filled space formed between the inner cylinder and the ventilation portion. An exhaust gas purifying apparatus for a vehicle, comprising: a plug; and a catalyst filled in the catalyst filling space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22031397A JP3982775B2 (en) | 1997-08-15 | 1997-08-15 | Exhaust gas purification device for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22031397A JP3982775B2 (en) | 1997-08-15 | 1997-08-15 | Exhaust gas purification device for vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1162550A true JPH1162550A (en) | 1999-03-05 |
| JP3982775B2 JP3982775B2 (en) | 2007-09-26 |
Family
ID=16749193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22031397A Expired - Fee Related JP3982775B2 (en) | 1997-08-15 | 1997-08-15 | Exhaust gas purification device for vehicles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3982775B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113386554A (en) * | 2021-06-18 | 2021-09-14 | 东风汽车集团股份有限公司 | Three way catalyst converter installation device |
| CN114856762A (en) * | 2022-04-08 | 2022-08-05 | 陆玉松 | Three-way catalytic converter |
-
1997
- 1997-08-15 JP JP22031397A patent/JP3982775B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113386554A (en) * | 2021-06-18 | 2021-09-14 | 东风汽车集团股份有限公司 | Three way catalyst converter installation device |
| CN113386554B (en) * | 2021-06-18 | 2022-09-13 | 东风汽车集团股份有限公司 | Three way catalyst converter installation device |
| CN114856762A (en) * | 2022-04-08 | 2022-08-05 | 陆玉松 | Three-way catalytic converter |
| CN114856762B (en) * | 2022-04-08 | 2023-12-12 | 浙江奔利汽车部件有限公司 | Ternary catalyst |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3982775B2 (en) | 2007-09-26 |
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