WO2011068054A1 - 排気浄化装置 - Google Patents
排気浄化装置 Download PDFInfo
- Publication number
- WO2011068054A1 WO2011068054A1 PCT/JP2010/070813 JP2010070813W WO2011068054A1 WO 2011068054 A1 WO2011068054 A1 WO 2011068054A1 JP 2010070813 W JP2010070813 W JP 2010070813W WO 2011068054 A1 WO2011068054 A1 WO 2011068054A1
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- WIPO (PCT)
- Prior art keywords
- exhaust
- purification catalyst
- exhaust purification
- downstream port
- vehicle
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/086—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling having means to impart whirling motion to the gases
- F01N1/087—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling having means to impart whirling motion to the gases using tangential inlets into a circular chamber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
- B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
Definitions
- the present invention relates to an exhaust purification device.
- Vehicles such as automobiles are provided with an exhaust purification device for purifying exhaust gas from an internal combustion engine.
- an exhaust purification device as shown in FIG. 9, an exhaust pipe 102 extending downward from a front portion of the internal combustion engine 101, an exhaust purification catalyst 104 extending below the engine 101 in the front-rear direction of the vehicle, An exhaust pipe having a downstream port 103 of the exhaust pipe 102 and an exhaust guide 105 connecting the front end of the exhaust purification catalyst 104 is known.
- “front” and “rear” correspond to the front side and the rear side of the vehicle, respectively.
- Exhaust gas discharged from the internal combustion engine 101 to the exhaust pipe 102 flows into the exhaust guide portion 105 via the downstream port 103 of the exhaust pipe 102 and further flows into the exhaust purification catalyst 104 from its front end. It is released into the atmosphere after being purified in
- the exhaust purification catalyst 104 is provided as close to the front side of the vehicle as possible (upstream in the exhaust flow direction), and the exhaust purification catalyst 104 is heated by the heat of the exhaust so that high-temperature exhaust flows into the exhaust purification catalyst 104.
- the effective warm-up of is planned.
- the exhaust pipe 102 that guides the exhaust of the internal combustion engine 101 to the exhaust purification catalyst 104 projects from the front of the internal combustion engine 101 because the exhaust of the internal combustion engine 101 is exhausted from the engine 101 toward the front of the vehicle. It extends downward along the front surface.
- the exhaust guide portion 105 is formed in a shape bent approximately 90 ° so that the downstream port 103 of the exhaust pipe 102 can be connected to the front end of the exhaust purification catalyst 104.
- the exhaust guide portion 105 is bent by approximately 90 ° as described above, the exhaust flowing from the downstream port 103 of the exhaust pipe 102 toward the front end of the exhaust purification catalyst 104 via the exhaust guide portion 105 is the same exhaust gas. Flows through the lower part of the exhaust guide part 105 mainly as indicated by the arrows in the figure. As a result, most of the exhaust gas that has reached the exhaust purification catalyst 104 through the exhaust guide portion 105 flows into the catalyst 104 from the lower half of the front end face of the exhaust purification catalyst 104. Thus, if the inflow of exhaust gas from the front end surface of the exhaust purification catalyst 104 is biased to the lower half of the front end surface, it becomes difficult to effectively purify the exhaust gas at the exhaust purification catalyst 104.
- Patent Document 1 discloses the configuration shown in [1] to [3] below in the exhaust purification device. Employment is disclosed.
- the central axis of the exhaust pipe connected to the exhaust guide portion is inclined with respect to the central axis of the exhaust purification catalyst, and the inclination angle is set to a small value of less than 45 °.
- the central axis of the exhaust pipe is relative to the center of the front end face of the exhaust purification catalyst.
- An exhaust pipe is provided so as to be offset in the inclination direction.
- a bulging portion that is curved to bulge outward is formed on the opposite side of the exhaust guide portion from the inclination direction.
- FIGS. 10 and 11 show application examples of the above-described configurations [1] to [3] for the exhaust emission control device of FIG.
- the arrangements [1] to [3] can be realized by arranging the exhaust purification catalyst 104 so as to be inclined upward.
- the downstream end of the exhaust pipe 102 is formed so as to extend obliquely toward the rear side and the lower side of the vehicle with a tilt angle of less than 45 ° with respect to the horizontal plane.
- the configurations 1] to [3] can be realized.
- JP 2004-332607 A paragraphs [0024] to [0032], FIGS. 3 to 5)
- the exhaust purification catalyst 104 is inclined to the front rising state in the example of FIG. It is highly likely that the exhaust purification catalyst 104 will not fit between the lower part of the internal combustion engine 101 and the road surface, so this example cannot be actually used.
- the exhaust purification catalyst 104 can be arranged so as to extend in the front-rear direction (horizontal direction), so that the exhaust purification catalyst 104 does not fit completely between the lower part of the internal combustion engine 101 and the road surface. Absent.
- the downstream end portion of the exhaust pipe 102 must be extended toward the rear side of the vehicle.
- the exhaust purification catalyst 104 must be arranged on the downstream side (rear side of the vehicle) in the exhaust flow direction, and it is difficult to effectively warm up the exhaust purification catalyst 104 by the exhaust of the internal combustion engine 101. become.
- An object of the present invention is to provide an exhaust gas that can uniformly flow in exhaust gas from the front end face of the exhaust purification catalyst over the entire front end face without shifting the position of the exhaust purification catalyst downstream in the exhaust flow direction. It is to provide a purification device.
- an exhaust emission control device provided in an internal combustion engine mounted on a vehicle.
- the exhaust purification device includes an exhaust pipe, an exhaust purification catalyst, and an exhaust guide.
- the exhaust pipe extends downward from a front portion of the internal combustion engine and has a downstream port.
- the exhaust purification catalyst extends in the front-rear direction of the vehicle below the internal combustion engine.
- the exhaust guide unit connects the downstream port to the front end of the exhaust purification catalyst so that the central axis of the exhaust pipe is inclined with respect to the central axis of the exhaust purification catalyst.
- the exhaust guide portion connects the downstream port and the front end of the exhaust purification catalyst so that at least a part of an extended portion obtained when the downstream port is extended to the downstream side hits a lower portion of the inner surface of the exhaust guide portion.
- a bulging portion that bulges toward the front of the vehicle is formed in a portion on the front side of the vehicle with respect to the extended portion.
- FIG. 1 is a diagram schematically illustrating an internal combustion engine to which an exhaust emission control device according to an embodiment of the present invention is applied and an exhaust system thereof.
- the side view which shows the external shape of the exhaust guide part of FIG.
- the front view which shows the external shape of the exhaust guide part of FIG.
- FIGS. 1 and 2 correspond to the front side and the rear side of the automobile, respectively.
- FIG. 1 schematically shows an internal combustion engine 1 mounted on an automobile and its exhaust system.
- the internal combustion engine 1 includes an exhaust pipe 2 that extends downward from a front portion (left portion in the figure) of the internal combustion engine 1.
- an exhaust purification catalyst 3 is provided in the middle of the pipe line so as to extend in the vertical direction.
- An exhaust guide portion 6 is connected to the downstream port 4 of the exhaust pipe 2, and the exhaust guide portion 6 has a front end of an exhaust purification catalyst 5 that extends in the front-rear direction of the automobile (left-right direction in the figure) below the internal combustion engine 1. It is connected.
- the front end of the exhaust purification catalyst 5 is connected to the downstream port 4 of the exhaust pipe by the exhaust guide portion 6.
- the exhaust purification device provided in the automobile to purify the exhaust gas of the internal combustion engine 1 includes the exhaust purification catalyst 5, the exhaust guide portion 6 and the like.
- the exhaust gas emitted from the internal combustion engine 1 to the exhaust pipe 2 is purified by the exhaust purification catalyst 3, and then the exhaust guide section 6 via the downstream port 4 of the exhaust pipe 2.
- the exhaust purification apparatus the exhaust gas is exhausted in order to allow warm exhaust gas to flow into the exhaust purification catalyst 5 located downstream of the exhaust purification catalyst 3 and to effectively warm up the catalyst 5 with the heat of the exhaust gas.
- the purification catalyst 5 is provided on the upstream side in the exhaust flow direction as much as possible. However, since the exhaust purification catalyst 3 is provided on the front side of the internal combustion engine 1, the exhaust purification catalyst 5 is provided on the lower side of the internal combustion engine 1 as close to the front side of the automobile as possible.
- FIG. 2 is a side view of the exhaust guide portion 6, and FIG. 3 is a front view of the exhaust guide portion 6.
- FIG. 4 schematically shows a state in which the inside of the exhaust guide portion 6 is viewed from the side
- FIG. 5 schematically shows a state in which the inside of the exhaust guide portion 6 is viewed from the front side in front. Is.
- the outer shape of the exhaust guide 6 is the shape shown in FIGS.
- the exhaust guide portion 6 connects the downstream port 4 of the exhaust pipe 2 and the front end of the exhaust purification catalyst 5 so as to realize the following configurations [a] to [c].
- the inclination angle ⁇ formed by the central axis C1 and the central axis C2 is set to a value within the range of 45 to 135 °.
- FIG. 1 As shown in FIG.
- FIGS. 6 schematically shows a state of the inside of the exhaust guide portion 6 viewed from the side
- FIG. 7 schematically shows a state of the inside of the exhaust guide portion 6 viewed from the front side. Is.
- the exhaust gas that has entered the exhaust guide portion 6 from the downstream port 4 of the exhaust pipe 2 hits the lower inner surface of the exhaust guide portion 6, and is divided into the rear side and the front side of the automobile, and is divided into the rear side.
- the exhausted gas flows into the catalyst 5 from the lower half of the front end face of the exhaust purification catalyst 5.
- the exhaust gas that has flowed to the front side flows forward along the inner surface of the bulging portion 7 of the exhaust guide portion 6, and turns to the upper side and further to the rear side by the inner surface to change the direction of the front end surface of the exhaust purification catalyst 5. It flows into the catalyst 5 from the upper half.
- the inner surface of the bulging portion 7 and the upper inner surface of the exhaust guide portion 6 are curved so that the exhaust gas flowing along them is smoothly guided to the upper half of the exhaust purification catalyst 5.
- the amount of exhaust gas that splits into the rear side of the vehicle after the exhaust gas that has entered the exhaust guide unit 6 from the downstream port 4 of the exhaust pipe 2 hits the lower inner surface of the exhaust guide unit 6 and the amount of exhaust gas that flows into the front side of the vehicle
- This ratio varies depending on the inclination angle ⁇ formed by the central axis C1 and the central axis C2 with the internal combustion engine 1 in between.
- the inclination angle ⁇ in this example is a value within the range of 45 to 135 ° described above, and the amount of exhaust gas diverted to the rear side of the vehicle is equal to the amount of exhaust gas diverted to the front side of the vehicle.
- a value (for example, 95 °) is set.
- the central axis C1 of the exhaust pipe 2 is located away from the central axis C2 of the exhaust purification catalyst 5 in the horizontal direction.
- Exhaust gas that has entered the interior of the exhaust gas 6 and then diverted to the front side of the automobile by hitting the inside of the lower surface of the exhaust gas guide 6 flows as indicated by an arrow Y in FIG. That is, the exhaust gas draws a spiral trajectory around the central axis C ⁇ b> 2 of the exhaust purification catalyst 5 when flowing forward along the inner surface of the bulging portion 7 (FIG. 6) of the exhaust guide portion 6. .
- the flow of the exhaust gas diverted to the front side of the automobile interferes with the flow of exhaust gas that enters the exhaust guide portion 6 from the downstream port 4 of the exhaust pipe 2.
- the exhaust pipe 2 is arranged so that an extended portion (broken line in FIG. 4) obtained when the downstream port 4 of the exhaust pipe 2 is extended is detached from the front end face of the exhaust purification catalyst 5 toward the front side of the automobile.
- the central axis C1 of the exhaust pipe 2 is made to stand with respect to the central axis C2 of the exhaust purification catalyst 5.
- the exhaust purification catalyst is shifted toward the rear side of the vehicle so that the downstream end portion of the exhaust pipe is laid down with respect to the central axis of the exhaust purification catalyst as in the prior art (see FIG. 11). There is no need.
- the exhaust gas that has entered the exhaust guide portion 6 from the downstream port 4 of the exhaust pipe 2 hits the lower inner surface of the exhaust guide portion 6 and is divided into the rear side and the front side of the automobile. 5 flows into the catalyst 5 from the lower half of the front end face.
- the exhaust gas that has flowed to the front side flows forward along the inner surface of the bulging portion 7 of the exhaust guide portion 6, and turns to the upper side and further to the rear side by the inner surface to change the direction of the front end surface of the exhaust purification catalyst 5. It flows into the catalyst 5 from the upper half. For this reason, it is possible to prevent the exhaust purification catalyst 5 from being biased in the exhaust purification catalyst 5 such that the exhaust gas flows only from the lower half of the front end face thereof.
- the inflow of exhaust gas from the front end surface of the exhaust purification catalyst 5 is made uniform over the entire front end surface without shifting the position of the exhaust purification catalyst 5 to the downstream side (rear side of the automobile) in the exhaust flow direction. Will be able to do.
- Exhaust gas that has entered the exhaust guide portion 6 from the downstream port 4 of the exhaust pipe 2 hits the lower inner surface of the exhaust guide portion 6 and is divided into the rear side and the front side of the vehicle.
- a spiral locus is drawn around the central axis C ⁇ b> 2 of the exhaust purification catalyst 5. This is because the central axis C1 of the exhaust pipe 2 is located away from the central axis C2 of the exhaust purification catalyst 5 in the horizontal direction. Then, as the exhaust gas diverted to the front side of the automobile flows in a spiral locus as described above, the exhaust gas bypasses the flow of the exhaust gas that enters the exhaust guide portion 6 from the downstream port 4 of the exhaust pipe 2.
- the inclination angle ⁇ is a value within the range of 45 ° to 135 ° described above, and the flow of exhaust from the downstream port 4 of the exhaust pipe 2 is below the exhaust guide 6.
- a value (95 ° in this example) is set so that the amount of exhaust gas diverted to the rear side of the vehicle and the amount of exhaust gas diverted to the front side of the vehicle when hitting the inner surface are equal.
- the amount of exhaust gas that flows into the rear side of the automobile and flows into the catalyst 5 from the lower half at the front end portion of the exhaust purification catalyst 5 is the same as that from the upper half of the exhaust purification catalyst 5 that flows into the front side of the automobile.
- the amount of exhaust gas flowing into the catalyst 5 becomes equal. Therefore, the inflow of exhaust gas from the front end surface of the exhaust purification catalyst 5 can be performed more accurately and uniformly over the entire front end surface.
- the said embodiment can also be changed as follows, for example. As shown in FIG. 8, on the inner surface of the exhaust guide portion 6, it protrudes toward the downstream port 4 at a position overlapping with an extended portion (broken line) obtained when the downstream port 4 of the exhaust pipe 2 is extended downstream. You may form the diversion part 8 which diverts a part of exhaust_gas
- the amount of exhaust gas flowing to the front side of the automobile and the amount of exhaust gas flowing to the rear side of the automobile are adjusted only by adjusting the inclination of the flow dividing section 8 while fixing the inclination angle ⁇ . It is also possible to prevent the change of the tilt angle ⁇ from causing a great influence on the arrangement of other components.
- the range of 45 to 135 ° is exemplified as the range of the inclination angle ⁇ , but a more preferable range is 70 to 120 °, and the most preferable range is 80 to 110 °.
- the exhaust guide portion 6 includes the downstream port 4 of the exhaust pipe 2 and the exhaust purification catalyst so that a part of the extended portion obtained when the downstream port 4 of the exhaust pipe 2 is extended to the downstream side hits the lower part of the inner surface of the exhaust guide portion 6. 5 may be connected to the front end.
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Abstract
Description
[1]排気案内部に繋がる排気管の中心軸線を排気浄化触媒の中心軸線に対し傾斜させ、その傾斜角度を45°未満という小さい値に設定する。
[2]排気案内部に繋がる排気管の下流ポートを延長したときの延長部分が排気浄化触媒の前端面から外れない範囲で、同排気管の中心軸線が排気浄化触媒の前端面の中心に対し上記傾斜の方向にオフセットされるよう排気管を設ける。
[3]排気案内部における上記傾斜の方向と反対側に、外方に膨出するよう湾曲する膨出部を形成する。
[a]図4に示されるように、排気管2の中心軸線C1が排気浄化触媒5の中心軸線C2に対し傾斜した状態(90°を含む)とし、より具体的には内燃機関1を挟んで前記中心軸線C1と前記中心軸線C2とがなす傾斜角度θが45~135°の範囲内の値となるようにする。
[b]図4に示されるように、排気管2の下流ポート4を図中破線で示されるように下流側に延長したときに得られる延長部分の少なくとも一部(この例では全部)が、排気案内部6の内面下部に当たるようにする。
[c]図5に示されるように、排気管2の中心軸線C1を排気浄化触媒5の中心軸線C2に対し水平方向について離れて位置するようにする。
(1)排気管2の下流ポート4を延長したときに得られる延長部分(図4の破線)が排気浄化触媒5の前端面から自動車の前側に向けて外れるように同排気管2が配置され、それによって排気管2の中心軸線C1が排気浄化触媒5の中心軸線C2に対し立った状態とされる。こうした構成では、従来(図11参照)のように排気管の下流端部を排気浄化触媒の中心軸線に対し寝かせた状態とするために、排気浄化触媒を自動車の後側に向けてずらす、といった必要はない。また、排気管2の下流ポート4から排気案内部6に入った排気は、同排気案内部6の下部内面に当たって自動車の後側と前側とに分流し、後側に分流した排気は排気浄化触媒5の前端面の下半分から同触媒5内部に流入する。一方、前側に分流した排気は排気案内部6の膨出部7の内面に沿って前方に向かって流れ、同内面により上側、更には後側に向きを変えて排気浄化触媒5の前端面の上半分から同触媒5内部に流入する。このため、排気浄化触媒5に対しその前端面の下半分のみから排気が流入するという、排気浄化触媒5における排気の流入の偏りを防止できる。以上により、排気浄化触媒5の位置を排気の流れ方向における下流側(自動車の後側)にずらすことなく、排気浄化触媒5の前端面からの排気の流入を同前端面全体に亘って均一に行うことができるようになる。
図8に示すように、排気案内部6の内面において、排気管2の下流ポート4を下流側に延長したときに得られる延長部分(破線)と重なる位置に、下流ポート4に向けて突出して同下流ポート4から流れる排気の一部を自動車の前側(図中左側)に分流させる分流部8を形成してもよい。
排気案内部6は、排気管2の下流ポート4を下流側に延長したときに得られる延長部分の一部が排気案内部6の内面下部に当たるよう、排気管2の下流ポート4と排気浄化触媒5の前端とを繋ぐものであってもよい。
Claims (5)
- 車両に搭載された内燃機関に設けられる排気浄化装置において、
前記内燃機関の前側部分から下方に延び、下流ポートを有する排気管と、
前記内燃機関の下方で車両の前後方向に延びる排気浄化触媒と、
前記下流ポートを前記排気浄化触媒の前端に、前記排気管の中心軸線が前記排気浄化触媒の中心軸線に対し傾斜した状態となるように繋ぐ排気案内部とを備え、
前記排気案内部は、前記下流ポートを下流側に延長したときに得られる延長部分の少なくとも一部が前記排気案内部の内面下部に当たるように、前記下流ポートと前記排気浄化触媒の前端とを繋ぎ、
前記排気案内部において、前記延長部分よりも車両の前側の部分には、車両の前方に向けて膨らむ膨出部が形成されている、排気浄化装置。 - 前記排気案内部は、前記排気管の中心軸線が前記排気浄化触媒の中心軸線に対し水平方向について離れて位置するよう、前記下流ポートと前記排気浄化触媒の前端とを繋ぐ、請求項1に記載の排気浄化装置。
- 前記排気浄化触媒の中心軸線に対する前記排気管の中心軸線の傾斜角度は、前記下流ポートから前記排気案内部に入った排気が同排気案内部の下部内面に当たったとき、車両の後側に分流する排気の量と車両の前側に分流する排気の量とが等しくなる値に設定されている、請求項1に記載の排気浄化装置。
- 前記排気案内部の内面における前記延長部分と重なる位置に、前記下流ポートに向けて突出して同下流ポートから流れる排気の一部を車両の前側に分流させる分流部が形成されている、請求項1に記載の排気浄化装置。
- 前記内燃機関を挟んで前記排気浄化触媒の中心軸線と前記排気管の中心軸線とがなす傾斜角度が45°~135°の範囲内の値となっている、請求項1に記載の排気浄化装置。
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BR112012012363-7A BR112012012363A2 (pt) | 2009-12-01 | 2010-11-22 | dispositivo de purificação de exaustão |
CN201080053816.0A CN102630269B (zh) | 2009-12-01 | 2010-11-22 | 排气净化装置 |
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JP2009273753A JP5381661B2 (ja) | 2009-12-01 | 2009-12-01 | 排気浄化装置 |
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JP6051556B2 (ja) * | 2012-03-22 | 2016-12-27 | いすゞ自動車株式会社 | 内燃機関 |
JP6055305B2 (ja) | 2012-12-26 | 2016-12-27 | ヤンマー株式会社 | 排気ガス浄化装置 |
JP6816457B2 (ja) * | 2016-11-11 | 2021-01-20 | いすゞ自動車株式会社 | 内燃機関の排気系構造 |
JP7564007B2 (ja) | 2021-02-09 | 2024-10-08 | フタバ産業株式会社 | 排気浄化装置 |
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JP4641952B2 (ja) * | 2006-02-08 | 2011-03-02 | 本田技研工業株式会社 | 排気触媒装置を備える多気筒内燃機関 |
JP5022123B2 (ja) * | 2007-07-06 | 2012-09-12 | 日野自動車株式会社 | 排気浄化装置 |
JP4884332B2 (ja) * | 2007-08-21 | 2012-02-29 | トヨタ自動車株式会社 | 内燃機関の排気システム |
EP2075428B1 (en) * | 2007-12-25 | 2011-11-16 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Emission control system |
JP2009197695A (ja) * | 2008-02-21 | 2009-09-03 | Yanmar Co Ltd | 排ガス浄化装置 |
-
2009
- 2009-12-01 JP JP2009273753A patent/JP5381661B2/ja not_active Expired - Fee Related
-
2010
- 2010-11-22 BR BR112012012363-7A patent/BR112012012363A2/pt not_active Application Discontinuation
- 2010-11-22 CN CN201080053816.0A patent/CN102630269B/zh not_active Expired - Fee Related
- 2010-11-22 WO PCT/JP2010/070813 patent/WO2011068054A1/ja active Application Filing
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JPH10176527A (ja) * | 1996-12-19 | 1998-06-30 | Meidensha Corp | 脱硝装置 |
JP2008128045A (ja) * | 2006-11-17 | 2008-06-05 | Mitsubishi Motors Corp | 排気浄化装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3075978A1 (en) * | 2015-03-30 | 2016-10-05 | Toyota Jidosha Kabushiki Kaisha | Exhaust pipe structure |
Also Published As
Publication number | Publication date |
---|---|
JP2011117328A (ja) | 2011-06-16 |
CN102630269B (zh) | 2015-08-05 |
BR112012012363A2 (pt) | 2020-09-15 |
CN102630269A (zh) | 2012-08-08 |
JP5381661B2 (ja) | 2014-01-08 |
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