CN1936288B - Environment-protective motor vehicle tail-gas purifying silencer - Google Patents

Environment-protective motor vehicle tail-gas purifying silencer Download PDF

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Publication number
CN1936288B
CN1936288B CN200510037319A CN200510037319A CN1936288B CN 1936288 B CN1936288 B CN 1936288B CN 200510037319 A CN200510037319 A CN 200510037319A CN 200510037319 A CN200510037319 A CN 200510037319A CN 1936288 B CN1936288 B CN 1936288B
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China
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catalytic converter
making
motor vehicle
outlet pipe
air device
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Expired - Fee Related
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CN200510037319A
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Chinese (zh)
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CN1936288A (en
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徐楠
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Priority to CN200510037319A priority Critical patent/CN1936288B/en
Priority to PCT/CN2006/002245 priority patent/WO2007033573A1/en
Publication of CN1936288A publication Critical patent/CN1936288A/en
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Publication of CN1936288B publication Critical patent/CN1936288B/en
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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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/30—Arrangements for supply of additional air
    • 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
    • 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
    • F01N13/009—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 having two or more separate purifying devices arranged in series
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • 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
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Silencers (AREA)

Abstract

This invention discloses an environmental protection muffler for purifying tail-gas of automobiles including a vent-pipe and a silencing pot interconnected, in which, a catalyzing converter filled with catalysts is set in the vent-pipe, the muffler also includes a gas additional device. This invention applies a pump or a check valve as the gas additional device and the catalyst can correspond to the best additional sphere and reach to the best result to fully oxidize the harmful substances not completely combusted during exhaust in the catalyzing converter.

Description

The motor vehicle tail-gas purifying silencer of environmental protection
Technical field
The present invention relates to the purification and the noise elimination technique of motor exhaust, more particularly, the present invention relates to a kind of motor vehicle tail-gas purifying silencer of environmental protection.
Background technique
At present domestic automobile, motorcycle quantity grow with each passing day, tail gas that motor is discharged and noise severe contamination environment and influenced the quiet life of citizen.In order to address this is that, prior art has generally adopted tail gas purifying silencer, it comprises outlet pipe and the silencing pot that is interconnected, in outlet pipe, be provided with the catalytic converter that is loading catalyzer, therefore when the tail gas of the engine emission of Motor Vehicle during through the catalytic converter in the outlet pipe, burning is catalytically converted into CO with the HC in the tail gas, NOx, CO thereby understand once more 2, H 2O and N 2, then by just being discharged in the atmosphere behind the silencing pot elimination noise.
Chinese patent 86103205 discloses the cylindrical metal shell that the noise elimination purifying agent is equipped with in a kind of the inside, this shell can be installed on the outlet pipe of Motor Vehicle, can make Motor Vehicle under the constant substantially situation of power, oil consumption and exhaust resistance, noise reduces by 9 decibels, the conversion ratio of harmful components is improved in the tail gas, but this technology one is used inconvenience, and two come the tail gas still can not be satisfactory.
Chinese patent 97112254.7 discloses a kind of motor-vehicle tail-gas purifying device, its main structure is that the gas filtration cover is housed in the tubular metal shell, net retardance is equipped with in front at filter cap, and the interface that connects with the motor engine exhaust gas pipe is housed in the front of net retardance.Filter screen is equipped with in back at filter cap, and is fixed on the shell.This device can make the purification efficiency of motor-vehicle tail-gas improve, but can not be satisfactory.
Chinese patent 00118208.0 discloses the environmental protecting device that a kind of motor-vehicle tail-gas filters, and it is made up of suction tude, outlet pipe, housing and aspirator etc., and water is housed in the housing, discharges after making harmful gas by water filtration.This device can be directly installed on the front of the afterbody or the silencing apparatus of motor vehicle exhaust, also can combine with ternary catalyzing unit, prolongs the working life of catalyst converter, improves catalytic effect and exhaust quality.But the major defect of this device is to need to connect in addition other device, causes using inconvenience, thereby causes it not have practicability substantially.
Chinese patent 00239517.7 discloses a kind of device that comprises a noise reduction purifying tube and a water storage box and water level controller, the two ends of noise reduction purifying tube have a suction tude and outlet pipe respectively, suction tude is provided with two air inlet ram's hornss up and down in the noise reduction purifying tube, the relief opening of outlet pipe is located at top in the noise reduction purifying tube, with pipeline water storage box is communicated with the noise reduction purifying tube, approximately is in the neutrality line position with the water level in the water level controller control noise reduction purifying tube.The suction tude of noise reduction purifying tube can be connected on the outlet pipe of Motor Vehicle during use, thereby make the waste gas of discharge be purified processing.But the structure of this device is too complicated, can not be accepted by market basically.
Chinese patent 200420070834.1 discloses a kind of motor vehicle exhaust with effect of heat insulation, manages and outer tube in the body of this outlet pipe is divided into, and scribbles the reflectance coating of anti-heat radiation in the outer tube inboard, and the space between interior pipe and the outer tube is a vacuum.When the high-temperature tail gas after the outlet pipe discharge burning, tail gas can conduct heat the interior pipe of supply and exhaust pipe, because between interior pipe and the outer tube is vacuum, do not have cross-ventilated transmission of heat between them, and the outer tube inboard scribbles the reflectance coating of anti-heat radiation, but pipe scatters to the radiation heat of outer tube inboard in the usable reflection, thereby makes outlet pipe reach good effect of heat insulation.But this outlet pipe can not improve the purification efficiency of tail gas.
Chinese patent 200420003375.5 discloses a kind of exhaust manifolds that connect on the motor-vehicle tail-gas outlet pipe, the other end of these exhaust manifolds is connected and fixed together with the purifier conduit by the hoop cover, a purifier conduit part is arranged on outside the purifier, another part is arranged in the purifier, purifier is rectangle or tubular shape or oval-shaped cavity body, can tail gas clean-up medium in the cavity body; Metallic element in its selected purifying media solubilized tail gas, tail gas behind the dense medium purifica tion by the pressure of self, filter the back through the activated carbon filtration bar again and discharge, thereby can reduce harm to the mankind and physical environment.Equally, this technology remains the device that needs to connect in addition other, and inconvenience is impracticable.
In fact, the raising of tail gas clean-up efficient is except relevant with employed catalyzer, and is also relevant with the structure of outlet pipe.For example, oxygen participation reduction conversion ratio of each harmful components in the waste gas that in catalytic reaction process, lacks q.s owing to tail gas.Although in the prior art, particularly in some limousines or senior Motor Vehicle, can be undertaken oxygenating by Carburetor or EFI mouth, but what this technology related to is not only outlet pipe, also relate to structures such as engine, be not suitable for transformation, also be not suitable for some simple Motor Vehicle such as motorcycles existing Motor Vehicle, and the air compensation of this technology still dislikes not enough, still has the not good problem of catalytic effect.
Therefore, being necessary to provide a kind of simple in structure, purification silencer of not needing to connect in addition other device fully, this device can provide sufficient supplemental oxygen, and is suitable for comprising the various Motor Vehicle of motorcycle.
Summary of the invention
At the shortcoming of prior art, main purpose of the present invention provides a kind of motor vehicle tail-gas purifying silencer of environmental protection, and this motor vehicle tail-gas purifying silencer is the various harmful matters in the oxidizing fire engine exhaust fully.
To achieve these goals, the invention provides a kind of motor vehicle tail-gas purifying silencer of environmental protection, this motor vehicle tail-gas purifying silencer comprises outlet pipe and the silencing pot that is interconnected, and is provided with first catalytic converter that is loading catalyzer in outlet pipe; This motor vehicle tail-gas purifying silencer also further comprises first making-up air device that is used for tonifying Qi, this first making-up air device before or after first catalytic converter the position and be connected with outlet pipe, preferably, first making-up air device is connected with the outlet pipe that is positioned at before first catalytic converter, promptly is connected with the outlet pipe that is positioned at more near the cylinder place.Motor vehicle tail-gas purifying silencer of the present invention not only has purification function, also has the function that reduces noise: except that silencing pot, first catalytic converter also can play the effect that reduces noise.
Making-up air device one end of the present invention connects outlet pipe, and the other end then directly communicates with atmosphere outside, thus can fully guarantee to mend into amount of oxygen, also simplified the structure of making-up air device greatly.This making-up air device can be air pump such as air pump, and in general, this air pump has power plant such as the battery etc. of self; Perhaps this making-up air device can be an one-way valve of not being with any power plant, this one-way valve can utilize the tail gas variation in pressure that the engine cylinder to-and-fro motion produces and constantly carry out the opening and closing motion, wherein, when this one-way valve opens, suck air from the outside.
Preferably, in motor vehicle tail-gas purifying silencer of the present invention, also be provided with second catalytic converter that is loading catalyzer in its outlet pipe, wherein, first catalytic converter is positioned at the cylinder place near motor car engine, and second catalytic converter is then between the silencing pot and first catalytic converter.
In general, can in first catalytic converter, load resistant to elevated temperatures catalyzer, and in second catalytic converter, load low temperature catalyst.In first catalytic converter and/or the catalyzer that is loaded in second catalytic converter can be three-way catalyst (or claiming three-way catalyst), promptly this catalyzer all has good catalytic activity and life-span to CO, HC, Nox.
When also comprising second catalytic converter in the motor vehicle tail-gas purifying silencer of the present invention, first making-up air device both can be connected with outlet pipe before first catalytic converter, also can be connected with outlet pipe with position between second catalytic converter at first catalytic converter.
More preferably, motor vehicle tail-gas purifying silencer of the present invention also comprises second making-up air device that is used for tonifying Qi, wherein, the position of first making-up air device before first catalytic converter is connected with outlet pipe, and second making-up air device is connected with outlet pipe with position between second catalytic converter at first catalytic converter.Second making-up air device also can air pump or one-way valve.
First making-up air device and second making-up air device can have separately independently air pump or one-way valve respectively, and perhaps first making-up air device has identical air pump or one-way valve with second making-up air device, but have separately independently gas circuit.
More preferably, in motor vehicle tail-gas purifying silencer of the present invention, be provided with the outlet pipe place of second catalytic converter, the internal diameter of its pipeline is greater than the internal diameter of outlet pipe other parts pipeline; And first catalytic converter and/or second catalytic converter preferably have cellular pore passage structure so that the filling three-way catalyst is brought into play its catalysis better, reduce resistance and noise.The shell of silencing apparatus can be double layer construction.
Compared with prior art, motor vehicle tail-gas purifying silencer of the present invention makes outlet pipe and silencing pot still keep integrative-structure, and do not need to connect in addition other device, structure is simple relatively, be convenient to install, both can be used for new Motor Vehicle production, also can be used for the transformation of old automobile, and can be used in the low side Motor Vehicle such as motorcycle.Owing to adopted air pump or one-way valve among the present invention as tonifying Qi (or claiming oxygenating) device, can make the catalyzer correspondence the tonifying Qi scope an of the best, in this scope, catalyzer can play optimum efficiency, thereby in catalytic converter, do not have the materials such as gasoline that burnt fully in the engine exhaust such as oxidizing fire Motor Vehicle such as motorcycle, realized preferable environment protection effect; And catalyzer branch two-stage is laid, and front stage catalyst is mainly used in ignition, and the part that prime does not purify is further purified by back level catalyzer, makes discharge tail gas reach NBS fully.
The present invention is described in further detail below in conjunction with accompanying drawing, but these mode of executions are not to be limitation of the present invention; Any improvement or change on these mode of executions still belongs to spirit of the present invention and its protection domain.
Description of drawings
To be first making-up air device have common air pump or one-way valve with second making-up air device to Fig. 1 but gas circuit is connected different structural representations.
Fig. 2 be first making-up air device and second making-up air device have separately air pump or the structural representation of one-way valve.
Fig. 3 is the structural representation that has only first making-up air device.
Embodiment
See also Fig. 1; a kind of environmental protection motor vehicle tail-gas purifying silencer of present embodiment; it comprises outlet pipe 1 and the silencing pot 2 that is interconnected; outlet pipe 1 is connected with the cylinder 5 of motor car engine; cylinder 5 places near motor car engine in outlet pipe 1 are provided with the catalytic converter 3 that is loading high temperature catalyst; also be provided with the catalytic converter 6 that is loading low temperature catalyst in the outlet pipe between silencing pot 2 and catalytic converter 3; outlet pipe 1 is connected by elbow oxygenating pipe 7 with the position of the making-up air device 4 that is used for tonifying Qi (can be air pump or one-way valve) before catalytic converter 3, is connected by elbow oxygenating pipe 8 with the oxygen pump 4 that is used for tonifying Qi with outlet pipe between the catalytic converter 6 at catalytic converter 3.Catalytic converter 6 is to be formed by the bigger segment pipe of internal diameter in the outlet pipe 1, and catalytic converter 3 and 6 all has the honeycomb pore passage structure.In addition, the shell of environmental protection motor vehicle tail-gas purifying silencer of the present invention is a double layer construction.Wherein, making-up air device 4 comprises first making-up air device and second making-up air device, and these two making-up air devices have common air pump or one-way valve, connects but have different gas circuits.
Influence the purifying effect factor except the quality of catalyzer itself, what of air compensation also play very your writing.A large amount of experiments show, any vehicle to a certain catalyzer all corresponding the tonifying Qi scope an of the best, only in this scope, catalyzer just can play optimum efficiency.Between 4.0%～4.5% the time, then reach its best tonifying Qi scope as WY-125 motorcycle air compensation.Excess air coefficient value (ratio of actual mixing ratio and chemically correct fuel) is one and reflects that directly can catalyzer play the parameter of optimum efficiency.Laboratory data shows excessively decides the gas coefficient at 1.00 ± 0.05 o'clock, and catalyzer reaches optimum efficiency.The present invention has adopted by oxygen pump is set and has come tonifying Qi, can effectively control the tonifying Qi scope to reach best effect.
The waste pipe structure space is limited, if concentrate a place that catalyzer is installed, will increase the resistance of outlet pipe, and the power of motor is descended.Therefore, proposed the thought of " stage purification promotes step by step ", be about to catalyzer branch two-stage and lay, front stage catalyst is mainly used in ignition, and the part that prime does not purify is further purified by back level catalyzer.Primary structure: analyze theoretically, catalyst position can obtain the highest delivery temperature near motor, and the catalytic converter ignition is fast.But experimental results show that under the cold starting idling condition in short-term just ignition, HC, CO, NOx conversion ratio are very high.Therefore, adopt first order device not have the materials such as gasoline that burnt fully in the oxidizing fire motor engine exhaust gas.Secondary structure: under primary structure has been burnt the prerequisite of gasoline fully, utilize the temperature in the motorcycle engine exhaust, can reach the initiation temperature of second catalyst fully, thereby the HC in the exhaust, NOx, CO are catalytically converted into CO fully 2, H 2O and N 2, reach Europe II standard fully.Therefore the catalytic converter that split before and after having adopted of the present invention is to realize above-mentioned secondary structure.
Owing to the raising of delivery temperature, require the material energy high-temperature corrosion resistance of silencing apparatus.Because the honeycomb pore passage structure of catalytic-converter substrate itself also is a kind of noise elimination structure, can reduce high-frequency noise.And noise eliminator of motorcycle is eliminated the noise effective based on resistance structure at medium and low frequency.To rationally adjust the Assembling Production technology of purifying muffler in addition,, guarantee the quality of catalytic converter to avoid of the damage of links such as pickling, plating to catalyzer.Can adopt ways such as the combine and assemble of catalytic converter or double-deck muffler shell, reply plating problem.When being welded catalytic converter, be also noted that the sealing of acoustic wave filter structure, prevent the leakage of exhaust, guarantee catalytic effect.
Consult Fig. 2, structure shown in this figure and working principle and structure and working principle shown in Figure 1 are basic identical, and just first making-up air device and second making-up air device have separately air pump or one-way valve.
Consult Fig. 3, structure shown in this figure and working principle and structure and working principle shown in Figure 1 are basic identical, and just this structure has only first making-up air device, and first making-up air device be positioned at first catalytic converter outlet pipe before and be connected.

Claims (8)

1. the motor vehicle tail-gas purifying silencer of an environmental protection, it comprises outlet pipe and the silencing pot that is interconnected, and is provided with first catalytic converter that is loading catalyzer in described outlet pipe, it is characterized in that,
This motor vehicle tail-gas purifying silencer also comprises first making-up air device that is used for tonifying Qi, and the position of this first making-up air device before or after described first catalytic converter is connected with described outlet pipe; In described outlet pipe, also be provided with second catalytic converter that is loading catalyzer, wherein, described first catalytic converter is positioned at the cylinder place near motor car engine, and described second catalytic converter is then between described silencing pot and described first catalytic converter;
This motor vehicle tail-gas purifying silencer also comprises second making-up air device that is used for tonifying Qi, wherein, the position of described first making-up air device before described first catalytic converter is connected with described outlet pipe, and described second making-up air device is connected with described outlet pipe with position between described second catalytic converter at described first catalytic converter.
2. motor vehicle tail-gas purifying silencer as claimed in claim 1 is characterized in that, the catalyzer of described first catalytic converter filling is a high temperature catalyst, and the catalyzer of filling is a low temperature catalyst in second catalytic converter.
3. motor vehicle tail-gas purifying silencer as claimed in claim 1 is characterized in that, described first making-up air device is connected with described outlet pipe with position between described second catalytic converter at described first catalytic converter.
4. motor vehicle tail-gas purifying silencer as claimed in claim 1 is characterized in that, described first making-up air device and/or described second making-up air device are air pump or one-way valve.
5. motor vehicle tail-gas purifying silencer as claimed in claim 4 is characterized in that, described first making-up air device and described second making-up air device have separately not only respectively independently that gas circuit is connected, also have separately to distinguish independently air pump or one-way valve.
6. motor vehicle tail-gas purifying silencer as claimed in claim 4 is characterized in that, described first making-up air device and described second making-up air device have separately respectively independently that gas circuit is connected, but have common air pump or one-way valve.
7. motor vehicle tail-gas purifying silencer as claimed in claim 1 is characterized in that, in described outlet pipe, the internal diameter of the pipeline of outlet pipe that is provided with described second catalytic converter is greater than the internal diameter of the pipeline of these outlet pipe other parts.
8. motor vehicle tail-gas purifying silencer as claimed in claim 1 is characterized in that, described first catalytic converter and/or described second catalytic converter have cellular pore passage structure, to be used to load three-way catalyst.
CN200510037319A 2005-09-19 2005-09-19 Environment-protective motor vehicle tail-gas purifying silencer Expired - Fee Related CN1936288B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200510037319A CN1936288B (en) 2005-09-19 2005-09-19 Environment-protective motor vehicle tail-gas purifying silencer
PCT/CN2006/002245 WO2007033573A1 (en) 2005-09-19 2006-08-31 Environmental protection exhaust-purifying silencer of vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200510037319A CN1936288B (en) 2005-09-19 2005-09-19 Environment-protective motor vehicle tail-gas purifying silencer

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CN1936288A CN1936288A (en) 2007-03-28
CN1936288B true CN1936288B (en) 2010-05-26

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113847118B (en) * 2021-09-10 2022-10-18 浙江吉利控股集团有限公司 System and method for actively sounding exhaust silencer assembly

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CN86103205A (en) * 1986-05-08 1987-01-14 山西省晋昌工业公司 Silencing and purifying device of automotive vehicle
CN1205390A (en) * 1997-07-15 1999-01-20 冯全志 Motor vehicle tail gas purifying device
CN1276470A (en) * 2000-06-01 2000-12-13 石成山 Exhaust gas filter for motor-driven vehicle
EP1106799A1 (en) * 1998-06-23 2001-06-13 Toyota Jidosha Kabushiki Kaisha Exhaust emission control device of internal combustion engine
EP1270888A1 (en) * 2001-06-29 2003-01-02 Audi Ag Method for reducing unburned exhaust components in the exhaust gas of an internal combustion engine
CN1499051A (en) * 2002-10-29 2004-05-26 本田技研工业株式会社 Exhauster of I.C. engine
JP2004190549A (en) * 2002-12-10 2004-07-08 Mitsubishi Automob Eng Co Ltd Exhaust emission control device of internal combustion engine
EP1464799A1 (en) * 2003-03-31 2004-10-06 Ford Global Technologies, LLC, A subsidary of Ford Motor Company Method for starting an internal combustion engine
US20050028517A1 (en) * 2003-08-08 2005-02-10 Toyota Jidosha Kabushiki Kaisha Device for controlling internal combustion engine

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JPH09133016A (en) * 1995-11-09 1997-05-20 Toyota Motor Corp Exhaust purifying device for internal combustion engine
CN1417458A (en) * 2001-10-31 2003-05-14 董秀斌 Environment friendly motorcycle tail gas purifying silencer
CN2503210Y (en) * 2001-10-31 2002-07-31 董秀斌 Environmental protection tailgas purifying and silencing device for motorcycle
WO2004097190A1 (en) * 2003-05-01 2004-11-11 Yamaha Hatsudoki Kabushiki Kaisha Engine
MY141622A (en) * 2003-06-19 2010-05-31 Yamaha Motor Co Ltd Exhaust system for an engine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86103205A (en) * 1986-05-08 1987-01-14 山西省晋昌工业公司 Silencing and purifying device of automotive vehicle
CN1205390A (en) * 1997-07-15 1999-01-20 冯全志 Motor vehicle tail gas purifying device
EP1106799A1 (en) * 1998-06-23 2001-06-13 Toyota Jidosha Kabushiki Kaisha Exhaust emission control device of internal combustion engine
CN1276470A (en) * 2000-06-01 2000-12-13 石成山 Exhaust gas filter for motor-driven vehicle
EP1270888A1 (en) * 2001-06-29 2003-01-02 Audi Ag Method for reducing unburned exhaust components in the exhaust gas of an internal combustion engine
CN1499051A (en) * 2002-10-29 2004-05-26 本田技研工业株式会社 Exhauster of I.C. engine
JP2004190549A (en) * 2002-12-10 2004-07-08 Mitsubishi Automob Eng Co Ltd Exhaust emission control device of internal combustion engine
EP1464799A1 (en) * 2003-03-31 2004-10-06 Ford Global Technologies, LLC, A subsidary of Ford Motor Company Method for starting an internal combustion engine
US20050028517A1 (en) * 2003-08-08 2005-02-10 Toyota Jidosha Kabushiki Kaisha Device for controlling internal combustion engine

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CN1936288A (en) 2007-03-28

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