CN104246155A - Muffler for automobile - Google Patents
Muffler for automobile Download PDFInfo
- Publication number
- CN104246155A CN104246155A CN201380021105.9A CN201380021105A CN104246155A CN 104246155 A CN104246155 A CN 104246155A CN 201380021105 A CN201380021105 A CN 201380021105A CN 104246155 A CN104246155 A CN 104246155A
- Authority
- CN
- China
- Prior art keywords
- steinheilite
- plate
- motor vehicle
- noise reducer
- penetration hole
- 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
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/037—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of inertial or centrifugal separators, e.g. of cyclone type, optionally combined or associated with agglomerators
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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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/038—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of perforated plates defining expansion chambers associated with condensation and collection chambers, e.g. for adiabatic expansion of gases and subsequent collection of condensed liquids
-
- 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
- F01N2490/00—Structure, disposition or shape of gas-chambers
- F01N2490/08—Two or more expansion chambers in series separated by apertured walls only
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas After Treatment (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The objective of the present invention is to provide an automobile muffler that is capable of removing harmful components such as solid particles without causing clogging or a decrease in the engine output. Multiple sintered cordierite plates (2) provided with multiple through-holes (23) are stacked within a cylindrical casing, with intervals between the plates and with the positions of their respective through-holes (23) shifted with respect to one another, and an exhaust gas passes through the multiple cordierite plates (2) sequentially while producing a turbulent flow. The present invention achieves an excellent effect in that harmful components such as solid particles can be removed without decreasing the performance of the automobile engine.
Description
Technical field
The present invention relates to a kind of noise reducer for motor vehicle removing the harmful components such as original material, granular substance of stench contained in the waste gas of diesel-oil vehicle etc.
Background technique
To remove for the purpose of harmful components, i.e. solid particle and the NOx the gas of combustion of discharging from the vehicle carrying the internal-combustion engines such as diesel engine, and develop various silencing apparatus.
Such as in Japan Patent No. 4571653 publication, describe and use using chippy garnet (pearlite) and inorganic bond as the noise reducer for motor vehicle of the sheet material of raw-material Porous.In addition, as an example of this noise reducer for motor vehicle, following example is described in this Japan Patent No. 4571653 publication, namely, sheet material is originally as Porous, and in this sheet material, be formed with multiple penetration hole, interval be set in the inside of cylindrical shell and configure the sheet material that polylith is formed with this penetration hole.
On the other hand, in Japanese Unexamined Patent Publication 2009-256198 publication, describe the catalyst carrier as noise reducer for motor vehicle and use the manufacture method of steinheilite formed body.This formed body is have the honeycomb structured body of multiple rooms being arranged to cellular locular wall, marking off in this locular wall.
Described in above-mentioned Japan Patent No. 4571653 publication is that the sheet material of raw-material Porous plays good performance bringing into use the initial stage of silencing apparatus with garnet and inorganic bond.But the inside due to sheet material becomes small emptying aperture continuous print space, therefore stockpiles solid particle therein along with lasting use, exists and cause Exhaust System Blocking as reason, and the problem that engine performance is reduced.
In addition, honeycomb structured body described in Japanese Unexamined Patent Publication 2009-256198 publication requires according to light, low pressure loss etc. and makes locular wall thin-walled property, but the problem that the intensity that there is honeycomb structured body like this reduces.
Summary of the invention
The object of the invention is to realize a kind of noise reducer for motor vehicle can removing the harmful components such as solid particle when not causing the output of blocking or motor to reduce.
The present invention is a kind of noise reducer for motor vehicle, it is characterized in that, in columnar housing, be arranged with in parallel to each other in the mode being provided with gap and there is multiple penetration hole and burn till as discoid polylith steinheilite plate, make gas of combustion successively by these steinheilite plates.
Can adopt following structure, that is, described steinheilite plate of the present invention has the outstanding end difference of through-thickness at periphery and inner side, and each steinheilite plate is formed with gap each other by utilizing this end difference to contact each other at steinheilite plate.
In addition, in the present invention, can in the following way, that is, described polylith steinheilite plate is overlapping in the mode making their penetration hole and stagger in a circumferential direction, to make the described penetration hole of adjacent steinheilite plate not opposed each other.
In addition, the present invention can adopt following structure, that is, at least one party leaning on upstream side and downstream side than described polylith steinheilite plate, be configured with the perforated panel being coated with catalyzer.
Therefore, according to the present invention, play the excellent effect can removing the harmful components such as solid particle when not reducing the engine performance of Motor Vehicle.
Accompanying drawing explanation
Fig. 1 is the plan view of the noise reducer for motor vehicle representing embodiment with cut-away section.
Fig. 2 is the stereogram of the steinheilite plate representing embodiment with cut-away section.
Fig. 3 is the explanatory drawing be described the PM suction-operated of steinheilite plate of the present invention.
Embodiment
Below, by accompanying drawing, the preferred embodiments of the present invention are described.Fig. 1 is a plan view part for noise reducer for motor vehicle involved in the present invention being cut off and obtain.Waste gas from motor enters in silencing apparatus from the left side of figure.Silencing apparatus is formed by head 11, intermediate portion 12, rear portion 13, and the intermediate portion 12 as main body is cylindrical, and in this columnar intermediate portion 12, overlap is inserted with polylith steinheilite plate 2.That is, each steinheilite plate 2 arranges in parallel to each other.Further, the perforated panel 3 of surface application catalyzer is configured with in the downstream side of the steinheilite plate 2 of intermediate portion 12.
Steinheilite (cordierite) is for using 2MgO2Al
2o
35SiO
2the pottery represented, about thermal expansion coefficient is low to moderate the half of general chinaware, resistance to sudden heating is excellent, and mechanical strength is also high.Described in Japanese Unexamined Patent Publication 2009-256198 publication as the aforementioned be shaped as honeycomb structured body like that and as catalyzer carrier and use, but in the present invention, utilize the great situation of the surface area of steinheilite particle, it can be used as the adsorbent of solid particle (PM) and filter and use.
Fig. 2 is the stereogram of the example representing steinheilite plate 2.Steinheilite plate 2, for adding the silica as tackiness agent and burn till discoid and component that is that formed in the steinheilite particle of main material, is formed with the outstanding end difference 21,22 of through-thickness at periphery and central authorities.In addition, discoid part is provided with multiple penetration hole 23.Periphery is arranged to the end difference 21,22 of central authorities, when this steinheilite plate 2 overlapping, produces the gap corresponding with ladder difference each other at steinheilite plate 2.
Although steinheilite sintered body is porous plastid, but using it, directly as filter, use can cause the back pressure acting on motor to increase output reduction, therefore steinheilite plate 2 of the present invention is provided with the penetration hole 23 of multiple suitable size in order to waste gas can pass through, and does not damage engine efficiency thus.
Fig. 3 is the explanatory drawing be described the PM suction-operated of steinheilite plate 2 of the present invention.Stacked polylith steinheilite plate 2a, 2b, 2c produce gap (spaced apart) by the end difference 21,22 of described periphery and central part, penetration hole 23 is overlapping in the mode of staggered positions in a circumferential direction in addition, with make adjacent steinheilite plate 2 each other in mutually not opposed.By the waste gas of the penetration hole 23 of steinheilite plate 2a due to the position of the penetration hole of ensuing steinheilite plate 2b stagger and temporarily and integrated disc portions collide, by ensuing steinheilite plate 2b after becoming turbulent flow.At internal loss this period kinetic energy, solid particle stall contained in exhaust and be adsorbed in steinheilite particle or fall and at building up inside, thus the amount of PM in being at every turn vented by steinheilite plate 2 all can be reduced.
The waste gas that have passed steinheilite plate 2 is also removed NOx by coated catalyzer on the surface that is arranged at the perforated panel 3 in downstream and is discharged from the rear portion 13 of silencing apparatus.Perforated panel 3 can be arranged at the upstream side of steinheilite plate 2, in addition also can overlapping configuration in the front-back of steinheilite plate 2.
Further, it is also effective that the position passed through at the high-temperature gas of silencing apparatus inside arranges wire netting.
If enumerate size example, then the diameter of steinheilite plate 2 is 200mm or 300mm, and the thickness of peripheral portion is 30mm, and ladder difference is 10mm, and the diameter of penetration hole 23 is 13mm.
With regard to silencing apparatus generally speaking, being used for carrying capacity in hypothesis is in the small-sized silencing apparatus in the truck of 2 tons, and the length of intermediate portion 12 is 370mm, and diameter is 200mm, and steinheilite plate 2 is 6 pieces.In addition, being used for carrying capacity in hypothesis is in the medium-sized silencing apparatus in the truck of 4 tons, and the length of intermediate portion 12 is 540mm, and diameter is 240mm, and steinheilite plate 2 is similarly 6 pieces.Be in the large-scale silencing apparatus of the truck of 10 tons at carrying capacity, the length of intermediate portion 12 is 830mm, and diameter is 300mm, and steinheilite plate 2 is 8 pieces.
It should be noted that, being accumulated in inner PM to remove at any time, also pressure air mouth blown can being set at the top at the head 11 of silencing apparatus and rear portion 13, PM exhaust port is set in bottom.
The lasting use demonstration test of a year has been carried out to silencing apparatus involved in the present invention.The discharge capacity of PM is 0.386g/kWh, reaches the specified value " below 0.490g/kWh " of the PM discharge capacity of the Transport Ministry defined of Japan.Above-mentioned perforated panel is configured at simultaneously upstream side and downstream side as a result, the discharge capacity of NOx is suppressed in 5.54g/kWh, this also reaches the specified value " below 5.90g/kWh " of the NOx discharge capacity of the Transport Ministry defined of Japan.
In addition in the traveling test of real vehicle (carrying capacity is the diesel-oil vehicle of 4 tons), oil consumption rate when loading table top is unkitted goods is 10.1km/ liter in expressway, it is 10.3km/ liter in Ordinary Rd, oil consumption rate when travelling in expressway under the state being mounted with 4.4 tons of goods is 7.70km/ liter, and oil consumption rate when travelling in Ordinary Rd is 8.47km/ liter.Tested by this traveling, the pressure loss demonstrating silencing apparatus involved in the present invention is little, does not damage engine performance.
Claims (4)
1. a noise reducer for motor vehicle, is characterized in that,
Described noise reducer for motor vehicle is configured to, and in columnar housing, is arranged with in parallel to each other and has multiple penetration hole and burn till as discoideus polylith steinheilite plate, make gas of combustion successively by these steinheilite plates in the mode being provided with gap.
2. noise reducer for motor vehicle according to claim 1, is characterized in that,
Described steinheilite plate has the outstanding end difference of through-thickness at periphery and inner side, and each steinheilite plate is formed with gap each other by utilizing this end difference to contact each other at steinheilite plate.
3. noise reducer for motor vehicle according to claim 1 and 2, is characterized in that,
Described polylith steinheilite plate is overlapping in the mode making their penetration hole and stagger in a circumferential direction, to make the described penetration hole of adjacent steinheilite plate not opposed each other.
4. noise reducer for motor vehicle according to any one of claim 1 to 3, is characterized in that,
Depending at least one party in upstream side and downstream side than described polylith steinheilite plate, be configured with the perforated panel being coated with catalyzer.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-097338 | 2012-04-23 | ||
| JP2012097338A JP5968038B2 (en) | 2012-04-23 | 2012-04-23 | Car muffler |
| PCT/JP2013/061189 WO2013161609A1 (en) | 2012-04-23 | 2013-04-15 | Muffler for automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104246155A true CN104246155A (en) | 2014-12-24 |
| CN104246155B CN104246155B (en) | 2017-06-30 |
Family
ID=49482933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380021105.9A Expired - Fee Related CN104246155B (en) | 2012-04-23 | 2013-04-15 | Noise reducer for motor vehicle |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5968038B2 (en) |
| CN (1) | CN104246155B (en) |
| HK (1) | HK1200515A1 (en) |
| WO (1) | WO2013161609A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916278A (en) * | 2015-06-01 | 2015-09-16 | 广东肇庆派瑞净化设备有限公司 | Silencer used for adsorption type drier |
| CN105649717A (en) * | 2016-01-25 | 2016-06-08 | 山西振华创新科技有限公司 | Automobile exhaust purifier |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88201252U (en) * | 1988-02-09 | 1988-08-17 | 李波 | Silencing & purifing exhaust pipe for automobile |
| JPH0610649A (en) * | 1992-06-26 | 1994-01-18 | Mitsui Toatsu Chem Inc | Filter for exhaust gas emission control |
| JPH09125944A (en) * | 1995-11-08 | 1997-05-13 | Toyota Motor Corp | Method and device for controlling emission of diesel engine |
| JP2003214136A (en) * | 2002-01-25 | 2003-07-30 | Hino Motors Ltd | Exhaust emission control device |
| CN1859962A (en) * | 2003-09-29 | 2006-11-08 | 日立金属株式会社 | Ceramic honeycomb filter and production method therefor, and sealing material for ceramic honeycomb filter |
| JP2007209974A (en) * | 2006-01-13 | 2007-08-23 | Sanwa Seisakusho:Kk | Gas cleaning device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0783810B2 (en) * | 1987-12-01 | 1995-09-13 | 旭硝子株式会社 | Filter element, filter body, and filter device |
| IT1251547B (en) * | 1991-09-04 | 1995-05-17 | Gavoni Bgm Silenziatori Sas | Silencer combined with catalytic converter for internal combustion engine |
| JPH0586835A (en) * | 1991-09-27 | 1993-04-06 | Ibiden Co Ltd | Exhaust emission control device |
| JPH11303623A (en) * | 1998-04-20 | 1999-11-02 | Suzuki Motor Corp | Exhaust emission control device |
| JP4340211B2 (en) * | 2004-10-04 | 2009-10-07 | 日本碍子株式会社 | Diesel particulate filter |
| CN101575204B (en) * | 2008-03-21 | 2013-03-20 | 株式会社电装 | Formed article of cordierite and method for manufacturing the formed article |
-
2012
- 2012-04-23 JP JP2012097338A patent/JP5968038B2/en not_active Expired - Fee Related
-
2013
- 2013-04-15 WO PCT/JP2013/061189 patent/WO2013161609A1/en active Application Filing
- 2013-04-15 CN CN201380021105.9A patent/CN104246155B/en not_active Expired - Fee Related
-
2015
- 2015-01-23 HK HK15100763.8A patent/HK1200515A1/en not_active IP Right Cessation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88201252U (en) * | 1988-02-09 | 1988-08-17 | 李波 | Silencing & purifing exhaust pipe for automobile |
| JPH0610649A (en) * | 1992-06-26 | 1994-01-18 | Mitsui Toatsu Chem Inc | Filter for exhaust gas emission control |
| JPH09125944A (en) * | 1995-11-08 | 1997-05-13 | Toyota Motor Corp | Method and device for controlling emission of diesel engine |
| JP2003214136A (en) * | 2002-01-25 | 2003-07-30 | Hino Motors Ltd | Exhaust emission control device |
| CN1859962A (en) * | 2003-09-29 | 2006-11-08 | 日立金属株式会社 | Ceramic honeycomb filter and production method therefor, and sealing material for ceramic honeycomb filter |
| JP2007209974A (en) * | 2006-01-13 | 2007-08-23 | Sanwa Seisakusho:Kk | Gas cleaning device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916278A (en) * | 2015-06-01 | 2015-09-16 | 广东肇庆派瑞净化设备有限公司 | Silencer used for adsorption type drier |
| CN104916278B (en) * | 2015-06-01 | 2018-12-21 | 珠海华信净化设备有限公司 | A kind of silencer for absorption type dryer |
| CN105649717A (en) * | 2016-01-25 | 2016-06-08 | 山西振华创新科技有限公司 | Automobile exhaust purifier |
| CN105649717B (en) * | 2016-01-25 | 2019-02-12 | 山西振华创新科技有限公司 | Automobile exhaust purifier |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013224624A (en) | 2013-10-31 |
| WO2013161609A1 (en) | 2013-10-31 |
| HK1200515A1 (en) | 2015-08-07 |
| JP5968038B2 (en) | 2016-08-10 |
| CN104246155B (en) | 2017-06-30 |
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