CN207437169U - A kind of efficient ternary catalyzing unit - Google Patents
A kind of efficient ternary catalyzing unit Download PDFInfo
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- CN207437169U CN207437169U CN201721522636.8U CN201721522636U CN207437169U CN 207437169 U CN207437169 U CN 207437169U CN 201721522636 U CN201721522636 U CN 201721522636U CN 207437169 U CN207437169 U CN 207437169U
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- ceramic monolith
- interlayer
- inner sleeve
- housing
- ternary catalyzing
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model discloses a kind of efficient ternary catalyzing units, and including ceramic monolith, bushing, buffer layer, interlayer inner sleeve, thermal insulating layer and interlayer housing, catalyst is scribbled on ceramic monolith；The outer surface that is wrapped circumferentially around ceramic monolith of the bushing along ceramic monolith, the outer surface that is wrapped circumferentially around bushing of the buffer layer along ceramic monolith, the outer surface that is wrapped circumferentially around buffer layer of the interlayer inner sleeve along ceramic monolith, the outer surface that is wrapped circumferentially around interlayer inner sleeve of the thermal insulating layer along ceramic monolith, the outer surface that is wrapped circumferentially around thermal insulating layer of the interlayer housing along ceramic monolith.The advantages of the utility model and advantageous effect are：Harmful substance in exhaust gas is converted, form it into innocuous substance and is emitted into the external world, reduces pollution level of the exhaust gas to environment；It avoids ceramic monolith and bushing to damage or shift because contacting or colliding with interlayer inner sleeve, while energy-absorbing damping also is carried out to extraneous vibration, protect the safety of ceramic monolith, improve service life.
Description
Technical field
The utility model is related to automotive field, more particularly to a kind of efficient ternary catalyzing unit.
Background technology
Ternary catalyzing unit refers to the pernicious gases such as CO, HC and NOx of vehicle exhaust discharge passing through oxidation and reduction
It is changed into the catalytic unit of harmless carbon dioxide, water and nitrogen；The normal working temperature of usual ternary catalyzing unit generally exists
400-800 DEG C, however exhaust gas can generate substantial amounts of heat to ternary catalyzing unit, heat holds the interior temperature of ternary catalyzing unit
Height of continuing rising so that ternary catalyzing unit can not work normally；Automobile is when by bumpy road simultaneously, existing ternary catalyzing unit meeting
It generates and rocks with the strenuous vibration of automobile, in turn result in the situation of the ceramic monolith damage or displacement of ternary catalyzing unit, drop
The low service life of ternary catalyzing unit.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of efficient ternary catalyzing unit.The technical program utilizes ceramics
Supported catalyst converts the harmful substance in exhaust gas, forms it into the innocuous substances such as water, carbon dioxide and nitrogen
And the external world is emitted into, reduce pollution level of the exhaust gas to environment；Interlayer inner sleeve is used to that ceramic monolith to be wrapped up and fixed,
Ceramic monolith is avoided to be contacted with the external world；Bushing is made to improve ceramic monolith and interlayer between ceramic monolith and interlayer inner sleeve
Leakproofness between inner sleeve improves the efficiency and effect of exhaust-gas treatment；Buffer layer is made to be located at bushing and between interlayer inner sleeve,
It avoids ceramic monolith and bushing to damage or shift because contacting or colliding with interlayer inner sleeve, while also has and shake to the external world
The dynamic effect for carrying out energy-absorbing damping protects the safety of ceramic monolith；Because catalyst operating temperature 400 DEG C -800 DEG C it
Between, therefore by setting thermal insulating layer, the loss of the heat inside efficient ternary catalyzing unit is avoided, to ensure that ceramic monolith can
Continue to work at high operating temperatures, and then ensure the catalytic efficiency of efficient ternary catalyzing unit；
By sandwich establishment housing to ensure the package shape of ceramic monolith, bushing, buffer layer, interlayer inner sleeve, thermal insulating layer
Shape and ceramic monolith, bushing, buffer layer, interlayer inner sleeve, thermal insulating layer is avoided to be damaged be subject to external object, and then improved
The service life of efficient ternary catalyzing unit.
A kind of efficient ternary catalyzing unit in the utility model, including ceramic monolith, bushing, buffer layer, interlayer inner sleeve, absolutely
Hot interlayer and interlayer housing scribble catalyst on the ceramic monolith；The bushing is wrapped circumferentially around institute along the ceramic monolith
State the outer surface of ceramic monolith, the outer surface that is wrapped circumferentially around the bushing of the buffer layer along the ceramic monolith, institute
State the outer surface that is wrapped circumferentially around the buffer layer of the interlayer inner sleeve along the ceramic monolith, the thermal insulating layer is along the ceramics
The outer surface for being wrapped circumferentially around the interlayer inner sleeve of carrier, the interlayer housing are described along being wrapped circumferentially around for the ceramic monolith
The outer surface of thermal insulating layer；One end of the interlayer inner sleeve is interior suction nozzle, and the interior suction nozzle stretches out the ceramic monolith,
The other end of the interlayer inner sleeve is interior exhaust nozzle, and the interior exhaust nozzle stretches out the ceramic monolith；The interior suction nozzle and hair
Motivation connects and receives the exhaust gas of the engine discharge, and the ceramic monolith is converted into the harmful substance in the exhaust gas harmless
After substance, it is discharged outside to by the interior exhaust nozzle.
In said program, the interlayer housing is mutually matched with the interlayer inner sleeve, and one end of the interlayer housing is outer
Suction nozzle, the external admission mouth stretch out the ceramic monolith, and the other end of the interlayer housing is outer exhaust nozzle, the outer exhaust
Mouth stretches out the ceramic monolith；The external admission mouth is located at the outside of the interior suction nozzle, and is connected with the interior suction nozzle.
In said program, the interlayer inner sleeve is tubular structure, and the interlayer inner sleeve is divided into inner sleeve under on the radial
Inner sleeve, the upper inner sleeve is towards having upper outer in a side profile of the lower inner sleeve, and the lower inner sleeve is towards the upper inner sleeve
There is lower outer, the upper outer and lower outer contact with each other or connect on the profile of one side.
In said program, the interlayer housing is tubular structure, and the interlayer housing is divided into housing under on the radial
Housing, the upper housing is towards having upper snap-gauge in a side profile of the lower housing, and the lower housing is towards the upper housing
There is the lower snap-gauge of L-type structure, the upper snap-gauge and lower snap-gauge are respectively L-type structure on the profile of one side；The upper snap-gauge and
Lower snap-gauge is symmetrical and is connected with each other；
The upper outer and lower outer are located in the space that the upper snap-gauge and lower snap-gauge are surrounded, and by the upper snap-gauge
It squeezes and fixes with lower snap-gauge, the interlayer housing is made to be connected as one with the interlayer inner sleeve.
In said program, shell is further included, the shell is engraved structure；Circumferential direction of the shell along the ceramic monolith
Wrap up the outer surface of the interlayer housing.
In said program, the shell is made of stainless steel.
In said program, the ceramic monolith has the honeycomb hole for connecting the ceramic monolith axial direction both ends, the honeycomb
Catalyst is scribbled on the side wall in hole, and catalyst layer is formed on the side wall of the honeycomb hole.
In said program, the catalyst is platinum catalyst, rhodium catalyst or palladium catalyst；The ceramic monolith is by metal
Ceramics are made.
In said program, temperature control device is further included, the temperature control device includes temperature sensor and controller, the temperature
Sensor is fixed on outside the interlayer and puts on, one end of the temperature sensor sequentially pass through bushing, buffer layer, interlayer inner sleeve,
Thermal insulating layer and interlayer housing, contact with the ceramic monolith；The other end of the temperature sensor is connected with the controller.
In said program, further include temperature control device, the temperature control device includes intake valve, air pump and controller, it is described into
The gas outlet of air valve sequentially passes through bushing, buffer layer, interlayer inner sleeve, thermal insulating layer and interlayer housing, and is exported to the ceramic monolith
Pressed gas；The air inlet of the intake valve is connected with the air pump, and the intake valve and air pump are connected respectively with the controller.
The advantages of the utility model and advantageous effect are：The utility model provides a kind of efficient ternary catalyzing unit, to useless
Harmful substance in gas is converted, and is formed it into the innocuous substances such as water, carbon dioxide and nitrogen and is emitted into the external world, reduces
Exhaust gas is to the pollution level of environment；The leakproofness between ceramic monolith and interlayer inner sleeve is improved, improves the efficiency of exhaust-gas treatment
And effect, it avoids ceramic monolith and bushing and damages or shift because contacting or colliding with interlayer inner sleeve, while also to the external world
Vibration carries out energy-absorbing damping, protects the safety of ceramic monolith；The loss of the heat inside efficient ternary catalyzing unit is avoided, to protect
Card ceramic monolith can continue to work at high operating temperatures, and then ensure the catalytic efficiency of efficient ternary catalyzing unit；It ensure that height
The description of parcels of ternary catalyzing unit is imitated, efficient ternary catalyzing unit is avoided and is damaged be subject to external object, improve service life.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of structure diagram of efficient ternary catalyzing unit of the utility model.
In figure：1st, ceramic monolith 2, bushing 3, buffer layer 4, interlayer inner sleeve
5th, thermal insulating layer 6, interlayer housing 7, shell 8, temperature control device
11st, honeycomb hole 12, catalyst layer 41, interior suction nozzle 42, interior exhaust nozzle
43rd, upper inner sleeve 44, lower inner sleeve 45, upper outer 46, lower outer
61st, external admission mouth 62, outer exhaust nozzle 63, upper housing 64, lower housing
65th, upper snap-gauge 66, lower snap-gauge 81, temperature sensor
82nd, controller 83, intake valve 84, air pump
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and the protection model of the utility model cannot be limited with this
It encloses.
As shown in Figure 1, the utility model is a kind of efficient ternary catalyzing unit, including ceramic monolith 1, bushing 2, buffer layer 3,
Interlayer inner sleeve 4, thermal insulating layer 5 and interlayer housing 6 scribble catalyst on the ceramic monolith 1；Week of the bushing 2 along ceramic monolith 1
To the outer surface of package ceramic monolith 1, the outer surface that is wrapped circumferentially around bushing 2 of the buffer layer 3 along ceramic monolith 1, in interlayer
The outer surface that is wrapped circumferentially around buffer layer 3 of the set 4 along ceramic monolith 1, thermal insulating layer 5 are wrapped circumferentially around interlayer along ceramic monolith 1
The outer surface of inner sleeve 4, the outer surface that is wrapped circumferentially around thermal insulating layer 5 of the interlayer housing 6 along ceramic monolith 1；Interlayer inner sleeve 4
One end is interior suction nozzle 41, and interior suction nozzle 41 stretches out ceramic monolith 1, and the other end of interlayer inner sleeve 4 is interior exhaust nozzle 42, interior exhaust
Mouth 42 stretches out ceramic monolith 1；Interior suction nozzle 41 is connected with engine and receives the exhaust gas of engine discharge, and ceramic monolith 1 is to this
After harmful substance in exhaust gas is converted into innocuous substance, it is discharged outside to by interior exhaust nozzle 42.
The operation principle of above-mentioned technical proposal is：The exhaust gas that engine is discharged includes carbon monoxide, nitrogen oxides etc.
Harmful substance converts the harmful substance in exhaust gas using the catalyst on ceramic monolith 1, forms it into water, titanium dioxide
The innocuous substances such as carbon and nitrogen are simultaneously emitted into the external world, reduce pollution level of the exhaust gas to environment；
Interlayer inner sleeve 4 avoids ceramic monolith 1 from being contacted with the external world for ceramic monolith 1 to be wrapped up and fixed；Make bushing
2 between ceramic monolith 1 and interlayer inner sleeve 4, improves the leakproofness between ceramic monolith 1 and interlayer inner sleeve 4, improves useless
The efficiency and effect of gas disposal；
Buffer layer 3 is made to be located at bushing 2 and between interlayer inner sleeve 4, avoids ceramic monolith 1 and bushing 2 and interlayer inner sleeve 4
It damages or shifts because contacting or colliding, while also there is the effect that energy-absorbing damping is carried out to extraneous vibration, protect pottery
The safety of ceramic carrier 1；
Because the operating temperature of catalyst is between 400 DEG C -800 DEG C, therefore by setting thermal insulating layer 5, efficient three are avoided
The loss of heat inside first catalyst converter to ensure that ceramic monolith 1 can continue to work at high operating temperatures, and then ensures efficient
The catalytic efficiency of ternary catalyzing unit；
By sandwich establishment housing 6 to ensure ceramic monolith 1, bushing 2, buffer layer 3, interlayer inner sleeve 4, thermal insulating layer 5
Description of parcels and ceramic monolith 1, bushing 2, buffer layer 3, interlayer inner sleeve 4, thermal insulating layer 5 is avoided to be damaged be subject to external object
It is bad, and then improve the service life of efficient ternary catalyzing unit.
Specifically, interlayer housing 6 is mutually matched with interlayer inner sleeve 4, one end of interlayer housing 6 is external admission mouth 61, outside into
Gas nozzle 61 stretches out ceramic monolith 1, and the other end of interlayer housing 6 is outer exhaust nozzle 62, and outer exhaust nozzle 62 stretches out ceramic monolith 1；Outside
Suction nozzle 61 is located at the outside of interior suction nozzle 41, and is connected with interior suction nozzle 41.
Further, interlayer inner sleeve 4 is tubular structure, and interlayer inner sleeve 4 is divided into inner sleeve 43 and lower inner sleeve 44 on the radial,
Upper inner sleeve 43 is towards having upper outer 45 in a side profile of lower inner sleeve 44, and lower inner sleeve 44 is towards on the profile of upper 43 one side of inner sleeve
With lower outer 46, upper outer 45 and lower outer 46 contact with each other or connect.
Further, interlayer housing 6 is tubular structure, and interlayer housing 6 is divided into housing 63 and lower housing 64 on the radial,
Upper housing 63 is towards having upper snap-gauge 65 in a side profile of lower housing 64, and lower housing 64 is towards on the profile of upper 63 one side of housing
Lower snap-gauge 66 with L-type structure, upper snap-gauge 65 and lower snap-gauge 66 are respectively L-type structure；Upper snap-gauge 65 and lower snap-gauge 66 are mutual
Symmetrically and it is connected with each other；
Upper outer 45 and lower outer 46 are located in the space that upper snap-gauge 65 and lower snap-gauge 66 are surrounded, and by upper 65 He of snap-gauge
Lower snap-gauge 66, which squeezes, to be fixed, and interlayer housing 6 is made to be connected as one with interlayer inner sleeve 4；
Fixed upper outer 45 and lower outer 46 are squeezed by using upper snap-gauge 65 and lower snap-gauge 66, makes interlayer housing 6 and folder
Layer inner sleeve 4 is connected as one, simple in structure, easy disassembly.
Preferably, shell 7 is further included, shell 7 is engraved structure；Shell 7 is wrapped circumferentially around interlayer housing along ceramic monolith 1
6 outer surface；By using shell 7 interlayer housing 6 is protected not destroyed by external object, ensure that efficient ternary catalyzing unit
Safety；By the way that shell 7 is arranged to engraved structure, the overall weight of efficient ternary catalyzing unit is alleviated.
Further, shell 7 is made of stainless steel；While the intensity of shell 7 is ensured, further alleviate efficiently
The overall weight of ternary catalyzing unit.
Specifically, ceramic monolith 1 has a honeycomb hole 11 at the axial both ends of connection ceramic monolith 1, on the side wall of honeycomb hole 11
Catalyst is scribbled, and catalyst layer 12 is formed on the side wall of honeycomb hole 11；By setting honeycomb hole 11 on ceramic monolith 1,
The fluency that exhaust gas flows in ceramic monolith 1 is improved, reduces the resistance of exhaust gas flowing, and then improves the effect of engine
Energy.
Further, catalyst is platinum catalyst, rhodium catalyst or palladium catalyst；Ceramic monolith 1 is made of cermet.
Preferably, temperature control device 8 is further included, temperature control device 8 includes temperature sensor 81 and controller 82, temperature sensor
81 are fixed on interlayer housing 6, and one end of temperature sensor 81 sequentially passes through bushing 2, buffer layer 3, interlayer inner sleeve 4, adiabatic folder
Layer 5 and interlayer housing 6, contact with ceramic monolith 1；The other end of temperature sensor 81 is connected with controller 82.
Preferably, temperature control device 8 is further included, temperature control device 8 includes intake valve 83, air pump 84 and controller 82, intake valve
83 outlet nozzle sequentially passes through bushing 2, buffer layer 3, interlayer inner sleeve 4, thermal insulating layer 5 and interlayer housing 6, and to ceramic monolith 1
Output pressure gas；The suction nozzle of intake valve 83 is connected with air pump 84, and intake valve 83 and air pump 84 are connected respectively with controller 82.
Optionally, intake valve 83 is fixed on interlayer housing 6.
Wherein, it is provided with normal temperature in controller 82；Controller 82 senses ceramic monolith 1 by temperature sensor 81
Temperature, if the temperature of ceramic monolith 1 is less than normal temperature, controller 82 controls intake valve 83 and air pump 84 to close, and exhaust gas will be logical
It crosses interior suction nozzle 41 to enter in the honeycomb hole 11 of ceramic monolith 1, exhaust gas is catalyzed by the catalyst layer 12 of honeycomb hole 11, is made
The harmful substances such as carbon monoxide, nitrogen oxides in exhaust gas are converted into the innocuous substances such as water, carbon dioxide and nitrogen and pass through interior
Exhaust nozzle 42 is emitted into the external world；
If the temperature of ceramic monolith 1 is higher than normal temperature, controller 82 controls air pump 84 and intake valve 83 to open, air pump 84
By intake valve 83 to 1 output pressure gas of ceramic monolith, the temperature of ceramic monolith 1 is made to be reduced to below normal temperature to ensure
Catalyst can be catalyzed exhaust gas under the conditions of normal working temperature, and then improve the work effect of efficient ternary catalyzing unit
Rate.
Optionally, normal temperature may be configured as any temperature value between 700 DEG C -800 DEG C.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modifications, equivalent replacements and improvements are made should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of efficient ternary catalyzing unit, which is characterized in that including ceramic monolith, bushing, buffer layer, interlayer inner sleeve, adiabatic folder
Layer and interlayer housing scribble catalyst on the ceramic monolith；The bushing is wrapped circumferentially around the pottery along the ceramic monolith
The outer surface of ceramic carrier, the outer surface that is wrapped circumferentially around the bushing of the buffer layer along the ceramic monolith, the folder
The outer surface that is wrapped circumferentially around the buffer layer of the layer inner sleeve along the ceramic monolith, the thermal insulating layer is along the ceramic monolith
The outer surface for being wrapped circumferentially around the interlayer inner sleeve, the interlayer housing is wrapped circumferentially around the thermal insulation along the ceramic monolith
The outer surface of interlayer；One end of the interlayer inner sleeve is interior suction nozzle, and the interior suction nozzle stretches out the ceramic monolith, described
The other end of interlayer inner sleeve is interior exhaust nozzle, and the interior exhaust nozzle stretches out the ceramic monolith；The interior suction nozzle and engine
It connects and receives the exhaust gas of the engine discharge, the ceramic monolith is converted into innocuous substance to the harmful substance in the exhaust gas
Afterwards, it is discharged outside to by the interior exhaust nozzle.
2. a kind of efficient ternary catalyzing unit according to claim 1, which is characterized in that the interlayer housing and the interlayer
Inner sleeve is mutually matched, and one end of the interlayer housing is external admission mouth, and the external admission mouth stretches out the ceramic monolith, the folder
The other end of layer housing is outer exhaust nozzle, and the outer exhaust nozzle stretches out the ceramic monolith；The external admission mouth is located in described
The outside of suction nozzle, and be connected with the interior suction nozzle.
3. a kind of efficient ternary catalyzing unit according to claim 2, which is characterized in that the interlayer inner sleeve is tubular knot
Structure, the interlayer inner sleeve are divided into inner sleeve and lower inner sleeve on the radial, and the upper inner sleeve is towards a side profile of the lower inner sleeve
Upper have a upper outer, and the lower inner sleeve is towards having lower outer on the profile of the upper inner sleeve one side, the upper outer and lower outer
Edge contacts with each other or connects.
4. a kind of efficient ternary catalyzing unit according to claim 3, which is characterized in that the interlayer housing is tubular knot
Structure, the interlayer housing are divided into housing and lower housing on the radial, and the upper housing is towards a side profile of the lower housing
Upper have a upper snap-gauge, and the lower housing is towards the lower snap-gauge on the profile of the upper housing one side with L-type structure, the upper card
Plate and lower snap-gauge are respectively L-type structure；The upper snap-gauge and lower snap-gauge symmetrically and are connected with each other；
The upper outer and lower outer are located in the space that the upper snap-gauge and lower snap-gauge are surrounded, and by the upper snap-gauge under
Snap-gauge, which squeezes, to be fixed, and the interlayer housing is made to be connected as one with the interlayer inner sleeve.
5. a kind of efficient ternary catalyzing unit according to claim 1, which is characterized in that further include shell, the shell is
Engraved structure；The outer surface that is wrapped circumferentially around the interlayer housing of the shell along the ceramic monolith.
6. a kind of efficient ternary catalyzing unit according to claim 5, which is characterized in that the shell is made of stainless steel.
7. a kind of efficient ternary catalyzing unit according to claim 1, which is characterized in that the ceramic monolith has connection institute
The honeycomb hole at ceramic monolith axial direction both ends is stated, catalyst is scribbled on the side wall of the honeycomb hole, and in the side wall of the honeycomb hole
Upper formation catalyst layer.
8. a kind of efficient ternary catalyzing unit according to claim 7, which is characterized in that the catalyst for platinum catalyst,
Rhodium catalyst or palladium catalyst；The ceramic monolith is made of cermet.
9. a kind of efficient ternary catalyzing unit according to claim 1, which is characterized in that further include temperature control device, the temperature
Controlling device includes temperature sensor and controller, and the temperature sensor is fixed on outside the interlayer and puts on, the temperature sensing
One end of device sequentially passes through bushing, buffer layer, interlayer inner sleeve, thermal insulating layer and interlayer housing, is contacted with the ceramic monolith；Institute
The other end for stating temperature sensor is connected with the controller.
10. a kind of efficient ternary catalyzing unit according to claim 1, which is characterized in that further include temperature control device, the temperature
Controlling device includes intake valve, air pump and controller, the gas outlet of the intake valve sequentially pass through bushing, buffer layer, interlayer inner sleeve,
Thermal insulating layer and interlayer housing, and to the ceramic monolith output pressure gas；The air inlet of the intake valve and the air pump
Connection, the intake valve and air pump are connected respectively with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721522636.8U CN207437169U (en) | 2017-11-15 | 2017-11-15 | A kind of efficient ternary catalyzing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721522636.8U CN207437169U (en) | 2017-11-15 | 2017-11-15 | A kind of efficient ternary catalyzing unit |
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| Publication Number | Publication Date |
|---|---|
| CN207437169U true CN207437169U (en) | 2018-06-01 |
Family
ID=62289479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201721522636.8U Active CN207437169U (en) | 2017-11-15 | 2017-11-15 | A kind of efficient ternary catalyzing unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026304A (en) * | 2018-08-17 | 2018-12-18 | 全椒县全动机械有限公司 | A kind of internal combustion engine filtering exhaust structure |
| CN113565607A (en) * | 2021-08-31 | 2021-10-29 | 吉林大学 | Anti-blocking structure of three-way catalytic converter |
-
2017
- 2017-11-15 CN CN201721522636.8U patent/CN207437169U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026304A (en) * | 2018-08-17 | 2018-12-18 | 全椒县全动机械有限公司 | A kind of internal combustion engine filtering exhaust structure |
| CN113565607A (en) * | 2021-08-31 | 2021-10-29 | 吉林大学 | Anti-blocking structure of three-way catalytic converter |
| CN113565607B (en) * | 2021-08-31 | 2022-06-03 | 吉林大学 | Anti-blocking structure of three-way catalytic converter |
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