CN205955813U - Take exhaust system and car of independent catalyst converter - Google Patents
Take exhaust system and car of independent catalyst converter Download PDFInfo
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- CN205955813U CN205955813U CN201620979694.2U CN201620979694U CN205955813U CN 205955813 U CN205955813 U CN 205955813U CN 201620979694 U CN201620979694 U CN 201620979694U CN 205955813 U CN205955813 U CN 205955813U
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- catalyst converter
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- exhaust manifold
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Abstract
The utility model provides a take exhaust system and car of independent catalyst converter should take the exhaust system of independent catalyst converter to include: the 3rd exhaust manifold of an exhaust manifold of first cylinder, the 2nd exhaust manifold of second cylinder, third cylinder, the fourth exhaust manifold of fourth cylinder, wherein, first cylinder is first cylinder, third cylinder, fourth cylinder and second cylinder to the order of ignition of fourth cylinder in proper order, an exhaust manifold's first end with fourth exhaust manifold's first end is connected to first connecting pipe, the 2nd exhaust manifold's first end with the 3rd exhaust manifold's first end is connected to the second connecting pipe, and, first catalyst converter, second catalyst converter, first catalyst converter through a exhaust pipe with first connecting pipe is connected, the second catalyst converter through the 2nd exhaust pipe with the second connecting pipe is connected. The utility model discloses can effectively reduce the exhaust and interfere, and then help improving the dynamic property of engine.
Description
Technical field
This utility model is related to the Design of Auto Parts technical field, particularly to a kind of exhaust system with independent catalyst converter
System and automobile.
Background technology
Improve engine power performance, reducing engine consumption is the target forever chased in engine development.As shown in Figure 1
Conventional exhaust gas system of the prior art, taking firing order 1-3-4-2 as a example, during a cylinder induction stroke triplex be aerofluxuss punching
Journey, when a cylinder intake valve has just been opened and there is valve overlap, triplex exhaust valve is opened, and the pressure of aerofluxuss is by through triplex
The exhaust manifold of exhaust manifold and a cylinder enters a cylinder, thus affecting charging efficiency and the exhaust gas recirculatioon (EGR) of a cylinder, and then
Impact engine performance.
Utility model content
This utility model embodiment technical problem to be solved is to provide a kind of gas extraction system with independent catalyst converter and vapour
Car, in order to realize reducing exhaust interference.
For solving above-mentioned technical problem, this utility model embodiment provides a kind of gas extraction system with independent catalyst converter,
Including：
The first exhaust manifold of the first cylinder, the second exhaust manifold of the second cylinder, the 3rd exhaust manifold of the 3rd cylinder,
4th exhaust manifold of the 4th cylinder, wherein, the ignition order of described first cylinder to the 4th cylinder be followed successively by the first cylinder,
Three cylinders, the 4th cylinder and the second cylinder；The first end of described first exhaust manifold and the first end of described 4th exhaust manifold
Connect to the first connecting tube, the first end of described second exhaust manifold is connected to second with the first end of described 3rd exhaust manifold
Connecting tube；And,
First catalyst converter, the second catalyst converter, described first catalyst converter passes through first exhaust pipeline and described first connecting tube
Connect, described second catalyst converter is connected with described second connecting tube by second exhaust pipeline.
Further, also include：Catalyst converter afterwards, described first catalyst converter passes through the 3rd gas exhaust piping and described rear catalyst converter
Connect, described second catalyst converter is connected with described rear catalyst converter by the 4th gas exhaust piping.
Further, also include：First oxygen sensor and the second oxygen sensor, wherein, described first oxygen sensor setting
In described first exhaust pipeline, described second oxygen sensor is arranged in described second exhaust pipeline.
Further, the first end of described first exhaust manifold and the first end of described 4th exhaust manifold are all by welding
It is fixedly connected with described first connecting tube, the first end of described second exhaust manifold is equal with the first end of described 3rd exhaust manifold
It is fixedly connected with described second connecting tube by welding.
This utility model embodiment additionally provides a kind of automobile, including the exhaust system with independent catalyst converter as above
System.
Further, also include encapsulating structure, described encapsulating structure include the first containing cavity and with described first containing cavity
The second containing cavity connecting, described first catalyst converter is arranged in described first containing cavity, and described second catalyst converter is arranged on institute
State in the second containing cavity.
Compared with prior art, this utility model embodiment provides a kind of gas extraction system of the independent catalyst converter of band and vapour
Car, at least has the advantages that：The gas extraction system with independent catalyst converter of this utility model embodiment can effectively reduce
Exhaust interference, and then it is favorably improved the dynamic property of electromotor.Additionally, the row with independent catalyst converter of this utility model embodiment
Gas system employs two catalyst converters, and this two catalyst converters are respectively less than catalyst converter of the prior art, in cold start-up, aerofluxuss
Reach catalyst converter time short, thus ensure catalyst converter transformation efficiency unaffected.
Brief description
Fig. 1 is the structural representation of gas extraction system in prior art；
Fig. 2 is the structural representation of the gas extraction system with independent catalyst converter of this utility model embodiment.
Specific embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.In the following description, only provide the specific detail of such as specifically configuration and assembly
Only to assist in comprehensive understanding embodiment of the present utility model.Therefore, it will be apparent to those skilled in the art that can be to here
The embodiment of description makes various changes and modifications without deviating from scope and spirit of the present utility model.In addition, in order to clear and
Succinctly, eliminate the description to known function and construction.
It should be understood that " embodiment " or " embodiment " that description is mentioned in the whole text mean relevant with embodiment
Special characteristic, structure or characteristic are included at least one embodiment of the present utility model.Therefore, go out everywhere in entire disclosure
Existing " in one embodiment " or " in one embodiment " not necessarily refers to identical embodiment.Additionally, these are specifically special
Levy, structure or characteristic can combine in one or more embodiments in any suitable manner.
Referring to Fig. 2, this utility model embodiment provides a kind of gas extraction system with independent catalyst converter, including：
The first exhaust manifold 1 of the first cylinder, the second exhaust manifold 2 of the second cylinder, the 3rd aerofluxuss discrimination of the 3rd cylinder
Pipe 3, the 4th exhaust manifold 4 of the 4th cylinder, wherein, the ignition order of described first cylinder to the 4th cylinder is followed successively by the first gas
Cylinder, the 3rd cylinder, the 4th cylinder and the second cylinder；The first end of described first exhaust manifold 1 and described 4th exhaust manifold 4
First end connects to the first connecting tube 5, the first end of the first end of described second exhaust manifold 2 and described 3rd exhaust manifold 3
Connect to the second connecting tube 6；And,
First catalyst converter 7, the second catalyst converter 8, described first catalyst converter 7 is connected with described first by first exhaust pipeline
Pipe 5 connects, and described second catalyst converter 8 is connected with described second connecting tube 6 by second exhaust pipeline.
It is further explained, when the first cylinder intake stroke, the 3rd cylinder is taking firing order 1-3-4-2 as a example
Exhaust stroke, when the first cylinder intake valve has just been opened and there is valve overlap, the exhaust valve of the 3rd cylinder is opened, aerofluxuss
Pressure by through the 3rd exhaust manifold 3, the second exhaust that is connected to the second catalyst converter 8 from the 3rd exhaust manifold 3 of the 3rd cylinder
Connecting tube after connecting tube after pipeline, the second catalyst converter 8, the second catalyst converter 8, the first catalyst converter 7, the first catalyst converter 7, first
Catalyst converter 7 is connected to the first exhaust pipeline of the first exhaust manifold 1 of the first cylinder and first exhaust manifold 1 enters the first gas
Cylinder, thus affecting charging efficiency and the EGR of the first cylinder, and then affects engine performance.But this impact path includes the 3rd row
Gas manifold 3 and first exhaust manifold 1 and two sections are connected to the pipeline of respective catalyst converter, have after two catalyst system and system
The gas exhaust piping of certain length, path is longer, thus the pulsation effect of the 3rd cylinder exhaust reducing, reduces to the first gas
Cylinder intake efficiency and the impact of EGR, thus be favorably improved engine power performance.Other cylinders are also similar.
Further, since each cylinder to respective catalyst converter distance be only each cylinder exhaust manifold (can be without special lengthening)
With a bit of exhaustor being connected to catalyst converter, thus in cold start-up, the impact to catalyst converter ignition speed can be reduced, protect
The transformation efficiency of card catalyst converter is unaffected, thus reducing the impact to discharge.
The gas extraction system with independent catalyst converter of this utility model embodiment also includes：Catalyst converter 9 afterwards, described first catalysis
Device 7 is connected with described rear catalyst converter 9 by the 3rd gas exhaust piping, described second catalyst converter 8 pass through the 4th gas exhaust piping with described
Catalyst converter 9 connects afterwards.
In above-mentioned two embodiment, independent catalyst system can reconnect muffler system and can also adopt after connecting
Each independent muffler system.
The gas extraction system with independent catalyst converter of this utility model embodiment also includes：First oxygen sensor and the second oxygen pass
Sensor, wherein, described first oxygen sensor is arranged in described first exhaust pipeline, and described second oxygen sensor is arranged on described
In second exhaust pipeline.
In conjunction with the first oxygen sensor and the second oxygen sensor, and arrange can independent control engine management system
(Engine Management System, EMS), the air-fuel ratio of certain two cylinder of control that can be independent, so that fuel oil controls
More accurate.
The gas extraction system with independent catalyst converter of this utility model embodiment also includes：Forward flange, described forward flange sets
There are first row pore, the second row pore of the second cylinder, the 3rd steam vent of the 3rd cylinder and the 4th cylinder of the first cylinder
4th steam vent, the second end of described first exhaust manifold 1 is connected with described first row pore by the first connector, and described
Second end of two exhaust manifolds 2 is connected with described second row pore by the second connector, and the second of described 3rd exhaust manifold 3
End is connected with described 3rd steam vent by the 3rd connector, and the 4th connector is passed through at the second end of described 4th exhaust manifold 4
It is connected with described 4th steam vent.Described first exhaust manifold 1, second exhaust manifold 2, the 3rd exhaust manifold 3 and the 4th aerofluxuss
Manifold 4 is all fixedly connected with described forward flange by welding.
The first end of the first end of described first exhaust manifold 1 and described 4th exhaust manifold 4 all by welding with described
First connecting tube 5 is fixedly connected, and the first end of described second exhaust manifold 2 is all logical with the first end of described 3rd exhaust manifold 3
Cross welding to be fixedly connected with described second connecting tube 6.Further, it is also possible to adopt integrally casting shaping.
This utility model embodiment additionally provides a kind of automobile, including the exhaust system with independent catalyst converter as above
System.
Additionally, also including encapsulating structure in embodiment of the present utility model, described encapsulating structure include the first containing cavity and
The second containing cavity being connected with described first containing cavity, described first catalyst converter 7 is arranged in described first containing cavity, and described
Two catalyst converters 8 are arranged in described second containing cavity.
Two sets of independent catalyst system, that is, the first catalyst converter 7 and the second catalyst converter 8 can be packaged together, and in
Between keep apart, the temperature transfer of the corresponding catalyst converter of working cylinder can be made to the corresponding catalyst converter of inoperative cylinder by conduction of heat,
The temperature keeping the corresponding catalyst converter of inoperative cylinder is it is ensured that the transformation efficiency of catalyst converter.
Meanwhile, the gas extraction system with independent catalyst converter of this utility model embodiment can not close with electronics cylinder deactivation into
The scheme of exhaust valve is used in combination.Such as, if cutting off the second cylinder and the oil spout of the 3rd cylinder, but do not close entering of this two cylinder
Exhaust valve, then the aerofluxuss after the first cylinder and the 4th cylinder equivalent mixture combustion will enter independent catalyst system, and
Will not be affected by the fresh air of the second cylinder and the 3rd cylinder, thus not the transformation efficiency of impact catalyst converter, not interfered with
Discharge.
To sum up, the gas extraction system with independent catalyst converter of this utility model embodiment effectively can reduce exhaust interference, enters
And it is favorably improved the dynamic property of electromotor.Additionally, the gas extraction system with independent catalyst converter of this utility model embodiment adopts
Two catalyst converters, and this two catalyst converter is respectively less than catalyst converter of the prior art, in cold start-up, aerofluxuss reach catalyst converter
Time short, thus ensure catalyst converter transformation efficiency unaffected.
The above is preferred implementation of the present utility model it is noted that ordinary skill for the art
For personnel, on the premise of without departing from principle described in the utility model, some improvements and modifications can also be made, these improvement
Also should be regarded as protection domain of the present utility model with retouching.
Claims (6)
1. a kind of gas extraction system with independent catalyst converter is it is characterised in that include：
The first exhaust manifold (1) of the first cylinder, the second exhaust manifold (2) of the second cylinder, the 3rd aerofluxuss discrimination of the 3rd cylinder
Pipe (3), the 4th exhaust manifold (4) of the 4th cylinder, wherein, the ignition order of described first cylinder to the 4th cylinder is followed successively by the
One cylinder, the 3rd cylinder, the 4th cylinder and the second cylinder；The first end of described first exhaust manifold (1) and described 4th aerofluxuss
The first end of manifold (4) connects to the first connecting tube (5), the first end of described second exhaust manifold (2) and described 3rd aerofluxuss
The first end of manifold (3) connects to the second connecting tube (6)；And,
First catalyst converter (7), the second catalyst converter (8), described first catalyst converter (7) passes through first exhaust pipeline with described first even
Adapter (5) connects, and described second catalyst converter (8) is connected with described second connecting tube (6) by second exhaust pipeline.
2. the gas extraction system with independent catalyst converter according to claim 1 is it is characterised in that also include：Catalyst converter afterwards
(9), described first catalyst converter (7) is connected with described rear catalyst converter (9) by the 3rd gas exhaust piping, described second catalyst converter (8)
It is connected with described rear catalyst converter (9) by the 4th gas exhaust piping.
3. the gas extraction system with independent catalyst converter according to claim 1 is it is characterised in that also include：First oxygen sensing
Device and the second oxygen sensor, wherein, described first oxygen sensor is arranged in described first exhaust pipeline, described second oxygen sensing
Device is arranged in described second exhaust pipeline.
4. the gas extraction system with independent catalyst converter according to claim 1 it is characterised in that
The first end of the first end of described first exhaust manifold (1) and described 4th exhaust manifold (4) all by welding with described
First connecting tube (5) is fixedly connected, the first end of described second exhaust manifold (2) and the first of described 3rd exhaust manifold (3)
End is all fixedly connected with described second connecting tube (6) by welding.
5. a kind of automobile is it is characterised in that include the exhaust system with independent catalyst converter as described in any one of Claims 1 to 4
System.
6. according to claim 5 automobile it is characterised in that also including encapsulating structure, described encapsulating structure includes the first appearance
Put chamber and the second containing cavity being connected with described first containing cavity, described first catalyst converter (7) is arranged on described first containing cavity
In, described second catalyst converter (8) is arranged in described second containing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620979694.2U CN205955813U (en) | 2016-08-29 | 2016-08-29 | Take exhaust system and car of independent catalyst converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620979694.2U CN205955813U (en) | 2016-08-29 | 2016-08-29 | Take exhaust system and car of independent catalyst converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205955813U true CN205955813U (en) | 2017-02-15 |
Family
ID=57978323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620979694.2U Active CN205955813U (en) | 2016-08-29 | 2016-08-29 | Take exhaust system and car of independent catalyst converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205955813U (en) |
-
2016
- 2016-08-29 CN CN201620979694.2U patent/CN205955813U/en active Active
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