CN106224071A - A kind of exhaust manifold assembly - Google Patents
A kind of exhaust manifold assembly Download PDFInfo
- Publication number
- CN106224071A CN106224071A CN201610817721.0A CN201610817721A CN106224071A CN 106224071 A CN106224071 A CN 106224071A CN 201610817721 A CN201610817721 A CN 201610817721A CN 106224071 A CN106224071 A CN 106224071A
- Authority
- CN
- China
- Prior art keywords
- manifold
- sheet
- exhaust manifold
- manifold assembly
- exhaust
- 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.)
- Pending
Links
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910000989 Alclad Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- 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
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
-
- 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
- F01N13/16—Selection of particular materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
-
- 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
- F01N3/101—Three-way catalysts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a kind of exhaust manifold assembly, including ternary catalyzing unit, described exhaust manifold assembly also includes being formed the exhaust manifold assembly separating guide space body by guiding ternary catalyzing unit without aerofluxus overlap cylinder expellant gas by combination.The interference of intake and exhaust between each cylinder can be avoided, increase charging efficiency, reduce exhaust emission, the discharge standard high to meet electromotor；Improve aerofluxus mix homogeneously property coefficient, reach preferable clean-up effect；Simple in construction, compact, the beneficially integral arrangement in the front storehouse of electromotor.
Description
Technical field
The invention belongs to technical field of automobile engine, be specifically related to a kind of exhaust manifold assembly, in particular, relate to
A kind of novel close coupled type aerofluxus on the naturally aspirated four cylinder engine of the low-cost and high-performance of state six discharge standard
Manifold assembly.
Background technology
In order to make electromotor meet the national emission request the strictest to automobile, improve the emission performance of cold-start phase
Can, simultaneously in order to reduce the exhaust interference phenomenon between each cylinder, improve charging efficiency.In conjunction with rational port timing, it is greatly improved
Low engine speed moment of torsion and high speed performance stability, use 4-2-1 type close coupled type exhaust manifold assembly the most on the engine.
It is characterized in by a single cavity, the two cylinder overlapping without aerofluxus is entered back into air inlet end cone, reduces the aerofluxus between each cylinder and do
Relate to phenomenon.
But 4-2-1 type exhaust manifold structure is relative complex at present, makes and technique controlling difficulty is significantly increased, cost simultaneously
Improve.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art.To this end, the present invention provides a kind of row
Gas manifold assembly, it is therefore an objective to simplify exhaust manifold structure.
To achieve these goals, the technical scheme that the present invention takes is:
A kind of exhaust manifold assembly, including ternary catalyzing unit, described exhaust manifold assembly also includes being formed by combination dividing
The exhaust manifold assembly of ternary catalyzing unit will be guided without aerofluxus overlap cylinder expellant gas every guide space body.
Described exhaust manifold assembly includes the first manifold sheet, the second manifold sheet and is located at the first manifold sheet and the second manifold sheet
Between manifold in sheet, described first manifold sheet cover with the lower surface of sheet in manifold be connected formation the first guide space body, institute
State the second manifold sheet cover with the upper surface of sheet in manifold be connected formation the second guide space body, described first guide space body with
The port of export of the second guide space body all connects conducting with the inlet end of ternary catalyzing unit.
In described first manifold sheet, the second manifold sheet and manifold, sheet is stainless steel thin-wall punching structure.
Described first manifold sheet, the second manifold sheet and sheet in manifold are by being stamped and formed out having described first guide space body
Flow-guiding structure is separated with the arc of the second guide space body.
Described first guide space body and the second guide space body are y-type structure body.
The inlet end of described ternary catalyzing unit is pyramidal structure.
The inlet end of described exhaust manifold assembly connects inlet flange, and described inlet flange is integral type stainless steel thin-wall knot
Structure body.
The shell of described ternary catalyzing unit is provided with support, and described support is connected with engine body by bracing frame.
Described support is connected for being detachably fixed with bracing frame.
Beneficial effects of the present invention: the present invention determines the aerofluxus shape of each cylinder according to the ignition order of each cylinder of electromotor
State, directly connects formation cleverly by three punching press lamellar bodies by the exhaust manifold group without aerofluxus overlap cylinder and has separate space
Guide space body, be so avoided that the interference of intake and exhaust between each cylinder, increase charging efficiency, reduce exhaust emission, with full
The discharge standard that foot electromotor is high；Use the design of y-type structure body so that aerofluxus mixing before entering ternary catalyzing unit is equal simultaneously
Even, improve aerofluxus mix homogeneously property coefficient, reach preferable clean-up effect；Simple in construction, compact, greatly reduce technique multiple
Miscellaneous degree, effectively reduces cost, beneficially before electromotor in the case of reaching to improve moment of torsion on an equal basis and stablize high speed performance purpose
The integral arrangement in storehouse.
Accompanying drawing explanation
This specification includes the following drawings, shown content respectively:
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the exploded view of exhaust manifold assembly of the present invention；
Fig. 3 is the left view of Fig. 1；
Fig. 4 is the upward view of Fig. 1.
Figure is labeled as:
1, inlet flange, the 2, first manifold sheet, 3, sheet in manifold, the 4, second manifold sheet, 5, inlet end, 6, three-element catalytic
Device, 7, outlet side, 8, flange of giving vent to anger, 9, support, 10, bracing frame.
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, the detailed description of the invention of the present invention is made further details of
Explanation, it is therefore an objective to help those skilled in the art that design, the technical scheme of the present invention are had more complete, accurate and deep reason
Solve, and contribute to its enforcement.
As shown in Figures 1 to 4, present invention relates particularly to a kind of exhaust manifold assembly, including ternary catalyzing unit 6, ternary is urged
Changing and be welded with support 9 on the shell of device, this exhaust manifold assembly also includes forming separation guide space body by combination will be without row
Gas overlap cylinder expellant gas guides the exhaust manifold assembly of ternary catalyzing unit.
It is the electromotor of 1-3-4-2 for ignition order in the present embodiment, uses the close coupling aerofluxus discrimination of 4-2-1 form
Pipe assembly designs.Actual four-stroke engine at work, for ensureing preferable intake and exhaust effect, open in advance, row by inlet valve
Late closing of valve, arises that the phenomenon that nearly exhaust valve is opened simultaneously.In order to reach to avoid exhaust interference between each cylinder, simultaneously
Can simplify structure, increase the compactedness that coupling exhaust manifold assembly is arranged, exhaust manifold group one end connects inlet flange 1, separately
One end is directly connected with inlet end 5 by design cleverly, and exhaust manifold group includes two separate space bodies, will be overlapping without aerofluxus
Exhaust manifold be connected in same space body.Specifically, exhaust manifold assembly includes first manifold sheet the 2, second manifold
Sheet 3 in sheet 4 and the manifold be located between the first manifold sheet 2 and the second manifold sheet 4, the first manifold sheet 2 and the following table of sheet 3 in manifold
Cover closes to connect and forms the first guide space body, and the second manifold sheet 4 covers with the upper surface of sheet in manifold 3 to be connected to be formed and second leads
To space body, the port of export of the first guide space body and the second guide space body all and ternary catalyzing unit 6 inlet end connect lead
Logical.In the present embodiment, by electromotor one, the four cylinder expellant gas overlapping without aerofluxus by the first manifold sheet 2 and manifold
Sheet 3 lower surface covers the exhaust branch pipe of connection composition and imports the separate space being made up of sheet in manifold 3 and the first manifold sheet 2
Body, that is to say the first guide space body；Without aerofluxus overlapping two, triplex expellant gas is by the second manifold sheet 4 and manifold
The exhaust branch pipe of sheet 3 composition imports the separate space body being made up of sheet 3 in the second manifold sheet 4 and manifold, that is to say that second leads
To space body.Two separate space bodies that is to say that the waste gas of the first guide space body and the discharge of the second guide space body is at inlet end
Ternary catalyzing unit 6 is entered after mixing at 5.It is existing that such arrangement reduces the exhaust interference between each cylinder to a great extent
As, be conducive to improving charging efficiency.In combination with rational port timing, low engine speed moment of torsion can be greatly improved.Due to row
Each exhaust branch pipe and two separate space bodies that gas manifold component is formed are only through first manifold sheet the 2, second manifold sheet 4 and discrimination
In pipe, 3 three stamping compositions of sheet, greatly reduce process complexity, make cost be effectively reduced.First manifold sheet 2,
In second manifold sheet 4 and manifold, sheet 3 is stainless steel thin-wall punching structure, and three stampings are by being welded to connect.Preferably, first
Manifold sheet and the second manifold sheet are Y-shaped structure, and in four terminations that in manifold, sheet is corresponding with inlet flange, adjacent termination is U-shaped lacking
Mouthful, it is possible to while effectively realizing being combined into exhaust manifold, while meeting punching press requirement, alleviate the weight of product.Preferably
, first manifold sheet the 2, second manifold sheet 4 is led by being stamped and formed out having the first guide space body and second with sheet in manifold 3
Flow-guiding structure is separated to the arc of space body.
First guide space body and the second guide space body are y-type structure body.Y-type structure body makes aerofluxus enter ternary
Mix homogeneously before catalyst converter, improves aerofluxus mix homogeneously property coefficient, reaches preferable clean-up effect.Entering of ternary catalyzing unit 6
Gas end 5 is preferably up-small and down-big pyramidal structure, and waste gas first compresses and spreads afterwards so that waste gas mixing is more uniform, thus improves
Ternary catalyzing unit 6 front end aerofluxus mix homogeneously property coefficient.Inlet flange is monolithic construction, uses stainless steel thin-wall punching press system
Become, to alleviate product quality.Outlet side 7 bottom welding at ternary catalyzing unit 6 is given vent to anger flange 8.Ternary catalyzing unit uses bucket
Shape structure, simple in construction, different size specification can be designed according to the engine calls of the different discharge capacity of this series, barrel-like structure
Shell is rolled up city, Hull by metal blank, it is not necessary to liner and encapsulation, reduces production process.
Support 9 is connected with engine body by bracing frame 10.Compared with directly connecting the holder on electromotor, pass through
Model analysis, this structure can significantly promote total system mode.Support 9 and bracing frame 10 all can use thin-wall stainless steel plate
Make, to alleviate weight.Support is preferably detachably fixed with bracing frame and is connected.Such as, support and institute's bracing frame pass through bolt
Detachably it is fastenedly connected.
Heat shield mounting bracket preferably it is welded with on the shell of ternary catalyzing unit 6.Heat shield mounting bracket can be two,
Two heat shield mounting brackets lay respectively at left-half and the right half part of ternary catalyzing unit 6, arrange heat insulation mounting bracket
Effect is, can install heat shield thereon easily, and the effect of heat shield avoids peripheral component to radiate because of exhaust manifold
Heat and cause losing efficacy, heat shield can use alclad sheet, has good effect of heat insulation and achieve lightweight.
Additionally, the inlet end 5 at ternary catalyzing unit 6 is provided with oxygen sensor nut.Oxygen sensor nut is with oxygen sensor even
Connect, it is simple to oxygen sensor gathers the setting of signal, oxygen sensor and oxygen sensor nut, it is simple to control the waste gas discharge of vehicle.
The exhaust manifold assembly of the present invention, has the advantage that and can avoid the interference of intake and exhaust between each cylinder, increase and fill
Gas efficiency, reduces exhaust emission, the discharge standard high to meet electromotor；Improve aerofluxus mix homogeneously property coefficient, reach relatively
Good clean-up effect；Simple in construction, compact, the beneficially integral arrangement in the front storehouse of electromotor.
Above in association with accompanying drawing, the present invention is exemplarily described.Obviously, the present invention implements not by above-mentioned side
The restriction of formula.As long as the improvement of the various unsubstantialities that the method design that have employed the present invention is carried out with technical scheme；Or not
Improved, above-mentioned design and the technical scheme of the present invention are directly applied to other occasion, all in protection scope of the present invention
Within.
Claims (9)
1. an exhaust manifold assembly, including ternary catalyzing unit (6), it is characterised in that: described exhaust manifold assembly also includes leading to
Cross combination and form the aerofluxus separating guide space body by guiding ternary catalyzing unit without aerofluxus overlap cylinder expellant gas
Manifold component.
Exhaust manifold assembly the most according to claim 1, it is characterised in that: described exhaust manifold assembly includes the first manifold sheet
(2), sheet (3) in the second manifold sheet (4) and the manifold be located between the first manifold sheet (2) and the second manifold sheet (4), described first
Manifold sheet (2) cover with the lower surface of sheet in manifold (3) be connected formation the first guide space body, described second manifold sheet (4) with
In manifold, the upper surface of sheet (3) covers connection and forms the second guide space body, and described first guide space body and second guides sky
The port of export of mesosome all connects conducting with the inlet end (5) of ternary catalyzing unit (6).
Exhaust manifold assembly the most according to claim 2, it is characterised in that: described first manifold sheet (2), the second manifold sheet
(4) sheet (3) is stainless steel thin-wall punching structure and in manifold.
Exhaust manifold assembly the most according to claim 3, it is characterised in that: described first manifold sheet (2), the second manifold sheet
(4) separate by being stamped and formed out having the arc of described first guide space body and the second guide space body with sheet (3) in manifold
Flow-guiding structure.
Exhaust manifold assembly the most according to claim 2, it is characterised in that: described first guide space body and second guides sky
Mesosome is Y-shaped structure body.
Exhaust manifold assembly the most according to claim 1, it is characterised in that: the inlet end (5) of described ternary catalyzing unit (6) is
Pyramidal structure.
Exhaust manifold assembly the most according to claim 1, it is characterised in that: the inlet end of described exhaust manifold assembly connect into
Gas flange (1), described inlet flange (1) is integral type Thin Stainless Steel multi-walled structure.
Exhaust manifold assembly the most according to claim 1, it is characterised in that: the shell of described ternary catalyzing unit is provided with support
(9), described support (9) is connected with engine body by bracing frame (10).
Exhaust manifold assembly the most according to claim 8, it is characterised in that: described support (9) is removable with bracing frame (10)
Unload fixing connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610817721.0A CN106224071A (en) | 2016-09-12 | 2016-09-12 | A kind of exhaust manifold assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610817721.0A CN106224071A (en) | 2016-09-12 | 2016-09-12 | A kind of exhaust manifold assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106224071A true CN106224071A (en) | 2016-12-14 |
Family
ID=58074939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610817721.0A Pending CN106224071A (en) | 2016-09-12 | 2016-09-12 | A kind of exhaust manifold assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106224071A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102782277A (en) * | 2010-03-05 | 2012-11-14 | 双叶产业株式会社 | Exhaust manifold |
| CN202883072U (en) * | 2012-10-30 | 2013-04-17 | 芜湖杰锋汽车动力系统有限公司 | Exhaust system of motor vehicle |
| WO2013183565A1 (en) * | 2012-06-06 | 2013-12-12 | フタバ産業株式会社 | Exhaust system component |
| CN203925709U (en) * | 2014-02-25 | 2014-11-05 | 奇瑞汽车股份有限公司 | A kind of exhaust manifold assembly |
-
2016
- 2016-09-12 CN CN201610817721.0A patent/CN106224071A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102782277A (en) * | 2010-03-05 | 2012-11-14 | 双叶产业株式会社 | Exhaust manifold |
| WO2013183565A1 (en) * | 2012-06-06 | 2013-12-12 | フタバ産業株式会社 | Exhaust system component |
| CN202883072U (en) * | 2012-10-30 | 2013-04-17 | 芜湖杰锋汽车动力系统有限公司 | Exhaust system of motor vehicle |
| CN203925709U (en) * | 2014-02-25 | 2014-11-05 | 奇瑞汽车股份有限公司 | A kind of exhaust manifold assembly |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161214 |