CN106089505A - A kind of EGR conduit inlet outlet pressure differential governor motion - Google Patents
A kind of EGR conduit inlet outlet pressure differential governor motion Download PDFInfo
- Publication number
- CN106089505A CN106089505A CN201610597516.8A CN201610597516A CN106089505A CN 106089505 A CN106089505 A CN 106089505A CN 201610597516 A CN201610597516 A CN 201610597516A CN 106089505 A CN106089505 A CN 106089505A
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- Prior art keywords
- rotary shaft
- valve body
- baffle plate
- governor motion
- pressure differential
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- 230000008859 change Effects 0.000 claims abstract description 9
- 239000003054 catalyst Substances 0.000 claims description 5
- 239000012041 precatalyst Substances 0.000 claims description 4
- 230000008844 regulatory mechanism Effects 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 230000008676 import Effects 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Abstract
The present invention relates to a kind of EGR conduit inlet outlet pressure differential governor motion, it is characterized in that: include valve body (11), baffle plate (12), rotary shaft (13), rocking arm (16) and pull bar (17), baffle plate (12) is arranged in valve body (11) by rotary shaft (13), and axle can be with rotary shaft (13) 90-degree rotation centered by rotary shaft (13) for baffle plate (12)；The termination, one end of rotary shaft (13) is stretched out valve body (11) and is rigidly connected with rocking arm (16) one end outward, and the other end of rocking arm (16) and one end of pull bar (17) are rotatably connected；Pull bar (17) drives rotary shaft (13) to rotate to drive baffle plate (12) to turn an angle in valve body (11) by rocking arm (16), thus changes the valid circulation area in valve body (11) to change exhaust resistance, finally makes pressure change at EGR inlet.The present invention can be according to the different load of electromotor, it is provided that different pressure reduction, enables EGR rate to reach design load, reaches more significant oil-saving effect.
Description
Technical field
The invention belongs to technical field of automobile engine, be specifically related to a kind of EGR conduit inlet outlet pressure differential governor motion.
Background technology
The fourth stage fuel oil playing formal enforcement on January 1st, 2016 consumes standard limit.To the year two thousand twenty, all cars enterprise is raw
The passenger car average fuel consumption produced will be from the 6.9L/100km(phase III of 2015) it is down to 5.0L/100km(fourth stage), year
All decrease by about 6.2%.A lot of main frame producers, in order to reduce fuel oil consumption, have put into a lot of R&D costs exploitation fuel-economizing skills
Art.External exhaust gas circulating technology (EGR technology) is the most with low cost, and oil-saving effect is notable, by increasing main engine plants
Family applies on internal combustion engine.According to waste gas take gas position and present EGR technology can be divided into high pressure EGR skill by Inlet Position
Art and low pressure EGR technology, two kinds of EGR technology have its different technical characterstics and pluses and minuses.The common ground of two kinds of technology is just
It is to need EGR conduit to import and export position to there is pressure reduction, enables in waste gas gas handling system, in entering cylinder, participate in burning.Due to
Low pressure EGR cost is higher, and transient response is slow, and contaminative is strong, so present main frame producer more have selected high pressure
EGR technology.But being as the rising of engine load, the pressure reduction of the import and export of EGR conduit constantly diminishes so that actually enter gas
The EGR component participating in burning in cylinder is little, it is impossible to realize more preferable oil-saving effect.So needing in the gas extraction system position of electromotor
Put a set of mechanism of increase, it is possible to achieve EGR conduit is imported and exported the pressure reduction of position and become big such that it is able to enters more waste gas and participates in
The burning of electromotor.
Summary of the invention
To achieve these goals, the present invention devises a kind of EGR conduit inlet outlet pressure differential governor motion, which solve as
What realizes EGR conduit is imported and exported the pressure reduction of position and becomes big such that it is able to enters more waste gas and participates in the asking of burning of electromotor
Topic.The present invention can be according to the different load of electromotor, it is provided that different pressure reduction, enables EGR rate to reach design load, reaches more aobvious
The oil-saving effect write.
In order to solve the technical problem of above-mentioned existence, present invention employs below scheme:
A kind of EGR conduit inlet outlet pressure differential governor motion, it is characterised in that: include valve body (11), baffle plate (12), rotary shaft (13)
And driving means, baffle plate (12) is arranged in valve body (11) by rotary shaft (13), and baffle plate (12) is centered by rotary shaft (13)
Axle can be with rotary shaft (13) 90-degree rotation；The termination, one end of rotary shaft (13) is stretched out valve body (11) and is connected with driving means outward, drives
Dynamic device drives rotary shaft (13) to rotate to drive baffle plate (12) to turn an angle in valve body (11), thus changes valve body
(11) valid circulation area in, to change exhaust resistance, finally makes pressure change at EGR inlet.
Further, driving means includes rocking arm (16) and pull bar (17), one end of rocking arm (16) and rotary shaft (13) rigidity
Connecting, the other end of rocking arm (16) and one end of pull bar (17) are rotatably connected；Pull bar (17) other end connects power source.
Further, one end of rocking arm (16) is rigidly connected with rotary shaft (13) by rotating nut (18).
Further, the other end of rocking arm (16) and one end of pull bar (17) are connected by pin (19).
Further, baffle plate (12) is arranged in rotary shaft (13), and rotary shaft (13) two ends are arranged by bearing (14) respectively
In valve body (11).
Further, rotary shaft (13) being also machined with locating slot structure, location collar (15) is arranged on this locating slot structure
In in case spin-ended rotating shaft (13) axial motion.
Further, baffle plate (12) is by being spirally connected or be welded in rotary shaft (13), or rotary shaft (13) and baffle plate (12)
It it is integral structure.
Further, valve body (11) is round tube shape structure, and the two ends of pipe are provided with adpting flange.
Further, what rotary shaft (13) was horizontal is arranged in valve body (11).
Further, baffle plate (12) is discoideus structure.
Further, this governor motion is arranged between pre-catalyst converter (2) and primary catalyst (3).
This EGR conduit inlet outlet pressure differential governor motion has the advantages that
(1) present invention is assemblied in high pressure EGR engine, it is possible to achieve EGR conduit inlet outlet pressure differential is variable, and circulation can be made to give up
Tolerance reaches design load, enters gas in-cylinder combustion, reduces electromotor pumping loss and cooling loss, to reach more preferable fuel-economizing effect
Really.
(2) present configuration is simple, and good reliability, this mechanism may be mounted in car load gas extraction system.
(3) present invention uses simple lever principle to control rotary shaft, drives baffle plate to rotate in valve body, it is achieved to reduce and have
The purpose of effect circulation area, thus improve the pressure of EGR entrance, increase EGR flow, improve engine consumption.
Accompanying drawing explanation
Fig. 1: the structural representation I of EGR conduit inlet outlet pressure differential governor motion of the present invention；
Fig. 2: the structural representation II of EGR conduit inlet outlet pressure differential governor motion of the present invention；
Fig. 3: the action schematic diagram of pull bar and rocking arm in the present invention；
Fig. 4: the installation site figure of EGR conduit inlet outlet pressure differential governor motion of the present invention.
Description of reference numerals:
1 governor motion assembly；11 valve bodies；12 baffle plates；13 rotary shafts；14 bearings；15 location collars；16 shake
Arm；17 pull bars；18 rotate nut；19 pins；2 pre-catalyst converters；3 primary catalyst；4 premufflers.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention will be further described:
Fig. 1 to Fig. 4 shows a kind of EGR conduit inlet outlet pressure differential governor motion, including governor motion assembly 1.Governor motion is total
1 is become to include valve body 11, baffle plate 12, rotary shaft 13, rocking arm 16 and pull bar 17, as depicted in figs. 1 and 2；Baffle plate 12 passes through rotary shaft
13 are arranged in valve body 11, and baffle plate 12 is arranged in rotary shaft 13, and rotary shaft 13 two ends are arranged on valve body by bearing 14 respectively
In 11, axle can be with rotary shaft 13 90-degree rotation centered by rotary shaft 13 for baffle plate 12.Valve body is stretched out in the termination, one end of rotary shaft 13
Being rigidly connected with rocking arm 16 one end outside 11, the other end of rocking arm 16 and one end of pull bar 17 are rotatably connected by pin 19.Drawing
Applying pulling force on bar 17, pull bar 17 is by rocking arm 16 drag down, as it is shown on figure 3, after rocking arm 16 rotates, axle 13 and gear are rotated
Plate 12 turns an angle in valve body 11, makes valid circulation area reduce, and increases exhaust resistance, such that it is able to make EGR inlet
Place's pressure raises, and reaches to increase the purpose of EGR conduit inlet outlet pressure differential.
Valve body 11 is round tube shape structure, and the two ends of pipe are provided with adpting flange.What rotary shaft 13 was horizontal is arranged on pipe
In, the termination, one end of rotary shaft 13 is stretched out and is rigidly connected with rocking arm 16 one end by rotation nut 18 outside valve body 11, and rocking arm 16 is put
Axle 13 can be rotated time dynamic rotate together.Also being machined with locating slot structure in rotary shaft 13, location collar 15 is arranged on this
Rotary shaft 13 axial motion is prevented in locating slot structure.Baffle plate 12 is discoideus structure, by being spirally connected or being welded on rotary shaft 13
On.Rotary shaft 13 and baffle plate 12 can also be integral piece designs.The other end of rocking arm 16 and one end of pull bar 17 are by pin 19 even
It is connected together, it is ensured that Rocker Ratio is within design load, to guarantee that baffle plate 12 pendulum angle is in scope of design.
During work, governor motion assembly 1 is arranged between pre-catalyst converter 2 and primary catalyst 3, by control operating rod 17,
Drag rocking arm 16, after rocking arm 16 rotates, axle 13 is rotated and baffle plate 12 turns an angle in valve body 11, made valve body 11
Interior valid circulation area changes, thus changes exhaust resistance, so that pressure change at EGR inlet, it is possible to realize EGR pipe
The purpose that road inlet and outlet pressure is variable.After premuffler 4 is arranged on primary catalyst 3.
The present invention provides a kind of pressure reduction that EGR conduit can be made to import and export position can be with for adjusting high pressure EGR engine
A kind of frame for movement engine load change and change, by the angle of regulating fender, adjusts EGR conduit entry position
Pressure, reaches to increase EGR conduit and imports and exports the purpose of position pressure reduction.
Above in conjunction with accompanying drawing, the present invention is carried out exemplary description, it is clear that the realization of the present invention is not by aforesaid way
Restriction, as long as have employed method design and the various improvement that carry out of technical scheme of the present invention or the most improved by the present invention
Design and technical scheme directly apply to other occasion, the most within the scope of the present invention.
Claims (10)
1. an EGR conduit inlet outlet pressure differential governor motion, it is characterised in that: include valve body (11), baffle plate (12), rotary shaft
(13) and driving means, baffle plate (12) is arranged in valve body (11) by rotary shaft (13), and baffle plate (12) with rotary shaft (13) is
Central shaft can be with rotary shaft (13) 90-degree rotation；Valve body (11) is stretched out outward with driving means even in the termination, one end of rotary shaft (13)
Connecing, driving means drives rotary shaft (13) to rotate to drive baffle plate (12) to turn an angle in valve body (11), thus changes
Valid circulation area in valve body (11), to change exhaust resistance, finally makes pressure change at EGR inlet.
EGR conduit inlet outlet pressure differential governor motion the most according to claim 1, it is characterised in that: driving means includes shaking
Arm (16) and pull bar (17), one end of rocking arm (16) is rigidly connected with rotary shaft (13), the other end of rocking arm (16) and pull bar
(17) one end is rotatably connected；Pull bar (17) other end connects power source.
EGR conduit inlet outlet pressure differential governor motion the most according to claim 2, it is characterised in that: one end of rocking arm (16)
It is rigidly connected with rotary shaft (13) by rotating nut (18).
EGR conduit inlet outlet pressure differential governor motion the most according to claim 2, it is characterised in that: another of rocking arm (16)
One end of end and pull bar (17) is connected by pin (19).
5. according to the EGR conduit inlet outlet pressure differential governor motion described in claim 1,2,3 or 4, it is characterised in that: baffle plate (12)
Being arranged in rotary shaft (13), rotary shaft (13) two ends are arranged in valve body (11) by bearing (14) respectively.
EGR conduit inlet outlet pressure differential governor motion the most according to claim 5, it is characterised in that: rotary shaft (13) is upper also
It is machined with locating slot structure, in case spin-ended rotating shaft (13) axial motion in location collar (15) is arranged on this locating slot structure.
EGR conduit inlet outlet pressure differential governor motion the most according to claim 5, it is characterised in that: baffle plate (12) passes through spiral shell
Connect or be welded in rotary shaft (13), or rotary shaft (13) and baffle plate (12) are integral structures.
8. according to the arbitrary described EGR conduit inlet outlet pressure differential governor motion of claim 1 to 7, it is characterised in that: valve body (11)
Being round tube shape structure, the two ends of pipe are provided with adpting flange.
EGR conduit inlet outlet pressure differential governor motion the most according to claim 8, it is characterised in that: baffle plate (12) is plectane
Shape structure.
10. according to the arbitrary described EGR conduit inlet outlet pressure differential governor motion of claim 1 to 9, it is characterised in that: this regulation
Mechanism is arranged between pre-catalyst converter (2) and primary catalyst (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610597516.8A CN106089505A (en) | 2016-07-27 | 2016-07-27 | A kind of EGR conduit inlet outlet pressure differential governor motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610597516.8A CN106089505A (en) | 2016-07-27 | 2016-07-27 | A kind of EGR conduit inlet outlet pressure differential governor motion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106089505A true CN106089505A (en) | 2016-11-09 |
Family
ID=57450297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610597516.8A Pending CN106089505A (en) | 2016-07-27 | 2016-07-27 | A kind of EGR conduit inlet outlet pressure differential governor motion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106089505A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10227233A (en) * | 1997-02-13 | 1998-08-25 | Unisia Jecs Corp | Negative pressure control valve device of internal combustion engine |
| CN103237978A (en) * | 2010-12-13 | 2013-08-07 | 三菱电机株式会社 | Exhaust gas circulation valve |
| CN103899441A (en) * | 2012-12-27 | 2014-07-02 | 现代自动车株式会社 | Exhaust gas recirculation valve device for vehicle |
| CN105276201A (en) * | 2014-05-29 | 2016-01-27 | 西班牙博格华纳排放系统公司 | Butterfly valve |
-
2016
- 2016-07-27 CN CN201610597516.8A patent/CN106089505A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10227233A (en) * | 1997-02-13 | 1998-08-25 | Unisia Jecs Corp | Negative pressure control valve device of internal combustion engine |
| CN103237978A (en) * | 2010-12-13 | 2013-08-07 | 三菱电机株式会社 | Exhaust gas circulation valve |
| CN103899441A (en) * | 2012-12-27 | 2014-07-02 | 现代自动车株式会社 | Exhaust gas recirculation valve device for vehicle |
| CN105276201A (en) * | 2014-05-29 | 2016-01-27 | 西班牙博格华纳排放系统公司 | Butterfly valve |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20161109 |