CN106939827A - Turbo charge system with low pressure EGR - Google Patents
Turbo charge system with low pressure EGR Download PDFInfo
- Publication number
- CN106939827A CN106939827A CN201710204131.5A CN201710204131A CN106939827A CN 106939827 A CN106939827 A CN 106939827A CN 201710204131 A CN201710204131 A CN 201710204131A CN 106939827 A CN106939827 A CN 106939827A
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- China
- Prior art keywords
- control volume
- rolling element
- rotary shaft
- vertical rod
- movable block
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/22—Control of the pumps by varying cross-section of exhaust passages or air passages, e.g. by throttling turbine inlets or outlets or by varying effective number of guide conduits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
A kind of turbo charge system with low pressure EGR of technical field of mechanical design, including regulation body, control volume, spring, movable block, vertical rod, rolling element, centrifuge body, groove, rotary shaft, stretch rod, it is internal that movable plate is arranged in regulation, movable block is arranged in the top of control volume, one end of rotary shaft is embedded on the lower end front face of control volume after passing through the lower end rear surface of control volume, groove is arranged in the rotary shaft of control volume, centrifugation body is arranged in groove, the outside wall surface of centrifugation body rotates to the first rolling element, the first rolling element can be driven during the lower section of the second rolling element, second rolling element is rotated.In the present invention, when engine speed is higher, movable plate is moved up, and engine exhaust recirculation rate is high；Movable plate is moved down when the engine speed is lower, and engine exhaust recirculation rate is low.The present invention is reasonable in design, simple in construction, it is adaptable to the optimization design of gas recirculation system.
Description
Technical field
The present invention relates to a kind of turbo charge system with low pressure EGR of technical field of mechanical design, particularly
A kind of turbo charge system with low pressure EGR suitable for engine with supercharger.
Background technology
The noxious emission of engine is a main source for causing atmosphere pollution, important with environmental protection problem
Property increase increasingly, reduction Engine's Harmful Emission this target turns into an important side of development of engine in the world today
To.Rise year by year with the consumption of world oil product, international oil price remains high, and the economy of diesel vehicle is outstanding day by day,
This causes diesel engine in power train in vehicle application in occupation of increasingly consequence.So carrying out Harmful Emissions of Diesel Engine controlling party
The research of method, is the top priority for the person that is engaged in Design Technology for Diesels.Exhaust gas recycling system is the one of the waste gas for producing diesel engine
Fraction sends cylinder back to again.EGR gas is due to will retarded combustion process with inertia, that is to say, that burning velocity will
Slow down so as to causing the pressure initiation process in combustion chamber to slow down, here it is oxynitrides can reduction main cause.In addition,
Improving ER EGR Rate can reduce total extraction flow, therefore pollutant output quantity total in waste gas discharge relative will subtract
It is few.In middling speed operating mode, engine needs larger exhaust gas recirculation rate, with the row's of reduction temperature, reduces pollution；In high-speed working condition
When, engine needs less exhaust gas recirculation rate, to improve the dynamic property of engine.
By the retrieval discovery to prior art literature, China Patent No. ZL200410063439.5, patent name：Electronics
Formula EGR gas control system, the patented technology provides a kind of device of control engine exhaust recirculation rate, energy
Preferably take into account high speed conditions in engine；But the change of its exhaust gas recirculation rate is by special control structure
Come what is realized, so that control system change is more complicated.
The content of the invention
The present invention for above-mentioned the deficiencies in the prior art there is provided a kind of turbo charge system with low pressure EGR, can be with
Exhaust gas recirculation rate is set to carry out self-control according to engine speed.
The present invention is achieved through the following technical solutions, the present invention include air inlet pipe, air filter, compressor, engine,
Blast pipe, turbine, catalysis bag, EGR pipe, regulation body, movable plate, control volume, tensile axis, the first spring, movable block, first stand
Bar, the first rolling element, the second vertical rod, the second rolling element, centrifugation body, groove, second spring, rotary shaft, stretch rod, engine
Entering and exhaust channel be connected respectively with air inlet pipe, blast pipe, air filter, compressor are connected in turn in air inlet pipe, turbine, catalysis bag
Be connected in turn on blast pipe, one end of EGR pipe is connected with the air inlet pipe between air filter, compressor, the other end of EGR pipe with
Blast pipe between turbine, catalysis bag is connected, and regulation body is arranged in EGR pipe, and movable plate is arranged in regulation in vivo, movable block
The top of control volume is arranged in, one end of tensile axis is stretched into control volume and is consolidated with movable block, the top of movable block
Linked together by the upper inside wall face of the first spring and control volume, the first vertical rod, the second vertical rod top and movable block
Bottom be consolidated, the first vertical rod, the bottom of the second vertical rod are connected to one with the first rolling element, the second rolling element respectively
Rise, one end of rotary shaft through being embedded on the lower end front face of control volume after the lower end rear surface of control volume, rotary shaft it is another
One end is connected by chain with the bent axle of engine, and groove is arranged in the rotary shaft in control volume, and centrifugation body is arranged in
In groove, the internal face of centrifugation body is linked together by second spring with rotary shaft, and the outside wall surface for centrifuging body rotates to the
The first rolling element, the second rolling element can be driven to rotate when one rolling element, the lower section of the second rolling element, one end of stretch rod and stretching
The other end of axle is consolidated, and the other end of stretch rod is consolidated after passing through the wall of regulation body with movable plate.
Further, in the present invention, regulation body internal cavity cross section is rectangle, and the upper chamber of control volume is transversal
Face is rectangle, and the lower cavity cross section of control volume is circle, the axle center of rotary shaft and the lower cavity axle center weight of control volume
Close, groove is arranged for array on the rotary shaft, the outside wall surface of centrifugation body carries circular arc chamfering.
Compared with prior art, the present invention have the advantages that for：The present invention is reasonable in design, simple in construction；Exhaust
House steward's necking rate can carry out continuously adjustabe according to engine speed, so as to take into account the various operating conditions of engine.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of A-A sections in Fig. 1；
Fig. 3 is the profile of control volume in the present invention；
Fig. 4 is the structural representation of B-B sections in Fig. 3；
Wherein：1st, air inlet pipe, 2, air filter, 3, compressor, 4, engine, 5, blast pipe, 6, turbine, 7, catalysis bag, 8, EGR
Pipe, 9, regulation body, 10, movable plate, 11, control volume, 12, tensile axis, the 13, first spring, 14, movable block, the 15, first vertical rod,
16th, the first rolling element, the 17, second vertical rod, the 18, second rolling element, 19, centrifugation body, 20, groove, 21, second spring, 22, rotation
Rotating shaft, 23, stretch rod.
Embodiment
Embodiments of the invention are elaborated below in conjunction with the accompanying drawings, the present embodiment is using technical solution of the present invention before
Carry, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following embodiments.
Embodiment
As shown in Figures 1 to 4, the present invention include air inlet pipe 1, air filter 2, compressor 3, engine 4, blast pipe 5, turbine 6,
Catalysis bag 7, EGR pipe 8, regulation body 9, movable plate 10, control volume 11, tensile axis 12, the first spring 13, movable block 14, first are stood
Bar 15, the first rolling element 16, the second vertical rod 17, the second rolling element 18, centrifugation body 19, groove 20, second spring 21, rotary shaft
22nd, stretch rod 23, the entering and exhaust channel of engine 4 is connected with air inlet pipe 1, blast pipe 5 respectively, and air filter 2, compressor 3 connect successively
Be connected in air inlet pipe 1, turbine 6, catalysis bag 7 are connected in turn on blast pipe 5, one end of EGR pipe 8 and air filter 2, compressor 3 it
Between air inlet pipe 1 be connected, the blast pipe 5 between the other end of EGR pipe 8 and turbine 6, catalysis bag 7 is connected, and adjusts the cloth of body 9
Put in EGR pipe 8, movable plate 10 is arranged in regulation body 9, and movable block 14 is arranged in the top of control volume 11, tensile axis 12
One end is stretched into control volume 11 and is consolidated with movable block 14, and the top of movable block 14 passes through the first spring 13 and control volume
11 upper inside wall face is linked together, and the bottom of the first vertical rod 15, the top of the second vertical rod 17 with movable block 14 is fixedly arranged at
Together, the first vertical rod 15, the bottom of the second vertical rod 17 link together with the first rolling element 16, the second rolling element 18 respectively, rotation
One end of rotating shaft 22 is embedded on the lower end front face of control volume 11 after passing through the lower end rear surface of control volume 11, rotary shaft 22
The other end is connected by chain with the bent axle of engine 4, and groove 20 is arranged in the rotary shaft 22 in control volume 11, centrifugation
Body 19 is arranged in groove 20, and the internal face of centrifugation body 19 is linked together by second spring 21 with rotary shaft 22, is centrifuged
The outside wall surface of body 19 can drive the first rolling element 16, second to roll when rotating to the first rolling element 16, the lower section of the second rolling element 18
Kinetoplast 18 is rotated, and one end of stretch rod 23 and the other end of tensile axis 12 are consolidated, and the other end of stretch rod 23, which is passed through, to be adjusted
It is consolidated after the wall for saving body 9 with movable plate 10；It is rectangle to adjust body 9 internal cavity cross section, control volume 11 it is upper
Portion cavity cross section is rectangle, and the lower cavity cross section of control volume 11 is circle, axle center and the control volume 11 of rotary shaft 22
Lower cavity axis coinciding, groove 20 in rotary shaft 22 for array arrange, centrifugation body 19 outside wall surface carry circular arc
Chamfering.
In the course of work of the present invention, when centrifuging the rotation of body 19, the first rolling element 16, the second rolling element 18 also can be same
Step follows rotation；When centrifuging 19 outside centrifugal motion of body, the first rolling element 16, the second rolling element 18 also can be synchronously to moving up
It is dynamic.When the rotating speed of engine 4 increases, the rotating speed of rotary shaft 22 also increases, and is arranged in the centrifugation body 19 in groove 20 in rotation
During centrifugal force increase, centrifugation body 19 is synchronous to be displaced outwardly and promotes movable block 14, the first vertical rod 15, the first rolling element 16,
Second vertical rod 17, the second rolling element 18 are moved upwardly together, and compress the first spring 13, stretching second spring 21, movable block 14
Tensile axis 12 is driven to move up, tensile axis 12 drives stretch rod 23 to move up, so that stretch rod 23 drives movable plate 10 upward
Mobile, the exhaust gas recirculation rate of engine 4 is larger；When the rotating speed of engine 4 is relatively low, the rotating speed of rotary shaft 22 is relatively low, first
Movable block 14, centrifugation body 19 are synchronously moved down in the presence of spring 13, second spring 21, so that tensile axis 12, stretch rod
23rd, movable plate 10 is also synchronous moves down, and the exhaust gas recirculation rate of engine 4 is smaller.
Claims (2)
1. a kind of turbo charge system with low pressure EGR, including air inlet pipe (1), air filter (2), compressor (3), engine
(4), blast pipe (5), turbine (6), catalysis bag (7), EGR pipe (8), the entering and exhaust channel of engine (4) respectively with air inlet pipe (1),
Blast pipe (5) is connected, and air filter (2), compressor (3) are connected in turn in air inlet pipe (1), and turbine (6), catalysis bag (7) are successively
It is connected on blast pipe (5), one end of EGR pipe (8) is connected with the air inlet pipe (1) between air filter (2), compressor (3), EGR
The blast pipe (5) managed between the other end of (8) and turbine (6), catalysis bag (7) is connected, it is characterised in that also including regulation body
(9), movable plate (10), control volume (11), tensile axis (12), the first spring (13), movable block (14), the first vertical rod (15),
One rolling element (16), the second vertical rod (17), the second rolling element (18), centrifugation body (19), groove (20), second spring (21),
Rotary shaft (22), stretch rod (23), regulation body (9) are arranged in EGR pipe (8), and movable plate (10) is arranged in regulation body (9),
Movable block (14) is arranged in the top of control volume (11), and one end of tensile axis (12) is stretched into control volume (11) and and movable block
(14) it is consolidated, the top of movable block (14) is connected to by the upper inside wall face of the first spring (13) and control volume (11)
Together, bottom of the top of the first vertical rod (15), the second vertical rod (17) with movable block (14) is consolidated, the first vertical rod
(15), the bottom of the second vertical rod (17) links together with the first rolling element (16), the second rolling element (18) respectively, rotary shaft
(22) one end is embedded on the lower end front face of control volume (11) after passing through the lower end rear surface of control volume (11), rotary shaft
(22) the other end is connected by chain with the bent axle of engine (4), and groove (20) is arranged in the rotation in control volume (11)
In rotating shaft (22), centrifugation body (19) is arranged in groove (20), the internal face of centrifugation body (19) by second spring (21) with
Rotary shaft (22) links together, and the outside wall surface of centrifugation body (19) rotates to the first rolling element (16), the second rolling element (18)
The first rolling element (16), the second rolling element (18) can be driven to rotate during lower section, one end and the tensile axis (12) of stretch rod (23)
The other end is consolidated, and the other end of stretch rod (23) is fixedly arranged at one after passing through the wall of regulation body (9) with movable plate (10)
Rise.
2. the turbo charge system according to claim 1 with low pressure EGR, it is characterised in that regulation body (9) inner chamber
Body cross section is rectangle, and the upper chamber cross section of control volume (11) is rectangle, and the lower cavity of control volume (11) is transversal
Face is circle, the axle center of rotary shaft (22) and the lower cavity axis coinciding of control volume (11), and groove (20) is in rotary shaft
(22) arranged on for array, the outside wall surface of centrifugation body (19) carries circular arc chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710204131.5A CN106939827A (en) | 2017-03-30 | 2017-03-30 | Turbo charge system with low pressure EGR |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710204131.5A CN106939827A (en) | 2017-03-30 | 2017-03-30 | Turbo charge system with low pressure EGR |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106939827A true CN106939827A (en) | 2017-07-11 |
Family
ID=59464807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710204131.5A Pending CN106939827A (en) | 2017-03-30 | 2017-03-30 | Turbo charge system with low pressure EGR |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106939827A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422291A (en) * | 2015-12-21 | 2016-03-23 | 施灵伟 | Plate type gas recirculation controlling device |
| CN105545537A (en) * | 2015-12-21 | 2016-05-04 | 施灵伟 | Low-pressure gas recirculation regulating system |
| CN105545538A (en) * | 2015-12-21 | 2016-05-04 | 施灵伟 | Rotation driving type lifting control system |
-
2017
- 2017-03-30 CN CN201710204131.5A patent/CN106939827A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422291A (en) * | 2015-12-21 | 2016-03-23 | 施灵伟 | Plate type gas recirculation controlling device |
| CN105545537A (en) * | 2015-12-21 | 2016-05-04 | 施灵伟 | Low-pressure gas recirculation regulating system |
| CN105545538A (en) * | 2015-12-21 | 2016-05-04 | 施灵伟 | Rotation driving type lifting control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | 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 |
Application publication date: 20170711 |
|
| RJ01 | Rejection of invention patent application after publication |