CN203547995U - Double-pipe control type rotating mechanism - Google Patents
Double-pipe control type rotating mechanism Download PDFInfo
- Publication number
- CN203547995U CN203547995U CN201320797768.7U CN201320797768U CN203547995U CN 203547995 U CN203547995 U CN 203547995U CN 201320797768 U CN201320797768 U CN 201320797768U CN 203547995 U CN203547995 U CN 203547995U
- Authority
- CN
- China
- Prior art keywords
- pipe
- connecting tube
- engine
- runs
- running shaft
- 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.)
- Expired - Fee Related
Links
- 239000007787 solid Substances 0.000 claims description 25
- 230000009977 dual effect Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000005474 detonation Methods 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 abstract 5
- 238000005192 partition Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Supercharger (AREA)
Abstract
The utility model provides a double-pipe control type rotating mechanism and relates to an air exhaust recirculation system in the field of fuel engines. The double-pipe control type rotating mechanism comprises a gas compressor, the engine, a turbine, connecting pipes, a valve seat, a valve body, rotating shafts, a containing cavity, a fixed body, penetration pipes, a partition board, a rotating body and a connecting plate. One end of the rotating body extends into the first penetration pipe and makes sealing contact with the wall face of the first penetration pipe. The other end of the first penetration pipe is fixedly connected with the partition board. One end of the second connecting pipe is communicated with a gas inlet pipe of the engine. The other end of the second connecting pipe penetrates through the fixed body and is communicated with the first penetration pipe. When the pressure difference between the front portion and the back portion of the engine is high, the rotating body drives a butterfly valve to rotate clockwise, the air exhaust recirculation rate of the engine is high, and the detonation pressure of the engine is low. The double-pipe control type rotating mechanism is reasonable in design, simple in structure, applicable to the air exhaust recirculation system provided with a turbocharger and capable of adapting to the working condition of the engine at low-medium rotating speed and enabling the air exhaust recirculation system not to need a special air exhaust recirculation rate control mechanism.
Description
Technical field
The utility model relates to the exhaust gas recycling system in a kind of fuel engine field, particularly a kind of dual circuit control formula rotating machinery.
Background technique
The noxious emission of motor is a main source that causes pollution of atmosphere, and along with the significance of environmental protection problem increases increasingly, reducing this target of Engine's Harmful Emission becomes an important directions of development of engine in the world today.Along with the consumption of world oil goods rises year by year, international oil price is high, and the Economy of diesel-oil vehicle is outstanding day by day, this make diesel engine in power train in vehicle application in occupation of consequence more and more.So carry out the research of Harmful Emissions of Diesel Engine controlling method, it is the person's that is engaged in Design Technology for Diesels top priority.Exhaust gas recycling system is to send the sub-fraction of the waste gas of diesel engine generation back to cylinder again.Exhaust gas recirculation will retarded combustion process owing to having inertia, thereby that is to say that velocity of combustion will slow down the pressure initiation process causing in firing chamber and slow down, main cause that oxynitrides can reduce that Here it is.In addition, improve ER EGR Rate and can make total extraction flow reduce, therefore in toxic emission, total pollutant output quantity will reduce relatively.When middling speed operating mode, motor needs larger exhaust gas recirculation rate, to reduce row's temperature, reduces to pollute; When low speed operating mode, motor needs less exhaust gas recirculation rate, to improve the air inflow of motor.
Through the retrieval of prior art document is found, China Patent No. ZL200410063439.5, patent name: electronic EGR gas control system, this patented technology provides a kind of device of control engine exhaust gas recirculation rate, can take into account preferably motor in high rotating speed operating mode; But the variation of its exhaust gas recirculation rate is to realize by special control structure, thus the more complicated that control system is become.
Model utility content
For solving the problems of the technologies described above, the utility model provides a kind of dual circuit control formula rotating machinery, makes its exhaust gas recirculation rate can self-control, takes into account preferably the middle and slow speed of revolution operating mode of motor, and simple in structure, does not need special control mechanism.
The technological scheme that the utility model adopts is: a kind of dual circuit control formula rotating machinery, comprise compressor air inlet machine pipe, gas compressor, engine air inlet tube, motor, engine exhaust pipe, turbine, turbine exhaust pipe and coupling shaft, the air inlet/outlet of gas compressor respectively with the air outlet of compressor air inlet machine pipe, the suction port of engine air inlet tube is connected, the air inlet/outlet of motor respectively with the air outlet of engine air inlet tube, the suction port of engine exhaust pipe is connected, the air inlet/outlet of turbine respectively with the air outlet of engine exhaust pipe, the suction port of turbine exhaust pipe is connected, gas compressor is coaxially connected by coupling shaft with turbine, also be provided with the first connecting tube, the first running shaft, butterfly valve, the second connecting tube, the second running shaft, chain, cavity volume, fixed body, first runs through pipe, second runs through pipe, the 3rd connecting tube, dividing plate, solid of rotation and connecting plate, one end of described the first connecting tube is connected with compressor air inlet machine pipe, the other end is connected with engine exhaust pipe, the rear end of the first running shaft is embedded on the inwall of the first connecting tube through after the first connecting tube, the front end of the first running shaft is positioned at the outside of the first connecting tube, butterfly valve is arranged in the first connecting tube and is fixed together with the first running shaft, the longitudinal section of described cavity volume is circular, its cross section is rectangular, fixed body is arranged in cavity volume and is fixed together with the internal face of cavity volume, this fixed body longitudinal section is circular-arc, its cross section is rectangular, first runs through pipe, second runs through that Guan Jun is arranged in fixed body and first runs through pipe and second and run through pipe and be connected, first runs through pipe, the second cross section that runs through pipe is rectangular and the second cross sectional area that runs through pipe and is greater than the first cross sectional area that runs through pipe, dividing plate is arranged on second to be run through in pipe and with the second internal face sealing that runs through pipe and contacts, one end of solid of rotation is stretched into first and is run through in pipe and with the first internal face sealing that runs through pipe and contact, the other end and the dividing plate of solid of rotation are fixed together, the rear end of the second running shaft is embedded on the inwall of cavity volume through after cavity volume, the front end of the second running shaft is positioned at the outside of cavity volume, solid of rotation is fixed together by connecting plate and the second running shaft, the front end of the front end of the first running shaft and the second running shaft links together by chain, one end of described the second connecting tube is connected with engine air inlet tube, the other end of the second connecting tube is through running through pipe and be connected with first after fixed body, one end of described the 3rd connecting tube is connected with cavity volume, the other end is connected with turbine exhaust pipe.
The first connecting tube, the second connecting tube, the 3rd connecting tube are uniform section pipe, and the cross section of butterfly valve is circular.
The longitudinal section of described solid of rotation is circular-arc, and its cross section is rectangular.
In working procedure of the present utility model, solid of rotation can rotate freely in cavity volume, and solid of rotation, connecting plate, the second running shaft are fixed together, and the first running shaft is connected by chain with the second running shaft, and butterfly valve and the first running shaft are fixed together; Therefore, solid of rotation, connecting plate, the first running shaft, the second running shaft, butterfly valve can synchronous rotary.When engine charge pipe pressure is greater than engine exhaust pipe pressure, it is also higher that overpressure is run through in second of dividing plate top, solid of rotation drives butterfly valve to turn clockwise, in the first connecting tube, throat area becomes large, engine exhaust recirculation rate increases, thereby the detonation pressure of motor and maximum combustion temperature are reduced.
The beneficial effects of the utility model are: the utility model is reasonable in design, simple in structure, be applicable to the exhaust gas recycling system with turbosupercharger, can take into account the middle and slow speed of revolution operating mode of motor, can make again exhaust gas recycling system not need special exhaust gas recirculation rate control mechanism.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of A-A section in Fig. 1;
Fig. 3 is the structural representation of B-B section in Fig. 1;
Fig. 4 is the structural representation of C-C section in Fig. 1;
Fig. 5 is the structural representation of chain in the utility model;
Reference character: 1, compressor air inlet machine pipe, 2, gas compressor, 3, engine air inlet tube, 4, motor, 5, engine exhaust pipe, 6, turbine, 7, turbine exhaust pipe, 8, coupling shaft, 9, the first connecting tube, 10, the first running shaft, 11, butterfly valve, 12, the second connecting tube, 13, the second running shaft, 14, chain, 15, cavity volume, 16, fixed body, 17, first runs through pipe, and 18, second run through pipe, and 19, the 3rd connecting tube, 20, dividing plate, 21, solid of rotation, 22, connecting plate.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, the present embodiment, take technical solutions of the utility model as prerequisite, provided detailed mode of execution and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As shown in the figure, a kind of dual circuit control formula rotating machinery, comprises compressor air inlet machine pipe 1, gas compressor 2, engine air inlet tube 3, motor 4, engine exhaust pipe 5, turbine 6, turbine exhaust pipe 7, coupling shaft 8, the first connecting tube 9, the first running shaft 10, butterfly valve 11, the second connecting tube 12, the second running shaft 13, chain 14, cavity volume 15, fixed body 16, first runs through pipe 17, second runs through pipe 18, the 3rd connecting tube 19, dividing plate 20, solid of rotation 21 and connecting plate 22, the air inlet/outlet of gas compressor 2 respectively with the air outlet of compressor air inlet machine pipe 1, the suction port of engine air inlet tube 3 is connected, the air inlet/outlet of motor 4 respectively with the air outlet of engine air inlet tube 3, the suction port of engine exhaust pipe 5 is connected, the air inlet/outlet of turbine 6 respectively with the air outlet of engine exhaust pipe 5, the suction port of turbine exhaust pipe 7 is connected, gas compressor 2 is coaxially connected by coupling shaft 8 with turbine 6, the rear end of the first running shaft 10 is embedded on the inwall of the first connecting tube 9 through after the first connecting tube 9, the front end of the first running shaft 10 is in the outside of the first connecting tube 9, butterfly valve 11 is arranged in the first connecting tube 9 and is fixed together with the first running shaft 10, the longitudinal section of cavity volume 15 is circular, fixed body 16, the longitudinal section of solid of rotation 21 is circular-arc, cavity volume 15, fixed body 16, the cross section of solid of rotation 21 is rectangular, and fixed body 16 is arranged in cavity volume 15 and is fixed together with the internal face of cavity volume 15, and first runs through pipe 17, second runs through pipe 18 is arranged in fixed body 16, and first runs through pipe 17, second runs through pipe 18 links together, and first runs through pipe 17, the second cross section that runs through pipe 18 is rectangular, the second cross sectional area that runs through pipe 18 is greater than first and runs through the cross sectional area of managing 17, dividing plate 20 is arranged on second to be run through in pipe 18 and runs through the sealing of pipe 18 wall and contact with second, one end of solid of rotation 21 is stretched into first and is run through in pipe 17 and run through the sealing of pipe 17 wall and contact with first, the other end of solid of rotation 21 and dividing plate 20 are fixed together, the rear end of the second running shaft 13 is embedded on the inwall of cavity volume 15 through after cavity volume 15, the front end of the second running shaft 13 is in the outside of cavity volume 15, solid of rotation 21, connecting plate 22, the second running shaft 13 is all fixed together, the front end of the first running shaft 10, the front end of the second running shaft 13 links together by chain 14, and the two ends of the first connecting tube 9 are compressor air inlet machine pipe 1 respectively, engine exhaust pipe 5 is connected, and one end of the second connecting tube 12 is connected with engine air inlet tube 3, and the other end of the second connecting tube 12 is through running through and manage 17 and be connected with first after fixed body 16, the two ends of the 3rd connecting tube 19 respectively with cavity volume 15, turbine exhaust pipe 7 is connected, the first connecting tube 9, the second connecting tube 12, the 3rd connecting tube 19 is uniform section pipe, and the cross section of butterfly valve 11 is circular.
In working procedure of the present utility model, solid of rotation 21 can rotate freely in cavity volume 15, solid of rotation 21, connecting plate 22, the second running shaft 13 are fixed together, and the first running shaft 10 is connected by chain 14 with the second running shaft 13, and butterfly valve 11 and the first running shaft 10 are fixed together; Therefore, solid of rotation 21, connecting plate 22, the first running shaft 10, the second running shaft 13, butterfly valve 11 can synchronous rotary.When the pressure of engine air inlet tube 3 is greater than the pressure of engine exhaust pipe 5, it is also higher that pipe 18 internal pressures are run through in second of dividing plate 20 tops, solid of rotation 21 drives butterfly valve 11 to turn clockwise, it is large that throat area in the first connecting tube 9 becomes, engine exhaust recirculation rate increases, thereby the detonation pressure of motor and maximum combustion temperature are reduced.
Claims (3)
1. dual circuit control formula rotating machinery, comprise compressor air inlet machine pipe (1), gas compressor (2), engine air inlet tube (3), motor (4), engine exhaust pipe (5), turbine (6), turbine exhaust pipe (7) and coupling shaft (8), the air inlet/outlet of gas compressor (2) respectively with the air outlet of compressor air inlet machine pipe (1), the suction port of engine air inlet tube (3) is connected, the air inlet/outlet of motor (4) respectively with the air outlet of engine air inlet tube (3), the suction port of engine exhaust pipe (5) is connected, the air inlet/outlet of turbine (6) respectively with the air outlet of engine exhaust pipe (5), the suction port of turbine exhaust pipe (7) is connected, gas compressor (2) is coaxially connected by coupling shaft (8) with turbine (6), it is characterized in that:
Also be provided with the first connecting tube (9), the first running shaft (10), butterfly valve (11), the second connecting tube (12), the second running shaft (13), chain (14), cavity volume (15), fixed body (16), first runs through pipe (17), second runs through pipe (18), the 3rd connecting tube (19), dividing plate (20), solid of rotation (21) and connecting plate (22), one end of described the first connecting tube (9) is connected with compressor air inlet machine pipe (1), the other end is connected with engine exhaust pipe (5), the rear end of the first running shaft (10) is embedded on the inwall of the first connecting tube (9) through after the first connecting tube (9), the front end of the first running shaft (10) is positioned at the outside of the first connecting tube (9), butterfly valve (11) is arranged in the first connecting tube (9) and is fixed together with the first running shaft (10), the longitudinal section of described cavity volume (15) is circular, its cross section is rectangular, fixed body (16) is arranged in cavity volume (15) and is fixed together with the internal face of cavity volume (15), this fixed body (16) longitudinal section is circular-arc, its cross section is rectangular, first runs through pipe (17), second runs through that pipe (18) is all arranged in fixed body (16) and first runs through pipe (17) and second and run through pipe (18) and be connected, first runs through pipe (17), the second cross section that runs through pipe (18) is cross sectional area that rectangular and second runs through pipe (18) and is greater than the first cross sectional area that runs through pipe (17), dividing plate (20) is arranged on second to be run through in pipe (18) and with the second internal face that runs through pipe (18) and seals and contact, one end of solid of rotation (21) is stretched into first and is run through in pipe (17) and with the first internal face that runs through pipe (17) and seal and contact, the other end of solid of rotation (21) and dividing plate (20) are fixed together, the rear end of the second running shaft (13) is embedded on the inwall of cavity volume (15) through after cavity volume (15), the front end of the second running shaft (13) is positioned at the outside of cavity volume (15), solid of rotation (21) is fixed together by connecting plate (22) and the second running shaft (13), the front end of the front end of the first running shaft (10) and the second running shaft (13) links together by chain (14), one end of described the second connecting tube (12) is connected with engine air inlet tube (3), the other end of the second connecting tube (12) is through running through pipe (17) and be connected with first after fixed body (16), one end of described the 3rd connecting tube (19) is connected with cavity volume (15), the other end is connected with turbine exhaust pipe (7).
2. dual circuit control formula rotating machinery according to claim 1, is characterized in that: the first connecting tube (9), the second connecting tube (12), the 3rd connecting tube (19) are uniform section pipe, and the cross section of butterfly valve (11) is circular.
3. dual circuit control formula rotating machinery according to claim 1 and 2, is characterized in that: the longitudinal section of described solid of rotation (21) is circular-arc, and its cross section is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797768.7U CN203547995U (en) | 2013-12-09 | 2013-12-09 | Double-pipe control type rotating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797768.7U CN203547995U (en) | 2013-12-09 | 2013-12-09 | Double-pipe control type rotating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203547995U true CN203547995U (en) | 2014-04-16 |
Family
ID=50466122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320797768.7U Expired - Fee Related CN203547995U (en) | 2013-12-09 | 2013-12-09 | Double-pipe control type rotating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203547995U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061062A (en) * | 2014-06-06 | 2014-09-24 | 上海交通大学 | Intake and exhaust adjusting system with two spray pipes |
| CN104912614A (en) * | 2015-05-10 | 2015-09-16 | 吴丹阳 | Bolt type rotary ascending device |
| CN105986881A (en) * | 2015-02-09 | 2016-10-05 | 苏州沿泰汽车技术有限公司 | Differential pressure type intake tumble regulating system of gasoline engine |
-
2013
- 2013-12-09 CN CN201320797768.7U patent/CN203547995U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061062A (en) * | 2014-06-06 | 2014-09-24 | 上海交通大学 | Intake and exhaust adjusting system with two spray pipes |
| CN105986881A (en) * | 2015-02-09 | 2016-10-05 | 苏州沿泰汽车技术有限公司 | Differential pressure type intake tumble regulating system of gasoline engine |
| CN104912614A (en) * | 2015-05-10 | 2015-09-16 | 吴丹阳 | Bolt type rotary ascending device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203547995U (en) | Double-pipe control type rotating mechanism | |
| CN103527324A (en) | Differential-pressure type gas valve lift adjusting mechanism | |
| CN104653337A (en) | Imbalanced stressed type rotation control system | |
| CN103573396A (en) | Turbine front-and-back pressure difference control type low-pressure circulating system | |
| CN103573419A (en) | Differential pressure type pneumatic adjusting rotating device | |
| CN104675534A (en) | Pneumatic type rotary body rotary device | |
| CN103527325A (en) | Rotary distance adjustment system for valve body and valve seat | |
| CN104675577A (en) | Controllable gas path device with elastic mechanism | |
| CN104653340A (en) | Rotary multi-pipeline connecting system | |
| CN103485904A (en) | Pressure control type exhausting recycling control device | |
| CN104653348A (en) | Air pressure adjustable pipeline flow control mechanism | |
| CN103670813A (en) | Adjustable low-pressure exhaust circulating system with rotating mechanism | |
| CN104675576A (en) | Coaxial connecting device for rotating body and valve | |
| CN104653349A (en) | Pneumatic device with air inflow as air source | |
| CN104675537A (en) | Interleaving pressure control system | |
| CN103573478A (en) | Gas compressor front-and-back pressure difference control type low-pressure circulating system | |
| CN104675574A (en) | Multi-pipeline crossing mutual control device | |
| CN104675573A (en) | Pulling mechanical rotating device | |
| CN104653345A (en) | Chain controlled type butterfly valve apparatus | |
| CN104675528A (en) | Multi-loop adjusting rotating mechanism | |
| CN104675569A (en) | Pressure difference type valve rotation regulating mechanism | |
| CN104675535A (en) | Rotating mechanism regulating type exhaust gas recirculation system | |
| CN104675578A (en) | Gas path system with drawing mechanism | |
| CN104675536A (en) | Front-and-back pressure difference control type mechanical system of gas compressor | |
| CN103527350A (en) | Rotary type exhaust gas recirculation control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20141209 |
|
| EXPY | Termination of patent right or utility model |