CN103089400A - Air exhaust pressure adjusting type parallel connection boost system - Google Patents
Air exhaust pressure adjusting type parallel connection boost system Download PDFInfo
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- CN103089400A CN103089400A CN2013100151859A CN201310015185A CN103089400A CN 103089400 A CN103089400 A CN 103089400A CN 2013100151859 A CN2013100151859 A CN 2013100151859A CN 201310015185 A CN201310015185 A CN 201310015185A CN 103089400 A CN103089400 A CN 103089400A
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- 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
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
An air exhaust pressure adjusting type parallel connection boost system belongs to the technical field of mechanical design and comprises an air compressor, an engine, a turbine, connection pipes, through pipes, a volume cavity, a movable body and a spring. The movable body is installed in the volume cavity and is in sealing contact with the inner wall of the volume cavity, a first through pipe, a second through pipe and a third through pipe all penetrate through the upper wall and the lower wall of the movable body, two ends of a second connection pipe are respectively communicated with an air exhaust pipe of the engine and the right wall of the volume cavity, and the left wall of the movable body is connected with the left wall of the volume cavity through the spring. When pressure in the air exhaust pipe of the engine is high, the movable body moves towards right, and two boosters can be in parallel connection to work. When pressure in the air exhaust pipe of the engine is low, the movable body moves towards left, and only a first booster works. The air exhaust pressure adjusting type parallel connection boost system is reasonable in design, simple in control strategies and suitable for turbine boost systems with the number of the turbines different.
Description
Technical field
What the present invention relates to is the turbo charge system in a kind of mechanical designing technique field, particularly a kind of exhaust pressure regulating type supercharging in parallel system that can realize the turbosupercharger series operation.
Background technique
In the face of increasingly severe environment and energy crisis, improve specific power, reduce oil consumption and reduce the main direction that discharging becomes internal combustion engine development.The effective means of strengthening internal-combustion engine is not only in turbosupercharging, and realizes simultaneously the purpose that reduces oil consumption and reduce discharging having become indispensable technological means of modern ic machine technology.But, be subjected to the impact of turbocharger air compressor flow characteristic, for the single pressing system in traditional single whirlpool, gas compressor can only in narrow high efficient area work, limit the popularization on a large scale of turbocharging technology.If motor need to move the high pressure ratio operating mode, single stage turbocharger system also is difficult to meet the demands, and often needs to realize by the two-step supercharging system of complexity.
Find through the retrieval to the prior art document, Chinese patent application numbers 200510025774.0, patent name: adjustable high boost system with structure of series-parallel connection of turbochargers in different size, this patented technology is in specific embodiments, switch by a plurality of control valves is controlled, and can realize that the series parallel connection of two pressurized machines is adjustable; But this invention is owing to using a plurality of control valves, complicated structure.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, a kind of exhaust pressure regulating type supercharging in parallel system is provided, can realize the single-stage work of a pressurized machine and the parallel operation of two pressurized machines.
the present invention is achieved through the following technical solutions, the present invention includes the first compressor air inlet machine pipe, the first gas compressor, engine air inlet tube, motor, engine exhaust pipe, the first turbine, the first turbine exhaust pipe, the first coupling shaft, the first connecting tube, the second connecting tube, the 3rd connecting tube, the 4th connecting tube, first runs through pipe, second runs through pipe, the 3rd runs through pipe, cavity volume, moving body, spring, the second compressor air inlet machine pipe, the second gas compressor, the second gas compressor outlet pipe, the second gas inlet casing, the second turbine, the second turbine exhaust pipe and the second coupling shaft, the air inlet/outlet of the first gas compressor respectively with the air outlet of the first 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 the first turbine respectively with the air outlet of engine exhaust pipe, the suction port of the first turbine exhaust pipe is connected, and the first gas compressor is connected by the first coupling shaft is coaxial with the first turbine, the suction port of the first compressor air inlet machine pipe, the suction port of the first connecting tube, the air outlet of the first turbine exhaust pipe all is communicated with the upper wall surface of cavity volume, the air outlet of the 3rd connecting tube, the air outlet of the second gas compressor outlet pipe, the suction port of the 4th connecting tube, the suction port of the second gas inlet casing all is communicated with the lower wall surface of cavity volume, and moving body is arranged in cavity volume and with the internal face sealing of cavity volume and contacts, and first runs through pipe, second runs through pipe, the 3rd runs through two walls up and down that Guan Jun runs through moving body, the air inlet/outlet of the second gas compressor respectively with the air outlet of the second compressor air inlet machine pipe, the suction port of the second gas compressor outlet pipe is connected, the air inlet/outlet of the second turbine respectively with the air outlet of the second gas inlet casing, the suction port of the second turbine exhaust pipe is connected, and the second gas compressor is connected by the second coupling shaft is coaxial with the second turbine, and the air outlet of the first connecting tube is connected with engine air inlet tube, the two ends of the second connecting tube respectively with engine exhaust pipe, the right wall of cavity volume is connected, and the left wall of moving body is connected with the left wall of cavity volume by spring.
Further, in the present invention, the first compressor air inlet machine pipe, the first turbine exhaust pipe, the first connecting tube, the 3rd connecting tube, the 4th connecting tube, second run through pipe, the second gas compressor outlet pipe, the second gas inlet casing is pipe and internal diameter equates, first runs through pipe, the 3rd runs through pipe and is pipe and internal diameter and equates, the first internal diameter that runs through pipe is greater than the second internal diameter that runs through pipe.
In working procedure of the present invention, moving body can move left and right in cavity volume.When the engine exhaust overpressure is higher, the cavity volume internal pressure on moving body right side is also higher, moving body is moved to the left and Compress Spring, the first compressor air inlet machine pipe, first runs through pipe, the 3rd connecting tube is connected, the first connecting tube, second runs through pipe, the second gas compressor outlet pipe is connected, the first turbine exhaust pipe, the 3rd runs through pipe, the 4th connecting tube is connected, the second connecting tube, cavity volume, the second gas inlet casing are connected, the first gas compressor, the first turbine, the second gas compressor, the second turbine are worked simultaneously, two pressurized machine parallel connections.When the engine exhaust overpressure is low, the cavity volume internal pressure on moving body right side is also lower, moving body moves right under the resilient force of spring, the first compressor air inlet machine pipe, first runs through pipe, the 3rd connecting tube is connected, the first connecting tube, the second gas compressor outlet pipe cut off mutually, the first turbine exhaust pipe, the 3rd runs through pipe, the 4th connecting tube is connected, and the second connecting tube, the second gas inlet casing cut off mutually, and only the first gas compressor and the first turbine are worked simultaneously.
Compared with prior art, the present invention has following beneficial effect and is: the present invention is reasonable in design, and control strategy is simple, is applicable to the turbo charge system of various cylinder number, can realize the switching of single pressurizator mode of operation and two pressurized machine parallel operation patterns.Suction pressure is more when the single pressurized machine work of low speed operating mode, and burning better; Pumping loss is less when two pressurized machines of high-speed working condition are in parallel, and oil consumption is lower.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of A-A section in Fig. 1;
wherein: 1, the first compressor air inlet machine pipe, 2, the first gas compressor, 3, engine air inlet tube, 4, motor, 5, engine exhaust pipe, 6, the first turbine, 7, the first turbine exhaust pipe, 8, the first coupling shaft, 9, the first connecting tube, 10, the second connecting tube, 11, the 3rd connecting tube, 12, the 4th connecting tube, 13, first runs through pipe, 14, second runs through pipe, 15, the 3rd runs through pipe, 16, cavity volume, 17, moving body, 18, spring, 19, the second compressor air inlet machine pipe, 20, the second gas compressor, 21, the second gas compressor outlet pipe, 22, the second gas inlet casing, 23, the second turbine, 24, the second turbine exhaust pipe, 25, the second coupling shaft.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, the present embodiment provided detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment take technical solution of the present invention as prerequisite.
Embodiment
as depicted in figs. 1 and 2, the present invention includes the first compressor air inlet machine pipe 1, the first gas compressor 2, engine air inlet tube 3, motor 4, engine exhaust pipe 5, the first turbine 6, the first turbine exhaust pipe 7, the first coupling shaft 8, the first connecting tube 9, the second connecting tube 10, the 3rd connecting tube 11, the 4th connecting tube 12, first runs through pipe 13, second runs through pipe 14, the 3rd runs through pipe 15, cavity volume 16, moving body 17, spring 18, the second compressor air inlet machine pipe 19, the second gas compressor 20, the second gas compressor outlet pipe 21, the second gas inlet casing 22, the second turbine 23, the air inlet/outlet of the second turbine exhaust pipe 24 and the second coupling shaft 25, the first gas compressors 2 respectively with the air outlet of the first 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 the first turbine 6 respectively with the air outlet of engine exhaust pipe 5, the suction port of the first turbine exhaust pipe 7 is connected, and coupling shaft 8 is coaxial is connected by first for the first gas compressor 2 and the first turbine 6, the suction port of the first compressor air inlet machine pipe 1, the suction port of the first connecting tube 9, the air outlet of the first turbine exhaust pipe 7 all is communicated with the upper wall surface of cavity volume 16, the air outlet of the 3rd connecting tube 11, the air outlet of the second gas compressor outlet pipe 21, the suction port of the 4th connecting tube 12, the suction port of the second gas inlet casing 22 all is communicated with the lower wall surface of cavity volume 16, and moving body 17 is arranged in cavity volume 16 and with the internal face sealing of cavity volume 16 and contacts, and first runs through pipe 13, second runs through pipe 14, the 3rd runs through two walls up and down that pipe 15 all runs through moving body 17, the air inlet/outlet of the second gas compressor 20 respectively with the air outlet of the second compressor air inlet machine pipe 19, the suction port of the second gas compressor outlet pipe 21 is connected, the air inlet/outlet of the second turbine 23 respectively with the air outlet of the second gas inlet casing 22, the suction port of the second turbine exhaust pipe 24 is connected, and coupling shaft 25 is coaxial is connected by second for the second gas compressor 20 and the second turbine 23, and the air outlet of the first connecting tube 9 is connected with engine air inlet tube 3, the two ends of the second connecting tube 10 respectively with engine exhaust pipe 5, the right wall of cavity volume 16 is connected, and the left wall of moving body 17 is connected with the left wall of cavity volume 16 by spring 18, the first compressor air inlet machine pipe 1, the first turbine exhaust pipe 7, the first connecting tube 9, the 3rd connecting tube 11, the 4th connecting tube 12, second runs through pipe 14, the second gas compressor outlet pipe 21, the second gas inlet casing 22 is pipe and internal diameter equates, first runs through pipe 13, the 3rd runs through pipe 15 is pipe and internal diameter and equates, the first internal diameter that runs through pipe 13 is greater than the second internal diameter that runs through pipe 14.
In working procedure of the present invention, moving body 17 can move left and right in cavity volume 16.when engine exhaust pipe 5 internal pressures when higher, cavity volume 16 internal pressures on moving body 17 right sides are also higher, moving body 17 is moved to the left and Compress Spring 18, the first compressor air inlet machine pipe 1, first runs through pipe 13, the 3rd connecting tube 11 is connected, the first connecting tube 9, second runs through pipe 14, the second gas compressor outlet pipe 21 is connected, the first turbine exhaust pipe 7, the 3rd runs through pipe 15, the 4th connecting tube 12 is connected, the second connecting tube 10, cavity volume 16, the second gas inlet casing 22 is connected, the first gas compressor 2, the first turbine 6, the second gas compressor 20, the second turbine 23 is worked simultaneously, two pressurized machine parallel connections.When engine exhaust pipe 5 internal pressures are low, cavity volume 16 internal pressures on moving body 17 right sides are also lower, moving body 17 moves right under the resilient force of spring 18, the first compressor air inlet machine pipe 1, first runs through pipe the 13, the 3rd connecting tube 11 and is connected, the first connecting tube 9, the second gas compressor outlet pipe 21 cut off mutually, the first turbine exhaust pipe 7, the 3rd runs through pipe the 15, the 4th connecting tube 12 and is connected, the second connecting tube 10, the second gas inlet casing 22 cut off mutually, and only the first gas compressor 2 and the first turbine 6 are worked simultaneously.Suction pressure is more when the single pressurized machine work of low speed operating mode, and burning better; Pumping loss is less when two pressurized machines of high-speed working condition are in parallel, and oil consumption is lower.
Claims (2)
1. an exhaust pressure regulating type supercharging in parallel system, comprise the first compressor air inlet machine pipe (1), the first gas compressor (2), engine air inlet tube (3), motor (4), engine exhaust pipe (5), the first turbine (6), the first turbine exhaust pipe (7) and the first coupling shaft (8), the air inlet/outlet of the first gas compressor (2) respectively with the air outlet of the first 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 the first turbine (6) respectively with the air outlet of engine exhaust pipe (5), the suction port of the first turbine exhaust pipe (7) is connected, and the first gas compressor (2) by coaxial being connected of the first coupling shaft (8), characterized by further comprising the first connecting tube (9) with the first turbine (6), the second connecting tube (10), the 3rd connecting tube (11), the 4th connecting tube (12), the first connecting tube (13), second runs through pipe (14), second runs through pipe (15), cavity volume (16), moving body (17), spring (18), the second compressor air inlet machine pipe (19), the second gas compressor (20), the second gas compressor outlet pipe (21), the second gas inlet casing (22), the second turbine (23), the second turbine exhaust pipe (24) and the second coupling shaft (25), the suction port of the first compressor air inlet machine pipe (1), the suction port of the first connecting tube (9), the air outlet of the first turbine exhaust pipe (7) all is communicated with the upper wall surface of cavity volume (16), the air outlet of the 3rd connecting tube (11), the air outlet of the second gas compressor outlet pipe (21), the suction port of the 4th connecting tube (12), the suction port of the second gas inlet casing (22) all is communicated with the lower wall surface of cavity volume (16), and moving body (17) is arranged in cavity volume (16) and with the internal face sealing of cavity volume (16) and contacts, and first runs through pipe (13), second runs through pipe (14), the 3rd runs through two walls up and down that pipe (15) all runs through moving body (17), the air inlet/outlet of the second gas compressor (20) respectively with the air outlet of the second compressor air inlet machine pipe (19), the suction port of the second gas compressor outlet pipe (21) is connected, the air inlet/outlet of the second turbine (23) respectively with the air outlet of the second gas inlet casing (22), the suction port of the second turbine exhaust pipe (24) is connected, the second gas compressor (20) with the second turbine (23) by coaxial being connected of the second coupling shaft (25), the air outlet of the first connecting tube (9) is connected with engine air inlet tube (3), the two ends of the second connecting tube (10) respectively with engine exhaust pipe (5), the right wall of cavity volume (16) is connected, and the left wall of moving body (17) is connected by the left wall of spring (18) with cavity volume (16).
2. exhaust pressure regulating type supercharging in parallel system according to claim 1, it is characterized in that the first compressor air inlet machine pipe (1), the first turbine exhaust pipe (7), the first connecting tube (9), the 3rd connecting tube (11), the 4th connecting tube (12), second run through pipe (14), the second gas compressor outlet pipe (21), the second gas inlet casing (22) is pipe and internal diameter equates, first runs through pipe (13), the 3rd runs through pipe (15) and is pipe and internal diameter and equates, the first internal diameter that runs through pipe (13) is greater than the second internal diameter that runs through pipe (14).
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CN2013100151859A CN103089400A (en) | 2013-01-15 | 2013-01-15 | Air exhaust pressure adjusting type parallel connection boost system |
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CN2013100151859A CN103089400A (en) | 2013-01-15 | 2013-01-15 | Air exhaust pressure adjusting type parallel connection boost system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104763510A (en) * | 2014-11-27 | 2015-07-08 | 宁波吉利罗佑发动机零部件有限公司 | System for recycling exhaust manifold heat to realize engine boosting |
CN108087110A (en) * | 2017-11-22 | 2018-05-29 | 中国北方发动机研究所(天津) | A kind of Two Stage Turbocharging System turbine by-pass self-adaptive regulating |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1737346A (en) * | 2005-05-12 | 2006-02-22 | 上海交通大学 | Adjustable high boost system with structure of series-parallel connection of turbochargers in different size |
CN201314254Y (en) * | 2008-12-18 | 2009-09-23 | 上海交通大学 | Parallel connection three-stage adjustable turbocharger of double turbocharger |
CN102767423A (en) * | 2012-07-16 | 2012-11-07 | 上海交通大学 | Parallel gas path system with switching mechanism |
CN102817700A (en) * | 2012-08-23 | 2012-12-12 | 上海交通大学 | Parallel system of twin-turbo supercharger |
-
2013
- 2013-01-15 CN CN2013100151859A patent/CN103089400A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1737346A (en) * | 2005-05-12 | 2006-02-22 | 上海交通大学 | Adjustable high boost system with structure of series-parallel connection of turbochargers in different size |
CN201314254Y (en) * | 2008-12-18 | 2009-09-23 | 上海交通大学 | Parallel connection three-stage adjustable turbocharger of double turbocharger |
CN102767423A (en) * | 2012-07-16 | 2012-11-07 | 上海交通大学 | Parallel gas path system with switching mechanism |
CN102817700A (en) * | 2012-08-23 | 2012-12-12 | 上海交通大学 | Parallel system of twin-turbo supercharger |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104763510A (en) * | 2014-11-27 | 2015-07-08 | 宁波吉利罗佑发动机零部件有限公司 | System for recycling exhaust manifold heat to realize engine boosting |
CN104763510B (en) * | 2014-11-27 | 2017-06-23 | 宁波吉利罗佑发动机零部件有限公司 | It is a kind of to reclaim the system that exhaust manifold heat realizes engine booster |
CN108087110A (en) * | 2017-11-22 | 2018-05-29 | 中国北方发动机研究所(天津) | A kind of Two Stage Turbocharging System turbine by-pass self-adaptive regulating |
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Application publication date: 20130508 |