CN104100361B - A kind of two-stage engine with supercharger - Google Patents
A kind of two-stage engine with supercharger Download PDFInfo
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- CN104100361B CN104100361B CN201410354989.6A CN201410354989A CN104100361B CN 104100361 B CN104100361 B CN 104100361B CN 201410354989 A CN201410354989 A CN 201410354989A CN 104100361 B CN104100361 B CN 104100361B
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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
- 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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Abstract
The present invention relates to heat energy and power field, especially a kind of two-stage engine with supercharger. At least comprise first step supercharging system, second stage supercharging system, engine body. The first step utilizes exhaust gas turbo-charging; The second stage utilizes crankcase interior volume change supercharging; The pneumatic plant of the first step is connected with the inlet valve three of the second stage; The blast gate three of the second stage is connected with the diffuser of engine body; The gas barrier of engine body is connected with the turbine of the first step. The invention has the beneficial effects as follows: 1, pneumatic plant makes air compress, and second stage supercharging system has sucked more air under the constant prerequisite of volume, and pressurized effect is better; 2, the existence of second stage supercharging system, has sucked more air, also discharges more waste gas, thus stronger better driving turbine rotates, and then stronger driving pneumatic plant. So, the supercharging system that first step exhaust turbocharging system and the second stage utilize crankcase interior volume to change is mutually promoted, and creates plus effect.
Description
Technical field
The present invention relates to heat energy and power field, especially a kind of two-stage engine with supercharger.
Background technology
The shortcoming of exhaust turbocharging system is, engine power exports the unlatching slightly lagging behind throttle, it is generally required to wait a moment after opening the throttle; The shortcoming of patent of invention " a kind of engine with supercharger (application number: 2014103223478) " is that crankcase interior volume change is fixing, limited, its maximum supercharging percentum ten. A kind of two-stage engine with supercharger of invention, in conjunction with the advantage of these two kinds of boosting methods, goes it not enough, needed for when being.
Summary of the invention
The present invention provides a kind of two-stage engine with supercharger, and the first step utilizes exhaust gas turbo-charging, and the second stage utilizes crankcase interior volume change to carry out supercharging.
The present invention is achieved in that such as accompanying drawing 1, and described a kind of two-stage engine with supercharger at least comprises first step supercharging system, second stage supercharging system, engine body; First step supercharging system utilizes exhaust gas turbo-charging; Second stage supercharging system utilizes crankcase interior volume change supercharging; The pneumatic plant of first step supercharging system, is connected with second stage supercharging system by communicating passage one; Second stage supercharging system, is connected with the diffuser of engine body by communicating passage three; The gas barrier of engine body is connected with the turbine of first step supercharging system by communicating passage two.
Wherein a kind of realization is described below, and such as accompanying drawing 2, first step supercharging system is exhaust turbocharging system, and second stage supercharging system is the supercharging system utilizing crankcase interior volume to change.
Described a kind of two-stage engine with supercharger at least comprises turbine, pneumatic plant, communicating passage one, communicating passage two, inlet valve one, blast gate one, cylinder one, piston one, sparking plug one, inlet valve two, blast gate two, cylinder two, piston two, sparking plug two, inlet valve three, blast gate three, communicating passage three, crankcase, bent axle. Wherein, crankcase having inlet valve three and blast gate three, except inlet valve three and blast gate three, crankcase is airtight; Pneumatic plant is connected with inlet valve three by communicating passage one; Blast gate three is connected with inlet valve one, inlet valve two by communicating passage three; Blast gate one, blast gate two are connected with turbine by communicating passage two.
From accompanying drawing 2 it may be seen that turbine and pneumatic plant belong to first step supercharging system, second stage supercharging system and engine body have shared crankcase, and it two combines together, cannot specifically segment whom which parts belongs to.
In the present invention, described a kind of two-stage engine with supercharger, a working cycle comprises four continuous print processes, specific as follows.
Wherein, pneumatic plant is all continuous pressurized air in this Four processes, makes air enter communicating passage one.
Process one: inlet valve three is closed, blast gate three is opened, and inlet valve one is opened, and blast gate one cuts out, inlet valve two is closed, blast gate two cuts out, and crankcase is connected with cylinder one by communicating passage three, and crankcase working capacity reduces gradually, cylinder one working volume increases gradually, gas enters cylinder one along air flow line from crankcase, and the working capacity that crankcase reduces is the twice of the working capacity that cylinder one increases, and gaseous tension increases; Now, cylinder one is charging stroke, and piston one is moved to lower dead center by top dead center under the drive of bent axle; Cylinder two is acting stroke, lights inflammable mixture by sparking plug two, and the combustion gas of High Temperature High Pressure promotes piston two to move from top dead center to lower dead center, and by the external output mechanical energy of toggle.
Process two: inlet valve three is opened, blast gate three cuts out, and inlet valve one is closed, and blast gate one cuts out, and inlet valve two is closed, and blast gate two is opened, and crankcase working capacity increases gradually, and crankcase sucks pressurized air by communicating passage one from pneumatic plant; Now, cylinder one is compression stroke, and piston one moves from lower dead center to top dead center, and working capacity reduces gradually; Cylinder two is out stroke, piston two moves from lower dead center to top dead center, waste gas after burning passes through communicating passage two to turbine exhaust from cylinder two on the one hand under cylinder two inside and outside differential pressure effect, driving turbine rotates, under the exclusion effect of piston two, pass through communicating passage two to turbine exhaust from cylinder two on the other hand, drive turbine to rotate.
Process three: inlet valve three is closed, blast gate three is opened, and inlet valve one is closed, and blast gate one cuts out, inlet valve two is opened, blast gate two cuts out, and crankcase is connected with cylinder two by communicating passage three, and crankcase working capacity reduces gradually, cylinder two working volume increases gradually, gas enters cylinder two along air flow line from crankcase, and the working capacity that crankcase reduces is the twice of the working capacity that cylinder two increases, and gaseous tension increases; Now, cylinder one is acting stroke, lights inflammable mixture by sparking plug one, and the combustion gas of High Temperature High Pressure promotes piston one to move from top dead center to lower dead center, and by the external output mechanical energy of toggle; Cylinder two is charging stroke, and piston two is moved to lower dead center by top dead center under the drive of bent axle.
Process four: inlet valve three is opened, blast gate three cuts out, and inlet valve one is closed, and blast gate one is opened, and inlet valve two is closed, and blast gate two cuts out, and crankcase working capacity increases gradually, and crankcase sucks pressurized air by communicating passage one from pneumatic plant; Now, cylinder one is out stroke, piston one moves from lower dead center to top dead center, waste gas after burning passes through communicating passage two to turbine exhaust from cylinder one on the one hand under cylinder one inside and outside differential pressure effect, driving turbine rotates, under the exclusion effect of piston one, pass through communicating passage two to turbine exhaust from cylinder one on the other hand, drive turbine to rotate; Cylinder two is compression stroke, and piston two moves from lower dead center to top dead center, and working capacity reduces gradually.
In the present invention, according to the known technology of engine art, necessary parts, unit or system are set in the place of necessity.
In the present invention, by copying number of cylinders, it is possible to make the engine of the patterns such as four cylinders, six cylinders, eight cylinders.
In this realization, only process two, process four respectively have a cylinder exhaust, and turbine can be caused sometimes fast and sometimes slow, if making four Cylinder engines, being modulated into each process has a cylinder exhaust, and turbine runs can be more steady.
The invention has the beneficial effects as follows: 1, pneumatic plant makes air compress, and makes second stage supercharging system suck more air under the constant prerequisite of volume, thus produces better pressurized effect; 2, the existence of second stage supercharging system, has sucked more air, also can discharge more waste gas simultaneously, thus stronger better driving turbine rotates, and then stronger driving pneumatic plant. So, the supercharging system that first step exhaust turbocharging system and the second stage utilize crankcase interior volume to change is mutually promoted, and creates plus effect.
Accompanying drawing explanation
A kind of two-stage engine with supercharger simplified schematic diagram of Fig. 1.
A kind of two-stage engine with supercharger schematic diagram of Fig. 2.
In figure, 10 engine bodies, 11 inlet valve one, 12 blast gates one, 13 cylinder one, 14 piston one, 21 inlet valve two, 22 blast gates two, 23 cylinder two, 24 piston two, 30 second stage supercharging systems, 31 inlet valves three, 32 blast gate three, 33 communicating passage three, 34 crankcases, 35 bent axles, 40 first step supercharging systems, 41 turbines, 42 pneumatic plants, 43 communicating passage one, 44 communicating passage two.
Embodiment
Below in conjunction with Figure of description 1, the invention will be further described.
The present invention is achieved in that such as accompanying drawing 1, and described a kind of two-stage engine with supercharger at least comprises first step supercharging system (40), second stage supercharging system (30), engine body (10); First step supercharging system (40) utilizes turbine (41) supercharging; Second stage supercharging system (30) utilizes the change supercharging of crankcase (34) internal volume; The pneumatic plant (42) of first step supercharging system (40) is connected with second stage supercharging system (30) by communicating passage one (43); Second stage supercharging system (30) is connected by the diffuser of communicating passage three (33) with engine body (10); The gas barrier of engine body (10) is connected with the turbine (41) of first step supercharging system (40) by communicating passage two (44).
Wherein a kind of realization is described below, and such as accompanying drawing 2, first step supercharging system (40) is exhaust turbocharging system; Second stage supercharging system (30) is the supercharging system utilizing crankcase interior volume to change.
Described a kind of two-stage engine with supercharger at least comprises turbine (41), pneumatic plant (42), communicating passage one (43), communicating passage two (44), inlet valve one (11), blast gate one (12), cylinder one (13), piston one (14), sparking plug one, inlet valve two (21), blast gate two (22), cylinder two (23), piston two (24), sparking plug two, inlet valve three (31), blast gate three (32), communicating passage three (33), crankcase (34), bent axle (35). Wherein, crankcase (34) having inlet valve three (31) and blast gate three (32), except inlet valve three (31) and blast gate three (32), crankcase (34) is airtight; Pneumatic plant (42) is connected with inlet valve three (31) by communicating passage one (43); Blast gate three (32) is connected with inlet valve one (11), inlet valve two (21) by communicating passage three (33). Blast gate one (12), blast gate two (22) are connected with turbine (41) by communicating passage two (44).
As can be seen from accompanying drawing 2, turbine (41) and pneumatic plant (42) belong to first step supercharging system (40), second stage supercharging system (30) and engine body (10) have shared crankcase (34), and it two combines together, cannot specifically segment whom which parts belongs to.
In the present invention, described a kind of two-stage engine with supercharger, a working cycle comprises four continuous print processes, specific as follows.
Wherein, pneumatic plant (42) is all continuous pressurized air in this Four processes, makes air enter communicating passage one (43).
Process one: inlet valve three (31) is closed, blast gate three (32) is opened, inlet valve one (11) is opened, blast gate one (12) cuts out, inlet valve two (21) is closed, blast gate two (22) cuts out, crankcase (34) is connected with cylinder one (13) by communicating passage three (33), crankcase (34) working capacity reduces gradually, cylinder one (13) working volume increases gradually, gas enters cylinder one (13) along air flow line from crankcase (34), the working capacity that crankcase (34) reduces is the twice of the working capacity that cylinder one (13) increases, gaseous tension increases, now, cylinder one (13) is charging stroke, and piston one (14) is moved to lower dead center by top dead center under the drive of bent axle (35), cylinder two (23) is acting stroke, lights inflammable mixture by sparking plug two, and the combustion gas of High Temperature High Pressure promotes piston two (24) to move from top dead center to lower dead center, and by the external output mechanical energy of toggle.
Process two: inlet valve three (31) is opened, blast gate three (32) cuts out, inlet valve one (11) is closed, blast gate one (12) cuts out, inlet valve (21) is closed, blast gate two (22) is opened, and crankcase (34) working capacity increases gradually, and crankcase (34) sucks pressurized air by communicating passage one (43) from pneumatic plant (42); Now, cylinder one (13) is compression stroke, and piston one (14) moves from lower dead center to top dead center, and working capacity reduces gradually; Cylinder two (23) is out stroke, piston two (24) moves from lower dead center to top dead center, waste gas after burning is vented to turbine (41) from cylinder two (23) by communicating passage two (44) on the one hand under cylinder two (23) inside and outside differential pressure effect, turbine (41) is driven to rotate, it is vented to turbine (41) by communicating passage two (44) from cylinder two (23) under the exclusion effect of piston two (24) on the other hand, drives turbine (41) to rotate.
Process three: inlet valve three (31) is closed, blast gate three (32) is opened, inlet valve one (11) is closed, blast gate one (12) cuts out, inlet valve (21) is opened, blast gate two (22) cuts out, crankcase (34) is connected with cylinder two (23) by communicating passage three (33), crankcase (34) working capacity reduces gradually, cylinder two (23) working volume increases gradually, gas enters cylinder two (23) along air flow line from crankcase (34), the working capacity that crankcase (34) reduces is the twice of the working capacity that cylinder two (23) increases, gaseous tension increases, now, cylinder one (13) is acting stroke, lights inflammable mixture by sparking plug one, and the combustion gas of High Temperature High Pressure promotes piston one (14) to move from top dead center to lower dead center, and by the external output mechanical energy of toggle, cylinder two (23) is charging stroke, and piston two (24) is moved to lower dead center by top dead center under the drive of bent axle (35).
Process four: inlet valve three (31) is opened, blast gate three (32) cuts out, inlet valve one (11) is closed, blast gate one (12) is opened, inlet valve two (21) is closed, blast gate two (22) cuts out, and crankcase (34) working capacity increases gradually, and crankcase (34) sucks pressurized air by communicating passage one (43) from pneumatic plant (42); Now, cylinder one (13) is out stroke, piston one (14) moves from lower dead center to top dead center, waste gas after burning is vented to turbine (41) from cylinder one (13) by communicating passage two (44) on the one hand under cylinder one (13) inside and outside differential pressure effect, turbine (41) is driven to rotate, it is vented to turbine (41) by communicating passage two (44) from cylinder one (13) under the exclusion effect of piston one (14) on the other hand, drives turbine (41) to rotate; Cylinder two (23) is compression stroke, and piston two (24) moves from lower dead center to top dead center, and working capacity reduces gradually.
The above, it it is only the better embodiment of the present invention, but it is understood that, the present invention is not limited to disclosed enforcement mode and component, on the contrary, it is intended to contain the various remodeling within the purport and scope being included in appending claims, integrate features, the device of equivalence and the component of equivalence. In addition, occurring that the size of the feature of each component in the accompanying drawings is not restrictive, wherein the size of each component can be different from the size describing component in the accompanying drawings. Therefore, the present invention is for covering the remodeling to the present invention and distortion, as long as they are all within appending claims with the scope of their equivalents.
Claims (2)
1. a two-stage engine with supercharger, it is characterised in that: at least comprise first step supercharging system, second stage supercharging system, engine body; First step supercharging system utilizes exhaust gas turbo-charging; Second stage supercharging system utilizes crankcase interior volume change supercharging; The pneumatic plant of first step supercharging system is connected with second stage supercharging system by communicating passage one; Second stage supercharging system is connected with the diffuser of engine body by communicating passage three; The gas barrier of engine body is connected with the turbine of first step supercharging system by communicating passage two;
Described a kind of two-stage engine with supercharger, at least comprises turbine, pneumatic plant, communicating passage one, communicating passage two, inlet valve one, blast gate one, cylinder one, piston one, sparking plug one, inlet valve two, blast gate two, cylinder two, piston two, sparking plug two, inlet valve three, blast gate three, communicating passage three, crankcase, bent axle; Having inlet valve three and blast gate three on crankcase, except inlet valve three and blast gate three, crankcase is airtight; Pneumatic plant is connected with inlet valve three by communicating passage one; Blast gate three is connected with inlet valve one, inlet valve two by communicating passage three; Blast gate one, blast gate two are connected with turbine by communicating passage two.
2. a kind of two-stage engine with supercharger according to claim 1, it is characterised in that: a working cycle of described a kind of two-stage engine with supercharger comprises four continuous print processes, specific as follows;
Wherein, pneumatic plant is all continuous pressurized air in this Four processes, makes air enter communicating passage one;
Process one: inlet valve three is closed, blast gate three is opened, and inlet valve one is opened, and blast gate one cuts out, inlet valve two is closed, blast gate two cuts out, and crankcase is connected with cylinder one by communicating passage three, and crankcase working capacity reduces gradually, cylinder one working volume increases gradually, gas enters cylinder one along air flow line from crankcase, and the working capacity that crankcase reduces is the twice of the working capacity that cylinder one increases, and gaseous tension increases; Now, cylinder one is charging stroke, and piston one is moved to lower dead center by top dead center under the drive of bent axle; Cylinder two is acting stroke, lights inflammable mixture by sparking plug two, and the combustion gas of High Temperature High Pressure promotes piston two to move from top dead center to lower dead center, and by the external output mechanical energy of toggle;
Process two: inlet valve three is opened, blast gate three cuts out, and inlet valve one is closed, and blast gate one cuts out, and inlet valve two is closed, and blast gate two is opened, and crankcase working capacity increases gradually, and crankcase sucks pressurized air by communicating passage one from pneumatic plant; Now, cylinder one is compression stroke, and piston one moves from lower dead center to top dead center, and working capacity reduces gradually; Cylinder two is out stroke, piston two moves from lower dead center to top dead center, waste gas after burning passes through communicating passage two to turbine exhaust from cylinder two on the one hand under cylinder two inside and outside differential pressure effect, driving turbine rotates, under the exclusion effect of piston two, pass through communicating passage two to turbine exhaust from cylinder two on the other hand, drive turbine to rotate;
Process three: inlet valve three is closed, blast gate three is opened, and inlet valve one is closed, and blast gate one cuts out, inlet valve two is opened, blast gate two cuts out, and crankcase is connected with cylinder two by communicating passage three, and crankcase working capacity reduces gradually, cylinder two working volume increases gradually, gas enters cylinder two along air flow line from crankcase, and the working capacity that crankcase reduces is the twice of the working capacity that cylinder two increases, and gaseous tension increases; Now, cylinder one is acting stroke, lights inflammable mixture by sparking plug one, and the combustion gas of High Temperature High Pressure promotes piston one to move from top dead center to lower dead center, and by the external output mechanical energy of toggle; Cylinder two is charging stroke, and piston two is moved to lower dead center by top dead center under the drive of bent axle;
Process four: inlet valve three is opened, blast gate three cuts out, and inlet valve one is closed, and blast gate one is opened, and inlet valve two is closed, and blast gate two cuts out, and crankcase working capacity increases gradually, and crankcase sucks pressurized air by communicating passage one from pneumatic plant; Now, cylinder one is out stroke, piston one moves from lower dead center to top dead center, waste gas after burning passes through communicating passage two to turbine exhaust from cylinder one on the one hand under cylinder one inside and outside differential pressure effect, driving turbine rotates, under the exclusion effect of piston one, pass through communicating passage two to turbine exhaust from cylinder one on the other hand, drive turbine to rotate; Cylinder two is compression stroke, and piston two moves from lower dead center to top dead center, and working capacity reduces gradually.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410354989.6A CN104100361B (en) | 2014-07-24 | 2014-07-24 | A kind of two-stage engine with supercharger |
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| CN201410354989.6A CN104100361B (en) | 2014-07-24 | 2014-07-24 | A kind of two-stage engine with supercharger |
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| CN104100361A CN104100361A (en) | 2014-10-15 |
| CN104100361B true CN104100361B (en) | 2016-06-01 |
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| CN107269383A (en) * | 2017-08-09 | 2017-10-20 | 徐芝香 | A kind of pair of booster double cylinder engine |
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| GB1412763A (en) * | 1972-09-06 | 1975-11-05 | Brown Tractors Ltd | Multi-cylinder two-stroke injection engines |
| CN100360773C (en) * | 2006-04-06 | 2008-01-09 | 郑哲立 | Superhigh boosting double-circulation variable discharge I.C. engine |
| JP2009030535A (en) * | 2007-07-27 | 2009-02-12 | Toyota Motor Corp | Air bypass device |
| JP2013124544A (en) * | 2011-12-13 | 2013-06-24 | Daihatsu Motor Co Ltd | Internal combustion engine |
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Effective date of registration: 20190925 Address after: 230000 Woye Garden Commercial Building B-2704, 81 Ganquan Road, Shushan District, Hefei City, Anhui Province Patentee after: HEFEI LONGZHI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Address before: 163458 Heilongjiang Province, Daqing City Ranghulu District Silver billion D 22-1-501 Patentee before: Qiu Shijun |
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Effective date of registration: 20191219 Address after: 225000 zone a, building 2, No. 19, Zhongman Road, Yangzhou hi tech Industrial Development Zone, Jiangsu Province Patentee after: ZhengChi power Yangzhou Co.,Ltd. Address before: 230000 Woye Garden Commercial Building B-2704, 81 Ganquan Road, Shushan District, Hefei City, Anhui Province Patentee before: HEFEI LONGZHI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. |
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Address after: 225000 zone a, building 2, No.19, Zhongman Road, high tech Industrial Development Zone, Yangzhou City, Jiangsu Province Patentee after: Zhengchi Holding Group Co.,Ltd. Address before: 225000 zone a, building 2, No.19, Zhongman Road, high tech Industrial Development Zone, Yangzhou City, Jiangsu Province Patentee before: ZhengChi power Yangzhou Co.,Ltd. |