CN103233831A - Air inflow filling amount forming system for dual-fuel homogenizing compression-ignition engine - Google Patents
Air inflow filling amount forming system for dual-fuel homogenizing compression-ignition engine Download PDFInfo
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- CN103233831A CN103233831A CN2013101339206A CN201310133920A CN103233831A CN 103233831 A CN103233831 A CN 103233831A CN 2013101339206 A CN2013101339206 A CN 2013101339206A CN 201310133920 A CN201310133920 A CN 201310133920A CN 103233831 A CN103233831 A CN 103233831A
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- oil
- oil sprayer
- intake manifold
- fuel
- suction tude
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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
- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
An engine air inflow filling amount forming system in the technical field of internal combustion engines comprises an intake manifold, a heating pipe, a gasoline supply system and an n-heptane oil supply system. One side of the intake manifold is connected with an engine, the other side of the intake manifold is connected with the heating pipe, an oil sprayer of the gasoline supply system is connected with a first oil sprayer seat, and an oil sprayer of the n-heptane oil supply system is connected with a second oil sprayer seat. In the working process, an inflow temperature is adjusted by applying a heating system; a zirconium oxide thermal insulation layer is sprayed on pipes after a heating device and the inner wall surface and the outer wall surface of the intake manifold, heat loss can be effectively reduced, and the requirements of the engine for a heater are reduced; two groups of oil sprayers are symmetrically distributed at the tail end of the intake manifold, oil beams can be directly sprayed into an air inflow duct high in temperature, thereby being favorable for achieving uniform mixing of fuel and air; and two oil supply systems controls proportion of gasoline and n-heptane in real time and adjusts fuel property. The novel engine air inflow filling amount forming system is reasonable in design and simple in structure.
Description
Technical field
What the present invention relates to is a kind of new work engine air inlet charge formation system of technical field of internal combustion engines, and particularly gasoline-normal heptane double fuel homogeneity compression-ignition engine air inlet the charge based on the conventional gasoline machine forms system.
Background technique
Along with the development of modern society, people are more and more higher to engine energy-saving and environmental protection requirement.Homogeneous compression-ignition can reduce fuel consumption rate as a kind of novel engine combustion mode, significantly reduces the oxynitrides discharging.Realize homogeneous compression-ignition at the conventional gasoline machine, need take to improve compression ratio and air inlet such as is heated at measure.Light working method owing to be subjected to cylinder strength restriction and coordination in the high load operating mode, engine compression ratio is generally controlled below 15.The load range of homogeneity compression-ignition engine is less.Along with temperature raises, the air inlet charge reduces, and has limited the expansion of homogeneity compression-ignition engine load range.Gasoline-normal heptane dual fuel injection system based on real-time control can reduce homogeneity compression-ignition engine to the requirement of intake temperature, and real time coordination intake temperature and fuel performance can be expanded the load range of homogeneity compression-ignition engine effectively.
Find that through the retrieval to the prior art document double fuel air inlet charge of having described a kind of homogeneity compression-ignition engine in patent 201010221678.4 forms system.But the research and development of this cover system are based on conventional diesel engine.This device is not suitable for the homogeneity compression-ignition engine based on petrol engine.On the one hand, this engine compression ratio is higher, just can realize homogeneous compression-ignition under lower intake temperature, system does not relate to the insulation of air-intake heating mechanism and gas handling system and handles, and intake temperature does not reach the service condition based on the homogeneity compression-ignition engine of conventional gasoline machine; On the other hand the oil sprayer angle of this device do not have strict limit and the position far away apart from intake duct, the formation of homogeneous charge is had certain influence.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, provide a kind of double fuel homogeneity compression-ignition engine air inlet charge to form system, thereby realize the homogeneous compression-ignition of petrol engine and duel fuel engine.
The present invention is achieved through the following technical solutions, the present invention includes preceding suction tude, air-strainer, back suction tude, intake manifold, first fuel tank, the first oil filter, first fuel consumption meter, first oil pump, the first oily rail, first oil sprayer, heater, the first oil sprayer base, the second oil sprayer base, second fuel tank, the second oil filter, second fuel consumption meter, second oil pump, the second oily rail and second oil sprayer, the air outlet of preceding suction tude is connected with the suction port of back suction tude, the air outlet of back suction tude is connected with the suction port of intake manifold, air-strainer is installed on the preceding suction tude, first fuel tank, the first oil filter, first fuel consumption meter, first oil pump is connected by oil pipe successively with the first oily rail, the upper end of first oil sprayer is connected with the first oily rail, heater is installed on the preceding suction tude and is positioned at the downstream of air-strainer, second fuel tank, the second oil filter, second fuel consumption meter, second oil pump is connected by oil pipe successively with the second oily rail, the upper end of second oil sprayer is connected with the second oily rail, the first oil sprayer base and the second oil sprayer base are installed in the end of intake manifold, the lower end of first oil sprayer, the lower end of second oil sprayer is installed in the first oil sprayer base respectively, on the second oil sprayer base, first fuel tank, gasoline and normal heptane are housed respectively in second fuel tank.
Further, the first oil sprayer base and the second oil sprayer base distribute in the end symmetrical of intake manifold in the present invention, and intake manifold is made of stainless steel, in stainless inside and outside both sides the zirconium oxide thermal insulation layer are arranged all.
In working procedure of the present invention, can regulate intake temperature in the intake manifold by the heating system on the suction tude before being installed in, inside and outside the pipeline after heating equipment wall and intake manifold inside and outside keep away face and all spray the zirconium oxide thermal insulation layer, can reduce heat loss effectively like this, reduce the requirement of motor to heater; First oil sprayer and second oil sprayer are symmetrically distributed in the intake manifold end, and oily bundle can directly spray in the higher intake duct of temperature, thereby are conducive to realize the even mixing of fuel oil and air; Two cover oil supply systems can be controlled the ratio of gasoline and normal heptane, fuel metering character in real time.
Compared with prior art, the present invention has following beneficial effect and is: the present invention is reasonable in design, and is simple in structure, can control intake temperature, realizes homogeneous combustion, can control the injection proportion of two kinds of fuel again, fuel metering character.
Description of drawings
Fig. 1 is the structural representation of air inlet heating system among the present invention;
Fig. 2 is the structural representation of intake manifold among the present invention;
Fig. 3 is the structural representation of A-A section among Fig. 1;
Fig. 4 is the partial enlarged drawing of intake manifold among the present invention;
Fig. 5 is gasoline oil supply system structural representation among the present invention;
Fig. 6 is normal heptane oil supply system structural representation among the present invention;
Wherein: 1, preceding suction tude, 2, air-strainer, 3, the back suction tude, 4, intake manifold, 5, first fuel tank, 6, the first oil filter, 7, first fuel consumption meter, 8, first oil pump, 9, the first oily rail, 10, first oil sprayer, 11, heater, 12, the first oil sprayer base, 13, the second oil sprayer base, 14, second fuel tank, 15, the second oil filter, 16, second fuel consumption meter, 17, second oil pump, 18, the second oily rail, 19, second oil sprayer, 20, stainless steel, 21, the zirconium oxide thermal insulation layer.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, present embodiment is prerequisite with the technical solution of the present invention, provided detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment
Extremely shown in Figure 6 as Fig. 1, suction tude 1 before the present invention includes, air-strainer 2, back suction tude 3, intake manifold 4, first fuel tank 5, the first oil filter 6, first fuel consumption meter 7, first oil pump 8, the first oily rail 9, first oil sprayer 10, heater 11, the first oil sprayer base 12, the second oil sprayer base 13, second fuel tank 14, the second oil filter 15, second fuel consumption meter 6, second oil pump 17, the second oily rail 18, second oil sprayer 19, stainless steel 20 and zirconium oxide thermal insulation layer 21, the air outlet of preceding suction tude 1 is connected with the suction port of back suction tude 3, the air outlet of back suction tude 3 is connected with the suction port of intake manifold 4, air-strainer 2 is installed on the preceding suction tude 1, first fuel tank 5, the first oil filter 6, first fuel consumption meter 7, first oil pump 8 is connected by oil pipe successively with the first oily rail 9, the upper end of first oil sprayer 10 is connected with the first oily rail 9, heater 11 is installed on the preceding suction tude 1 and is positioned at the downstream of air-strainer 2, second fuel tank 14, the second oil filter 15, second fuel consumption meter 6, second oil pump 17 is connected by oil pipe successively with the second oily rail 18, the upper end of second oil sprayer 19 is connected with the second oily rail 18, the first oil sprayer base 12 and the second oil sprayer base 13 are installed in the end of intake manifold 4, the lower end of first oil sprayer 10, the lower end of second oil sprayer 19 is installed in the first oil sprayer base 12 respectively, on the second oil sprayer base 13, first fuel tank 5, in second fuel tank 14 gasoline and normal heptane are housed respectively, the first oil sprayer base 12 and the second oil sprayer base 13 distribute in the end symmetrical of intake manifold 4, intake manifold 4 is made of stainless steel 20, in the inside and outside both sides of stainless steel 20 zirconium oxide thermal insulation layer 21 is arranged all.
In working procedure of the present invention, can regulate intake temperature in the intake manifold 4 by 1 heater 11 on the suction tude before being installed in, inside and outside the pipeline after heater 11 wall and intake manifold 4 inside and outside keep away face and all spray zirconium oxide thermal insulation layer 21, can reduce heat loss effectively like this, reduce the requirement of motor to heater; First oil sprayer 10 and second oil sprayer 19 are symmetrically distributed in the intake manifold end, and oily bundle can directly spray in the higher intake duct of temperature, thereby are conducive to realize the even mixing of fuel oil and air; Two cover oil supply systems can be controlled the ratio of gasoline and normal heptane, fuel metering character in real time.
Claims (2)
1. a double fuel homogeneity compression-ignition engine air inlet charge forms system, comprise preceding suction tude (1), air-strainer (2), back suction tude (3), intake manifold (4), first fuel tank (5), the first oil filter (6), first fuel consumption meter (7), first oil pump (8), the first oily rail (9) and first oil sprayer (10), the air outlet of preceding suction tude (1) is connected with the suction port of back suction tude (3), the air outlet of back suction tude (3) is connected with the suction port of intake manifold (4), air-strainer (2) is installed on the preceding suction tude (1), first fuel tank (5), the first oil filter (6), first fuel consumption meter (7), first oil pump (8) is connected by oil pipe successively with the first oily rail (9), the upper end of first oil sprayer (10) is connected with the first oily rail (9), it is characterized in that, also comprise heater (11), the first oil sprayer base (12), the second oil sprayer base (13), second fuel tank (14), the second oil filter (15), second fuel consumption meter (6), second oil pump (17), the second oily rail (18) and second oil sprayer (19), heater (11) is installed in the downstream that preceding suction tude (1) went up and be positioned at air-strainer (2), second fuel tank (14), the second oil filter (15), second fuel consumption meter (6), second oil pump (17) is connected by oil pipe successively with the second oily rail (18), the upper end of second oil sprayer (19) is connected with the second oily rail (18), the first oil sprayer base (12) and the second oil sprayer base (13) are installed in the end of intake manifold (4), the lower end of first oil sprayer (10), the lower end of second oil sprayer (19) is installed in the first oil sprayer base (12) respectively, on the second oil sprayer base (13), first fuel tank (5), second fuel tank is equipped with gasoline and normal heptane respectively in (14).
2. double fuel homogeneity compression-ignition engine air inlet charge according to claim 1 forms system, it is characterized in that, the first oil sprayer base (12) distributes with the end symmetrical of the second oil sprayer base (13) in intake manifold (4), intake manifold (4) is made of stainless steel (20), in the inside and outside both sides of stainless steel (20) zirconium oxide thermal insulation layer (21) is arranged all.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101339206A CN103233831A (en) | 2013-04-17 | 2013-04-17 | Air inflow filling amount forming system for dual-fuel homogenizing compression-ignition engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101339206A CN103233831A (en) | 2013-04-17 | 2013-04-17 | Air inflow filling amount forming system for dual-fuel homogenizing compression-ignition engine |
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| CN103233831A true CN103233831A (en) | 2013-08-07 |
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| CN2013101339206A Pending CN103233831A (en) | 2013-04-17 | 2013-04-17 | Air inflow filling amount forming system for dual-fuel homogenizing compression-ignition engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018201544A1 (en) * | 2018-02-01 | 2019-08-01 | Bayerische Motoren Werke Aktiengesellschaft | Internal combustion engine with a suction module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004150411A (en) * | 2002-11-01 | 2004-05-27 | Aisan Ind Co Ltd | Gasoline alternate fuel injection control device of engine |
| EP2071159A1 (en) * | 2007-12-13 | 2009-06-17 | Magneti Marelli Sistemas Automotivos Indústria e Comércio Ltda. | Passively regulated heat dissipater |
| CN101907030A (en) * | 2010-07-09 | 2010-12-08 | 上海交通大学 | Composite homogeneity compression-ignition engine based on fuel real-time design and jet management |
| CN102278216A (en) * | 2011-05-26 | 2011-12-14 | 上海交通大学 | Multimode multi-fuel combustion system |
| CN102635430A (en) * | 2011-02-09 | 2012-08-15 | 揖斐电株式会社 | Structured body and method for manufacturing structured body |
-
2013
- 2013-04-17 CN CN2013101339206A patent/CN103233831A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004150411A (en) * | 2002-11-01 | 2004-05-27 | Aisan Ind Co Ltd | Gasoline alternate fuel injection control device of engine |
| EP2071159A1 (en) * | 2007-12-13 | 2009-06-17 | Magneti Marelli Sistemas Automotivos Indústria e Comércio Ltda. | Passively regulated heat dissipater |
| CN101907030A (en) * | 2010-07-09 | 2010-12-08 | 上海交通大学 | Composite homogeneity compression-ignition engine based on fuel real-time design and jet management |
| CN102635430A (en) * | 2011-02-09 | 2012-08-15 | 揖斐电株式会社 | Structured body and method for manufacturing structured body |
| CN102278216A (en) * | 2011-05-26 | 2011-12-14 | 上海交通大学 | Multimode multi-fuel combustion system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018201544A1 (en) * | 2018-02-01 | 2019-08-01 | Bayerische Motoren Werke Aktiengesellschaft | Internal combustion engine with a suction module |
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Application publication date: 20130807 |