CN201531315U - Clean multi-fuel internal combustion engine - Google Patents
Clean multi-fuel internal combustion engine Download PDFInfo
- Publication number
- CN201531315U CN201531315U CN2009202207006U CN200920220700U CN201531315U CN 201531315 U CN201531315 U CN 201531315U CN 2009202207006 U CN2009202207006 U CN 2009202207006U CN 200920220700 U CN200920220700 U CN 200920220700U CN 201531315 U CN201531315 U CN 201531315U
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- combustion engine
- internal combustion
- intake
- fuel
- cylinder
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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
- Y02T10/12—Improving ICE efficiencies
Abstract
The utility model relates to a clean multi-fuel internal combustion engine, and belongs to the technical field of internal combustion engines. The internal combustion engine comprises a cylinder, a piston, a connecting rod, a crankshaft, an intake, an intake valve, an exhaust passage, an exhaust valve, a fuel injector or an igniter, and further consists of an ejector, wherein the ejector of the internal combustion engine is arranged on the side wall of the intake, and is communicated with the intake. The clean multi-fuel internal combustion engine provided by the utility model is provided with one or a plurality of ejectors on the intake, and the ejectors can be used for spraying water, methanol or ethanol for the intake according to different purposes. The clean multi-fuel internal combustion engine can greatly reduce the emission of harmful gas of a design engine, uses various fuels, improves the heat efficiency, and saves fuel. The bigger excess air and higher compression ratio can be adopted in petrol engines.
Description
Technical field
The utility model relates to a kind of clean multi-fuel internal combustion engine, belongs to technical field of internal combustion engines.
Background technique
In the gas of combustion of diesel engine, main harmful gas is a nitrogen oxide, and nitrogen oxide is because diesel engine adopts high pressure-charging for fuel-economizing, improves injection pressure and oil spout speed, make diesel oil in cylinder rapidly burning cause instantaneous temperature too high due to.Present diesel engine will reduce discharged nitrous oxides must sacrifice some thermals efficiency, from and caused the oil consumption increase, so to present diesel technology, fuel-economizing and the discharging that reduces nitrogen oxide have just formed the contradiction of a pair of bad solution.
Its thermal efficiency of present petrol engine is low, and oil consumption height, the main cause that carbon monoxide emission is high are to take high compression ratio and bigger excess air coefficient.When causing not to compression end of a period or igniting because of the too high meeting of compression ratio, spontaneous combustion promptly can produce detonation because the temperature of mixed gas is too high, and in a single day petrol engine produces detonation, and not only the oil consumption meeting significantly increases, even can damage machine, makes it cisco unity malfunction.In addition, because the excess air coefficient of petrol engine is low, so it is insufficient to cause burning, it is higher to contain carbon monoxide in its waste gas.
Summary of the invention
The purpose of this utility model is to propose a kind of clean multi-fuel internal combustion engine, change the structure of existing internal-combustion engine, on existing internal-combustion engine basis, increase injection apparatus, in the air inlet of internal-combustion engine, spray into water or methyl alcohol, ethanol, so that internal-combustion engine can use pluralities of fuel, and fuel-efficient, and reduce discharge of harmful gases.
The clean multi-fuel internal combustion engine that the utility model proposes, internal-combustion engine comprise cylinder, piston, connecting rod, bent axle, intake duct, intake valve, air outlet flue, exhaust valve and oil sprayer or igniter, also comprise sparger; Described piston places cylinder block, and an end of described connecting rod is by wrist pin and piston interlock, and the other end of connecting rod is by crankpin and crank and bent axle interlock; Described intake duct, air outlet flue and oil sprayer or igniter place cylinder head, intake duct is connected with cylinder by intake valve, air outlet flue is connected with cylinder by exhaust valve, oil sprayer or igniter place cylinder head, and be connected with cylinder, described sparger places on the sidewall of intake duct, and sparger is connected with intake duct.
The clean multi-fuel internal combustion engine that the utility model proposes, its characteristics and advantage be, on the gas-entered passageway of internal-combustion engine, one or more spargers is installed, and according to different purposes, utilizes sparger water-spraying, methyl alcohol or ethanol in intake duct.When water-spraying in intake duct, can reduce the noxious gas emission of diesel engine greatly, and can obtain oil-saving effect.When spraying methyl alcohol in intake duct, diesel engine just can use cheapness and the clean methanol fuel of discharging, and only play ignition action with a spot of diesel oil this moment.At petrol engine, spray water in intake duct by sparger after the compression ratio of petrol engine brought up to 11-22, can reach the thermal efficiency that improves petrol engine, fuel-efficient and reduce the purpose of noxious gas emission.Improve the petrol engine behind the compression ratio, if in intake duct, spray methyl alcohol or ethanol, in the time of also can making the petrol engine proper functioning and make noxious gas emission without gasoline than the pure gasoline of use for lacking.And the higher thermal efficiency arranged.
Description of drawings
Fig. 1 is the structural representation of the clean multi-fuel internal combustion engine that the utility model proposes.
Among Fig. 1, the 1st, sparger, the 2nd, crank, the 3rd, gas-entered passageway, the 4th, intake valve, the 5th, oil sprayer or igniter, the 6th, exhaust valve, the 7th, piston, the 8th, wrist pin, the 9th, connecting rod, the 10th, bent axle, the 11st, crankshaft rotating track, the 12nd, crankpin, the 13rd, water-cooling tube, the 14th, air outlet flue, the 15th, cylinder.
Embodiment
The clean multi-fuel internal combustion engine that the utility model proposes, its structure comprise cylinder 15, piston 7, connecting rod 9, bent axle 10, intake duct 3, intake valve 4, air outlet flue 14, exhaust valve 6 and oil sprayer or igniter 5 as shown in Figure 1, also comprise sparger 1.Piston 7 places cylinder 15, and an end of connecting rod 9 links to each other with piston 7 by wrist pin 8, and the other end of connecting rod 9 is by crankpin 12 and crank 2 and bent axle 10 interlocks.Intake duct 3, air outlet flue 14 and oil sprayer or igniter 5 place cylinder head, intake duct 3 is connected with cylinder 15 by intake valve 4, air outlet flue 14 is connected with cylinder 15 by exhaust valve 6, and oil sprayer or igniter 5 place the top of cylinder 15, and is connected with cylinder.Sparger 1 places on 3 sidewalls of intake duct, and sparger 1 is connected with intake duct 3.
Difference of the present utility model and existing internal-combustion engine is that (can be intake manifold or air intake branch) installs one or more sparger on the gas-entered passageway of internal-combustion engine.As shown in fig. 1.Sparger can may also be referred to as petrol jet with the sparger that uses on the existing electronic injection gasoline engine.The oil nozzle that is used for electronic injection gasoline engine as the production of U.S. Delphi company.Also can utilize the oil feed pump of existing electronic injection gasoline engine, the oil pump of producing as U.S. Delphi company that is used for electronic injection gasoline engine provides streaming agent to sparger.As water, methyl alcohol or ethanol.The control of emitted dose can adopt the electric-control method of electronic injection gasoline engine to control according to the load of internal-combustion engine.Because methyl alcohol has corrosive action to plastics, rubber parts etc., therefore can with former petrol jet, oil feed pump and with the contacted pipe fitting of streaming agent, Sealing etc. be replaced by can anti-methyl alcohol corrosion material.As water during, the part that contacts with water and pipeline material therefor can be replaced by and be difficult for the material of being lost by scale as streaming agent.
The clean multi-fuel internal combustion engine that the utility model proposes at diesel engine, is to spray water in intake duct by sparger, to reduce intake temperature.Because the reduction of intake temperature has improved density of the induced air and air inflow.Simultaneously since diesel engine under rated load and heavy load, its combustion temperature surpasses 1400 degree, this temperature can make aqueous vapor divide and separate.Because the heat-absorbing action of water can reduce the gas temperature that compression ends, and has finally reduced the compression work of diesel engine.In the early stage and the mid-term of burning, because water is gasified, the heat-absorbing action during water decomposition can reduce maximum combustion temperature again simultaneously.In the mid-term and the later stage of burning, because gasification, decomposition after the water heat absorption, not only increased the gas pressure that gas volume has promptly increased work done, the hydrogen that water decomposition produced, oxygen can further promote burning again.And at this moment the gas pressure above the piston head is compared increase to some extent than existing diesel, thereby has improved the moment of torsion and the power of diesel engine.
The clean multi-fuel internal combustion engine that the utility model proposes at petrol engine, can adopt bigger excess air and higher compression ratio.By sparger of the present utility model, in intake duct, spray into water, utilize the heat-absorbing action of water to bring up to 11-24 to the compression ratio of petrol engine, ended in other words before igniting because the evaporation of water heat-absorbing action can guarantee that spontaneous combustion detonation does not in other words take place mixed gas when compression like this.When light mixed gas make it the burning after, water can participate in burning again in gasification with after decomposing, improved compression ratio, therefore can adopt big excessive air, it is more abundant to make it burning, simultaneously because the gasification of water is decomposed and burning is more abundant, its pressure that acts on piston head can improve, therefore finally improved the power of petrol engine, and fuel-economizing, discharge of harmful gases reduced.
The clean multi-fuel internal combustion engine that the utility model proposes at diesel engine, can utilize sparger 1 to spray into methyl alcohol or ethanol in intake duct, the diesel oil that sprays into by oil sprayer or igniter 5, main as igniting, or under the heavy load situation, suitably spray into a little diesel oil to increase power more.So just realized the purpose of the use pluralities of fuel that the utility model proposes.
The clean multi-fuel internal combustion engine that the utility model proposes, at petrol engine, after the compression ratio of petrol engine brought up to 11-24 (optimum value is 12.5-16), in intake duct, spray into methyl alcohol or ethanol by sparger 1 again, also can make the petrol engine proper functioning without gasoline, and make discharge of harmful gases and reduce when using pure gasoline.And the higher thermal efficiency arranged.
The clean multi-fuel internal combustion engine that the utility model proposes can be installed one or more spargers on the intake duct of diesel engine or petrol engine.Can be used for single cylinder engine and multi-cylinder engine.Can be horizontal, vertical, in upright arrangement, V-type, flat opposed or star-like cylinder arrangement form.Sparger wherein can be installed on the intake manifold, also can be installed on the air intake branch.
For turbocharged and intercooled diesel engine since in intake duct water spray or methyl alcohol, ethanol, can absorb the heat in the air inlet, reduce the cooler that intake temperature is used.The clean multi-fuel internal combustion engine that is used for spraying to air inlet methyl alcohol, alcohol fuel is said light the mixed gas of air and fuel in the intake duct for preventing gas of combustion, the advance angle of its IO Intake Valve Opens should be less than 40 degree angles of crank angle.When being used for petrol engine, the compression ratio of petrol engine can be mentioned 11-24. (optimum value is 12.5-16).When the compression ratio of present petrol engine is brought up to 11-24 (optimum value is 12.5-16),, also the internal-combustion engine proper functioning be can make, at this moment can methanol engine or ethanol engine be called to this internal-combustion engine without gasoline to intake port injection methyl alcohol or ethanol.Also can be installed in sparger on the admission line of pressurized machine boosting internal combustion engine.
Among the embodiment of the present utility model, one 6110 turbocharged and intercooled diesel engine is transformed by structure of the present utility model, the discharging of this machine can only reach Europe I emission standard before transforming, and transforms its exhaust index of back and is: HC+NO
X0.28%, carbon monoxide 0.3 has been better than Europe IV emission standard.
Claims (1)
1. a clean multi-fuel internal combustion engine is characterized in that this internal-combustion engine comprises cylinder, piston, connecting rod, bent axle, intake duct, intake valve, air outlet flue, exhaust valve and oil sprayer or igniter, is characterized in that also comprising sparger; Described piston places cylinder block, and an end of described connecting rod is by wrist pin and piston interlock, and the other end of connecting rod is by crankpin and crank and bent axle interlock; Described intake duct, air outlet flue and oil sprayer or igniter place cylinder head, intake duct is connected with cylinder by intake valve, air outlet flue is connected with cylinder by exhaust valve, oil sprayer or igniter place cylinder head, and be connected with cylinder, described sparger places on the sidewall of intake duct, and sparger is connected with intake duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202207006U CN201531315U (en) | 2009-11-03 | 2009-11-03 | Clean multi-fuel internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202207006U CN201531315U (en) | 2009-11-03 | 2009-11-03 | Clean multi-fuel internal combustion engine |
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| Publication Number | Publication Date |
|---|---|
| CN201531315U true CN201531315U (en) | 2010-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202207006U Expired - Fee Related CN201531315U (en) | 2009-11-03 | 2009-11-03 | Clean multi-fuel internal combustion engine |
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| CN (1) | CN201531315U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10023818B2 (en) | 2010-11-25 | 2018-07-17 | Gane Energy & Resources Pty Ltd. | Process for powering a compression ignition engine and fuel therefor |
| CN108506122A (en) * | 2018-05-12 | 2018-09-07 | 陈向红 | High compression ratio ignition internal combustion engine and its working method |
-
2009
- 2009-11-03 CN CN2009202207006U patent/CN201531315U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10023818B2 (en) | 2010-11-25 | 2018-07-17 | Gane Energy & Resources Pty Ltd. | Process for powering a compression ignition engine and fuel therefor |
| US10815441B2 (en) | 2010-11-25 | 2020-10-27 | Gane Energy & Resources Pty Ltd. | Fuel and process for powering a compression ignition engine |
| CN108506122A (en) * | 2018-05-12 | 2018-09-07 | 陈向红 | High compression ratio ignition internal combustion engine and its working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100721 Termination date: 20131103 |