CN205559064U - Nimble fuel engine - Google Patents
Nimble fuel engine Download PDFInfo
- Publication number
- CN205559064U CN205559064U CN201620139548.9U CN201620139548U CN205559064U CN 205559064 U CN205559064 U CN 205559064U CN 201620139548 U CN201620139548 U CN 201620139548U CN 205559064 U CN205559064 U CN 205559064U
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- CN
- China
- Prior art keywords
- fuel
- engine
- exhaust
- charger
- compression ratio
- 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
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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
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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
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- Output Control And Ontrol Of Special Type Engine (AREA)
- Supercharger (AREA)
Abstract
The utility model discloses a nimble fuel engine, including booster part, switching control section, fuel injection part and engine compression ratio part, booster part adopt intake pressure that multistage exhaust gas turbocharger improves the engine and admit air density, switching control section adopt the fuel kind that the engine used to switch control mode, the utility model discloses according to catch fire engine and spark ignition engine's development status of compression, take certain pressure boost technique and control technique, design and press the engine of scaling at both overlap area's used pluralities of fuel.
Description
Technical field
The utility model relates to one can use gasoline, natural gas and diesel oil pluralities of fuel, especially realizes the engine that the control of multifuel firing and compression ratio control with pressure ratio.
Background technology
Engine is a kind of power set that the energy conversion of nature becomes mechanical energy, and it plays very important effect to life and the development of the mankind.
At present, engine is divided into gasoline engine, natural gas and diesel engine three major types according to the situation of the fuel used.But three major types engine formulates corresponding fuel feed system and combustion system according to the character of respective fuel, thus, the engine that can use pluralities of fuel is little.
Spark ignition engine combustion mixture be formed by intake port injection or in-cylinder direct-jet, ignition mode is spark ignitor；The formation of compression ignition engines combustible gaseous mixture is in-cylinder direct-jet, and ignition mode is compression ignition.Deflagration phenomenon due to spark ignition engine so that it is compression ratio can not be too high；Owing to the ignition mode of compression ignition engine is compression ignition so that it is compression ratio can not be too low.
For spark ignition engine, improve compression ratio and in-cylinder direct-jetization can improve its dynamic property and economy；And high pressure-charging and super high pressure-charging compression ignition engine reduce compression ratio, vibration and combustion noise can be reduced.Along with the continuous lifting of engine technology, the compression ratio of in-cylinder direct-jet spark ignition engine can reach 14, and the compression ratio of compression ignition engine can be down to 12, it is seen then that both compression ratios occur in that overlap.Engine booster technology can make the amount of fresh air of entrance engine increase, and makes the density of the induced air of engine improve, thus improves the peak power output of engine.
The utility model, according to compression ignition engine and the current situation of spark ignition engine, is taked certain supercharging technology and control technology, is designed the compression ratio engine at the burning pluralities of fuel of both overlapping regions.
Utility model content
The purpose of this utility model is to provide and a kind of can solve engine in use requirement to gasoline, natural gas and diesel oil with burns gasoline, natural gas and the new work engine of diesel oil pluralities of fuel.
The utility model is by the following technical solutions:
A kind of flexible fuel engine, divides and engine compression ratio part including booster part, switching control part, fuel injection portion；Described booster part uses multistage exhaust-driven turbo-charger exhaust-gas turbo charger to improve admission pressure and the density of the induced air of engine；The fuel type that described switching control part uses engine to be used switches over control mode: when using gasoline or natural gas, engine is switched to spark ignition modes, can enable spark plug and light gasoline or natural gas gaseous mixture in spark ignition modes；When combustion diesel fuel, then switch to compression ignition pattern, close spark plug, make diesel oil gaseous mixture compression ignition voluntarily；Described fuel injection portion is divided into gasoline or natural gas and diesel oil to share same fuel supply system, carries out in-cylinder direct-jet by same fuel injector；The described compression ratio that engine compression ratio part is engine is in spark ignition engine and compression ignition engine compression ratio overlapping region, it is achieved gasoline, natural gas and diesel oil are used in conjunction with.
Described booster part includes the first order exhaust-driven turbo-charger exhaust-gas turbo charger with cylinder head air inlet passage UNICOM, second level exhaust-driven turbo-charger exhaust-gas turbo charger；Described fuel supply system includes diesel fuel tanks, petrol tank, air accumulator, and diesel fuel tanks, petrol tank, air accumulator import Fuel switching valve by entering fuel channel, and Fuel switching valve is by being connected to high pressure fuel pump for fuel manifold；Described fuel injection portion is divided and is included high pressure fuel pump and fuel nozzle, and fuel nozzle is connected with high pressure fuel pump；Described engine compression ratio part be compression ratio be the engine of 12-14, the air inlet side of engine, exhaust side are connected to first order charge air cooler, second level charge air cooler, first order exhaust-driven turbo-charger exhaust-gas turbo charger, second level exhaust-driven turbo-charger exhaust-gas turbo charger.
Be connected with diesel fuel tanks, petrol tank enters to be separately installed with in fuel channel diesel fuel filter, gasoline filter.
The utility model compared with prior art, has the following advantages that and beneficial effect:
1, conventional engines has certain requirement to the fuel used, and this engine can use existing three big main flow fuel i.e. gasoline, natural gas and diesel oil as power fuel.
2, this engine uses multi-stage booster technology, can improve the peak power of engine further, make fuel make full use of as far as possible.
3, for diesel fuel mode, the relatively low compression ratio of engine can improve vibration and the combustion noise of engine, improves comfortableness.
4, for spark ignition modes, the compression ratio that engine is higher can improve its dynamic property and economy, economy especially plays especially significant effect, significantly reduces fuel consumption.
5, for the automobile equipped with this engine, according to local gas station's distribution situation and user, the requirement of fuel can be chosen.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that air inlet of the present utility model is given vent to anger schematic diagram.
Detailed description of the invention
See accompanying drawing, a kind of flexible fuel engine, divide and engine compression ratio part including booster part, switching control part, fuel injection portion；Booster part uses multistage exhaust-driven turbo-charger exhaust-gas turbo charger to improve admission pressure and the density of the induced air of engine；The fuel type that described switching control part uses engine to be used switches over control mode: when using gasoline or natural gas, engine is switched to spark ignition modes, can enable spark plug and light gasoline or natural gas gaseous mixture in spark ignition modes；When combustion diesel fuel, then switch to compression ignition pattern, close spark plug, make diesel oil gaseous mixture compression ignition voluntarily；Described fuel injection portion is divided into gasoline or natural gas and diesel oil to share same fuel supply system, carries out in-cylinder direct-jet by same fuel injector；The described compression ratio that engine compression ratio part is engine is in spark ignition engine and compression ignition engine compression ratio overlapping region, it is achieved gasoline, natural gas and diesel oil can use.
Booster part includes the first order exhaust-driven turbo-charger exhaust-gas turbo charger 1 with cylinder head air inlet passage UNICOM, second level exhaust-driven turbo-charger exhaust-gas turbo charger 2；Fuel supply system includes diesel fuel tanks 3, petrol tank 4, air accumulator 5, diesel fuel tanks 3, petrol tank 4, air accumulator 5 import Fuel switching valve 7 by entering fuel channel 6, Fuel switching valve 7 is by being connected to high pressure fuel pump 9 for fuel manifold 8, and be connected with diesel fuel tanks 3, petrol tank 4 enters to be separately installed with in fuel channel 6 diesel fuel filter 10, gasoline filter 11；Fuel injection portion is divided and is included high pressure fuel pump 9 and fuel nozzle 13, fuel nozzle 13 side is provided with spark plug 12, fuel nozzle 13 is connected with high pressure fuel pump 9, engine compression ratio part be compression ratio be the engine 14 of 12-14, the air inlet side 17 of engine 14, side 18 of giving vent to anger are connected to first order charge air cooler 15, second level charge air cooler 16, first order exhaust-driven turbo-charger exhaust-gas turbo charger 1, second level exhaust-driven turbo-charger exhaust-gas turbo charger 2.
The utility model is to provide a kind of engine using pluralities of fuel, according to the difference of fuel, is suitable for the demand of engine by the switching of control model.The course of work of this engine is identical with the course of work of conventional engines.Diesel oil and gasoline, natural gas inject directly into cylinder by identical or different nozzle；Intake process uses multi-stage booster to increase admission pressure, reaches the burning condition requirement of diesel oil, gasoline and natural gas engine.When using gasoline or natural gas, switch to spark ignition modes by control system, start spark plug, light gasoline or natural gas combustion mixture, it is achieved gasoline or natural gas normal combustion；When combustion diesel fuel, switch to compression ignition pattern by control system, close spark plug, make diesel oil, under the common effect of high admission pressure and compression ratio, diesel oil gaseous mixture be carried out compression ignition, it is achieved the normal combustion of diesel oil.
Claims (3)
1. a flexible fuel engine, it is characterised in that include that booster part, switching control part, fuel injection portion are divided and engine compression ratio part；Described booster part uses multistage exhaust-driven turbo-charger exhaust-gas turbo charger to improve admission pressure and the density of the induced air of engine；The fuel type that described switching control part uses engine to be used switches over control mode: when using gasoline or natural gas, engine is switched to spark ignition modes, can enable spark plug and light gasoline or natural gas gaseous mixture in spark ignition modes；When combustion diesel fuel, then switch to compression ignition pattern, close spark plug, make diesel oil gaseous mixture compression ignition voluntarily；Described fuel injection portion is divided into gasoline or natural gas and diesel oil to share same fuel supply system, carries out in-cylinder direct-jet by same fuel injector；The described compression ratio that engine compression ratio part is engine is in spark ignition engine and compression ignition engine compression ratio overlapping region, it is achieved gasoline, natural gas and diesel oil are used in conjunction with.
Flexible fuel engine the most according to claim 1, it is characterised in that described booster part includes the first order exhaust-driven turbo-charger exhaust-gas turbo charger with cylinder head air inlet passage UNICOM, second level exhaust-driven turbo-charger exhaust-gas turbo charger；Described fuel supply system includes diesel fuel tanks, petrol tank, air accumulator, and diesel fuel tanks, petrol tank, air accumulator import Fuel switching valve by entering fuel channel, and Fuel switching valve is by being connected to high pressure fuel pump for fuel manifold；Described fuel injection portion is divided and is included high pressure fuel pump and fuel nozzle, and fuel nozzle is connected with high pressure fuel pump；Described engine compression ratio part be compression ratio be the engine of 12-14, the air inlet side of engine, exhaust side are connected to first order charge air cooler, second level charge air cooler, first order exhaust-driven turbo-charger exhaust-gas turbo charger, second level exhaust-driven turbo-charger exhaust-gas turbo charger.
Flexible fuel engine the most according to claim 1, it is characterised in that be connected with diesel fuel tanks, petrol tank enters to be separately installed with in fuel channel diesel fuel filter, gasoline filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620139548.9U CN205559064U (en) | 2016-02-24 | 2016-02-24 | Nimble fuel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620139548.9U CN205559064U (en) | 2016-02-24 | 2016-02-24 | Nimble fuel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205559064U true CN205559064U (en) | 2016-09-07 |
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ID=56818421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620139548.9U Expired - Fee Related CN205559064U (en) | 2016-02-24 | 2016-02-24 | Nimble fuel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205559064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986889A (en) * | 2016-02-24 | 2016-10-05 | 安徽天沃重工机械有限公司 | Flexible fuel engine |
-
2016
- 2016-02-24 CN CN201620139548.9U patent/CN205559064U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986889A (en) * | 2016-02-24 | 2016-10-05 | 安徽天沃重工机械有限公司 | Flexible fuel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Flexible fuel engine control system and control method Effective date of registration: 20171220 Granted publication date: 20160907 Pledgee: Merchants Bank Limited by Share Ltd. Ma'anshan branch Dangtu Pledgor: ANHUI TIANWO HEAVY INDUSTRY MACHINERY CO.,LTD. Registration number: 2017340000430 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20200224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221123 Granted publication date: 20160907 Pledgee: Merchants Bank Limited by Share Ltd. Ma'anshan branch Dangtu Pledgor: ANHUI TIANWO HEAVY INDUSTRY MACHINERY CO.,LTD. Registration number: 2017340000430 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |