CN101092917A - Automobile fuel supply system - Google Patents
Automobile fuel supply system Download PDFInfo
- Publication number
- CN101092917A CN101092917A CNA2007100624772A CN200710062477A CN101092917A CN 101092917 A CN101092917 A CN 101092917A CN A2007100624772 A CNA2007100624772 A CN A2007100624772A CN 200710062477 A CN200710062477 A CN 200710062477A CN 101092917 A CN101092917 A CN 101092917A
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- fuel
- pipe
- pot
- compressed air
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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
This invention relates to a fuel supply device of vehicles including a fuel tank, a compressed air bottle and an air pump, in which a fuel pipe and a vent pipe are set on the fuel tank, one end of the fuel pipe is connected with an oil pipe of the engine and the other is connected with the bottom of the inner cavity of the fuel tank, one end of the vent pipe is connected with a compressed air bottle and the other end is connected with the top of the cavity, which presses dimethyl ether or methyl alcohol in the fuel tank into the oil pipe of the engine with the pressure of compressed air to avoid air-blocking in the fuel pipe effectively.
Description
Technical field
The present invention relates to the motor vehicle fuel supplier, more particularly relate to a kind of automotive fuel supply device from methanol fuel to motor car engine that supply with dimethyl ether or.
Technical background
Existing automobile is a fuel with diesel oil and gasoline mainly, and its exhaust emission is big, and the petroleum resources that particularly refine diesel oil and gasoline reduce day by day, and countries in the world are all in the alternative fuel of seeking diesel oil and gasoline for this reason.
Countries in the world generally acknowledge that through development test dimethyl ether is the clean fuel that substitutes diesel oil.But because the boiling point (24.9 ℃) of dimethyl ether is low, vapor tension (under the normal temperature about 0.5MPa) height, can not supply with dimethyl ether fuel to motor with the diesel oil or the Fuel Petroleum supply system of existing automobile, in its prior art, for the dimethyl ether fuel jar is in a liquid state for the dimethyl ether in the fuel conduit of dimethyl ether to motor, avoid oil feed line to produce vapour lock, employing adds the method for soaking the formula compression pump of bathing in the dimethyl ether fuel jar, or the compressed nitrogen method of in the dimethyl ether jar, pressurizeing in the employing high-pressure nitrogen bottle through pressure regulator valve, the dimethyl ether of dimethyl ether fuel jar in the pipeline of motor fueling is in a liquid state, preceding a kind of method is soaked the inefficacy easy to wear of formula compression pump because of low bath of viscosity of dimethyl ether and methyl alcohol, a kind of method in back consumes dimethyl ether at motor will consume compressed nitrogen simultaneously, also need during the can dimethyl ether to fill high pressure nitrogen or change high-pressure nitrogen bottle to nitrogen bottle, when using up as the dimethyl ether of Chinese invention patent " low-pressure electric controlled dimethyl ether fuel injection system " (patent No. ZL00119435.6), need take the pipeline that is connected with dimethyl ether fuel jar and high-pressure nitrogen bottle apart, refuelling jar and high-pressure nitrogen bottle, use inconvenient, and the cost height is unfavorable for large-scale popularization.
Same methyl alcohol of generally acknowledging can be made the alternative fuel of gasoline, and its prior art is with fuel pump the methyl alcohol in the automotive oil tank to be pumped into the fuel conduit supply engine, has the problem that fuel pump weares and teares, working life is short, has hindered methyl alcohol and has applied on automobile.
Summary of the invention
The objective of the invention is in order to overcome the shortcoming of above-mentioned prior art, provide the dimethyl ether vaporization of effectively avoiding in fuel pot and the automotive fuel pipeline to produce vapour lock, the dimethyl ether that does not consume high pressure nitrogen, no petrolift wear failure problem and methanol vehicle fuel supplying device.
The present invention adopts following technological scheme to realize: a kind of automotive fuel supply device comprises fuel pot, compressed air bottle, air pump.Fuel pipe and breathing pipe are set on the described fuel pot, and fuel pipe one end connects the engine fuel pipe, and the other end is connected with the lower end of fuel pot inner chamber, and breathing pipe one end is connected with compressed air bottle, and the other end is connected with the upper end of fuel pot inner chamber.
The engine fuel pipe is connected by fuel conduit with fuel pot, fuel conduit sets gradually fuel filter, fuel conduit solenoid valve, fuel adding valve from a side that is connected with the fuel pipe of engine, the fuel conduit solenoid valve is connected with ECU (Electrical Control Unit), and the fuel adding valve is connected with fuel filler tube.
Air pump is connected by air pipe line with compressed air bottle, and one-way valve is set on the air pipe line; Compressed air bottle is connected with breathing pipe by pipeline, and pipeline sets gradually pressure governor, solenoid valve, bleed valve from compressed air bottle one side, and bleed valve connects the compressed air bottle Decompression valves, and solenoid valve is connected with ECU (Electrical Control Unit); Decompression valves, pressure transducer are set on the compressed air bottle, and pressure transducer is connected with the motor control unit that drives air pump.
Liquid level sensor is set in the fuel pot, and liquid level sensor is connected with liquid level display.
Fuel pot is provided with several, and the breathing pipe of adjacent fuel pot links to each other with fuel pipe.
The method that the present invention supplies with dimethyl ether and methanol vehicle fuel is as follows:
1, filling dimethyl ether (or methyl alcohol) fuel:
Shut down situation in motor car engine, fuel conduit solenoid valve and solenoid valve all are closed condition, dimethyl ether (or methyl alcohol) fuel through fuel filler tube, the fuel adding valve is pressed into jar internal pressure and is in a liquid state greater than bottom in the fuel pot of dimethyl ether saturation vapour pressure (or equal to engine spray methyl alcohol pressure) and in jar, opening bleed valve simultaneously makes the gas of fuel pot inner chamber upper end enter Decompression valves through bleed valve, keep the pressure of gas in pipeline and the fuel pot greater than the saturation vapour pressure of dimethyl ether (or equal to engine spray methyl alcohol pressure) with Decompression valves discharge section gas, make the dimethyl ether in the fuel pot keep liquid; Stop fueling when liquid dimethyl ether or methyl alcohol will be filled with in liquid level display shows fuel pot, close the fuel adding valve, close bleed valve simultaneously;
2, supply with dimethyl ether fuel to motor car engine:
(1), in the motor of start-uping a car, open the fuel conduit that is communicated with fuel pot and engine fuel pipe, utilize the compressed-air actuated pressure in fuel pot inner chamber top that the liquid dimethyl ether (or methyl alcohol) in the fuel pot is used through the fuel pipe supply motor car engine of fuel conduit input motor car engine with automatically controlled unit controls fuel conduit solenoid valve;
(2), when piloting engine, open the pipeline that is communicated with compressed air bottle and fuel pot with automatically controlled unit controls solenoid valve, pressurized air in the compressed air bottle is through pressure governor, solenoid valve and pipeline input fuel pot, keeps the interior pressure of fuel pot greater than the saturation vapour pressure of dimethyl ether (or equal to engine spray methyl alcohol pressure);
3, replenish pressurized air:
During motor car engine running consume fuel, drive or in compressed air bottle, replenish pressurized air through air pipe line, one-way valve with motor car engine, and the pressure in pressure governor makes pipeline and fuel pot is greater than the saturation vapour pressure of dimethyl ether (or equal to engine spray methyl alcohol pressure) with the electric motor driven air pump of automobile power source power supply;
4, stop to the motor car engine fueling:
When motor car engine is stopped, close the path of path, closes compression air bottle and the fuel pot of fuel pot and engine fuel pipe, keep in the fuel pot and the interior pressure of compressed air bottle with valve;
5, postcombustion:
Repeat the 1st step fueling in motor car engine shutdown situation.
Beneficial effect of the present invention: the compressed-air actuated pressure that produces with air pump is pressed into the engine fuel pipe to dimethyl ether in the fuel pot or methyl alcohol through fuel conduit, avoided interior dimethyl ether of fuel conduit and engine fuel pipe or methyl alcohol vaporization to produce the problem of vapour lock effectively, the problem of no petrolift wear out failure, do not need in the use to consume high pressure nitrogen, do not need refuelling jar and high-pressure nitrogen bottle, easy to use, good reliability, cost are low, are convenient to promote the use of.
Description of drawings
Fig. 1 is dimethyl ether and methanol vehicle fuel feeding method and the schematic representation of apparatus that a fuel pot is arranged of the present invention.
Fig. 2 is dimethyl ether and methanol vehicle fuel feeding method and the schematic representation of apparatus that two or more fuel pot are arranged of the present invention.
Among the figure: the 1-air pump, the 2-air pipe line, the 3-one-way valve, the 4-compressed air bottle, 5-compressed air bottle Decompression valves, the 6-pressure governor, the 7-solenoid valve, the 8-pipeline, the 9-fuel pot, the 10-breathing pipe, the 11-fuel pipe, the 12-fuel conduit, 13-fuel conduit solenoid valve, the 14-fuel filter, 15-fuel adding valve, the 16-bleed valve, the 17-Decompression valves, the 18-liquid level sensor, the 19-lead, the 20-liquid level display, the 21-ECU (Electrical Control Unit), the 22-circuit, 23-engine fuel pipe, the 24-fuel filler tube, the 25-pressure transducer, the 26-sensor conductor, 27 motor control units, the 28-circuit, the 29-motor
Embodiment
In conjunction with the accompanying drawings the specific embodiment of the present invention is described further.
As shown in Figure 1 of the present invention has the dimethyl ether of a fuel pot and methanol vehicle fuel supplying device to comprise air pump 1, air pipe line 2, one-way valve 3, compressed air bottle 4, compressed air bottle Decompression valves 5, pressure governor 6, solenoid valve 7, pipeline 8, fuel pot 9, fuel conduit 12, fuel conduit solenoid valve 13, fuel filter 14, fuel adding valve 15, bleed valve 16, Decompression valves 17, liquid level sensor 18, lead 19, liquid level display 20, ECU (Electrical Control Unit) 21, circuit 22, engine fuel pipe 23, fuel pot 9 is provided with breathing pipe 10 and fuel pipe 11, breathing pipe 10 1 ends are communicated with compressed air bottle 4 by pipeline 8, the other end is connected with the upper end of the inner chamber of fuel pot 9, fuel pipe 11 1 ends are communicated with engine fuel pipe 23 by fuel conduit 12, and the other end is connected with the lower end of the inner chamber of fuel pot 9; Compressed air bottle 4 is provided with pressure transducer 25, pressure transducer 25 is communicated with motor control unit 27 through sensor conductor 26, and motor control unit 27 is connected with the motor 29 that drives air pump 1 through circuit 28; Motor control unit 27 is connected with air pump 1; Air pump 1 is connected with compressed air bottle 4 through air pipe line 2, one-way valve 3, compressed air bottle 4 is connected with the upper end of the inner chamber of fuel pot 9 through the breathing pipe 10 of pressure governor 6, solenoid valve 7, pipeline 8, fuel pot 9 upper ends, and the lower end of the inner chamber of fuel pot 9 is connected with engine fuel pipe 23 through fuel pipe 11, fuel conduit 12, fuel conduit solenoid valve 13, fuel filter 14; Fuel filler tube 24 is connected with the lower end of the inner chamber of fuel pot 9 through fuel adding valve 15, fuel conduit 12, fuel pipe 11, and the upper end of the inner chamber of fuel pot 9 is connected with Decompression valves 17 through breathing pipe 10, pipeline 8, bleed valve 16; Liquid level sensor 18 is connected with liquid level display 20 through lead 19 in jar; ECU (Electrical Control Unit) 21 is connected with fuel conduit solenoid valve 13 with solenoid valve 7 through circuit 22.
The dimethyl ether of a fuel pot of the present invention as shown in Figure 1 and the method for methanol vehicle fuel supply are as follows:
1, filling dimethyl ether fuel:
Shut down situation in motor car engine, fuel conduit solenoid valve 13 and solenoid valve 7 all are closed condition, dimethyl ether fuel through fuel filler tube 24, fuel adding valve 15, fuel conduit 12, fuel pipe 11 be pressed in the fuel pot 9 that jar internal pressure is 2.5MPa and in jar the bottom be in a liquid state, opening bleed valve 16 simultaneously makes the gas of fuel pot 9 inner chambers upper end through breathing pipe 10, pipeline 8, bleed valve 16 enters Decompression valves 17, with Decompression valves 17 gas pressure during greater than 2.5MPa discharge section gas and keep pipeline 8 and fuel pot 9 in the pressure of gas about 2.5MPa, make the dimethyl ether in the fuel pot 9 keep liquid; When liquid level display 20 shows that liquid dimethyl ether will be filled with in the fuel pot 9, stop fueling, close fuel adding valve 15, close bleed valve 16 simultaneously;
2, supply with dimethyl ether fuel to motor car engine:
(1), in the motor of start-uping a car, open the fuel conduit 12 that is communicated with fuel pot 9 and engine fuel pipe 23 with ECU (Electrical Control Unit) 21 control fuel conduit solenoid valves 13, utilize the compressed-air actuated pressure in fuel pot 9 inner chamber tops to make the liquid dimethyl ether of fuel pot 9 inner chamber bottoms supply with motor car engines and use through the fuel pipe 23 of fuel pipe 11, fuel conduit 12, fuel conduit solenoid valve 13, fuel filter 14 input motor car engines;
(2), when piloting engine, open the pipeline 8 that is communicated with compressed air bottle 4 and fuel pot 9 with ECU (Electrical Control Unit) 21 control electromagnetic valve 7, pressurized air in the compressed air bottle 4 drops to 2.5MPa again through solenoid valve 7, pipeline 8, breathing pipe 10 input fuel pot 9 through pressure governor 6 pressure, makes the pressure that keeps 2.5MPa in the fuel pot 9;
3, replenish pressurized air:
During motor car engine running consume fuel, use the air pump 1 of motor 29 drivings of powering in compressed air bottle 4, to replenish pressurized air through air pipe line 2, one-way valve 3 by automobile power source, and start or close down the motor 29 that drives air pump 1 through circuit 28 according to the variation in pressure data of the pressure transducer on the compressed air bottle 4 25 in the compressed air bottle 4 that sensor conductor 26 transmits with motor control unit 27, make the pressure in the compressed air bottle 4 remain on 3～4MPa scope, and make the pressure in pipeline 8 and the fuel pot 9 remain on 2.5MPa with pressure governor 6;
4, stop to the motor car engine fueling:
When motor car engine is stopped, with ECU (Electrical Control Unit) 21 close fuel conduit solenoid valve 13 by the path of fuel pot 9 and fuel conduit 12 and fuel filter 14 and engine fuel pipe 23, close solenoid valve 7 by compressed air bottle 4, pressure governor 6 path with pipeline 8, fuel pot 9, keep the pressure in fuel pot 9 and the compressed air bottle 4;
5, postcombustion:
Repeat the 1st fueling in motor car engine shutdown situation.
Claims (4)
1, a kind of automotive fuel supply device, comprise fuel pot (9), compressed air bottle (4), air pump (1), it is characterized in that being provided with on the described fuel pot (9) fuel pipe (11) and breathing pipe (10), fuel pipe (11) one ends are communicated with engine fuel pipe (23), the other end is connected with the lower end of fuel pot (9) inner chamber, breathing pipe (10) one ends are connected with compressed air bottle (4), and the other end is connected with the upper end of fuel pot (9) inner chamber.
2, automotive fuel supply device according to claim 1, it is characterized in that engine fuel pipe (23) is connected by fuel conduit (12) with fuel pot (9), fuel conduit (12) sets gradually fuel filter (14), fuel conduit solenoid valve (13), fuel adding valve (15) from a side that is connected with the fuel pipe of engine (23), fuel conduit solenoid valve (13) is connected with ECU (Electrical Control Unit) (21), and fuel adding valve (15) is connected with fuel filler tube (24).
3, automotive fuel supply device according to claim 1 and 2 is characterized in that air pump (1) is connected by air pipe line (2) with compressed air bottle (4), is provided with one-way valve (3) on the air pipe line (2); Compressed air bottle (4) is connected with breathing pipe (10) by pipeline (8), pipeline (8) sets gradually pressure governor (6), solenoid valve (7), bleed valve (16) from compressed air bottle (4) one sides, bleed valve (16) connects compressed air bottle Decompression valves (5), and solenoid valve (7) is connected with ECU (Electrical Control Unit) (21); Decompression valves (17), pressure transducer (25) are set on the compressed air bottle (4), and pressure transducer (25) is connected with the motor control unit (27) that drives air pump (1).
4, automotive fuel supply device according to claim 3 is characterized in that described fuel pot (9) is provided with several, and the breathing pipe (10) of adjacent fuel pot (9) links to each other with fuel pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100624772A CN101092917A (en) | 2007-07-21 | 2007-07-21 | Automobile fuel supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100624772A CN101092917A (en) | 2007-07-21 | 2007-07-21 | Automobile fuel supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101092917A true CN101092917A (en) | 2007-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100624772A Pending CN101092917A (en) | 2007-07-21 | 2007-07-21 | Automobile fuel supply system |
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| Country | Link |
|---|---|
| CN (1) | CN101092917A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431682A (en) * | 2011-09-30 | 2012-05-02 | 山东碧海包装材料有限公司 | Hydrogen peroxide circulating supply system of filling machine |
| CN102498283A (en) * | 2009-07-06 | 2012-06-13 | 洋马株式会社 | DME fuel supply method and DME fuel supply system |
| CN102808711A (en) * | 2012-08-14 | 2012-12-05 | 李恒 | Compressed-air oil tank oil supply system |
| CN102828839A (en) * | 2012-09-14 | 2012-12-19 | 李恒 | Double-fuel oil path control system |
| CN103133161A (en) * | 2013-03-15 | 2013-06-05 | 周继光 | Engine ether fuel feeding control system |
| CN103670841A (en) * | 2013-12-18 | 2014-03-26 | 武汉中醇化汽车新能源有限公司 | Back-pressure-type alcohol fuel conveying system and conveying method |
| CN104265450A (en) * | 2014-09-26 | 2015-01-07 | 北京海德利森科技有限公司 | Methanol-based fuel high-pressure supplying device |
| CN106991860A (en) * | 2017-04-24 | 2017-07-28 | 北京航天试验技术研究所 | A kind of kidney-yang simulation generator and control method |
| CN106997700A (en) * | 2017-04-24 | 2017-08-01 | 北京航天试验技术研究所 | A kind of fuel feed system and kidney-yang simulation generator |
| CN107025817A (en) * | 2017-04-24 | 2017-08-08 | 北京航天试验技术研究所 | A kind of fuel feed system and kidney-yang simulation generator |
| CN109529722A (en) * | 2018-12-20 | 2019-03-29 | 山东玉皇化工有限公司 | A kind of method and apparatus of low boiling material to high-pressure installation continuous feed |
| CN110271867A (en) * | 2018-03-14 | 2019-09-24 | 正泰集团股份有限公司 | Solid-state hydrogenation plant |
| CN111706450A (en) * | 2020-06-29 | 2020-09-25 | 东风商用车有限公司 | Dual-fuel supply system |
| CN111810331A (en) * | 2020-06-05 | 2020-10-23 | 东风商用车有限公司 | Gas-driven liquid fuel supply system and using method thereof |
-
2007
- 2007-07-21 CN CNA2007100624772A patent/CN101092917A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102498283A (en) * | 2009-07-06 | 2012-06-13 | 洋马株式会社 | DME fuel supply method and DME fuel supply system |
| CN102498283B (en) * | 2009-07-06 | 2014-03-12 | 洋马株式会社 | DME fuel supply method and DME fuel supply system |
| CN102431682A (en) * | 2011-09-30 | 2012-05-02 | 山东碧海包装材料有限公司 | Hydrogen peroxide circulating supply system of filling machine |
| CN102808711A (en) * | 2012-08-14 | 2012-12-05 | 李恒 | Compressed-air oil tank oil supply system |
| CN102828839A (en) * | 2012-09-14 | 2012-12-19 | 李恒 | Double-fuel oil path control system |
| CN103133161A (en) * | 2013-03-15 | 2013-06-05 | 周继光 | Engine ether fuel feeding control system |
| CN103670841B (en) * | 2013-12-18 | 2015-09-16 | 武汉中醇化汽车新能源有限公司 | Back pressure type Aalcohols fuel transporting system and delivery method |
| CN103670841A (en) * | 2013-12-18 | 2014-03-26 | 武汉中醇化汽车新能源有限公司 | Back-pressure-type alcohol fuel conveying system and conveying method |
| CN104265450A (en) * | 2014-09-26 | 2015-01-07 | 北京海德利森科技有限公司 | Methanol-based fuel high-pressure supplying device |
| CN106991860A (en) * | 2017-04-24 | 2017-07-28 | 北京航天试验技术研究所 | A kind of kidney-yang simulation generator and control method |
| CN106997700A (en) * | 2017-04-24 | 2017-08-01 | 北京航天试验技术研究所 | A kind of fuel feed system and kidney-yang simulation generator |
| CN107025817A (en) * | 2017-04-24 | 2017-08-08 | 北京航天试验技术研究所 | A kind of fuel feed system and kidney-yang simulation generator |
| CN110271867A (en) * | 2018-03-14 | 2019-09-24 | 正泰集团股份有限公司 | Solid-state hydrogenation plant |
| CN109529722A (en) * | 2018-12-20 | 2019-03-29 | 山东玉皇化工有限公司 | A kind of method and apparatus of low boiling material to high-pressure installation continuous feed |
| CN111810331A (en) * | 2020-06-05 | 2020-10-23 | 东风商用车有限公司 | Gas-driven liquid fuel supply system and using method thereof |
| CN111706450A (en) * | 2020-06-29 | 2020-09-25 | 东风商用车有限公司 | Dual-fuel supply system |
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