CN106368855A - Fuel supply system and fuel supply method - Google Patents
Fuel supply system and fuel supply method Download PDFInfo
- Publication number
- CN106368855A CN106368855A CN201611013523.5A CN201611013523A CN106368855A CN 106368855 A CN106368855 A CN 106368855A CN 201611013523 A CN201611013523 A CN 201611013523A CN 106368855 A CN106368855 A CN 106368855A
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- Prior art keywords
- fuel
- pressure
- nozzle
- regulator
- tank
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0248—Injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0221—Fuel storage reservoirs, e.g. cryogenic tanks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
- F02M21/0239—Pressure or flow regulators therefor
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a fuel supply system and a fuel supply method. The fuel supply system comprises a fuel nozzle (7) used for ejecting a fuel towards the interior of an engine (8), an electronic fuel injection system (6) electrically connected with the fuel nozzle (7) and used for controlling an ejection pulse width of the fuel nozzle (7), a fuel box (1), a fuel pump (2) connected with the fuel nozzle (7) and the fuel box (1) respectively through a pipeline, and used for pumping the fuel in the fuel box (1) towards the fuel nozzle (7), a pressure sensor (4) arranged on a position located between the fuel pump (2) and the fuel nozzle (7), of the pipeline, and used for detecting a fuel supply pressure, and a pressure adjustment device electrically connected with the pressure sensor (4) and used for adjusting the fuel supply pressure according to the air-fuel ratio of the fuel. According to the fuel supply system and the fuel supply method, which are disclosed by the invention, the service life of the fuel nozzle is not influenced while an alternative fuel with high environmental friendliness is utilized; and high practicability is achieved.
Description
Technical field
The present invention relates to field of vehicle equipment, more particularly, to a kind of fuel system and method.
Background technology
Fast development and environmental conservation with automobile industry are increasingly taken seriously, and people increasingly see heavy fuel
Economy and the feature of environmental protection, then start with the preferable substitute fuel of some feature of environmental protection, such as methanol etc..But the air-fuel of substitute fuel
There is larger difference than with gasoline, the air-fuel ratio of such as methanol is 6.4 about, the air-fuel ratio of gasoline is 14.7 about；Further
Ground, in the existing fuel system being exclusively used in gasoline, fuel supply pressure is constant.If in existing fuel supply
When adopting methanol in system, the methanol injection pulse width that fuel nozzle sprays during methanol sprays arteries and veins than gasoline during its injected petrol
More than width is twice.This situation can cause very big negative effect to the service life of fuel nozzle, is more seriously to work as combustion
During the fuel flow rate deficiency that material nozzle is sprayed, electromotor probably cannot normally use.
Content of the invention
The present invention is directed in the existing fuel system being exclusively used in gasoline, and fuel supply pressure is constant.If
When adopting methanol in existing fuel system, the methanol injection pulse width that fuel nozzle sprays during methanol sprays vapour than it
More than gasoline injection pulse width when oily is twice.This situation can cause very big negative shadow to the service life of fuel nozzle
Ring, be more seriously, when the fuel flow rate that fuel nozzle is sprayed is not enough, what electromotor probably cannot normally use asks
Topic is it is proposed that a kind of fuel system and method.
The technical scheme that the present invention is directed to above-mentioned technical problem and proposes is as follows:
The present invention proposes a kind of fuel system, including for the fuel nozzle to spray fuel in electromotor, with
Fuel nozzle is electrically connected with, the electronic fuel injected system for controlling the injection pulse width of fuel nozzle, and fuel tank passes through respectively
Pipeline is connected with fuel nozzle and fuel tank, is arranged on pipe for by the petrolift in fuel tank to the petrolift of fuel nozzle
On the position between petrolift and fuel nozzle in road, for detect fuel supply pressure pressure transducer and with pressure
Force transducer is electrically connected with, adjusts for the air-fuel ratio according to fuel the regulator of fuel supply pressure.
In the above-mentioned fuel system of the present invention, regulator includes processor, this processor respectively with pressure sensing
Device and petrolift are electrically connected with, for adjusting fuel supply pressure by adjusting fuel pump discharge.
In the above-mentioned fuel system of the present invention, also include being connected with fuel nozzle and fuel tank by pipeline respectively
Pressure regulator.
In the above-mentioned fuel system of the present invention, regulator also include multiple pass through respectively pipeline and fuel nozzle and
The pressure regulator that fuel tank connects, correspond with multiple pressure regulators, be used for being respectively turned on or close to control corresponding
Multiple stop valves of pressure regulator working condition and processor；This processor respectively with pressure transducer and multiple stop valve
It is electrically connected with, for fuel supply pressure is adjusted by the quantity of adjustment cut-off valve closure.
In the above-mentioned fuel system of the present invention, regulator also includes passing through respectively pipeline and fuel nozzle and fuel
The pressure regulator that case connects, is connected with pressure regulator, is used for adjusting the guiding mechanism of the pretightning force of pressure regulator spring
And processor；This processor is electrically connected with pressure transducer and guiding mechanism respectively, for adjusting pressure by guiding mechanism
The pretightning force of draught control mechanism spring is adjusting fuel supply pressure.
In the above-mentioned fuel system of the present invention, also include being connected with processor communication, for sending combustion to processor
The input equipment of the air-fuel ratio of material.
In the above-mentioned fuel system of the present invention, input equipment is car-mounted terminal or external smart terminal.
In the above-mentioned fuel system of the present invention, when fuel tank adopts the second fuel or the second fuel and the first combustion
When the fuel combination of material is to substitute the first fuel, regulator is used for being adjusted to fuel supply pressure p:
Wherein, λaAir-fuel ratio for the first fuel；
λbAir-fuel ratio for the second fuel；
ρaDensity for the first fuel；
ρbDensity for the second fuel；
ε is the mass percent in fuel tank shared by the first fuel；
1- ε is the mass percent in fuel tank shared by the second fuel；
paBy fuel system in the fuel supply pressure being adopted when in fuel tank using the first fuel.
The invention allows for a kind of fuel feeding method, comprise the following steps:
Step s1, to substitute the first fuel using alternative fuel when fuel tank, alternative fuel is the second fuel or second
During the fuel combination of fuel and the first fuel, using regulator, fuel supply pressure p is adjusted to:
Wherein, λaAir-fuel ratio for the first fuel；
λbAir-fuel ratio for the second fuel；
ρaDensity for the first fuel；
ρbDensity for the second fuel；
ε is the mass percent in fuel tank shared by the first fuel；
1- ε is the mass percent in fuel tank shared by the second fuel；
paBy fuel system in the fuel supply pressure being adopted when in fuel tank using the first fuel；
Step s2, using fuel nozzle spray alternative fuel.
The different fuel that the fuel system of the present invention and method are adopted for fuel system, as far as possible will
On the premise of the fluctuation range of the injection pulse width that fuel nozzle is sprayed is limited in a narrower range, using regulator pair
Fuel supply pressure is suitably adjusted, it is possible to achieve make fuel supply flow meet use requirement；The fuel supply of the present invention
System and method, while the substitute fuel higher using the feature of environmental protection, does not also affect the service life of fuel nozzle, practicality
By force.
Brief description
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 shows the schematic diagram of the fuel system of first embodiment of the invention；
Fig. 2 shows the schematic diagram of the fuel system of second embodiment of the invention；
Fig. 3 shows the schematic diagram of the fuel system of third embodiment of the invention.
Specific embodiment
The technical problem to be solved is: in the existing fuel system being exclusively used in gasoline, fuel supplies
Pressure is answered to be constant.If adopt methanol in existing fuel system, fuel nozzle sprays methanol spray during methanol
Penetrate pulsewidth more than gasoline injection pulse width during its injected petrol is twice.This situation can be to the service life of fuel nozzle
Cause very big negative effect, be more seriously, when the fuel flow rate that fuel nozzle is sprayed is not enough, electromotor is very possible
Cannot normally use.The technical thought that the present invention proposes with regard to this technical problem is: is adopted not for fuel system
Same fuel, is limited to the premise in a narrower range in the fluctuation range of the injection pulse width being sprayed fuel nozzle as far as possible
Under, using regulator, fuel supply pressure is suitably adjusted, it is possible to achieve make fuel supply flow meet use requirement.
In order that the technical purpose of the present invention, technical scheme and technique effect are apparent, in order to art technology
Personnel understand and implement the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and the specific embodiments.
First embodiment
As shown in figure 1, Fig. 1 shows the schematic diagram of the fuel system of first embodiment of the invention.Fuel supply system
System includes, for the fuel nozzle 7 to spray fuel in electromotor 8, being electrically connected with, being used for controlling fuel nozzle with fuel nozzle 7
The electronic fuel injected system 6 of 7 injection pulse width, fuel tank 1, be connected with fuel nozzle 7 and fuel tank 1 by pipeline respectively,
For by petrolift 2 from the petrolift in fuel tank 1 to fuel nozzle 7, be arranged on pipeline positioned at petrolift 2 and fuel nozzle
On position between 7, for detecting the pressure transducer 4 of fuel supply pressure and being electrically connected with, be used for pressure transducer 4
Air-fuel ratio according to fuel adjusts the regulator of fuel supply pressure.So, using electronic fuel injected system 6 by fuel
(it is appreciated that under ideal conditions, injection pulse width can for the premise that the injection pulse width of nozzle 7 is limited in a narrower scope
To keep constant) under, by adjusting fuel supply pressure, fuel supply flow can be made to meet use requirement.
Further, regulator includes processor 3, and this processor 3 is electrical with pressure transducer 4 and petrolift 2 respectively
Connect, for adjusting fuel supply pressure by adjusting petrolift 2 flow.It is appreciated that the regulation of petrolift 2 flow is permissible
By adjusting the rotating speed of petrolift 2 impeller, petrolift 2 exports the methods such as valve opening, petrolift 2 impeller channel quantity and realizes.
Further, fuel system also includes the pressure being connected with fuel nozzle 7 and fuel tank 1 respectively by pipeline
Actuator 5.In the present embodiment, pressure regulator 5 mainly serves for ensuring fuel supply pressure and is in certain limit, thus protecting
The effect of card fuel system security provisions fuel.
It is appreciated that fuel system also includes being connected with processor 3 communication, for sending fuel to processor 3
The input equipment (not shown) of air-fuel ratio.This input equipment can be car-mounted terminal or external smart terminal etc..
When fuel tank 1 to substitute the first fuel using the fuel combination of the second fuel or the second fuel and the first fuel
When, regulator (or processor 3) is used for being adjusted to fuel supply pressure p:
Wherein, λaAir-fuel ratio for the first fuel；
λbAir-fuel ratio for the second fuel；
ρaDensity for the first fuel；
ρbDensity for the second fuel；
ε is the mass percent in fuel tank 1 shared by first fuel；
1- ε is the mass percent in fuel tank 1 shared by second fuel；
paBy fuel system in the fuel supply pressure being adopted when in fuel tank 1 using the first fuel.At this
In embodiment, by the calculating formula using above-mentioned fuel supply pressure p, it is to avoid when fuel system replaces fuel pair
Recalculating of fuel supply flow, decreases the workload of calculating.
Second embodiment
As shown in Fig. 2 Fig. 2 shows the schematic diagram of the fuel system of second embodiment of the invention.Fuel supply system
System includes, for the fuel nozzle 7 to spray fuel in electromotor 8, being electrically connected with, being used for controlling fuel nozzle with fuel nozzle 7
The electronic fuel injected system 6 of 7 injection pulse width, fuel tank 1, be connected with fuel nozzle 7 and fuel tank 1 by pipeline respectively,
For by petrolift 2 from the petrolift in fuel tank 1 to fuel nozzle 7, be arranged on pipeline positioned at petrolift 2 and fuel nozzle
On position between 7, for detecting the pressure transducer 4 of fuel supply pressure and being electrically connected with, be used for pressure transducer 4
Air-fuel ratio according to fuel adjusts the regulator of fuel supply pressure.So, using electronic fuel injected system 6 by fuel
(it is appreciated that under ideal conditions, injection pulse width can for the premise that the injection pulse width of nozzle 7 is limited in a narrower scope
To keep constant) under, by adjusting fuel supply pressure, fuel supply flow can be made to meet use requirement.
Further, regulator also includes multiple pressure being connected with fuel nozzle 7 and fuel tank 1 respectively by pipeline
Actuator 5, corresponds, is used for being respectively turned on or closing controlling corresponding pressure actuator 5 to work with multiple pressure regulators 5
Multiple stop valves 9 of state and processor 3；This processor 3 is electrically connected with pressure transducer 4 and multiple stop valve 9 respectively,
Adjust fuel supply pressure for the quantity by adjusting stop valve 9 closing.Here, when stop valve 9 turns on, its correspondence
Pressure regulator 5 in running order；When stop valve 9 is closed, its corresponding pressure actuator 5 is in the state of quitting work.
Further, fuel system also includes being connected with processor 3 communication, for sending fuel to processor 3
The input equipment (not shown) of air-fuel ratio.This input equipment can be car-mounted terminal or external smart terminal etc..
When fuel tank 1 to substitute the first fuel using the fuel combination of the second fuel or the second fuel and the first fuel
When, regulator (or processor 3) is used for being adjusted to fuel supply pressure p:
Wherein, λaAir-fuel ratio for the first fuel；
λbAir-fuel ratio for the second fuel；
ρaDensity for the first fuel；
ρbDensity for the second fuel；
ε is the mass percent in fuel tank 1 shared by first fuel；
1- ε is the mass percent in fuel tank 1 shared by second fuel；
paBy fuel system in the fuel supply pressure being adopted when in fuel tank 1 using the first fuel.At this
In embodiment, by the calculating formula using above-mentioned fuel supply pressure p, it is to avoid when fuel system replaces fuel pair
Recalculating of fuel supply flow, decreases the workload of calculating.
3rd embodiment
As shown in figure 3, Fig. 3 shows the schematic diagram of the fuel system of third embodiment of the invention.Fuel supply system
System includes, for the fuel nozzle 7 to spray fuel in electromotor 8, being electrically connected with, being used for controlling fuel nozzle with fuel nozzle 7
The electronic fuel injected system 6 of 7 injection pulse width, fuel tank 1, be connected with fuel nozzle 7 and fuel tank 1 by pipeline respectively,
For by petrolift 2 from the petrolift in fuel tank 1 to fuel nozzle 7, be arranged on pipeline positioned at petrolift 2 and fuel nozzle
On position between 7, for detecting the pressure transducer 4 of fuel supply pressure and being electrically connected with, be used for pressure transducer 4
Air-fuel ratio according to fuel adjusts the regulator of fuel supply pressure.So, using electronic fuel injected system 6 by fuel
(it is appreciated that under ideal conditions, injection pulse width can for the premise that the injection pulse width of nozzle 7 is limited in a narrower scope
To keep constant) under, by adjusting fuel supply pressure, fuel supply flow can be made to meet use requirement.
Further, the pressure that regulator also includes being connected with fuel nozzle 7 and fuel tank 1 by pipeline respectively is adjusted
Device 5, is connected with pressure regulator 5, is used for adjusting the guiding mechanism 10 of pretightning force and the processor 3 of pressure regulator 5 spring；
This processor 3 is electrically connected with pressure transducer 4 and guiding mechanism 10 respectively, adjusts for adjusting pressure by guiding mechanism 10
The pretightning force of device 5 spring is adjusting fuel supply pressure.
Further, fuel system also includes being connected with processor 3 communication, for sending fuel to processor 3
The input equipment (not shown) of air-fuel ratio.This input equipment can be car-mounted terminal or external smart terminal etc..
When fuel tank 1 to substitute the first fuel using the fuel combination of the second fuel or the second fuel and the first fuel
When, regulator (or processor 3) is used for being adjusted to fuel supply pressure p:
Wherein, λaAir-fuel ratio for the first fuel；
λbAir-fuel ratio for the second fuel；
ρaDensity for the first fuel；
ρbDensity for the second fuel；
ε is the mass percent in fuel tank 1 shared by first fuel；
1- ε is the mass percent in fuel tank 1 shared by second fuel；
paBy fuel system in the fuel supply pressure being adopted when in fuel tank 1 using the first fuel.At this
In embodiment, by the calculating formula using above-mentioned fuel supply pressure p, it is to avoid when fuel system replaces fuel pair
Recalculating of fuel supply flow, decreases the workload of calculating.
The invention allows for a kind of fuel supplier of the fuel system based on first embodiment -3rd embodiment
Method, comprises the following steps:
Step s1, to substitute the first fuel using alternative fuel when fuel tank 1, alternative fuel is the second fuel or the
During the fuel combination of two fuel and the first fuel, using regulator, fuel supply pressure p is adjusted to:
Wherein, λaAir-fuel ratio for the first fuel；
λbAir-fuel ratio for the second fuel；
ρaDensity for the first fuel；
ρbDensity for the second fuel；
ε is the mass percent in fuel tank 1 shared by first fuel；
1- ε is the mass percent in fuel tank 1 shared by second fuel；
paBy fuel system in the fuel supply pressure being adopted when in fuel tank 1 using the first fuel；
Step s2, using fuel nozzle 7 spray alternative fuel.
For example, when the first fuel is gasoline, and alternative fuel is methanol, λaFor 14.7；ρaFor 0.72g/cm3；paFor
0.3mpa；λbFor 6.52；ρbFor 0.79g/cm3；ε is 0；
Then there is fuel supply pressure
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted,
And all these modifications and variations all should belong to the protection domain of claims of the present invention.
Claims (9)
1. a kind of fuel system is it is characterised in that include for the fuel nozzle (7) to the interior spray fuel of electromotor (8),
It is electrically connected with, is used for controlling the electronic fuel injected system (6) of the injection pulse width of fuel nozzle (7), fuel with fuel nozzle (7)
Case (1), is connected with fuel nozzle (7) and fuel tank (1) by pipeline respectively, is used for the petrolift in fuel tank (1) to combustion
The petrolift (2) of material nozzle (7), is arranged on the position between petrolift (2) and fuel nozzle (7) of pipeline, is used for
The pressure transducer (4) of detection fuel supply pressure and with pressure transducer (4) be electrically connected with, for according to the air-fuel of fuel
Regulator than adjustment fuel supply pressure.
2. fuel system according to claim 1 is it is characterised in that regulator includes processor (3), this process
Device (3) is electrically connected with pressure transducer (4) and petrolift (2) respectively, for adjusting combustion by adjusting petrolift (2) flow
Material supply pressure.
3. fuel system according to claim 2 is it is characterised in that also include passing through respectively pipeline and fuel nozzle
And the pressure regulator (5) that connects of fuel tank (1) (7).
4. fuel system according to claim 1 it is characterised in that regulator also include multiple respectively pass through pipe
The pressure regulator (5) that road is connected with fuel nozzle (7) and fuel tank (1), corresponds, uses with multiple pressure regulators (5)
In being respectively turned on or close multiple stop valves (9) and the processor (3) to control corresponding pressure actuator (5) working condition；
This processor (3) is electrically connected with pressure transducer (4) and multiple stop valve (9) respectively, for by adjusting stop valve (9) envelope
The quantity closed is adjusting fuel supply pressure.
5. fuel system according to claim 1 it is characterised in that regulator also include respectively pass through pipeline with
The pressure regulator (5) that fuel nozzle (7) and fuel tank (1) connect, is connected with pressure regulator (5), is used for adjusting pressure and adjusts
The guiding mechanism (10) of pretightning force of section device (5) spring and processor (3)；This processor (3) respectively with pressure transducer (4)
It is electrically connected with guiding mechanism (10), the pretightning force for being adjusted pressure regulator (5) spring by guiding mechanism (10) is adjusted
Whole fuel supply pressure.
6. the fuel system according to claim 2-5 any one is it is characterised in that also include and processor (3)
Communication connects, the input equipment for sending the air-fuel ratio of fuel to processor (3).
7. fuel system according to claim 6 is it is characterised in that input equipment is car-mounted terminal or outside intelligence
Can terminal.
8. fuel system according to claim 1 it is characterised in that when fuel tank (1) adopt the second fuel or
When the fuel combination of the second fuel and the first fuel is to substitute the first fuel, regulator is used for adjusting fuel supply pressure p
For:
Wherein, λaAir-fuel ratio for the first fuel；
λbAir-fuel ratio for the second fuel；
ρaDensity for the first fuel；
ρbDensity for the second fuel；
ε is the mass percent in fuel tank (1) shared by the first fuel；
1- ε is the mass percent in fuel tank (1) shared by the second fuel；
paBy fuel system in the fuel supply pressure being adopted when in fuel tank (1) using the first fuel.
9. a kind of fuel feeding method is it is characterised in that comprise the following steps:
Step s1, to substitute the first fuel using alternative fuel when fuel tank (1), alternative fuel is the second fuel or second
During the fuel combination of fuel and the first fuel, using regulator, fuel supply pressure p is adjusted to:
Wherein, λaAir-fuel ratio for the first fuel；
λbAir-fuel ratio for the second fuel；
ρaDensity for the first fuel；
ρbDensity for the second fuel；
ε is the mass percent in fuel tank (1) shared by the first fuel；
1- ε is the mass percent in fuel tank (1) shared by the second fuel；
paBy fuel system in the fuel supply pressure being adopted when in fuel tank (1) using the first fuel；
Step s2, using fuel nozzle (7) spray alternative fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611013523.5A CN106368855B (en) | 2016-11-07 | 2016-11-07 | A kind of fuel system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611013523.5A CN106368855B (en) | 2016-11-07 | 2016-11-07 | A kind of fuel system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106368855A true CN106368855A (en) | 2017-02-01 |
| CN106368855B CN106368855B (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611013523.5A Active CN106368855B (en) | 2016-11-07 | 2016-11-07 | A kind of fuel system and method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040055574A1 (en) * | 2002-07-01 | 2004-03-25 | Shoji Namekawa | Fuel injector and diesel engine comprising the same |
| CN1854497A (en) * | 2005-04-18 | 2006-11-01 | 株式会社日气 | Engine fuel feeding device |
| CN101029602A (en) * | 2005-11-30 | 2007-09-05 | 福特环球技术公司 | Engine output control system and method |
| CN101297108A (en) * | 2005-10-19 | 2008-10-29 | 沃尔沃拉斯特瓦格纳公司 | Fuel oil injection system suitable for low-viscosity fuel oil |
| CN102635472A (en) * | 2011-02-14 | 2012-08-15 | 卡特彼勒公司 | Dual fuel common rail system and engine using same |
| CN206617246U (en) * | 2016-11-07 | 2017-11-07 | 武汉维思艾克软件有限公司 | A kind of fuel system |
-
2016
- 2016-11-07 CN CN201611013523.5A patent/CN106368855B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040055574A1 (en) * | 2002-07-01 | 2004-03-25 | Shoji Namekawa | Fuel injector and diesel engine comprising the same |
| CN1854497A (en) * | 2005-04-18 | 2006-11-01 | 株式会社日气 | Engine fuel feeding device |
| CN101297108A (en) * | 2005-10-19 | 2008-10-29 | 沃尔沃拉斯特瓦格纳公司 | Fuel oil injection system suitable for low-viscosity fuel oil |
| CN101029602A (en) * | 2005-11-30 | 2007-09-05 | 福特环球技术公司 | Engine output control system and method |
| CN102635472A (en) * | 2011-02-14 | 2012-08-15 | 卡特彼勒公司 | Dual fuel common rail system and engine using same |
| CN206617246U (en) * | 2016-11-07 | 2017-11-07 | 武汉维思艾克软件有限公司 | A kind of fuel system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106368855B (en) | 2018-12-11 |
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