CN1757901A - Fuel supply device of engine - Google Patents
Fuel supply device of engine Download PDFInfo
- Publication number
- CN1757901A CN1757901A CNA2005101165479A CN200510116547A CN1757901A CN 1757901 A CN1757901 A CN 1757901A CN A2005101165479 A CNA2005101165479 A CN A2005101165479A CN 200510116547 A CN200510116547 A CN 200510116547A CN 1757901 A CN1757901 A CN 1757901A
- Authority
- CN
- China
- Prior art keywords
- fuel
- pump
- engine
- transfer pump
- container
- 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.)
- Pending
Links
Images
Classifications
-
- 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
Landscapes
- Fuel-Injection Apparatus (AREA)
- Jet Pumps And Other Pumps (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
To provide a fuel supply device installing a fuel holding vessel 2 for holding a fixed amount of fuel in a fuel tank 1 and capable of securely operating a jet pump for feeding fuel in the fuel tank 1 into the fuel holding vessel 2 and ensuring amount of fuel in the fuel holding vessel 2 always. A fuel feeding pump 20 is installed in the fuel holding vessel 2, and a branched pipe 21 is provided on its discharge side. An inlet pipe 13 opened on a bottom face of the fuel holding vessel 2 is erected in the fuel holding vessel 2, and the fuel led by the branched pipe 21 is injected into the inlet pipe 13 from a small hole 12 in a tip part to feed fuel into the fuel holding vessel 2 by jet pump action. Since the fuel feeding pump 20 feeds a fixed amount of fuel irrespective of an operation condition of the engine, fuel can be always ensured in the fuel holding vessel 2.
Description
Technical field
The present invention relates to a kind of fuel that in fuel tank, is provided with and keep container, store the engine fuel supply device of a certain amount of fuel therein, particularly relate to a kind of fuel supplying device that injects fuel into diesel engine in the cylinder etc.
Background technique
In diesel engine, inject fuel in the cylinder from the nozzle that is installed on the cylinder by high-pressure service pumps such as jet pumps, allow fuel produce power in the cylinder combustion burning.In the high-pressure service pump of burner oil, by filter etc. from the fuel tank fueling.In vehicular engine, fuel tank is installed in usually away from the car body of the motor part, installs on motor in the engine fuel system device of high-pressure service pump etc., derives pipeline from fuel tank.
For fuel is transported to the fuel system device from fuel tank, the situation of fuel transfer pump has appearred being equipped with.In addition, in the engine fuel system device, supply with to surpass and to be ejected into the above fuel of fuel quantity that cylinder combustion is burnt usefulness, and the unnecessary fuel that goes out turns back in the fuel tank by the fuel recurrent canal.An example as this fuel supplying device is opened in the 2002-98019 communique open the spy.
Fuel in fuel tank liquid level after the operating time of having passed through motor will reduce, and in addition, inclination of vehicle or the acceleration when travelling, slowing down all to make the liquid level change.For this reason, the fuel suction port of high-pressure service pump or fuel transfer pump etc. all is arranged on the bottom of fuel tank, if fuel quantity is very little like this, suction port just can not be immersed in the fuel, thus suck air in the generating pump situation of (gases such as fuel vapour or air).In order to prevent this situation, be fuel to be set on the part in fuel tank keep container and remaining fuel, and suction port just is arranged on wherein in the past.This fuel keeps container to be also referred to as bath (バ ス Block).
In fuel keeps container, owing to fuel need be sent into from other parts of fuel tank, be well known that fuel that utilization returns from engine fuel system devices such as high-pressure service pumps, by jet pump fuel be sent to fuel and keep device in the container.For example open in the 2002-89498 communique, disclose a kind of device that in the main fuel tank suitable, adopts jet pump that fuel is shifted from drop tank with fuel maintenance container the spy.Like this, the fuel supplying device for having fuel maintenance container and jet pump describes with reference to Fig. 3, Fig. 4.
Fig. 3 is the figure that roughly represents to have the diesel fuel supplier of so-called common rail fuel injection device.In recent years, as the diesel fuel supplier, in order to improve the engine combustion state and to reduce shot-like particle poisonous exhaust compositions such as (PM), there is most employing to carry out easily towards the tendency of the high-pressure co-rail fuel injection system of the precision control of the fuel high pressureization of in-cylinder injection and emitted dose etc.
Fuel is set on fuel tank 1 keeps container 2,, wherein also can keep a certain amount of fuel even the liquid level of fuel tank 1 reduces.The high-pressure service pump 3 that fuel sprays usefulness keeps the suction port 4 of container 2 bottoms to suck fuel from being opened on fuel, sends in the common rail 5 after its pressure that raises arrives jet pressure.Store fuel one side in rail 5 altogether by electric control device control emitted dose and discharge time, one side sprays in the cylinder from the Fuelinjection nozzle 6 of each cylinder of being installed in motor.Between high-pressure service pump 3 and suction port 4, filter 7 is being set, the dust in the fuel, solid matter etc. are being removed.In addition, also have and to remove the precipitate and separate device (セ ジ メ Application ) of moisture and the situation of filter 7 one installation.
Yet, be sent to the common rail 5 than be sprayed onto the fuel that the fuel quantity in the cylinder Duos from high-pressure service pump 3.They are as the fuel of control Fuelinjection nozzle 6 or cooling usefulness, and remaining fuel is then discharged along pipeline 8.In addition, discharging from the control valve 9 of controlling fuel pressures in the common rail 5 has leaked fuel, and also discharges fuel along with head pressure control etc. from high-pressure service pump 3.After lumping together, the residual fuel of these discharges turns back to the fuel tank 1 as returning fuel from Returning pipe 10.
What turn back to fuel tank 1 returns fuel by returning the bottom that fuel pipe 11 is directed to fuel tank 1.This part like that, is returning the swan-neck that the right-angle bending on the diapire that its front end is installed in fuel tank 1 is installed on the fuel pipe 11, its front end formation aperture 12 up as shown in the Fig. 4 that amplifies.The bottom surface that makes fuel keep container 2 is set at this place is between the two gap, in this gap, insert the swan-neck of fuel recurrent canal 11 front ends from what the diapire of fuel tank 1 was separated upward.In addition, keep the bottom surface of container 2 that the inlet duct 13 of the mixing tube that constitutes jet pump uprightly is being set at fuel, aperture 12 is positioned at this opening.
Send into the fuel that returns that returns in the fuel pipe 11 and be injected into inlet duct 13 from aperture 12 as jet flow, the fuel with fuel tank 1 bottom under near the suction effect effect of the low voltage section that produces aperture 12 etc. is sent in the inlet duct 13.The Diffuser shape that the flow path area that inlet duct 13 forms front end slowly enlarges, the fuel that is admitted to one side are mixed with jet flow rises static pressure, and one side is discharged to the fuel maintenance container 2 from the upper end of inlet duct 13.Like this, fuel keeps just guaranteeing to have a certain amount of fuel in the container 2.
Patent Document 1: TOHKEMY 2002-98019 communique.
Patent Document 2: TOHKEMY 2002-89498 communique.
Thereby make jet pump action fuel is sent to fuel to keep needing the enough fuel that returns that makes the jet pump action in the fuel supplying device in the container at the fuel that returns that is used to from the motor fuel system device.Yet, be that operating condition corresponding to motor changes from the amount of returning fuel of motor.The high-pressure service pump of injection diesel fuel particularly because it directly drives by motor, when starting etc. at the bottom of the engine speed in, the discharge capacity of pump reduces itself, the fuel that returns also reduces.
In addition, owing to can not control the fuel quantity of injection by returning residual fuel in the high-pressure service pump of above-mentioned common rail fuel injection device, compare with the fuel injection system that for example adopts the distribution type fuel-injection pump, the fuel quantity that returns is original just seldom.And, reduce recently high-pressure service pump to the power loss of residual fuel pressurization, improve the design that motor fuel expends rate, thereby the fuel quantity that returns can further reduce.This also is not limited to have the diesel engine of common rail fuel injection device,, also exists according to operating condition and reduces the situation of returning fuel the motor of gasoline injection in the suction tude for for example.Problem of the present invention is to prevent because of returning the jet pump action that reasons such as fuel shortage cause badly, guarantees to enter into fuel all the time and keeps fuel quantity in the container.
Summary of the invention
In view of the above problems, the objective of the invention is to make the jet pump that the fuel in the fuel tank is sent in the fuel maintenance container to move reliably, it is arranged on fuel with fuel feed pump and keeps in the container, and the part of the fuel of its discharge is branched out the jet flow that is used as jet pump.
That is to say, the present invention is a kind of engine fuel supply device, " have: store the fuel tank supply to the fuel in the motor; the fuel that is arranged in the above-mentioned fuel tank keeps container; and be arranged on above-mentioned fuel and keep fuel transfer pump in the container; it is characterized in that: in above-mentioned fuel keeps container; the inlet duct that is opened on its bottom surface and has predetermined length uprightly is being set; and on the pipeline of discharge one side of above-mentioned fuel transfer pump, branched pipe is set, above-mentioned branched pipe is guided near the opening portion of above-mentioned inlet duct, and, on above-mentioned branched pipe, form and make the aperture that sprays towards above-mentioned inlet duct from the fuel of above-mentioned fuel transfer pump discharge.”
As technological scheme 2 record like that, the present invention is applicable to that having fuel sprays the high-pressure service pump of usefulness, motor that will be from the fuel supply of above-mentioned fuel transfer pump discharge to above-mentioned high-pressure service pump suction port.For this motor, except diesel engine, also have gasoline injection so-called gasoline direct injection engines by spark ignition combustion in the cylinder.Be used under the situation of this motor, as technological scheme 3 records, best, above-mentioned motor has allows residual fuel turn back to Returning pipe in the above-mentioned fuel tank, and above-mentioned right material conveying pump is connected with above-mentioned Returning pipe by safety check with fuel channel between the above-mentioned high-pressure service pump.
Like this, as technological scheme 4 record like that, the present invention is applicable to having fuel that storage pressurizeed by above-mentioned high-pressure service pump and the diesel engine of distributing to the common rail that is installed in the Fuelinjection nozzle on the above-mentioned cylinder.
In addition, best as technological scheme 5 record in fuel supplying device of the present invention, discharge one side of above-mentioned fuel transfer pump, on the pipeline of above-mentioned motor fueling, one side is provided with aperture in the downstream of above-mentioned branched pipe.Be provided with under the situation of this aperture, as technological scheme 6 records, on the branch part of above-mentioned branched pipe, be provided with to the pipeline of above-mentioned motor fueling and connect the discharge tube of above-mentioned fuel transfer pump and above-mentioned branched pipe 3 to connector, make above-mentioned hole-shaped be formed in above-mentioned 3 ends to connector.
The effect of invention
Fuel is set in fuel tank keeps container, by the jet pump that has utilized the fuel that returns from the engine fuel system device fuel being sent into fuel keeps in the container, in this fuel supplying device in the past, according to the operating condition of motor, can thereby can't guarantee that fuel keeps the fuel in the container owing to the fuel shortage of returning.To this, in fuel supplying device of the present invention, keep the fuel transfer pump in the container in engine working process, can carry a certain amount of fuel all the time, even thereby also can form the jet flow of jet pump when starting etc. sufficiently owing to be arranged at fuel.Thereby, guaranteed that fuel keeps having in the container fuel of prearranging quatity, prevent pump and suck troubles such as air, fueling reposefully in the fuel system device of motor.
On the Returning pipe of fuel supplying device of the present invention, different with fuel supplying device in the past, because the resistance that does not exist the fuel that returns to produce, thereby return and almost do not have the back pressure effect on the fuel with jet flow, can turn back in the fuel tank reposefully.Therefore, alleviate the load of engine fuel system device, can improve the durability of motor.
In addition, in the fuel supplying device in the past that adopts fuel transfer pump, discharge the reasons such as fuel filter obstruction of a side owing to being arranged on fuel transfer pump, the high pressure that acts on the fuel transfer pump can produce fault.In order to prevent this point, configuration connects the bypass tube that pump sucks a side and discharges a side usually, drives the pressure retaining valve of valve when this is provided with high pressure, " relief valve " of the symbol 7 of patent documentation 1 (for example, with reference to).To this, in fuel supplying device of the present invention,, can allow fuel from this branched pipe, emit during high pressure, thereby can not discharge the abnormal pressure of a side owing to discharge the branched pipe that a side exists with jet pump is used aperture communicates at fuel transfer pump.Therefore, can omit bypass tube and pressure retaining valve.
As described in technological scheme 2, when the present invention is applicable to that having fuel sprays the motor of using high-pressure service pump, because fuel transfer pump can supply to the fuel of certain pressure in the high-pressure service pump reliably, thus can prevent to cause easily when example directly sucked fuel by high-pressure service pump like that in the past suck because of fuel the time negative pressure produce the problem of bubble.And, as described in technological scheme 3, when being connected to Returning pipe on by safety check the fuel channel between fuel transfer pump and the above-mentioned high-pressure service pump, the air of sneaking into when changing for filter, owing to can be discharged in the Returning pipe through connecting tube, thereby air etc. can be drawn in the high-pressure service pump.
In having the motor of common rail fuel injection device, as mentioned above, because the fuel that returns from engine fuel system is few, thereby as described in the technological scheme 4, the present invention that jet pump is moved is applicable to and just can have given play to great effect in this motor.
In jet pump work of the present invention, needs come out the fuel of prearranging quatity all the time from fuel transfer pump branch.As described in technological scheme 5, supplying fuel on the pipeline of motor, when branched pipe downstream one side is provided with aperture, can rise because of the pressure that its throttle resistance makes fuel transfer pump discharge a side, even thereby under the little situation of the pipe resistance that arrives engine fuel system, also can carry out fuel on the branched pipe of jet pump reliably and distribute leading to.In addition, as described in technological scheme 6, on the position of branched pipe branch, be provided with 3, allow hole-shaped be formed in this 3 to the end of connector, just can under situation about not raising the cost, aperture be set by simple structure like this to connector.
Description of drawings
Fig. 1 is the schematic representation of fuel supplying device of the present invention.
Fig. 2 is 3 figure to connector that expression the present invention adopts.
Fig. 3 is the schematic representation of fuel supplying device in the past.
Fig. 4 is the figure of expression jet pump structure.
Embodiment
With reference to the accompanying drawings fuel supplying device of the present invention is described below.Fig. 1 is the schematic representation of fuel supplying device of the present invention, and is corresponding with routine in the past device schematic representation (Fig. 3).Fig. 2 is that expression is arranged on 3 enlarged views to connector on the A position of Fig. 1.In these figure, with parts, the corresponding part of device of example had been used identical symbol in the past.
In the engine fuel system of Fig. 1, be equipped with by the direct high-pressure service pump 3 that drives of motor, be total to rail 5 and Fuelinjection nozzle 6 etc.Residual fuel from those engine fuel system devices is recycled in the fuel tank 1 by Returning pipe 10.Because the mechanical structure of engine fuel system and effect are compared with example in the past basically and are not changed, and have omitted detailed description at this.In fuel tank 1, with routine identical in the past, the top is being provided with towards the inner open fuel of fuel tank and is keeping container 2, marks off the inside of fuel tank 1 in the mode that remains a certain amount of fuel.In addition, keep on the container 2 inlet duct 13 with predetermined length being set uprightly at fuel, its lower ending opening keeps the bottom surface of container 2 in fuel.
In the present invention, keep being provided with fuel transfer pump 20 in the container 2 at fuel.The transfer pump 20 that acts as a fuel has used the impeller type pump in this embodiment, and has adopted other forms of pump also passable.Fuel transfer pump 20 is immersed in fuel and keeps in the fuel of container 2, will be sent to high-pressure service pump 3 from the fuel pressurization that the below suction port sucks.
In discharge one side of fuel transfer pump 20, on the A of Fig. 1 part, connecting the branched pipe 21 of the fuel branch that makes force feed.Branched pipe 21 is directed in the gap between the diapire that fuel keeps the bottom surface of container 2 and fuel tank, is formed with aperture 12 up on position relative with the opening of inlet duct 13 on its front end.Constitute spraying near detailed structure routine in the past identical with Fig. 4 in fact pump intake piping 13 and the aperture 12, in the present invention, is not will to return fuel but fuel transfer pump 20 is discharged the fuel supply of a side in aperture 12.These fuel spray from aperture 12 ejections and flow to the inlet duct 13, by pumping action the fuel in the fuel tank 1 are sent into fuel and keep in the container 2.From Returning pipe 10 return fuel because the fuel that can not use as jet pump uses, thereby directly turn back to fuel through pipeline 14 and keep in the container 2.
In the present invention, in fuel keeps container 2, be provided with fuel transfer pump 20, utilize the fuel of its discharge to make the jet pump action.Fuel transfer pump 20 is no matter how engine operating status all can discharge a certain amount of fuel.Thereby, be not subjected to the influence of the fuel quantity that returns from engine fuel system, fuel can be sent to fuel and keep in the container 2, thereby being remained on reliably, fuel keeps in the container 2.In addition, uprightly being arranged on fuel keeps the inlet duct 13 on container 2 bottom surfaces to have predetermined length.Thus, owing to reasons such as fuel tank 1 inclination cause do not have fuel near the aperture 12, will produce jet pump fuel and send into situation about stopping, to this, when fuel keeps the liquid level height of container 2 to be in the position suitable with inlet duct 13 length, owing to prevented fuel outflow fuel tank 1, thereby can guarantee that fuel is in fuel and keeps in the container 2 from the opening of inlet duct 13.
The pipeline of discharge one side of fuel transfer pump 20 is provided with the narrow hole (orifice) 22 that is positioned at branched pipe 21 branching portion downstreams.By this narrow hole 22 additional pipeline resistance on the pipeline that feeds engine fuel system, because the head pressure of fuel transfer pump 20 improves, in branched pipe 21, distribute the fuel of appropriate amount, just can not produce the deficiency of the ejection fuel that drives jet pump.As narrow hole 22, for example can adopt the bore roughly the same with the aperture 12 that sprays jet.But, originally with regard to big fuel supplying device, also can omit this narrow hole for the pipe resistance that arrives engine fuel system.
For narrow hole 22 is set, branched pipe 21 preferably installs shown in Figure 23 to connector 25 on the position of its branch (A portion).3 end plates to the narrow hole 22 of formation formation, the end of connector 25 tops insert the oil resistance flexible pipe that is connected on the engine fuel system pipeline in this part.3 to also inserting flexible pipe on part and the lateral part below the connector 25, be connected respectively on the branched pipe 21 of the exhaust port of fuel transfer pump 20 and jet pump.
The fuel that is sent to the engine fuel system from fuel transfer pump 20 supplies in the high-pressure service pump 3 via filter 7, and the pipeline between filter 7 and the high-pressure service pump 3 then is to be connected on the Returning pipe 10 by the bypass tube 24 with safety check 23.Therefore,, return fuel by by-pass line 24, thereby can suppress the excessive rising of fuel transfer pump 20 head pressures during at force feed from the excess fuel of fuel transfer pump 20.And the air of sneaking in the fuel that is caused by any reasons such as changing filter 7 can be discharged to the fuel maintenance container 2 from Returning pipe 10 by bypass tube 24, thereby has prevented that it from flowing in high-pressure service pump 3 devices such as engine fuel system such as grade.Owing to dispose safety check 23 on bypass tube 24, thereby the high temperature of Returning pipe 10 returns fuel and can not be drawn in the high-pressure service pump 3.
According to top detailed description, the present invention is that a kind of fuel of a certain amount of fuel that will keep keeps container to be arranged at the interior fuel supplying device of fuel tank, its objective is the jet pump that the fuel in the fuel tank is sent in the fuel maintenance container is moved reliably, it is arranged on fuel with fuel feed pump and keeps in the container, and the part of the fuel of its discharge is branched out the jet flow that is used as jet pump.Thereby, the invention is not restricted to have fuel and spray motor with high-pressure service pump, for example also obviously be applicable to by fuel transfer pump the petrol engine of gasoline injection in the engine air inlet tube.
Claims (6)
1. engine fuel supply device, have: storage supplies to the fuel tank (1) of the fuel of motor, the fuel that is arranged in the described fuel tank keeps container (2) and be arranged on described fuel keeping the interior fuel transfer pump (20) of container (2), it is characterized in that
Keep in the container (2) inlet duct (13) that is opened on its bottom surface and has predetermined length being set uprightly at described fuel, and on the pipeline of discharge one side of described fuel transfer pump (20), branched pipe (21) is set, described branched pipe (21) is guided near the opening portion of described inlet duct (13), and, go up formation at described branched pipe (21) and make the aperture (12) that sprays towards described inlet duct (13) from the fuel of described fuel transfer pump (20) discharge.
2. engine fuel supply device as claimed in claim 1 is characterized in that, described motor has the high-pressure service pump (3) that fuel sprays usefulness, and the fuel supply that will discharge from described fuel transfer pump (20) is to the suction port of described high-pressure service pump (3).
3. engine fuel supply device as claimed in claim 2, it is characterized in that, described motor has makes residual fuel turn back to Returning pipe (10) in the described fuel tank, and described fuel transfer pump (20) is connected with described Returning pipe (10) by safety check (23) with fuel channel between the described high-pressure service pump (3).
4. as claim 2 or 3 described engine fuel supply devices, it is characterized in that, described motor is a diesel engine, and it has common rail (5), and this common rail (5) stores by the fuel of described high-pressure service pump (3) pressurization and distributes to the Fuelinjection nozzle (6) that is installed on the described cylinder.
5. as any described engine fuel supply device in the claim 1 to 4, it is characterized in that, discharge one side of described fuel transfer pump (20), on the pipeline of described motor fueling, a side is provided with narrow hole (22) in the downstream of described branched pipe (21).
6. engine fuel supply device as claimed in claim 5, it is characterized in that, at the discharge of described fuel transfer pump (a 20) branch part side, described branched pipe, be provided with to the pipeline of described motor fueling and connect the exhaust port of described fuel transfer pump and described branched pipe (21) 3 to connector (25), described narrow hole (22) is formed at described 3 ends to connector (p25).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP268381/2004 | 2004-09-15 | ||
| JP2004268381A JP2006083747A (en) | 2004-09-15 | 2004-09-15 | Engine fuel supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1757901A true CN1757901A (en) | 2006-04-12 |
Family
ID=36162466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005101165479A Pending CN1757901A (en) | 2004-09-15 | 2005-09-15 | Fuel supply device of engine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2006083747A (en) |
| CN (1) | CN1757901A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375270A (en) * | 2012-04-26 | 2013-10-30 | 尤洛考普特公司 | Fluid flow network for feeding fuel to a motor of a rotorcraft and method for operating the network |
| CN108603472A (en) * | 2016-02-12 | 2018-09-28 | 株式会社电装 | The control device of petrolift |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7757671B2 (en) | 2006-09-29 | 2010-07-20 | Denso Corporation | Fuel feed apparatus |
| JP4591783B2 (en) * | 2006-09-29 | 2010-12-01 | 株式会社デンソー | Fuel pump module |
| JP4980936B2 (en) * | 2008-01-10 | 2012-07-18 | トヨタ自動車株式会社 | Fuel tank structure |
| DE102008053808B4 (en) * | 2008-10-29 | 2022-05-25 | Andreas Stihl Ag & Co. Kg | Method and device for flooding a fuel metering device |
| JP5261238B2 (en) * | 2009-03-19 | 2013-08-14 | 富士重工業株式会社 | Engine fuel supply system |
-
2004
- 2004-09-15 JP JP2004268381A patent/JP2006083747A/en active Pending
-
2005
- 2005-09-15 CN CNA2005101165479A patent/CN1757901A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375270A (en) * | 2012-04-26 | 2013-10-30 | 尤洛考普特公司 | Fluid flow network for feeding fuel to a motor of a rotorcraft and method for operating the network |
| US9140225B2 (en) | 2012-04-26 | 2015-09-22 | Airbus Helicopters | Fuel feed network for a rotorcraft engine, the network including means for priming a pump for sucking fuel from a feed tank |
| CN103375270B (en) * | 2012-04-26 | 2015-11-18 | 空客直升机 | The fluid feed networking of rotor aircraft engine and operate the method at this networking |
| CN108603472A (en) * | 2016-02-12 | 2018-09-28 | 株式会社电装 | The control device of petrolift |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006083747A (en) | 2006-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9964074B2 (en) | Apparatus for furnishing water and method and apparatus for controlling an electric pump for furnishing water for injection into a combustion chamber of an engine | |
| KR100941534B1 (en) | Fuel injection device for a combustion engine | |
| US6488476B2 (en) | Fuel feed unit | |
| CN1930391A (en) | Fuel injection device for an internal combustion engine | |
| US5503683A (en) | Fuel system cleaning apparatus | |
| CN102203405B (en) | Injection device for internal combustion engine | |
| CN103237979A (en) | A fuel injection unit, a method of operating such and an internal combustion engine | |
| KR100534789B1 (en) | Fuel tank system of vehicle | |
| CN1116993C (en) | Fuel delivery device | |
| KR20110084096A (en) | Fuel delivery system | |
| KR20120115549A (en) | Method for controlling the temperature of an injector of an injection system for injecting fuel into the combustion chamber of an internal combustion engine | |
| CN1757901A (en) | Fuel supply device of engine | |
| CN108286480A (en) | The sprinkler of internal combustion engine and method for running this sprinkler | |
| US20080149074A1 (en) | Fuel supply device | |
| US20110000468A1 (en) | Device for feeding fuel | |
| US20030136355A1 (en) | On-board system for feeding fuel additive in a motor vehicle | |
| CN105339643A (en) | Fuel delivery system with partial pressure relief valve on the drive line of a suction jet pump | |
| JP2961994B2 (en) | Fuel supply device | |
| KR20050058200A (en) | Jet pump device | |
| CN101749154B (en) | Fuel supply device | |
| US8490607B2 (en) | Automotive fuel system | |
| JP4239685B2 (en) | Fuel supply device | |
| KR100453650B1 (en) | Cooling apparatus for fuel in reservior cup | |
| KR100314459B1 (en) | Fuel tanks increase the use of residual fuel | |
| KR200160774Y1 (en) | Fuel pump module of vehicle fuel supply device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |