EP1851424A1 - Kraftstoffversorgungseinrichtung für ein kraftfahrzeug - Google Patents
Kraftstoffversorgungseinrichtung für ein kraftfahrzeugInfo
- Publication number
- EP1851424A1 EP1851424A1 EP06707687A EP06707687A EP1851424A1 EP 1851424 A1 EP1851424 A1 EP 1851424A1 EP 06707687 A EP06707687 A EP 06707687A EP 06707687 A EP06707687 A EP 06707687A EP 1851424 A1 EP1851424 A1 EP 1851424A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- transfer pump
- supply device
- pump
- fuel supply
- 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.)
- Granted
Links
Classifications
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
- F02M37/10—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
- F02M37/106—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir the pump being installed in a sub-tank
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
- F02M37/10—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/02—Feeding by means of suction apparatus, e.g. by air flow through carburettors
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/02—Feeding by means of suction apparatus, e.g. by air flow through carburettors
- F02M37/025—Feeding by means of a liquid fuel-driven jet pump
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/18—Feeding by means of driven pumps characterised by provision of main and auxiliary pumps
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/85978—With pump
- Y10T137/86083—Vacuum pump
Definitions
- the invention relates to a fuel supply device for a motor vehicle having a fuel tank and having disposed outside of the fuel tank main ⁇ fuel pump for sucking fuel from the ⁇ fuel tank and the engine for delivering the fuel to the combustion.
- Such fuel supply devices are often used in today's motor vehicles in connection with a single chamber having fuel tanks and are known in practice. Not required by the internal combustion engine
- Fuel is often returned to the fuel tank without pressure in today's fuel supply systems. Therefore, no suction jet pumps can be connected to the return line, which can convey fuel from a secondary chamber of the fuel tank into a main chamber.
- multi-chamber fuel tanks are often used for example in four-wheel drive motor vehicles.
- the invention is based on the problem, a fuel supply device of the type mentioned in such a way that it allows operation in conjunction with a multi-chamber fuel tank.
- This problem is inventively solved in that chambers of the fuel tank Saugstrahlpumpen for Förde ⁇ tion of fuel from the chambers are arranged to a suction port of the main fuel pump that within the fuel tank, an electrically driven Transferpum ⁇ PE is arranged and that a pressure side of the transfer pump with nozzles the suction jet pump is connected and that the transfer pump is connected discontinuously.
- This design enables the transfer pump Ver ⁇ supply of several suction jet pumps with fuel as propellant and provides the intended propellant pressure for the suction jet ready. So that the surfaces in differing ⁇ chambers of the fuel tank fuel distributed to-promotes reliably to the suction port of the main fuel pump ⁇ ge. Possible, returned by the internal combustion engine fuel can be returned without pressure at any point in the fuel tank. Preferably, the recirculated fuel is fed to the intake port.
- a be the users of the motor vehicle ⁇ Sonder comfortable operation of the power supply system according to the invention material can be ensured when the transfer pump is switched discontinuously. As a result of this design, the transfer pump is switched off at prescribed times, which, in addition to reducing the noise level caused by the transfer pump, also leads to a reduction in the power consumption and to a long service life of the transfer pump.
- the assembly of the fuel supply device according to the invention in the fuel tank is particularly simple if the transfer pump and the intake port of the main fuel pump are arranged in a common swirl pot ⁇ . This allows the transfer pump and the Swirl pot preassembled as a preassembled unit outside the fuel tank ⁇ .
- a reliable supply of the transfer pump with fuel can be easily ensured according to another advantageous embodiment of the invention, when the ejector pumps open into the common swirl pot.
- a particularly low power consumption of the transfer pump can be easily ensured according to another advantageous embodiment of the invention, when the transfer pump is controlled by means disposed in the chambers of the fuel tank Gu ⁇ level sensors.
- the transfer pump remains in the filled container, for example Kraftstoffbe-, in which the fuel can flow regardless of the chambers within the fuel tank, permanently INAK ⁇ tiv. If the fuel is separated from the chambers when the fuel tank is nearly empty, the transfer pump is only switched on if there is insufficient fuel at the intake connection of the main fuel pump, but sufficient fuel is available in another chamber. This allows a be ⁇ dependent control of the transfer pump according to the levels of the fuel in the individual chambers.
- the transfer pump is controlled by means of a level switch.
- the transfer pump remains permanently in the istschal ⁇ teten state when sufficient fuel is present in the region of the intake port.
- level switches are well known and close or interrupt an electrical contact when exceeding or falling below a level of fuel.
- the level switch is disposed within the Schwalltop ⁇ fes and / or within a compound of the chambers of the fuel tank. This makes it possible erfas ⁇ sen whether fuel fuel pump close to the suction port of the Hauptkraft- is present, or whether fuel can flow from one chamber to the other chamber.
- the level switch is structurally particularly simple according to another advantageous development, if it is designed as a float switch.
- the interruption of the promotion of the transfer pump that is, when in the suction port of the main fuel pump is sufficiently present on ⁇ facing chamber require the time-consuming changed recording and evaluation of levels in the fuel tank.
- the discontinuous switching of the transfer pump requires according to another advantageous embodiment of the invention, a particularly low cost when the transfer pump has an interval circuit and when the interval circuit is designed to generate an alternating power supply of the transfer pump for successive periods.
- Such Intervallschal ⁇ tion allows clocked switching of the transfer pump, so that on a designated period of time in which the transfer pump is in operation, a further planned period of time follows, in which the transfer pump is turned off.
- the interval circuit is the ratio of successive periods up to 1 to 10 or 20, wherein the Stromversor ⁇ tion of the transfer pump is interrupted in the longer period.
- the discontinuous connection of the transfer pump is structurally particularly simple if the transfer pump has an electronic control unit.
- the electronic control unit is connected to a relay arranged in a power supply of the transfer pump or a transistor circuit.
- FIG. 1 shows a schematic representation of a fuel supply device according to the invention
- FIG. 2 schematically shows a circuit diagram for controlling a transfer pump of the fuel supply device according to the invention from FIG. 1,
- FIG. 3 shows a further schematic representation of the fuel supply device according to the invention.
- FIG. 1 shows schematically a fuel supply device for supplying a diesel engine operating principle Internal combustion engine 1 of a motor vehicle with fuel.
- the fuel supply device has, which supplies fuel to a fuel via a projecting into a fuel tank 2 suction port 3-priming main fuel pump 4 and a transfer pump 5 within the fuel ⁇ container 2 to the suction port 3, the main fuel pump. 4
- this main fuel pump 4 may be a mechanically driven high-pressure diesel pump at ⁇ play as.
- the fuel tank 2 is designed as a so-called saddle tank with two chambers.
- the main fuel pump ⁇ 4 is disposed outside the fuel tank 2, while the suction port 3 and the transfer pump 5 within a pre- ⁇ against the bottom of the fuel tank 2 ⁇ spanned baffle 8 are arranged halfway.
- suction jet pumps 9, 10 are arranged, which are supplied by the Trans ⁇ ferpumpe 5 with fuel as a propellant and promote fuel from the chambers 6, 7 in the swirl pot 8. Furthermore, in the chambers 6, 7 level sensors 11, 12 for measuring the level of fuel in the respective chambers 6, 7 are arranged.
- FIG. 2 schematically shows a circuit diagram for controlling the transfer pump 5 from FIG. 1.
- the transfer pump 5 is connected to a current source 15 via a relay 14 that can be activated by a control unit 13.
- a control unit 13 In the illustrated
- the connection of the transfer pump 5 is made to the power source 15, so that in case of failure of the control unit 13, the transfer pump 5 is permanently supplied with electrical ⁇ schema and a promotion of fuel to the intake port 3 shown in Figure 1 is ensured.
- the control unit 13 interrupts has an interval circuit 16, after the relay 14 is driven by a designated first time period and the power supply of the transfer ⁇ pump 5 for a second time period provided. After this second period of time, again the first time span in which the transfer pump 5 is controlled.
- the Ver ⁇ ratio of the first period to the second period be ⁇ example, carries 1 to 10, so that the transfer pump 5 most of the time is off.
- the control inputs unit 13 an input 17 for signals of the level sensors 11, 12.
- the control unit 13 also the signals of the filling level ⁇ sensors 11, evaluated in the individual chambers 6, 7, 12 and only set the transfer pump 5 in operation when the chamber 5 the surge chamber 8 having virtually any fuel, but other Chambers have sufficient fuel.
- FIG. 3 shows a further embodiment of the Kraftstoffver ⁇ sorgungs
- the level switches 18, 19 are designed as float switches.
- the transfer pump can be controlled to 5 ⁇ , for example, the transfer pump 5 is permanently turned off when the surge chamber is filled with overall fuel. 8 If the level in the surge chamber 8 below the level for switching the switch 18 in the surge pot 8 vorgese ⁇ Henen filling level, the transfer pump 5 can be activated.
- the level switch 19 in the fuel tank 2 allows the detection of whether fuel between the chambers 6, 7 can flow back and forth. In this case, activation is the
- Transfer pump 8 is not required and can be prevented.
- the activation of the transfer pump 8 can take place as in the first embodiment form with the control unit 13 of Figure 2 in an interval circuit or a timer, in which the transfer pump 8 for a minimum time span of 60 seconds, for example.
- the control unit 13 via the input 17 signals the level switch 18, 19 fed.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200510008380 DE102005008380A1 (de) | 2005-02-23 | 2005-02-23 | Kraftstoffversorgungseinrichtung für ein Kraftfahrzeug |
| PCT/EP2006/050116 WO2006089814A1 (de) | 2005-02-23 | 2006-01-10 | Kraftstoffversorgungseinrichtung für ein kraftfahrzeug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1851424A1 true EP1851424A1 (de) | 2007-11-07 |
| EP1851424B1 EP1851424B1 (de) | 2009-03-25 |
Family
ID=36100368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06707687A Expired - Lifetime EP1851424B1 (de) | 2005-02-23 | 2006-01-10 | Kraftstoffversorgungseinrichtung für ein kraftfahrzeug |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8485790B2 (de) |
| EP (1) | EP1851424B1 (de) |
| JP (1) | JP4608556B2 (de) |
| KR (1) | KR101214725B1 (de) |
| CN (1) | CN100582471C (de) |
| DE (2) | DE102005008380A1 (de) |
| WO (1) | WO2006089814A1 (de) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007002188B4 (de) * | 2007-01-16 | 2012-12-06 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Hybrid-Fahrzeug |
| JP4796000B2 (ja) * | 2007-03-23 | 2011-10-19 | 富士重工業株式会社 | 燃料供給装置 |
| WO2010020821A2 (en) * | 2008-08-22 | 2010-02-25 | James Wilson Gilchrist | Fuel monitoring apparatus and methods |
| US8459960B2 (en) * | 2009-02-09 | 2013-06-11 | Robert Bosch Gmbh | Jet pump assembly |
| JP5325043B2 (ja) * | 2009-08-18 | 2013-10-23 | 富士重工業株式会社 | 燃料供給装置 |
| DE102009049799B4 (de) * | 2009-10-16 | 2018-07-12 | Kautex Textron Gmbh & Co. Kg | Kraftstoffbehälter für ein KFZ |
| JP5673411B2 (ja) * | 2011-07-20 | 2015-02-18 | 三菱自動車工業株式会社 | ハイブリッド車用燃料タンク装置 |
| US20130019843A1 (en) * | 2011-07-20 | 2013-01-24 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Fuel tank apparatus for hybrid vehicle |
| JP2013209962A (ja) * | 2012-03-30 | 2013-10-10 | Aisan Industry Co Ltd | 燃料特性測定システム |
| DE102012212049A1 (de) * | 2012-07-11 | 2014-01-16 | Robert Bosch Gmbh | Abschaltbare Kraftstoffpumpe zur Versorgung von Saugstrahlpumpen |
| CN102758767A (zh) * | 2012-07-20 | 2012-10-31 | 安徽江淮汽车股份有限公司 | 柴油马鞍型油箱的油路控制系统 |
| NL2009328C2 (en) * | 2012-08-16 | 2014-02-18 | Vialle Alternative Fuel Systems Bv | Assembly for buffering a liquefied petroleum gas in a liquefied petroleum gas storage and storage bag therefore. |
| DE102016217800B4 (de) * | 2016-09-16 | 2021-12-23 | Vitesco Technologies GmbH | Fluidfördervorrichtung |
| US10124791B2 (en) * | 2016-12-14 | 2018-11-13 | Ford Global Technologies, Llc | Fuel pump control system for saddle fuel tanks |
| DE102016014881A1 (de) | 2016-12-14 | 2017-07-06 | Daimler Ag | Kraftstofftanksystem |
| DE102017207106B4 (de) * | 2017-04-27 | 2022-06-15 | Vitesco Technologies GmbH | Kraftstofffördersystem zur Verwendung in einem Fahrzeug |
| DE102017109274A1 (de) * | 2017-04-28 | 2018-10-31 | Ti Automotive Technology Center Gmbh | Verfahren und Anordnung zum Fördern von Kraftstoff in einem Kraftstoffbehälter |
| EP3399174B1 (de) | 2017-05-04 | 2020-11-04 | Volvo Car Corporation | Brennstoffsystem für ein kraftfahrzeug, kraftfahrzeug mit derartigem brennstoffsystem und verfahren zur brennstoffzufuhr zu einer brennkraftmaschine |
| CN108222891A (zh) * | 2018-03-20 | 2018-06-29 | 西南石油大学 | 一种直线电机抽油泵和电潜泵串接的复合抽油装置 |
| US10662911B1 (en) * | 2019-02-15 | 2020-05-26 | Delphi Technologies Ip Limited | Fuel transfer system including a fuel jet pump device and utilized in a partitioned fuel tank |
| US20230146010A1 (en) * | 2021-11-08 | 2023-05-11 | S&BFilters, Inc. | Venturi pump system for a fuel sending unit |
| CN114061712B (zh) * | 2021-11-16 | 2024-08-09 | 浙江吉利控股集团有限公司 | 一种燃油液位传感器异常检测系统及其方法 |
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| JPS6094819A (ja) * | 1983-10-28 | 1985-05-28 | Mazda Motor Corp | 自動車の燃料タンク装置 |
| JPS60195222A (ja) | 1984-03-17 | 1985-10-03 | Heihachi Hayashi | 場所打ち杭盛替え補強工法 |
| JPS60195222U (ja) * | 1984-06-06 | 1985-12-26 | マツダ株式会社 | 自動車の燃料タンク装置 |
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| US20050175481A1 (en) * | 2002-09-23 | 2005-08-11 | Harbuck E. S. | Low cost fuel pump and filter assembly |
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| US7644873B2 (en) * | 2004-02-13 | 2010-01-12 | Ti Group Automotive Systems, L.L.C. | Fuel transfer arrangement |
| DE102004007718A1 (de) * | 2004-02-16 | 2005-10-27 | Visteon Global Technologies, Inc., Van Buren Township | Kraftstofffördermodul mit mindestens zwei Pumpen |
| JP4305304B2 (ja) * | 2004-07-09 | 2009-07-29 | トヨタ自動車株式会社 | エンジンの燃料供給装置 |
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-
2005
- 2005-02-23 DE DE200510008380 patent/DE102005008380A1/de not_active Withdrawn
-
2006
- 2006-01-10 US US11/816,718 patent/US8485790B2/en not_active Expired - Fee Related
- 2006-01-10 EP EP06707687A patent/EP1851424B1/de not_active Expired - Lifetime
- 2006-01-10 KR KR1020077018980A patent/KR101214725B1/ko not_active Expired - Fee Related
- 2006-01-10 WO PCT/EP2006/050116 patent/WO2006089814A1/de not_active Ceased
- 2006-01-10 CN CN200680005723A patent/CN100582471C/zh not_active Expired - Fee Related
- 2006-01-10 DE DE200650003260 patent/DE502006003260D1/de not_active Expired - Lifetime
- 2006-01-10 JP JP2007556577A patent/JP4608556B2/ja not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006089814A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US8485790B2 (en) | 2013-07-16 |
| CN100582471C (zh) | 2010-01-20 |
| CN101128666A (zh) | 2008-02-20 |
| JP4608556B2 (ja) | 2011-01-12 |
| US20080142097A1 (en) | 2008-06-19 |
| KR20070105340A (ko) | 2007-10-30 |
| KR101214725B1 (ko) | 2012-12-21 |
| WO2006089814A1 (de) | 2006-08-31 |
| DE502006003260D1 (de) | 2009-05-07 |
| JP2008531908A (ja) | 2008-08-14 |
| DE102005008380A1 (de) | 2006-08-31 |
| EP1851424B1 (de) | 2009-03-25 |
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