EP3215744A1 - Verfahren zum erstellen eines kennlinienfelds einer fluidpumpe, verwendung eines limitierten ventils, verwendung eines stufenventils und steuergerät für ein fluidfördersystem - Google Patents
Verfahren zum erstellen eines kennlinienfelds einer fluidpumpe, verwendung eines limitierten ventils, verwendung eines stufenventils und steuergerät für ein fluidfördersystemInfo
- Publication number
- EP3215744A1 EP3215744A1 EP15788053.5A EP15788053A EP3215744A1 EP 3215744 A1 EP3215744 A1 EP 3215744A1 EP 15788053 A EP15788053 A EP 15788053A EP 3215744 A1 EP3215744 A1 EP 3215744A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- delivery system
- fluid
- fluid delivery
- fluid pump
- 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
- 239000012530 fluid Substances 0.000 title claims abstract description 125
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 23
- 230000001419 dependent effect Effects 0.000 claims abstract description 10
- 230000008859 change Effects 0.000 claims abstract description 4
- 230000004075 alteration Effects 0.000 claims 1
- 239000003607 modifier Substances 0.000 claims 1
- 239000000446 fuel Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 241001397173 Kali <angiosperm> Species 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 240000001160 Bouea macrophylla Species 0.000 description 1
- 235000001275 Bouea macrophylla Nutrition 0.000 description 1
- 244000000231 Sesamum indicum Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 231100000935 short-term exposure limit Toxicity 0.000 description 1
- 210000003171 tumor-infiltrating lymphocyte Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
- F02D41/2464—Characteristics of actuators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/3082—Control of electrical fuel pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
- F04D15/0022—Control, e.g. regulation, of pumps, pumping installations or systems by using valves throttling valves or valves varying the pump inlet opening or the outlet opening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
Definitions
- the invention relates to a method for creating a characteristic ⁇ line field of a fluid pump of a pressure-dependent Fluid once- system for a work area of the fluid pump.
- the invention further relates to the use of a limited valve, the use of a step valve and a control device for a fluid delivery system.
- Fluid delivery systems are used, for example, as KraftStoff formula- systems in motor vehicles.
- Such Fluid thoroughly ⁇ systems have a fluid pump, which is driven by an electric motor and are pressure-dependent.
- a drive current of the electric motor for controlling the fluid pump it is advantageous to establish a relationship to the pressure in the fluid delivery system.
- Such a relationship Zvi ⁇ rule the driving current for the electric motor and the pressure in the fluid delivery system can be produced by means of a characteristic ⁇ field. Values for activation can be read from the characteristic field.
- the object of the invention is to provide a process for improved creation of a characteristic field of a fluid pump of a pressure-dependent ⁇ fluid delivery system for a working area of the fluid pump. It is a further object of the invention to show the use of a limited valve and the use of egg ⁇ nes tap valve as calibration valves and a control device for a fluid delivery system.
- the object is achieved by a method for producing a characteristic field of a fluid solved pump of a pressure-dependent fluid delivery system in an Ar ⁇ beits Colour the fluid pump.
- the fluid delivery system in this case comprises a current-controlled electric motor, which is controlled by an engine control unit with a drive current.
- the fluid pump is ration ⁇ ben from the electric motor. The method comprises the steps:
- the method additionally comprises the following step:
- the characteristic map ranges and values of pressure and rotational speed, and thus can be assigned clear ⁇ lines.
- the fluid delivery system is designed as KraftStoff preparesystem for a motor vehicle and designed for gasoline.
- the recorded characteristic field comprises characteristic curves of constant drive current, which is a dependency between the speed of the fluid pump and the pressure in the fluid delivery system.
- the method additionally comprises the following step:
- the fluid delivery system is ⁇ example, as a KraftStoff formulasystem ⁇ for a motor vehicle and designed for diesel. Since fluid pumps are designed for diesel at ⁇ DERS than gasoline pumps, by these excluded staltung a leveling of the characteristic curves accurately SUC ⁇ gen.
- the parameters characterizing the fluid delivery system comprise at least one of the following parameters:
- a positive displacement pump such as diesel can not be operated at zero flow, bauartbe ⁇ dingt.
- the fluid delivery system further comprises a calibration valve, which at an off Lassseite the fluid pump is arranged and opens ⁇ in dependence ⁇ speed of a predetermined pressure to provide a pressure-dependent calibration function and wherein the step of recording additionally depends on the calibration function.
- a calibration valve By a calibration valve can take place a clear assignment of drive current and pressure. This is he ⁇ sufficient that in a recorded pressure characteristic curve, a kink is generated by opening the valve. This supports the leveling of the later recorded characteristic field for the drive current.
- the Ka ⁇ librierventil is designed as one of the following valve types: Threshold pressure valve; limited valve; Stage valve.
- valve types each produce one or more kinks in the pressure characteristic of the fluid delivery system, and thus allow further anchor points for a leveling of the characteristic field.
- the brier Kali is formed ⁇ valve to derive a predetermined maximum Vo ⁇ volume flow from the fluid delivery system when the Ka ⁇ librierventil is formed as limited valve.
- the calibration valve is adapted to derive a predetermined maximum flow rate from the fluid delivery system per stage when the calibration valve is madebil ⁇ det as stage valve.
- the step of adjusting the drive current and changing a flow volume is carried out after switching on the fluid pump.
- a limited valve as calibration valve in a fuel feed system is ver ⁇ turns.
- a method according to the first aspect can be performed.
- a step valve is set up as a calibration valve in a fluid delivery system.
- a method may also be performed by ⁇ according to the first aspect.
- the fluid delivery system comprises:
- control unit is set up to carry out a method according to the first aspect.
- FIG. 1 shows a fluid delivery system (schematic illustration);
- FIG. 2 shows a field of a plurality of pressure characteristics of a fluid system;
- Figure 3 is an exemplary representation of a family of characteristics of an industrial pump (Pump Manual 2004, GRUNDFOS, page 119);
- FIG. 4 shows a flow chart for a method according to an embodiment of the invention
- Figure 5 is an exemplary illustration of a characteristic field of a fluid pump according to an embodiment of the dung OF INVENTION ⁇ ;
- Figure 6 is a schematic representation of a controlled system
- FIG. 7 shows a further exemplary illustration of a Kennli ⁇ nienfelds a fluid pump according to an embodiment of the invention
- FIG. 8 shows another exemplary illustration of a characteristic line field ⁇ a plurality of printing characteristics of a Fluidsys ⁇ tems
- FIG. 9 shows two exemplary characteristic fields with markings for a leveling
- FIG. 10 shows another exemplary characteristic field with leveling markings
- Figure 11 is a schematic representation of a valve
- FIG. 12 is another schematic representation of a valve
- FIG. 13 shows a further schematic representation of a valve
- FIG. 14 shows an exemplary characteristic field of pressure characteristics and current characteristics
- Figure 15 is another exemplary characteristic curves of pressure ⁇ characteristics and power characteristics.
- FIG. 1 shows a fluid delivery system 10.
- the fluid delivery system 10 is a fuel delivery system for
- the fluid delivery system 10 may be laid out ⁇ for pumping diesel.
- the fuel in this case the gasoline, is supplied by the fluid delivery system 10 to an injection system (so-called fuel rail system).
- fuel rail system for reasons of clarity, a representation of both the tank, as well as the Einsprit zstrom omitted in Figure 1.
- the exemplary embodiment is a so-called pre-conveyor system.
- the fluid delivery system 10 includes an electric motor 11.
- the electric motor 11 is current controlled in exporting ⁇ approximately example.
- the electric motor 11 is controlled by an engine control unit 12.
- the engine control unit has a control unit 12a and a zuslegili ⁇ che processing unit in the embodiment.
- the calculation unit 12a is spatially ge of the engine control unit 12 separates in ⁇ alternatively ⁇ ven embodiments and thus swapped.
- the electric motor 11 drives a fluid pump 13.
- the fluid pump 13 is inrangsbei ⁇ game a fuel pump.
- the electric motor 11 is connected to the fluid pump 13 via a mechanical coupling 17.
- the fluid pump 13 pumps gas via a fluid line 15 from the tank through the fluid delivery system 10 and via a line 16 to the Einsprit zstrom.
- a calibration valve 14 is connected and hydraulically coupled to the fluid pump 13.
- the calibration valve 14 is connected and hydraulically coupled to the fluid pump 13.
- the calibration valve 14 is connected and hydraulically coupled to the fluid pump 13.
- the calibration valve 14 via the hydraulic connection 18 to the line 16 and thus connected to the fluid pump 13.
- the calibration valve 14 is adapted to open at a predetermined pressure at ⁇ play, 8,.
- the electric motor 11 is controlled by the engine control unit 12 so that the fluid pump 13 runs at a certain speed of the engine 11. In a ⁇ al ternatives design no calibration valve 14 is provided for hen.
- a filter 16 a is installed in line 16. It is a fuel filter. Other embodiments may be other filters or fluid-influencing components.
- the filter 16 may be omitted in a further Fully ⁇ staltung.
- a pressure sensor 19 attached ⁇ closed.
- the pressure sensor 19 measures a fluid pressure in the line 16 after the filter 16a.
- the Sig nal ⁇ of the pressure sensor 19 is evaluated in an evaluation unit 19a.
- the evaluation unit 19a provides 12 to the engine control ⁇ device, in the exemplary embodiment of the computing unit 12a of the Mo ⁇ tor horrinates 12, an evaluated pressure signal for plausibility bilmaschine ready.
- Figure 2 shows a graph showing a driving current for the electric motor 11 (axis of ordinate) on the rotational speed (Abs ⁇ zissenachse) for different pressures.
- the pressures are increasing from function 21 through 22 all the way to function 25.
- FIG. 3 shows by way of example a schematic representation of a family of characteristics of an industrial pump in general.
- the delivery height (ordinate axis) is applied above the rotational speed (abscissa ⁇ senachse).
- This example is the "pump manual" in 2004, Grundfos, page 119, taken. Such a presentation would also be desirable for the ver ⁇ spent fluid pump 13.
- FIG. 4 shows a flow chart according to an embodiment of the method.
- a drive current is set to a predetermined value, for example, 3A.
- a flow volume of the fluid delivery system 10 is changed.
- a corresponding characteristic pressure behavior in the fluid delivery system 10 can be generated at the drive current set in step 41.
- the speed is proportional to the delivery volume of the fluid pump 13.
- the change in the volume flow will be obtained automatically when ⁇ game example, by an increase in pressure in the fluid delivery system 10 is established. This can be done even in ⁇ run the operation, such as a start-up of fluid delivery system 10th
- step 43 pressure data of the fluid delivery system 10 are recorded.
- the pressure sensor 19 ver ⁇ applies.
- This creates a data set that represents the changed to the on ⁇ set drive current depending through ⁇ flow volume the pressure in the fluid delivery system.
- step 44 it is evaluated whether all predetermined values for the generation of the characteristic field are present. Absent in ⁇ play data to a certain predetermined actuation current for the electric motor 11, the steps 41, 42 and 43 are repeated in accordance with different parameters.
- a characteristic field is created from the recorded data.
- pressure values are assigned to a ⁇ a drive current provided a speed respectively.
- the characteristics field is leveled and aligned using anchor points and edge parameters as described below.
- FIG. 5 shows an example of such a characteristic field.
- the individual functions from below upwardly ascending and STEL len is a drive current.
- the rotation speed is applied, 10.
- the edge portions of the characteristic ⁇ field correctly, it is necessary that characteris ⁇ tables parameters are left. So a leveling of the characteristic field is necessary.
- the zero flow rate of the fluid pump 13 is used for a fluid pump 13 for pumping gasoline. More Para ⁇ meter resulting from a maximum speed of the electrical ⁇ rule engine 11, a maximum delivery volume of the fluid pump 13 or a minimum operating current of the electric motor 11. These parameters are characteristic of each under ⁇ Kunststoffmug certain fluids at different pressures. Output pressure and applied pressure in the fluid pump 13 are, in the case of the zero flow, identical, so that the fluid is not conveyed and thus a delivery volume is zero. The- The parameters and the resulting measured data serve as anchor points for the characteristic field.
- FIG. 6 shows a schematic representation of a controlled system.
- Block 61 represents a control module that uses a characteristic diagram for a fuel system for fluid control passage ⁇ lung.
- the block 61 has two inputs 62, 63, an input 62 is for the speed and input 63 is for the drive current.
- the output of the block 61 is a pressure value 64.
- FIG. 7 shows an example of a characteristic field for a diesel fluid delivery system.
- the pressure is plotted against the speed.
- the individual diagonal curves are curves of increasing current.
- an additional calibration valve 14 is used in the fluid delivery system 10 in a further embodiment.
- the Kali ⁇ brier valve 14 generates, as shown in Figure 8, a kink in the pressure curves 81 to 84. In this way, the Kenni ⁇ enfeld can be leveled for the drive current, since an anchor ⁇ point is created for alignment.
- FIG. 10 shows a further illustration for a characteristic field for diesel. Important anchor points are also not defined here.
- a positive displacement pump For example, a zero flow rate can not be used for Nivel ⁇ lation, since the way in which promotes a positive displacement pump, allows a zero flow rate.
- a special calibration valve 14 a ⁇ is set.
- a different number and different embodiments of Venti ⁇ len conceivable.
- a limited valve as ⁇ shown in Fi gure 11 schematically used.
- the limited Ven ⁇ til leaves after it has been opened to drain only a defined amount (minimum flow).
- the limited valve opens at 3 bar and then allows a constant outflow of 5 l / h.
- a pressure-dependent inlet 112 leads to a resistance (valve flap), which is represented schematically by a spring 110. If the pressure is high enough, the outlet 111 is released and the fluid can drain off.
- FIG 12 shows a schematic representation of a calibration ⁇ valve 14 according to a further embodiment.
- the calibration valve 14 is a step valve.
- the stage valve made light ⁇ it to drain different bypass flows of the fluid at different pressure levels.
- a pressure-dependent inlet 121 leads to a resistance (valve flap), which is represented schematically by a spring 120. If the pressure is high enough, the outlet 121 is released and the fluid can drain off. If the pressure continues to increase, in addition, the outlet 122 is released, so that the discharge amount increases.
- valve flap resistance
- the outlet 121 is released and the fluid can drain off.
- the outlet 122 is released, so that the discharge amount increases.
- differing ⁇ che numbers of stages with different values and off ⁇ let press conceivable. It is important here that the recorded pressure characteristics of the fluid pump 13 have different buckling have stages. On the basis of this, the characteristic field of the on ⁇ control current curves can be leveled.
- a further embodiment of the calibration valve 14 is a step valve, which allows drainage only within a certain pressure range.
- Figure 13 shows a schematic Dar ⁇ provision of such a valve.
- the valve is closed bar ge ⁇ at 1, open at 2 bar and closes again at 3 bar completely. Between 2, 3 bar is a constant amount of 5 1 / hr. drained.
- a pressure coupling 131 executes on ei ⁇ NEN resistance which is schematically Darge ⁇ represents by a spring 130th If the pressure is high enough, the Bypassvolu- is meneingang released 132 and the fluid can flow through the newly ⁇ if shared bypass volume output 133rd If the pressure continues to increase, the valve locks.
- FIG. 14 shows various pump characteristics.
- Bold print are characteristics of the fluid delivery system 10 (Abszissenach ⁇ se: Speed; ordinate: pressure and drive current). It can be seen that the pressure characteristics shown in bold have different kinks. Based on these kinks, the characteristic field of the drive current (thin lines) can now be leveled. The measurement can be carried out speed-controlled. That is, the speed is driven off by the control of the electric motor 11. This can be done, for example, when switching on the fluid pump 13.
- Figure 15 is similar to Figure 14 different charac ⁇ ka, however, for various types of valves (abscissa: Rotation speed; ordinate: pressure and drive current).
- the existing valve by the modified additional characteristics enable a proper calibration during a Be ⁇ drive of the fluid delivery system under various realistic conditions.
- the current control can be switched on and the drive current can be increased slightly.
- a calibration valve opens and the characteristic ⁇ field can be aligned at this anchor point.
- This on ⁇ control current can be used to level the characteristic field.
- Such leveling is applicable at all times, also and especially during operation.
- Such a bypass function does not affect the operation and does not affect the characteristic ⁇ field of the drive current (see Figure 10).
- the characteristic ⁇ field remains the same even with use of the bypass valve or arguenven ⁇ TILs (generally of Kalibrierventils 14).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014222390.3A DE102014222390A1 (de) | 2014-11-03 | 2014-11-03 | Verfahren zum Erstellen eines Kennlinienfelds einer Fluidpumpe, Verwendung eines limitierten Ventils, Verwendung eines Stufenventils und Steuergerät für ein Fluidfördersystem |
PCT/EP2015/075473 WO2016071285A1 (de) | 2014-11-03 | 2015-11-02 | Verfahren zum erstellen eines kennlinienfelds einer fluidpumpe, verwendung eines limitierten ventils, verwendung eines stufenventils und steuergerät für ein fluidfördersystem |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3215744A1 true EP3215744A1 (de) | 2017-09-13 |
EP3215744B1 EP3215744B1 (de) | 2020-05-13 |
Family
ID=54365261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15788053.5A Active EP3215744B1 (de) | 2014-11-03 | 2015-11-02 | Verfahren zum erstellen eines kennlinienfelds einer fluidpumpe, verwendung eines limitierten ventils, verwendung eines stufenventils und steuergerät für ein fluidfördersystem |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3215744B1 (de) |
DE (1) | DE102014222390A1 (de) |
WO (1) | WO2016071285A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10859592B2 (en) * | 2017-01-31 | 2020-12-08 | Tecan Trading Ag | Method of aspirating by pipetting and pipetting apparatus |
DE102017221342B4 (de) | 2017-11-28 | 2021-01-28 | Vitesco Technologies GmbH | Toleranz- und Verschleißkompensation einer Kraftstoffpumpe |
DE102017221333B4 (de) * | 2017-11-28 | 2021-01-28 | Vitesco Technologies GmbH | Toleranz- und Verschleißkompensation einer Kraftstoffpumpe |
CN112032035B (zh) * | 2020-08-13 | 2022-06-07 | 四川虹美智能科技有限公司 | 阀片损坏的确定方法及压缩机、电子设备 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3402120A1 (de) * | 1984-01-23 | 1985-07-25 | Rheinhütte vorm. Ludwig Beck GmbH & Co, 6200 Wiesbaden | Verfahren und vorrichtung zur regelung verschiedener betriebsparameter bei pumpen und verdichtern |
DE3824057A1 (de) * | 1988-07-15 | 1990-01-25 | Loewe Pumpenfabrik Gmbh | Verfahren zur regelung des betriebes von pumpen |
DE4243118A1 (de) * | 1992-12-21 | 1994-06-23 | Continental Ag | Verfahren zur Konstanthaltung des Druckes in einem hydraulischen System |
DE10257657A1 (de) * | 2001-12-21 | 2003-07-03 | Ksb Ag | Hydraulische Anlage |
WO2008067622A2 (en) * | 2006-12-06 | 2008-06-12 | Delphi Technologies, Inc. | Method and apparatus for fuel flow control in an internal combustion engine |
DE102009050083B4 (de) * | 2009-10-20 | 2016-08-18 | Viessmann Werke Gmbh & Co Kg | Verfahren zur Bestimmung eines Volumenstroms in einer mit einer Strömungsmaschine und mit einer Regelungseinheit versehenen, geschlossenen Strömungsanlage |
DE102011015154B4 (de) * | 2011-03-25 | 2017-01-12 | Continental Automotive Gmbh | Verfahren zur Überwachung einer elektromotorisch angetriebenen Kraftstoffpumpe und Kraftstofffördereinheit mit einer Kraftstoffpumpe |
ES2541584T3 (es) * | 2012-09-07 | 2015-07-21 | Gidelmar, S.A. | Método y equipo de control de un sistema de distribución de líquido, multipunto |
US9528519B2 (en) * | 2012-10-12 | 2016-12-27 | Continental Automotive Systems, Inc. | Pressure control by phase current and initial adjustment at car line |
-
2014
- 2014-11-03 DE DE102014222390.3A patent/DE102014222390A1/de not_active Withdrawn
-
2015
- 2015-11-02 WO PCT/EP2015/075473 patent/WO2016071285A1/de active Application Filing
- 2015-11-02 EP EP15788053.5A patent/EP3215744B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
WO2016071285A1 (de) | 2016-05-12 |
DE102014222390A1 (de) | 2016-05-04 |
EP3215744B1 (de) | 2020-05-13 |
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DE102010028799A1 (de) | Verfahren zum Betreiben einer Einspritzanlage |
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