WO1998039565A1 - Startersysteme für einen verbrennungsmotor sowie verfahren zum start eines verbrennungsmotors - Google Patents
Startersysteme für einen verbrennungsmotor sowie verfahren zum start eines verbrennungsmotors Download PDFInfo
- Publication number
- WO1998039565A1 WO1998039565A1 PCT/EP1998/001297 EP9801297W WO9839565A1 WO 1998039565 A1 WO1998039565 A1 WO 1998039565A1 EP 9801297 W EP9801297 W EP 9801297W WO 9839565 A1 WO9839565 A1 WO 9839565A1
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- WIPO (PCT)
- Prior art keywords
- short
- energy
- term memory
- starting
- starter
- Prior art date
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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
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0862—Circuits or control means specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery
- F02N11/0866—Circuits or control means specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery comprising several power sources, e.g. battery and capacitor or two batteries
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N2011/0881—Components of the circuit not provided for by previous groups
- F02N2011/0885—Capacitors, e.g. for additional power supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N2011/0881—Components of the circuit not provided for by previous groups
- F02N2011/0888—DC/DC converters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N2011/0881—Components of the circuit not provided for by previous groups
- F02N2011/0896—Inverters for electric machines, e.g. starter-generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/02—Parameters used for control of starting apparatus said parameters being related to the engine
- F02N2200/023—Engine temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/04—Parameters used for control of starting apparatus said parameters being related to the starter motor
- F02N2200/046—Energy or power necessary for starting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P19/00—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition
- F02P19/02—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
Definitions
- the present invention relates to starter systems for an internal combustion engine and methods for starting an internal combustion engine.
- step-up converter DC-DC converter
- Starter systems are e.g. known from SU 1265388 AI (MOSC AUTO ECH) and EP 0 390 398 AI (ISUZU).
- the capacitor store is at the same voltage level as the vehicle battery, so there is no step-up converter in between. Examples of this are given in DE 41 35 025 AI (MAGNETI MARELLI) and US Pat. No. 5,041,776 (ISUZU).
- the battery is disconnected from the starter motor during the starting process, so the starting takes place entirely with the energy stored in the capacitor store.
- JP 02175350 A ISUZU
- JP 02175351 A ISUZU
- JP 02175351 A ISUZU
- EP 0 403 051 AI ISUZU
- EP 0 533 037 B1 discloses an electric catalyst heater and EP 0 420 379 B1 an electric glow system for a diesel engine, the heating energy being kept available in a capacitor store.
- the known starter systems with capacitor storage ensure a safer start, especially in very cold weather, and allow a smaller design of the conventional vehicle battery, which is generally unsuitable for short-time discharge when starting.
- the present invention aims to provide improved starter systems with short-term storage, such as a capacitor storage. This also includes the provision of appropriate procedures for starting.
- a starter system for an internal combustion engine comprises the following: an electrical starter, an electrical short-term storage, in particular a capacitor storage, which serves to feed the starter after charging, direct or indirect temperature detection, and a control device which causes a removal of part of the energy stored in the short-term storage for feeding one or more consumers before the starting process, the size of the removed energy part being temperature-dependent, specifically at low temperatures than at high temperatures (claim 1).
- This first aspect of the invention is based on the following findings: at low temperatures of the internal combustion engine, in particular in severe frost such as -20 ° C., the electrical energy required for starting is considerably greater than at high temperatures, for example at operating temperature. This is essentially due to the much greater resistance that the internal combustion engine opposes to the starter rotation due to the greater viscosity of the oil in the cold.
- the starter system must be designed for the lowest temperatures that occur in practice. This means that the capacitance of the capacitor is greatly oversized for the higher temperatures that usually occur.
- the invention takes a different path: because even a temperature-dependent loading of the short-term storage does not change the fact that it must be dimensioned for the lowest occurring temperature - and is therefore oversized. It was recognized that a portion of the short-term storage capacity (not required at higher temperatures) can be used by other consumers (than the starter) in order to be able to supply it with high power for a short time, preferably even before the internal combustion engine is started. At high temperatures, such as operating temperature, these additional consumers have a relatively large energy and performance value before Start available. As the temperature of the internal combustion engine decreases, this amount decreases because a larger amount of energy has to be kept available for the starting process. If the capacitor store is dimensioned accordingly, there is no energy left for the additional consumers at the lowest temperature. In this relatively rare case, your power supply can be postponed, for example, to the time immediately after starting when a generator driven by the internal combustion engine supplies sufficient energy.
- Short-term storage is preferably understood to mean any storage for electrical energy in which the major part (e.g. 97%) of the stored maximum energy can be removed non-destructively within 60 seconds, preferably within 30 seconds and particularly preferably within 15 seconds.
- chemical energy stores for high power consumption can also be involved, e.g. so-called alkaline secondary systems, e.g. alkaline nickel / cadmium systems or nickel / iron systems, e.g. May contain sintered electrodes or fiber structure electrodes.
- Long-term storage is a storage device from which, after a full charge, the entire stored energy can only be removed in periods longer than 10 minutes.
- the consumer is advantageously an electric heater, preferably a catalyst heater (claim 2).
- a catalyst heater (claim 2).
- the invention allows rapid preheating of the catalytic converter practically without additional constructional expenditure, in that the - otherwise oversized - short-term storage serves as an intermediate storage for the catalytic converter heating energy when the temperatures of the internal combustion engine are not too low.
- the short-term storage is operated with low power would take from the battery or - in an earlier driving cycle - slowly charged from the vehicle electrical system and practically suddenly discharged to heat up the catalyst (claim 2).
- the heating is carried out with high electrical power, and therefore very quickly, for example within a few seconds.
- Other heaters such as disc heaters, can also be supplied with high power before starting.
- a second aspect of the invention relates to a starter system for an internal combustion engine, with an electric starter; an electrical short-term storage, in particular a capacitor storage, which is used to charge the starter after charging;
- This second aspect is based on the idea of not dimensioning the short-term storage device so large that it can start the internal combustion engine alone even at very low temperatures, but rather to take energy from the short-term storage device and the long-term storage device (e.g. in the form of a conventional sulfuric acid lead accumulator) at the same time .
- Simple parallel connections of battery and capacitor storage are - as mentioned above - known from Japanese publications 02175350 A (ISUZU) and 02175351 A (ISUZU). However, these are very simple starter systems.
- the invention takes a different approach in that it provides an actively controllable coupling between the two energy stores (not only) when the short-term store is being charged, but also when it is being discharged during the starting process.
- the involvement of both energy stores allows a smaller dimensioning of the short-term storage while at the same time adapting the relative power consumption to the ia different characteristics of the two different storage types.
- Actively controllable is not (only) understood to mean the possibility of switching the long-term memory and / or short-term memory on and off, but the possibility of continuously presenting the proportion of energy and / or power which the long-term memory and / or the short-term memory when starting is removed.
- the power required to start depends, among other things, on strongly depends on the temperature of the internal combustion engine.
- the amount of the power withdrawn from the long-term storage can therefore be based on the
- REPLACEMENT BLA ⁇ (RULE 26) tion is approximately equal to the internal resistance of the long-term storage.
- resistances between the long-term battery and the coupling circuit must be taken into account (by adding either the input resistance of the coupling circuit or the internal resistance of the long-term memory).
- This configuration assigns the long-term storage to a comparatively larger share of the total output and thus allows a comparatively smaller dimensioning of the short-term storage.
- only a certain fraction of the greatest possible output is taken from the long-term storage, for example fractions in the range from 50 to 100%, advantageously 65 to 100%, preferably 75 to 100% and particularly preferably 90 to 100% of the largest possible output.
- the short-term memory preferably operates at a different, in particular a higher voltage level than the long-term memory (claim 7).
- the coupling circuit then preferably comprises a voltage converter, e.g. a step-up converter that can bring current from one to the other voltage level.
- the different voltage levels can advantageously be adapted to the different technical characteristics of the two different types of memory. In this way, a capacitor store generally reaches its greatest energy storage density at a relatively high voltage level (e.g. at 300 volts), while an accumulator battery - depending on the type of battery used and the number of series connected
- the coupling circuit is, for example, a step-up converter based on an induction pump circuit. Such is built up, for example, from a series connection of an inductor and an electronic switch, which is traversed by current from the long-term memory when the switch is closed. Between these two elements there is a branch to the short-term memory, which is at a higher voltage level, and which is equipped with a backflow-preventing diode. When the switch is opened, induction creates a voltage spike (in principle of any height), which allows the current to flow briefly to the high voltage level and thus increases it. By enlarging or Reducing the switching frequency of the switch allows the increased amount of current to be increased or decreased accordingly.
- the starter is advantageously fed by an inverter with a DC voltage intermediate circuit, the short-term energy store being at the voltage level of the DC voltage intermediate circuit (claim 8).
- a DC link inverter for example, cuts out modulated pulses from a constant DC link voltage with the help of electronic switches (e.g. field effect transistors or IGBTs) which, averaged by the inductance of the generator, produce almost smooth DC currents of the desired voltage or alternating currents Frequency, amplitude and phase lead.
- the starter is therefore particularly advantageously designed as a three-phase machine (also called a three-phase machine).
- a machine In contrast to a commutator machine, this is understood to mean a machine, particularly a commutatorless machine, in which, for example, the stator generates a magnetic rotating field which rotates through 360 ° and takes the rotor with it.
- the starter can be designed in particular as an asynchronous machine, for example with a short-circuit rotor, or as a synchronous machine, for example with a rotor with pronounced magnetic poles.
- the short-circuit rotor in the asynchronous machine can be, for example, a squirrel-cage rotor with short-circuit bars in the axial direction.
- the rotor has windings which can be short-circuited externally, for example, using slip rings.
- the distinctive magnetic poles of the rotor in the synchronous machine are realized, for example, by permanent magnets or by electromagnets, which can be supplied with excitation current via slip rings, for example.
- the starter can be coupled indirectly to the internal combustion engine shaft, for example via pinions, countershaft, etc. However, part of the starter, in particular the rotor, is advantageously seated directly on the motor shaft and is preferably coupled or can be coupled to it in a rotational test.
- the rotor can sit, for example, on the shaft leading to the gearbox, or on the other side of the internal combustion engine on the shaft end that ends blindly there.
- an inverter-controlled three-phase machine can advantageously have one or more additional functions, for example the function of a generator for the on-board power supply, an additional vehicle drive motor, as an additional vehicle brake and / or an active smoothing device for rotational irregularities that occur in internal combustion engines due to their discontinuous mode of operation.
- the changeover from motor to generator operation takes place by corresponding changeover of the magnetic fields by means of appropriate inverter control.
- the invention is also directed to methods for starting an internal combustion engine.
- the invention is also directed to methods for starting an internal combustion engine.
- 1 shows a diagram of the relative energy which can be drawn from a consumer as a function of the temperature (first aspect); 2 shows a diagram of the power components delivered by the short-term storage and the long-term storage as a function of temperature (second aspect); 3 shows a schematic representation of the most important functional units of the starter systems (first and second aspects); 4 is a flowchart of a method for starting (first aspect); 5 is a flowchart of another method of starting (second aspect).
- the proportion e v of the energy stored in the capacitor which is branched off for the consumer, is plotted as a function of the temperature of the internal combustion engine.
- the proportion e v is defined as the ratio of the energy amount E v branched off for the consumer and the amount of the total energy stored in the capacitor E toIa
- T min the lowest occurring temperature
- T v the consumer energy part e v is zero.
- the entire stored energy is required for starting, ie the starting energy component e stArt / k -i t is equal to one. At the highest occurring temperature T.
- ⁇ for example the operating temperature of the internal combustion engine, only part of the stored energy is required for starting, ie the starting energy component e SülI1 y warm is significantly less than one.
- the remaining amount of energy can serve here to feed a consumer before starting, the consumer energy portion e v i rm st that is equal to the difference of one and e Start / wa ⁇ n.
- 1 schematically illustrates e v for all values between T mm and T max . Due to the decreasing resistance, which the internal combustion engine opposes to the starter, as well as the decreasing starting speed, the dependency shown is a continuous and only increasing (or constant) function.
- FIG. 2 illustrates the power relationships in an exemplary embodiment according to the second aspect of the invention.
- the total power required (for a certain moment) when starting is plotted here as a function of the temperature.
- T min the total power at the lowest occurring temperature
- T max the highest temperature
- T max the maximum power consumption from the short-term memory
- dashed lines which is temperature-independent - and thus a horizontal straight line in the illustration. Since, in the second aspect of the invention, short-term storage and the battery interact when starting, the maximum short-term storage power is below the maximum total power at the lowest occurring temperature ⁇ and thus forms a kind of base. Energy is only taken from the battery in the (hatched) temperature range in which the total power curve lies above this base.
- FIG. 2 This is shown in FIG. 2 as an example for a temperature slightly above T min .
- the total power curve falls below the base. That means that at temperatures above the point of intersection, the starting takes place exclusively from the Short-term storage, the battery does not contribute here.
- the maximum short-term storage power can also fall below the required total power at T, ⁇ , so that the battery must then contribute.
- the maximum short-term storage power at all times can be below the total power required at T ⁇ , so that the battery contributes to starting at all times.
- clutch 3 for a motor vehicle, for example a passenger car
- a motor vehicle for example a passenger car
- a drive shaft 2 for example the crankshaft of the internal combustion engine 1
- clutch 3 and further parts (not shown) of a drive train releases the drive wheels of the vehicle.
- clutch 3 is open.
- an electrical machine 4 serving as a starter, here an asynchronous three-phase machine. It has a rotor 5 seated directly on the drive shaft 2 and rotates connected to it, and a stand 6 supported, for example, on the housing of the internal combustion engine 1.
- the starter 4 (as well as the devices for its supply and energy storage described below) are dimensioned such that the internal combustion engine 1 can preferably be started directly (ie without a flywheel function or the like) and preferably also no step-up or step-down ratio between the starter 4 and the internal combustion engine 1 is arranged so that both can run together permanently.
- the (not shown) winding of the stator 6 is fed by an inverter 7 with electrical currents and voltages of practically freely adjustable amplitude, phase and frequency.
- the inverter is essentially made up of a machine-side DC voltage-AC converter 7a, an intermediate circuit 7b and a DC-DC converter 7c on the electrical system side.
- Short-term energy storage 8 for example a capacitor storage, is - seen electrically - in the intermediate circuit 7b.
- the converter 7c is coupled to a vehicle electrical system 9 and a long-term energy store, here an electrical system battery 10.
- the vehicle electrical system 9 and the battery 10 are at a low voltage level, for example 12 or 24 volts.
- the intermediate circuit 7b is at an increased voltage, which is advantageously in the range between 48 and 350 volts.
- the electrical machine 4 can act as a generator, ie supply electrical energy.
- the converter 7c is therefore designed as a bidirectional converter, on the one hand to be able to bring electrical energy from the on-board power supply battery 10 into the intermediate circuit 7b for the starting process or its preparation, and on the other hand to transfer energy from the intermediate circuit 7b to the low-voltage side during generator operation To feed consumers of the electrical system 9 and to charge the electrical system battery 10.
- the converter 7a converts the DC voltage of the intermediate circuit 7b into AC voltage in motor operation, in generator mode it feeds the energy supplied by the electrical machine 4 into the intermediate circuit 7b after rectification.
- Capacitor memory 8 is able to supply voltage pulses with a required steepness for a high pulse frequency (advantageously in the range from 20 kHz to 100 kHz). It also serves as an energy store for the energy required for starting, possibly in cooperation with the battery 10. In other (not shown) embodiments, a separate, particularly rapidly discharged capacitor store is provided for the provision of edge-dividing pulses, which has only a smaller capacity needs.
- the capacitor store 8 can be charged either in generator mode by the electrical
- a high-performance consumer for example an electrical catalyst heater, is electrically coupled to the intermediate circuit 7b via a consumer control device 12.
- the high-power consumer 11 is advantageously supplied at a high voltage level, for example the voltage level of the intermediate circuit 7b.
- the consumer control device 12 does not serve as a voltage converter, but only as a current control device. In other embodiments it also has the function of a voltage converter for higher or lower voltages.
- a higher-level control device 13 controls the inverter 7, specifically the converter 7a and the converter 7c, and the consumer control device 12.
- the control unit 13 receives input signals from a temperature sensor 14, which provides information, for example, about the coolant temperature of the internal combustion engine 1. It also receives input signals from a (not shown) angle encoder, from which it can determine the current speed of the drive shaft 2. Furthermore, it can receive a number of further information, for example regarding the position of the throttle valve of the internal combustion engine 1, the ignition timing, etc.
- step S1 the capacitor store 8 is charged. Charging takes place to a fixed, predetermined value, which is predetermined, for example, by the setpoint of the intermediate circuit voltage. If possible, the capacitor store 8 is already charged while the internal combustion engine is running. the electrical machine 4 which then acts as a generator. When the vehicle is stationary for a longer period of time, however, the capacitor store 8 gradually discharges, so that it can then be fully or partially charged by drawing energy from the on-board electrical system battery 10.
- step S2 the control unit 13 determines the instantaneous temperature of the internal combustion engine on the basis of the measurement information supplied by the temperature sensor 14.
- step S3 the control device 13 determines, for example on the basis of a stored characteristic diagram, the amount of energy which, as expected, is required for starting at the temperature determined in the previous step. On the basis of the determined required amount of energy and the known value of the amount of energy stored in the capacitor store, the control unit determines in step S4 that part of the Memory 8 stored energy that is not required to start at the current temperature.
- step S5 control unit 13 queries whether a command to start the internal combustion engine has been given, for example by actuating the ignition key. If this is not the case, the control unit 13 executes steps S2 to S5 repeatedly. If, on the other hand, a start command has been given, it proceeds to the next step S6.
- the program is in a passive waiting state; it only carries out actions in accordance with steps S2 and S4 there after receiving a start command).
- the control device 13 causes the high-performance consumer 11, here a catalytic converter heater, to be supplied with the part of the energy which is not required at short notice with very high power.
- the catalytic converter immediately reaches operating temperature, for example, and is thus ready for the material conversion of harmful exhaust gases at the first ignitions.
- step S7 the internal combustion engine 1 is started using the energy portion remaining in the capacitor store 8.
- step S11, S12 and S13 reference is made to the above statements relating to steps S1, S2 and S3, which also apply here fully apply.
- step S14 on the basis of the result in step S13 and the known value of the amount of energy stored in the capacitor store 8, that portion of the energy is determined which must be taken from it at the current temperature of the on-board electrical system battery 10 for the starting process.
- step S15 - in accordance with the above statements on step S5 - a query is made as to whether a start command has been given.
- step S16 the control unit 13 finally initiates the start of the internal combustion engine 1 with energy being drawn from the capacitor store 8 and, if appropriate, from the on-board electrical system battery 10 Proportion determined in step S14.
- steps S14 and S16 are frequently repeated in the course of the starting process in order to to take into account any change in the energy portion to be taken in the course of the starting process.
- Such a time dependency can occur, for example, in that the capacitor store 8 discharges in the course of the charging process and can only deliver less energy towards the end of its discharging process, so that the portion to be removed from the on-board electrical system battery 10 increases.
- the power component is determined in step S14, which has to be removed from the on-board electrical system battery 10 at the present temperature and at the relevant time in the course of the starting process.
- step S16 there is then a corresponding power withdrawal from the capacitor and the battery in accordance with the power component determined in step 14.
- the invention is based on the idea of not taking the temperature dependence of the amount of energy required for starting into account when charging the short-term storage device, but rather during the discharge and / or starting process.
- This is particularly advantageous for starter systems in which the short-term storage is to be at a predetermined level in terms of voltage, for example the level of the intermediate circuit of an inverter serving to supply the starter.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53817598A JP2001513863A (ja) | 1997-03-06 | 1998-03-06 | 内燃機関用のスタータシステム並びに内燃機関を始動させる方法 |
EP98913670A EP0964995B1 (de) | 1997-03-06 | 1998-03-06 | Startersysteme für einen verbrennungsmotor sowie verfahren zum start eines verbrennungsmotors |
DE59807311T DE59807311D1 (de) | 1997-03-06 | 1998-03-06 | Startersysteme für einen verbrennungsmotor sowie verfahren zum start eines verbrennungsmotors |
IL13367698A IL133676A0 (en) | 1997-07-01 | 1998-07-01 | Animal stall with two different positions for an animal related means |
US09/389,992 US6202615B1 (en) | 1997-03-06 | 1999-09-03 | Methods and apparatus for starting an internal combustion engine |
US09/389,549 US6109229A (en) | 1997-03-06 | 1999-09-03 | Auxiliary starter unit for use with a diesel engine, and method for starting a diesel engine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19709298.5 | 1997-03-06 | ||
DE19709298A DE19709298C2 (de) | 1997-03-06 | 1997-03-06 | Startersysteme für einen Verbrennungsmotor sowie Verfahren zum Starten eines Verbrennungsmotors |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/001298 Continuation WO1998039566A1 (de) | 1997-03-06 | 1998-03-06 | Starthilfsanlage für einen dieselmotor sowie verfahren zum starten eines dieselmotors |
US09/389,992 Continuation US6202615B1 (en) | 1997-03-06 | 1999-09-03 | Methods and apparatus for starting an internal combustion engine |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998039565A1 true WO1998039565A1 (de) | 1998-09-11 |
Family
ID=7822515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/001297 WO1998039565A1 (de) | 1997-03-06 | 1998-03-06 | Startersysteme für einen verbrennungsmotor sowie verfahren zum start eines verbrennungsmotors |
Country Status (5)
Country | Link |
---|---|
US (1) | US6202615B1 (de) |
EP (1) | EP0964995B1 (de) |
JP (1) | JP2001513863A (de) |
DE (2) | DE19709298C2 (de) |
WO (1) | WO1998039565A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002061271A1 (de) * | 2001-01-30 | 2002-08-08 | Epcos Ag | Bordstromspeicher 12volt und/oder 42volt kfz-bordnetze sowie vorrichtung zum starten |
EP1044852A3 (de) * | 1999-04-16 | 2005-02-16 | Volkswagen Aktiengesellschaft | Bordnetz für Kraftfahrzeuge |
FR2933357A1 (fr) * | 2008-07-02 | 2010-01-08 | Peugeot Citroen Automobiles Sa | Systeme de gestion electrique multi tension pour vehicule hybride. |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
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Also Published As
Publication number | Publication date |
---|---|
EP0964995B1 (de) | 2003-02-26 |
EP0964995A1 (de) | 1999-12-22 |
DE19709298C2 (de) | 1999-03-11 |
DE59807311D1 (de) | 2003-04-03 |
JP2001513863A (ja) | 2001-09-04 |
DE19709298A1 (de) | 1998-09-24 |
US6202615B1 (en) | 2001-03-20 |
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