EP1046800A2 - Dispositif pour commander la position d'un papillon d'admission d'un moteur à combustion interne - Google Patents

Dispositif pour commander la position d'un papillon d'admission d'un moteur à combustion interne Download PDF

Info

Publication number
EP1046800A2
EP1046800A2 EP00103210A EP00103210A EP1046800A2 EP 1046800 A2 EP1046800 A2 EP 1046800A2 EP 00103210 A EP00103210 A EP 00103210A EP 00103210 A EP00103210 A EP 00103210A EP 1046800 A2 EP1046800 A2 EP 1046800A2
Authority
EP
European Patent Office
Prior art keywords
signal
value
circuit
control device
output
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.)
Withdrawn
Application number
EP00103210A
Other languages
German (de)
English (en)
Other versions
EP1046800A3 (fr
Inventor
Albert Kiessling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Klaschka GmbH and Co
Original Assignee
Klaschka GmbH and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Klaschka GmbH and Co filed Critical Klaschka GmbH and Co
Publication of EP1046800A2 publication Critical patent/EP1046800A2/fr
Publication of EP1046800A3 publication Critical patent/EP1046800A3/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • F02D11/106—Detection of demand or actuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
    • F02D31/001—Electric control of rotation speed
    • F02D31/002—Electric control of rotation speed controlling air supply
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1409—Introducing closed-loop corrections characterised by the control or regulation method using at least a proportional, integral or derivative controller
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413—Controller structures or design
    • F02D2041/1418—Several control loops, either as alternatives or simultaneous
    • F02D2041/1419—Several control loops, either as alternatives or simultaneous the control loops being cascaded, i.e. being placed in series or nested
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413—Controller structures or design
    • F02D2041/1422—Variable gain or coefficients
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D41/1402—Adaptive control

Definitions

  • the invention relates to a device for regulating Throttle valve of an internal combustion engine according to the preamble of claim 1.
  • Such control devices with which the speed the internal combustion engine regardless of the load that a powered consumer is currently forming on one constant value, e.g. on internal combustion engines Use the generators to generate electrical Drive electricity or the compressors or drive the like.
  • the present invention is therefore intended to be a control device further developed according to the preamble of claim 1 be that improved load-dependent Change in the P degree is obtained.
  • the throttle position sensor provides a signal that is not linear with the performance of the internal combustion engine changes. According to the invention it is therefore proposed to output the throttle position transmitter by a circle of characteristics in unambiguously implement so that the implemented signal that obtained at the given throttle position Performance of the internal combustion engine corresponds. To this Load changes can be better regulated in this way.
  • Claim 5 is with regard to a particularly accurate P-degree compensation advantageous.
  • the P-degree compensation can be done by hand or automatically prevent the internal combustion engine to different modes of operation such as Parallel operation, Single-engine and multi-engine island operation to be able to adapt.
  • the speed error signal is dependent modified from the actual throttle valve position, what an adaptation to the load-dependent properties causes the internal combustion engine and thus the Control properties optimized in all load cases.
  • this modification of the speed error signal takes place, so that within a tolerance range the speed normal load parameters are used outside of the tolerance range used load change parameters become. This can cause extreme load changes or load shedding to be met correctly.
  • the development of the invention according to claim 10 enables a simple filing and providing different P values and / or I values and / or D values for the PID amplifier. You can also do this by simply reprogramming of the PID value memory to the control electronics the characteristic operating characteristics of different Adapt internal combustion machines and also in Field to the different properties of the operation the energy sources used in the internal combustion engine (natural gas different quality, liquid gas, gasoline, diesel fuel etc.).
  • control device With a control device according to claim 15, one can e.g. in parallel operation the regulation of the throttle valve " position depending on the performance, which is a generator driven by the internal combustion engine should deliver on the output side at the moment.
  • a control device takes place the modification of the target speed signal again only then instead if the internal combustion engine within a predetermined normal operating range works.
  • 10 denotes an internal combustion engine, which drives an AC voltage generator 12. This is via a multi-pole switch 14 with a 16 indicated supply network connected.
  • a mixture generator 18 which is the internal combustion engine 10 supplied with a combustible mixture, includes an air inlet line 20, a fuel supply line 22 with a Gas pressure regulator 24 and a mixing nozzle 26 in which air and fuel are mixed.
  • the mixture is on a Mixing line 28 provided.
  • a turbocharger 30 is connected to the mixture line 28, which is driven by the internal combustion engine 10 becomes.
  • the output of the turbocharger 30 is with the input connected to a throttle unit denoted overall by 32, which is a housing 34 and a movable therein Has throttle valve 36.
  • the throttle valve shaft is rotatably connected to a servomotor 38 and works also together with an angle encoder 40.
  • the outlet of the throttle body 34 is via a Heat exchanger 42 with the mixture inlet of the internal combustion engine 10 connected.
  • the throughput of coolant through the heat exchanger 42 is via adjustable throttle 44 controllable, the throughput by an actuator 46 is adjustable.
  • control unit 48 On the output side, the control unit 48 is connected to the Throttle valve operating actuator 38 connected.
  • control unit 48 has one a total of 54 designated throttle valve controller a total of 56 designated position transmitter and one a total of 58 designated speed encoder.
  • the target speed sensor 58 comprises a power error circuit 60, which with the one input to the output of the electrical power meter 50 is connected and with its other input a target power signal receives, which by an adjustable resistor 62nd is indicated.
  • This is shown as an analog component, to keep the drawing clear improve. It is understood that resistor 62 as well as others shown as analog components Subunits of the control unit 48 also as digital Elements can be formed in the case of resistance 62 by a read / write memory which is replaced by a Input unit or one of the control unit 48 Processor can be overwritten.
  • the output of the power error circuit 60 is with that Input of a PID amplifier 64 connected.
  • a PID amplifier roughly speaking, he works on that the factor P amplified input signal according to the I-value temporally integrated part of the input signal and a contribution of the weighted according to the factor D differentiated input signals.
  • the P value, the I value and the D value can be opened via terminals 66 be given to the PID amplifier. The used for this Elements and lines are then not shown in detail in FIG. 2 shown wired if the values are fixed.
  • the output of PID amplifier 64 is with an integrator 68 connected. This acts on a conversion circuit 70, which is an input signal associated with a load converts an output signal assigned to a speed.
  • the output of the conversion circuit 70 is connected to the input one Window limiter 72 connected. This works as follows: If the input signal is smaller than the lower one Window value, the window value is provided at the output. The output signal lies between the lower window value and the upper window value the input signal on Output provided. If the input signal is above the upper window value, the upper window value becomes at the output provided.
  • the window limiter window values 72 correspond to the lower or the upper adjustable Zero power speed. These values can be changed by the operating personnel according to the respective requirements on one Control panel of a higher-level processor (not shown) can be entered.
  • the one with the throttle valve 36 is a characteristic curve 74 connected. Roughly speaking, this works in such a way that he the output signal of the angle encoder into a signal implements which of the given throttle position received drive power of the internal combustion engine 10 corresponds.
  • the position of the throttle valve depends on one Internal combustion engine and that of the internal combustion engine provided power does not linearly differ from one another. Rather, according to FIG. 3, there is a dependency on the Drive power L from the throttle position D, the one deviating from an ideal, straight-line characteristic curve 76 curved characteristic curve 78 corresponds. This characteristic is even for a given internal combustion engine from depending on other parameters. Will the internal combustion engine supplied with a mixture via a turbocharger, as in the present case Case, a modified characteristic curve results 80. Depending on the quality of the fuel used, the Then modified the characteristic even further, as shown at 82, the characteristic curves 82 and 80 for the case of low-energy Fuel or high-energy fuel stand.
  • the characteristic circle 74 contains several sets of characteristic curves 78, 80, 82, etc. for different fuel qualities are determined and in different Areas of a characteristic curve memory assigned to the characteristic curve 74 84 are filed. Which of the stored there Characteristic curves used in individual cases is determined one on a line 86 to the characteristic curve memory 84 given signal, which again from a higher level Processor is provided.
  • the output signal of the characteristic curve circuit 74 is on given the input of a third degree 88 timer. This leaves the input signal at low frequencies run through and blocks from a predetermined frequency threshold the signal completely.
  • the time constant of the Timer 88 is large compared to the control period.
  • the output signal of the timer 88 is a Amplifier 90 amplified and on a characteristic circle 92 given that received at the output of the timer 88 long-term averaged or integrated actual position signal, which is the average actual load of the internal combustion engine reproduces, according to the applicable load / speed characteristic converts into a corresponding speed signal. This is then on the one input of a subtraction circuit 94 given, the second input of the output signal the window limiter 72 receives. You get one Modified target speed signal depending on the load. This effects the load-dependent adjustment of the P-degree.
  • the circuits 88, 90 92 thus form together a P degree control circuit 96.
  • the output signal of the subtracting circuit 94 becomes one Window limiter 98 given. This limits the target speed signal to those values that are essential for the safety of the Plant must be strictly observed and not by Operating personnel can be changed (limit speed).
  • the output signal of the window limiter 98 represents this Output signal of the target speed sensor 58.
  • the amplifier 90 receives two lines 100, 102 two signals indicating the throttle valve position at full load or zero load and thus the gain characteristic of the amplifier 90. Via a switch 104 can be an activation terminal of amplifier 90 optionally with a signal applied to the amplifier 90 on or off. In this way you can take into account the actual throttle valve position and thus the load-dependent setting of the P-grade turn on or off.
  • the set position transmitter 56 contains one on the input side Error circuit 106, which has an input from the target speed sensor 58 provided target speed signal takes over and with another input the output signal of the speed sensor 52 takes over which of the actual speed assigned. Between the trained as a pulse generator Speed sensor 52 and the associated input of Error circuit 106, a conversion circuit 108 is provided, the time interval between successive Output pulses of the speed sensor 52 in to the speed proportional signal.
  • the output of the speed error circuit 106 is one PID amplifier 110 connected. Whose output signal is at the same time the output signal of the target position transmitter 56.
  • the P-value, the I-value and the D-value of the PID amplifier 110 which works as above in connection with the PID amplifier 64 are described by a PID value memory 112 provided.
  • PID value memory 112 provided.
  • PID values low short name for the triplet of values
  • This selection can be made by one of the control units superordinate processor forth, takes place on the other but also constantly depending on the output signal Discriminator circuit 116, which with the output signal of Error circuit 106 is applied and at its second Receives a switching threshold signal as through a adjustable resistor 118 indicated.
  • the group of discriminators 116 thus requests one in the PID value memory 112 PID value, which corresponds to a strong load transfer, if a correspondingly large speed error is discovered.
  • a PID value is retrieved (for each set of PID values) depending on the Output signal of the characteristic curve circuit 74. For each throttle valve position a suitable PID value is used. Then when the engine is below a predetermined throttle position is running, the P-value set to a constant idle P-value. This is done at another input of the PID value memory another discriminator 120 connected to the Output signal of the characteristic curve circuit 74 is connected and provides an output signal when the output signal of the characteristic curve 74 one below one specified switching point (break point) Throttle position corresponds.
  • the P-value is on a ramp that increases Area 126.
  • the left and right in figure end faces 128, 130 of the P-value area steeply inclined connecting surfaces between the base surface 124 and ramp area 126.
  • One in FIG. 4 rear end face 132 of the P-value area is also steep inclined.
  • the I values and the D values are based on similar ones Value areas 134 determined, so that for explanation the single value area shown in FIG. 5 can serve.
  • This value area has a base area 136, which in turn serves the operation with larger speed deviations, and in this base area is a trapezoidal too high Gutter provided for loads.
  • the latter has a ramp increasing from an idle value Bottom surface 138, which again has a more inclined side surface 140, 142 is connected to the base 136.
  • the throttle valve controller 54 contains one on the input side Position error circuit 144, which at one entrance with the Output signal of the PID amplifier 110 is applied which represents the target position signal, and at the other input with the output of an angle encoder 40 downstream linearization circuit 146 applied which is the output signal of the angle encoder, if necessary, linearized and so an accurate actual position signal provides for the throttle valve 36.
  • the output signal of the position error circuit 144 becomes given the input of a PID amplifier 148 which operates similarly to PID amplifier 64 above described.
  • the P value of the PID amplifier 148 can be adjusted via a controllable switch 150 to a first value (position storage lies within a predetermined range) or a second value (position storage outside of a specified range).
  • the corresponding P-value signals are through adjustable resistors 152, 154 illustrates.
  • the controllable switch 150 is actuated via a discriminator 156, the input side with connected to the output of the position error circuit 144 is.
  • the output signal of the PID amplifier 148 goes up given the input of a summing circuit 158. This serves to position the error signal to be described later Way to modify.
  • the output signal of the Summing circuit 158 is over a window limiter 160, and a power stage 162 that modulates pulse width Four quadrant transistor bridge can be over a measuring resistor 164 placed on a magnetic coil 166, which belongs to the servomotor 38 and the throttle valve 36 adjusted. To reset the throttle valve 36 at A spring 168 serves for power failure.
  • the modification of the position error signal by the Summing circuit 158 takes place depending on Vibrations of the throttle valve 36 for damping the same.
  • the output signal of the linearization circuit 146 over a bandpass 170 to a subtracting one Input of the summing circuit 158 connected.
  • the middle of the Bandpass lies at the natural frequency of the throttle valve actuator 38, throttle valve 36 and return spring 168 formed vibratory system.
  • the further inputs of the summing circuit 158 are impressed in the opposite sense, are the output signal of a spring compensation sensor 172, which simulates the spring 168, and a signal, which is from the actual control current for the solenoid coil 166 is derived through the measuring resistor 164.
  • a spring compensation sensor 172 which simulates the spring 168
  • a signal which is from the actual control current for the solenoid coil 166 is derived through the measuring resistor 164.
  • the Measuring resistor 164 connected to a discriminator circuit 174. This then provides an output signal if the output signal of the measuring resistor 164, that is Feed current for the magnetic coil 166, a predetermined one Value exceeds.
  • a ramp generator 176 is triggered, see above that from the time at which the solenoid 166 with too large current is applied by the output signal of the Summing circuit 158 an increasing proportion over time is taken away. Doing so will overload of the servomotor 38 comprising the magnetic coil 166 is avoided.
  • the nominal speed is typically 1500 rpm, the Speed setting range is approx. +/- 500 rpm.
  • the Zero power speed is around 1560 rpm.
  • the ideal control characteristic is shown at 178. she is a straight line with the slope P.
  • a control characteristic curve 180 is obtained which is curved is.
  • one side is the ideal control characteristic 178 lying characteristic curve shown as in use bad gas is obtained as fuel.
  • this characteristic curve is curved. Guide curved characteristic curves but bad control behavior. For good regulation it is desirable that the softness of the overall system remains constant across the control range.
  • the control unit 48 which serves the internal combustion engine 10 to operate at constant speed regardless of load, includes the cooperating with the throttle valve 36 Angle encoder 40, the output signal of the Curve 74 in one of the given throttle position received drive power of the internal combustion engine 10 assigned signal is implemented. The latter is applied to the P degree control circuit 96 which the P-degree by appropriate modification of the target speed signal adjusted depending on the load.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
EP00103210A 1999-04-18 2000-02-17 Dispositif pour commander la position d'un papillon d'admission d'un moteur à combustion interne Withdrawn EP1046800A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1999117417 DE19917417A1 (de) 1999-04-18 1999-04-18 Einrichtung zum Regeln der Stellung einer Drosselklappe einer Brennkraftmaschine
DE19917417 1999-04-18

Publications (2)

Publication Number Publication Date
EP1046800A2 true EP1046800A2 (fr) 2000-10-25
EP1046800A3 EP1046800A3 (fr) 2002-07-31

Family

ID=7904928

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00103210A Withdrawn EP1046800A3 (fr) 1999-04-18 2000-02-17 Dispositif pour commander la position d'un papillon d'admission d'un moteur à combustion interne

Country Status (2)

Country Link
EP (1) EP1046800A3 (fr)
DE (1) DE19917417A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1296048A2 (fr) * 2001-09-20 2003-03-26 Honda Giken Kogyo Kabushiki Kaisha Système de contrôle pour moteur polyvalent
WO2006086064A1 (fr) * 2005-02-04 2006-08-17 Caterpillar Inc. Regulateur de vitesse de moteur a combustion interne

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8080950B2 (en) * 2009-03-16 2011-12-20 Unico, Inc. Induction motor torque control in a pumping system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61232341A (ja) * 1985-04-05 1986-10-16 Nippon Carbureter Co Ltd エンジンの回転速度制御方法
KR910001692B1 (ko) * 1987-01-20 1991-03-18 미쓰비시 뎅끼 가부시끼가이샤 내연기관의 회전수 제어장치
KR930006165B1 (ko) * 1988-11-09 1993-07-08 미쓰비시전기주식회사 기관회전수의 제어장치
JP2551656B2 (ja) * 1989-04-20 1996-11-06 株式会社豊田中央研究所 内燃機関の回転速度制御装置
JP3338195B2 (ja) * 1994-08-10 2002-10-28 本田技研工業株式会社 内燃機関の吸入空気量制御装置
DE19740186A1 (de) * 1997-09-12 1999-03-18 Bosch Gmbh Robert Verfahren und Vorrichtung zur Regelung einer Betriebsgröße eines Fahrzeugs

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1296048A2 (fr) * 2001-09-20 2003-03-26 Honda Giken Kogyo Kabushiki Kaisha Système de contrôle pour moteur polyvalent
EP1296048A3 (fr) * 2001-09-20 2004-09-22 Honda Giken Kogyo Kabushiki Kaisha Système de contrôle pour moteur polyvalent
US6915777B2 (en) 2001-09-20 2005-07-12 Honda Giken Kogyo Kabushiki Kaisha Control system for general-purpose engine
WO2006086064A1 (fr) * 2005-02-04 2006-08-17 Caterpillar Inc. Regulateur de vitesse de moteur a combustion interne

Also Published As

Publication number Publication date
EP1046800A3 (fr) 2002-07-31
DE19917417A1 (de) 2000-10-19

Similar Documents

Publication Publication Date Title
EP0916026B1 (fr) Procede de regulation d'une unite et d'un convertisseur de frequence
DE69405400T2 (de) System und verfahren zur brennstoffzumessung zu einer mit verschiedenen brennstoffen arbeitenden verbrennungsanlage
EP0970304B1 (fr) Procede et dispositif de regulation de la pression dans des systemes d'injection a accumulation avec un element d'ajustement de la pression
DE69732884T2 (de) Elektronisch steuerbares Abblaseventil
DE4219339C2 (de) Abgasrückführungsvorrichtung mit Fehlerdiagnose
DE3424088C2 (fr)
DE3937082C2 (fr)
EP0757169A2 (fr) Dispositif pour la régulation de paramètres de moteur, en particulier la puissance ou la vitesse de rotation d'un moteur à combustion interne
DE102007022348A1 (de) Einrichtung und Verfahren zur Störungsüberwachung
DE1613733A1 (de) Notaggregat zu kurzzeitigen Lieferung elektrischen Stromes
DE10007013A1 (de) Vorrichtung zur Begrenzung der Drehzahl eines Abgasturboladers
DE29724347U1 (de) Frequenzumrichter
DE3739805C3 (de) Vorrichtung zum Regeln der Drehzahl einer Brennkraftmaschine
DE2941513C2 (fr)
DE19732854A1 (de) Einspritzvorrichtungssteuerung für die Kraftstoffeinspritzung
DE3911708C2 (de) Verfahren zum Betreiben einer Antriebseinheit
EP1046800A2 (fr) Dispositif pour commander la position d'un papillon d'admission d'un moteur à combustion interne
DE3911706A1 (de) Verfahren zum betreiben einer antriebseinheit
EP0339135A1 (fr) Dispositif de contrôle composite pour brûleur
DE2802429C2 (de) Abgasreinigungsanlage für eine Brennkraftmaschine
DE3146603A1 (de) "gasturbinentriebwerksanlage mit unabhaengiger stromversorgung des triebwerksregelsystems"
EP2282036B1 (fr) Procédé et dispositif de commande d'un moteur à combustion interne dans un véhicule
EP0109533A1 (fr) Installation électrique pour supprimer les mouvements saccadés des véhicules
EP0299072A1 (fr) Regulateur de vitesse de rotation pour moteur thermique
DE19725832C1 (de) Verfahren und Einrichtung zum Erzeugen einer Wasser-in-Dieselöl-Emulsion

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20020903