EP0315751A2 - Dispositif pour limiter la vitesse de rotation maximale d'un moteur à combustion interne entraînant une véhicule - Google Patents

Dispositif pour limiter la vitesse de rotation maximale d'un moteur à combustion interne entraînant une véhicule Download PDF

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Publication number
EP0315751A2
EP0315751A2 EP88114881A EP88114881A EP0315751A2 EP 0315751 A2 EP0315751 A2 EP 0315751A2 EP 88114881 A EP88114881 A EP 88114881A EP 88114881 A EP88114881 A EP 88114881A EP 0315751 A2 EP0315751 A2 EP 0315751A2
Authority
EP
European Patent Office
Prior art keywords
vehicle
combustion engine
internal combustion
limiting
maximum speed
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
Application number
EP88114881A
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German (de)
English (en)
Other versions
EP0315751B1 (fr
EP0315751A3 (en
Inventor
Eugen Neururer
Peter Fietz
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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 Daimler Benz AG filed Critical Daimler Benz AG
Priority to AT88114881T priority Critical patent/ATE71431T1/de
Publication of EP0315751A2 publication Critical patent/EP0315751A2/fr
Publication of EP0315751A3 publication Critical patent/EP0315751A3/de
Application granted granted Critical
Publication of EP0315751B1 publication Critical patent/EP0315751B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02D11/08—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 pneumatic type
    • 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
    • F02D31/007—Electric control of rotation speed controlling fuel supply
    • F02D31/009—Electric control of rotation speed controlling fuel supply for maximum speed control

Definitions

  • the invention relates to a device for limiting the maximum speed of a vehicle driving internal combustion engine according to the preamble of the main claim.
  • a permanent speed limitation is provided to protect the internal combustion engine and reduce its noise level, which can only be canceled by actuating a kick-down switch.
  • the maximum speed of the internal combustion engine can only be achieved under full load specification, namely when the accelerator pedal is fully depressed.
  • control lever deflections that lie between the maximum value (kick-down) and the limited value cannot be achieved with the device according to DE-OS 20 52 792, so that a not insignificant proportion of the operating range of the internal combustion engine cannot be driven at all.
  • the invention is therefore based on the object of a device described in the preamble of the main claim To create a way with which the noise level of the internal combustion engine can be kept to a minimum and which, if necessary, also enables the internal combustion engine to be operated at any desired operating point.
  • the object is achieved by the characterizing feature of the main claim.
  • each operating point of the internal combustion engine can be reached by means of a corresponding fuel metering via the actuator which defines this (e.g. accelerator pedal or adjusting lever on the injection pump), so that the operating state of the internal combustion engine can be optimally adapted to the respective driving conditions at any time .
  • the actuator which defines this (e.g. accelerator pedal or adjusting lever on the injection pump), so that the operating state of the internal combustion engine can be optimally adapted to the respective driving conditions at any time .
  • the adjusting lever 1 is the adjusting lever arranged on an injection pump of an internal combustion engine driving a vehicle, the deflection of which represents a measure of the amount of fuel to be injected.
  • This adjustment lever 1 is via a transmission shown only schematically in the drawing supply linkage 3 connected to an accelerator pedal 2 to be actuated by a driver.
  • the adjusting lever 1 is rotatably supported on a shaft 4.
  • the piston rod 5 of a piston 7 guided in a cylinder 6 serves as a stop for the adjusting lever 1 and is supported against the cylinder 6 in the manner shown via a compression spring 8.
  • a movement of the accelerator pedal 2 in the direction of arrow 9 or the adjusting lever 1 in the direction of arrow 10 causes an increase in the fuel injection quantity.
  • the piston 7 and the cylinder 6 enclose a working space 11 which can be pressurized by a hydraulic fluid via a pressure medium line 12 by means of a pump 13. Instead of a hydraulic action is also a pneumatic action on the piston 7, z. B. possible by means of an air pressure accumulator.
  • Arranged in the pressure medium line 12 is an electromagnetically acting 3/2-way valve 14, which in turn is controlled via a circuit 15 in which two switches 16 and 17 and a DC voltage source are integrated.
  • the switch 16 is transferred to the closed position when the internal combustion engine is started when the ignition is switched on.
  • the switch 17 can be actuated via a relay 19 in such a way that it is closed when the relay 19 is in the activated state.
  • the working space 11 is connected directly to a reservoir 21 via a return line 20, so that the compression spring 8 can hold the piston 7 unhindered in the position in which the Stop for the adjusting lever 1 acting piston rod 5 allows a maximum deflection of the adjusting lever 1, that is, an operation without limiting the maximum speed.
  • the switch 16 is therefore always closed during operation of the internal combustion engine.
  • An additional closing of the switch 17 or activation of the relay 19 required to limit the maximum rotational speed takes place according to the invention when the vehicle is at a standstill, the signal SI characterizing the vehicle standstill being derived from the tachometer of the vehicle and, after appropriate preparation, the relay 19 activated.
  • the parameters described below can also be used as signals for activating the relay 19 (SII-SV).
  • the relay 19 z. B. can be activated when the selector lever is in the "idle” position or in the "park” position. As soon as a gear is engaged is so that a "cranking" of the internal combustion engine one simultaneous acceleration of the vehicle is hardly conceivable anyway, the maximum speed of the internal combustion engine can be reached again.
  • the relay 19 can be activated when "idling" is engaged or any gear is engaged and the internal combustion engine is separated from the transmission as a result of a clutch pedal operated by the driver.
  • the relay 19 can thus also via a corresponding signal, which, for. B. is generated by means of a arranged in the drive train between the gear and drive wheel torque measuring hub.
  • Activation of the relay 19 is also possible when the parking brake of the vehicle is engaged.
  • SII or SIII also has the advantage that a "cranking up" of the internal combustion engine is not ruled out for when the vehicle is at a standstill but generally when no drive torques can be transmitted to the drive wheels. This is in a manual transmission such. B. also with the gear engaged and the clutch pedal depressed at the same time, regardless of whether the vehicle is still moving or has already come to a standstill.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
EP88114881A 1987-11-12 1988-09-10 Dispositif pour limiter la vitesse de rotation maximale d'un moteur à combustion interne entraînant une véhicule Expired - Lifetime EP0315751B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88114881T ATE71431T1 (de) 1987-11-12 1988-09-10 Vorrichtung zur begrenzung der maximaldrehzahl einer ein fahrzeug antreibenden brennkraftmaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3738394 1987-11-12
DE3738394A DE3738394C1 (de) 1987-11-12 1987-11-12 Vorrichtung zur Begrenzung der Maximaldrehzahl einer ein Fahrzeug antreibenden Brennkraftmaschine

Publications (3)

Publication Number Publication Date
EP0315751A2 true EP0315751A2 (fr) 1989-05-17
EP0315751A3 EP0315751A3 (en) 1990-01-31
EP0315751B1 EP0315751B1 (fr) 1992-01-08

Family

ID=6340322

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88114881A Expired - Lifetime EP0315751B1 (fr) 1987-11-12 1988-09-10 Dispositif pour limiter la vitesse de rotation maximale d'un moteur à combustion interne entraînant une véhicule

Country Status (4)

Country Link
EP (1) EP0315751B1 (fr)
AT (1) ATE71431T1 (fr)
DE (1) DE3738394C1 (fr)
ES (1) ES2029867T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4138336A1 (de) * 1991-11-21 1993-05-27 Man Nutzfahrzeuge Ag Laermarmes kraftfahrzeug, insbesondere lastkraftwagen oder omnibus
GB2314172B (en) * 1996-06-15 2000-08-16 Luk Getriebe Systeme Gmbh Motor vehicle
DE102007003501B4 (de) 2007-01-24 2009-07-09 Audi Ag Verfahren zum Betreiben mindestens eines Antriebsmotors eines Fahrzeugs
FR2918116B1 (fr) * 2007-06-29 2009-09-04 Renault Sas Systeme et procede de detection de l'emballement d'un moteur a combustion interne de vehicule automobile.

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1577147A (fr) * 1967-08-31 1969-08-01
DE2345268A1 (de) * 1972-09-08 1974-03-14 Acec Abgasentgiftervorrichtung zum anlassen von dieselmotoren hoher leistung
FR2209049A1 (fr) * 1972-12-05 1974-06-28 Bosch Gmbh Robert
FR2291356A1 (fr) * 1974-11-12 1976-06-11 Mtu Friedrichshafen Gmbh Dispositif de securite pour moteur a combustion interne
DE2619055A1 (de) * 1976-05-03 1977-11-17 Daimler Benz Ag Drehzahlregler fuer eine einspritzpumpe an luftverdichtenden einspritz- brennkraftmaschinen
EP0076458A1 (fr) * 1981-10-07 1983-04-13 Robert Bosch Gmbh Pompe d'injection de combustible pour moteurs à combustion interne
GB2136503A (en) * 1983-03-10 1984-09-19 Daimler Benz Ag A controller for limiting the speed of an internal combustion engine of a motor vehicle

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2052792A1 (de) * 1970-10-28 1972-05-04 Maschinenfabrik Augsburg Nürnberg AG Zweigniederlassung München, 8000 Mun chen Anlage zur Kraftstoffeinsparung fur Kraftfahrzeuge

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1577147A (fr) * 1967-08-31 1969-08-01
DE2345268A1 (de) * 1972-09-08 1974-03-14 Acec Abgasentgiftervorrichtung zum anlassen von dieselmotoren hoher leistung
FR2209049A1 (fr) * 1972-12-05 1974-06-28 Bosch Gmbh Robert
FR2291356A1 (fr) * 1974-11-12 1976-06-11 Mtu Friedrichshafen Gmbh Dispositif de securite pour moteur a combustion interne
DE2619055A1 (de) * 1976-05-03 1977-11-17 Daimler Benz Ag Drehzahlregler fuer eine einspritzpumpe an luftverdichtenden einspritz- brennkraftmaschinen
EP0076458A1 (fr) * 1981-10-07 1983-04-13 Robert Bosch Gmbh Pompe d'injection de combustible pour moteurs à combustion interne
GB2136503A (en) * 1983-03-10 1984-09-19 Daimler Benz Ag A controller for limiting the speed of an internal combustion engine of a motor vehicle

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Revue Technique Diesel, No. 93D, 09 Oktober 1978, Boulogne-Billancourt, Seiten 94-96; "Les limiteurs de vitesses". *
Revue Technique Diesel, no.93D, 09.10.78, Boulogne-Billancourt, Seiten 94-96: "Les limiteurs de vitesses" *

Also Published As

Publication number Publication date
ES2029867T3 (es) 1992-10-01
EP0315751B1 (fr) 1992-01-08
EP0315751A3 (en) 1990-01-31
DE3738394C1 (de) 1988-08-18
ATE71431T1 (de) 1992-01-15

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