WO2001006152A1 - Temperaturabhängige steurungsvorrichtung einer kupplung oder eines fahrzeuggetriebes - Google Patents
Temperaturabhängige steurungsvorrichtung einer kupplung oder eines fahrzeuggetriebes Download PDFInfo
- Publication number
- WO2001006152A1 WO2001006152A1 PCT/DE2000/002254 DE0002254W WO0106152A1 WO 2001006152 A1 WO2001006152 A1 WO 2001006152A1 DE 0002254 W DE0002254 W DE 0002254W WO 0106152 A1 WO0106152 A1 WO 0106152A1
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- WO
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- Prior art keywords
- predetermined
- temperature
- control device
- characteristic
- transmission
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
- F16D48/068—Control by electric or electronic means, e.g. of fluid pressure using signals from a manually actuated gearshift linkage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/11—Stepped gearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
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- B60W30/18—Propelling the vehicle
- B60W30/1819—Propulsion control with control means using analogue circuits, relays or mechanical links
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- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
- F16D48/066—Control of fluid pressure, e.g. using an accumulator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
- B60W50/0205—Diagnosing or detecting failures; Failure detection models
- B60W2050/021—Means for detecting failure or malfunction
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/143—Alarm means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/02—Clutches
- B60W2510/0241—Clutch slip, i.e. difference between input and output speeds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
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- B60W2510/0291—Clutch temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0676—Engine temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/12—Brake pedal position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/104—Clutch
- F16D2500/10406—Clutch position
- F16D2500/10412—Transmission line of a vehicle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/305—Signal inputs from the clutch cooling
- F16D2500/3055—Cooling oil properties
- F16D2500/3056—Cooling oil temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/306—Signal inputs from the engine
- F16D2500/3063—Engine fuel flow rate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
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- F16D2500/3065—Torque of the engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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- F16D2500/00—External control of clutches by electric or electronic means
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- F16D2500/3067—Speed of the engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/308—Signal inputs from the transmission
- F16D2500/30806—Engaged transmission ratio
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/50—Problem to be solved by the control system
- F16D2500/502—Relating the clutch
- F16D2500/50236—Adaptations of the clutch characteristics, e.g. curve clutch capacity torque - clutch actuator displacement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/70—Details about the implementation of the control system
- F16D2500/706—Strategy of control
- F16D2500/70605—Adaptive correction; Modifying control system parameters, e.g. gains, constants, look-up tables
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H2059/006—Overriding automatic control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/08—Range selector apparatus
- F16H2059/082—Range selector apparatus with different modes
- F16H2059/084—Economy mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/08—Range selector apparatus
- F16H2059/082—Range selector apparatus with different modes
- F16H2059/085—Power mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/08—Range selector apparatus
- F16H2059/082—Range selector apparatus with different modes
- F16H2059/087—Winter mode, e.g. to start on snow or slippery surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/68—Inputs being a function of gearing status
- F16H59/72—Inputs being a function of gearing status dependent on oil characteristics, e.g. temperature, viscosity
- F16H2059/725—Sensing or calculating temperature of friction devices, e.g. clutches to prevent overheating of friction linings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/68—Inputs being a function of gearing status
- F16H59/72—Inputs being a function of gearing status dependent on oil characteristics, e.g. temperature, viscosity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/74—Inputs being a function of engine parameters
- F16H59/78—Temperature
Definitions
- the invention relates to a control device which can be used in particular in a motor vehicle, a method for operating such a device and a motor vehicle.
- Control devices for operating a motor vehicle or for operating the internal combustion engine or a clutch or a transmission of a motor vehicle are already known.
- a control device which can send signals to an automated manual transmission for actuation thereof.
- the signals are transmitted in accordance with predetermined driving modes or driving programs.
- a control device for controlling an electronically controlled clutch in which the clutch is opened or closed or partially closed according to a predetermined characteristic, so that it slips.
- control devices have controlled devices such as an internal combustion engine or a transmission device or a clutch device in such a way that functional impairments on these devices have been found.
- the invention is therefore based on the object of providing a control device, a method for operating such a vehicle and a motor vehicle, by means of which the operational safety of a motor vehicle is improved, which can be produced inexpensively and in a structurally simple manner, and which actuation of a motor vehicle is adapted to the needs Motor vehicle or its components allows.
- control device according to claim 1.
- Use according to the invention is the subject of claim 33.
- a motor vehicle according to the invention is the subject of claim 34.
- a method according to the invention is the subject of claim 35 or claim 36.
- a control device for controlling at least one device is proposed, which can be arranged at least partially in the drive train of a motor vehicle.
- the device which can be arranged at least partially in the drive train of a motor vehicle, is in the sense of the present invention in particular a drive device and / or a clutch device and / or a transmission device of a motor vehicle.
- a drive device in the sense of the present invention is in particular a motor, an internal combustion engine or the like.
- a clutch device in the sense of the present invention is, in particular, a device which can transmit or cannot transmit a torque of a first shaft to a second shaft in different switching positions and, if appropriate, can partly transmit it in at least a third switching position.
- the clutch device can be designed as a friction clutch or as a starting clutch or as a reversing set clutch or as a magnetic powder clutch or as a converter lock-up clutch or the like.
- a clutch device is designed as an electronically controlled clutch device, in which the switching between different switching positions of the clutch device is carried out electronically controlled.
- An electronically controlled clutch device is, in particular, a clutch device which is described or offered by the applicant under the name "Electronic clutch management" (EKM).
- a transmission device in the sense of the present invention is, in particular, a device which can be shifted in steps or steplessly into different shift positions, in which it generates a different transmission ratio between two shafts.
- the transmission device can be designed as a change-speed transmission or as a conical pulley belt transmission or the like. Switching operations of the transmission device between different switching stages can in particular be carried out automatically or by hand or partially automatically or automatically with additional intervention options by hand. When switching from a first switching position to a second switching position, a traction interruption may or may not exist.
- the transmission device is designed in particular as an automatic transmission or as an automated manual transmission.
- An automatic transmission in the sense of the present invention is, in particular, a transmission device in which switching operations can be controlled automatically without interruption of tractive force and which in particular has a planetary transmission.
- An automated manual transmission in the sense of the present invention is to be understood in particular as a transmission device in which switching operations can be controlled automatically with an interruption in tractive force.
- the automated manual transmission can have at least one electric motor for actuating switching operations.
- shift stage or gear stage is to be understood in the sense of the present invention in particular as a shift position in which a predetermined transmission ratio a transmission device is connected, these terms refer both to a continuously variable transmission device and to a stepped transmission device.
- the control device can generate output signals which it can transmit to at least one of the devices which are arranged in the drive train of the motor vehicle. These signals can cause this device to be moved to different operating positions.
- a clutch device can be opened further or closed more tightly or a transmission device can be shifted into different gear stages.
- control device is connected to or in signal connection with at least one temperature determination device.
- a connection between two devices between which signals can be transmitted means in particular that the connected devices are spatially separated from one another or that one of these devices is an integral part of the other device.
- the signal transmission can be carried out in particular without contact or via cables or the like.
- the transmitted signal in the sense of this invention in particular an analog or a discrete or a digital or a pulse width modulated signal.
- the temperature determination device can determine the temperature of a device and / or a medium and / or create an energy balance for a device or the medium.
- the temperature determination device preferably determines the energy, in particular the thermal energy, which is currently in the device or the medium. This energy, or this thermal energy, which is given in the device or the medium, is also referred to as energy input in the sense of this invention.
- the device the temperature of which is determined or for which an energy balance is drawn up, is, in the sense of the invention, in particular the internal combustion engine of a motor vehicle or a piston or cylinder of such an internal combustion engine or an electric motor of a clutch device or a gear device or a gear device or a clutch device or the like ,
- the medium whose temperature can be determined or for which an energy balance can be drawn up is, in particular, the cooling water of a cooling water circuit of a motor vehicle or the oil of an oil circuit of a motor vehicle.
- the temperature determination device and / or the control device can use the temperature that it has determined, generally referred to as temperature in the sense of this invention, to assess whether the device, the temperature of which has been determined, has warmed up or not. In a corresponding manner, the temperature determination device can determine or assess on the basis of the energy balance whether the medium or the device for which the energy balance was drawn has warmed up or not.
- an energy balance or a temperature determination is carried out for a medium or a device in order to indirectly determine in this way whether another device or another medium has warmed up or not.
- the temperature of the cooling water is determined to determine whether the engine has warmed up or not.
- the temperature determination device can transmit a signal to the control device which indicates to the control device the temperature or the energy input into a predetermined device or into a predetermined medium.
- the control device generates output signals according to a cooling characteristic, which it transmits to the device arranged in the drive train when the temperature determining device indicates that the temperature at a predetermined point, for example at a predetermined point in the device, the temperature of which has been determined, is greater than a predetermined one Is temperature limit and / or the energy input into a predetermined device or into a predetermined medium is greater than a predetermined energy limit.
- control device generates the output signals according to a cooling characteristic as a function of the temperature and / or the energy input.
- the cooling characteristic can cause the actuation characteristic to be modified or used instead of the actuation characteristic.
- the cooling characteristic has the effect, in particular, that a characteristic value of the device which can be arranged at least partially in the drive train of the motor vehicle or a characteristic value of a device which interacts with this device arranged at least partially in the drive train is changed.
- This characteristic value is changed in particular in such a way that the device, whose temperature or energy input has been determined, or the medium, whose temperature or energy input has been determined, cools down or can cool down or at least does not heat up.
- the control device can generate output signals which cause the clutch device to be switched to different switching positions, the clutch device in particular, it can be switched to at least one first switching position, in which the clutch device cannot transmit any torque, and it can be switched to at least one second switching position, in which the clutch device is essentially closed and a torque introduced into it can be transmitted essentially completely. In this second switching position, the clutch device can in particular completely transmit a torque generated by the drive device.
- the clutch device can additionally be switched into a third shift position, in which the clutch device can transmit an essentially small torque, which is in particular a creeping torque.
- the clutch device slips.
- the invention is particularly advantageous in that it can prevent temperatures occurring in predetermined devices of a motor vehicle, such as an internal combustion engine or a transmission device or a clutch device, which can impair the function of these elements or the motor vehicle or lead to their destruction.
- a motor vehicle such as an internal combustion engine or a transmission device or a clutch device
- circuits are made imprecise due to temperature-related material expansions.
- the transmission device has a shift lever or the like, which can be shifted manually into different shift lever positions.
- the output signals emitted by the control device are generated in particular taking this shift lever position into account.
- the shift lever can preferably be in the shift lever positions "roll-away protection (P)” and / or “reverse drive (R)” and / or “neutral position” (N) "and / or” forward drive (D) "and / or” manual shift possible (M ) “and / or” Steptronic higher gear (+) “and / or” Steptronic lower gear (-) “and / or” Sports mode “and / or” Economy mode “and / or” Winter mode ".
- P roll-away protection
- R reverse drive
- N neutral position
- D forward drive
- M manual shift possible
- the shift position "P” can be switched in particular when a vehicle is parked with a control device according to the invention and in particular has the effect that a predetermined gear stage, such as first gear, is engaged.
- Switching stage “R” in particular enables a vehicle with a control device to drive backwards.
- the shift position “N” in particular causes the transmission device to be shifted into a neutral position or a neutral gear.
- the shift lever position “D” in particular causes a vehicle with a control device to be operated in the forward gear, this operation preferably being carried out in an automated manner.
- the shift lever position “M” in particular causes the shift lever to be in a position from which a higher or a lower gear can be switched on manually.
- the shift position "+” is provided for shifting a higher gear
- the shift position "-” for shifting into a lower gear stage.
- the switch position "sports mode” has the effect, in particular, that the control device generates output signals which cause a motor vehicle with the control device to be operated in a sporty manner.
- a motor vehicle is operated in a sporting manner when it is operated at high speed.
- the gear is shifted to a next higher gear.
- the shift lever position "economy mode” in particular means that a motor vehicle with a control device is operated in a fuel-saving manner.
- the gear is shifted to a next higher gear already at lower speeds.
- the shift lever position "winter operation” causes in particular that the motor vehicle is operated adapted to lower temperatures.
- separate switches can also be provided.
- the motor vehicle in the "D" mode or in the shift lever position “D” the motor vehicle can be operated automatically in sports mode or in economy mode.
- the control device preferably generates the output signals according to a sport characteristic or according to an economy characteristic. Which characteristic the control device selects for generating its output signals depends in particular on the actuation of a fuel metering device.
- a motor vehicle is preferably operated in sport mode when the fuel metering device, such as the accelerator pedal, is frequently heavily actuated, while the control device generates its output signals in accordance with an economy characteristic if it is determined that the fuel metering device is frequently actuated only slightly.
- the temperature determining device has an evaluation device and / or a computing device and / or a storage device and / or a sensor device.
- the sensor device is in particular a temperature sensor device. Temperature or load models which can be used to determine the temperatures or the energy balance are preferably implemented in the storage device and / or in the control device.
- Predetermined characteristic maps or characteristic curves or characteristic values are preferably stored in the memory device, which can be used to determine the energy input into a predetermined device or the temperature of a predetermined device.
- control device or the temperature determination device for calculating the temperature uses temperature or the energy input in a predetermined facility or a predetermined medium maps or characteristic curves or characteristic values. These characteristic values can in particular be operational characteristic values of this device or another device which is included in the motor vehicle.
- an operating characteristic value is in particular a characteristic value which can change during the operation of a motor vehicle or its components, such as the transmission device or clutch device.
- the control device or the temperature determination device preferably uses an electrical current or an electrical voltage, such as, for example, an electrical current or an electrical voltage, which is applied to an electric motor, for determining the temperature and / or the energy input.
- This electrical current or voltage can be the current or the voltage which is present on a selector motor or a switch motor of a transmission device or the current or the voltage which is present on an electric motor of a clutch device which enables the clutch device can be moved to different switching positions.
- This operating characteristic value is preferably the engine speed.
- This operating characteristic value is particularly preferably the switching frequency of predetermined switching operations, such as in particular the switching operations which can be carried out by the transmission device or the clutch device.
- the characteristic value is particularly preferably an average switching frequency. In particular, the characteristic value is the number of switching operations that are carried out in a predetermined time period.
- switching operations of the transmission device and / or the clutch device can be carried out automatically using shifting characteristic curves.
- shifting characteristics show in particular the shifting points or shifting times as a function of predetermined operating characteristics of the motor vehicle or at least one of its components.
- these switching characteristics are changed under predetermined conditions depending on the detected temperature and / or depending on the determined energy input into a predetermined device. Changed or these changed switching characteristics are particularly preferably used to generate the output signals of the control device.
- switching characteristics or switching times depend on the temperature or the energy input of predetermined devices or media.
- the switching characteristics are modified in particular in such a way that the thermal load on the predetermined devices or the predetermined medium is reduced.
- the number of executable and / or initiated switching operations of the transmission device and / or the clutch device is particularly preferably changed as a function of the detected temperature or as a function of the determined energy input. This change is carried out in particular if the temperature is greater than a predetermined limit temperature or the energy input is greater than a predetermined energy limit.
- a display device is preferably provided, which can be designed in particular visually or acoustically and which indicates to the driver of a motor vehicle with a control device under predetermined conditions that the control device wants or will generate its output signals according to a cooling characteristic or that there are conditions which the transmission of the output signals according to a cooling characteristic can be useful, for example to prevent thermal overload.
- the display device visually or acoustically indicates that the control device will generate output signals according to a cooling characteristic if the temperature determining device indicates that the temperature in a predetermined device or a location of a device or the energy input in this device or a predetermined medium is greater than a predetermined temperature or a predetermined energy limit.
- the control device can generate output signals according to a cooling characteristic if a display device has indicated that the control device will generate the output signals according to a cooling characteristic and a predetermined return signal, which in particular by the manual actuation of a device on the Display device can be generated, is transmitted to the control device.
- This return signal can indicate to the control device that the output signals should or should not be generated in accordance with the cooling characteristic.
- the invention thus offers in particular the possibility that the driver of a motor vehicle with a control device can confirm or reject when the display device indicates that the control device intends to generate the output signals according to a cooling characteristic because the temperature and / or the energy input in predetermined Areas has exceeded a predetermined limit.
- the cooling characteristic means that the control device does not generate predetermined output signals for at least a predetermined time period or until a predetermined event occurs when the temperature determination device indicates that the temperature in a predetermined position or
- Point is greater than a predetermined temperature limit and / or the energy input into a predetermined device or medium is greater than a predetermined energy limit.
- control device Particular functionalities of the control device are particularly preferably no longer carried out for at least a predetermined time period or event-controlled by the control device or its output signals under predetermined circumstances, that is to say in particular when the thermal energy in predetermined devices and / or in predetermined media has exceeded a predetermined limit or enables. For example, it is prevented that a start in fourth gear is possible, or it is prevented that the clutch can be operated slipping, or it is only possible to open the clutch if a different gear stage is to be selected or the vehicle is to be stopped or like.
- the cooling characteristic is an emergency driving characteristic under predetermined conditions.
- This emergency driving characteristic has the effect, in particular, that only predetermined switching operations of the transmission device and / or the clutch device can be shifted. This ensures that the motor vehicle can be operated with a control device.
- only one emergency driving program is carried out, which in particular can be an emergency driving program that can also be used for other purposes.
- an emergency driving program is particularly preferably carried out which essentially corresponds to an emergency driving program which is initiated and executed in the event of sensor failure of predetermined sensors of a motor vehicle.
- the emergency driving program is in particular a predetermined characteristic, according to which the control device generates output signals.
- the engine temperature or the cooling temperature or the energy input into the engine or the cooling water determined wherein the control device controls the transmission device according to a cooling characteristic if the determined temperature is greater than a predetermined temperature limit or the energy input is greater than a predetermined energy limit.
- the switching frequency of the transmission device is preferably increased so that more switching operations are carried out per unit of time. This increase in the switching frequency has the effect, in particular, that the proportion of drive train interruptions is increased and / or the proportion of time in which a higher gear is shifted increases. This has the effect that the average engine speed is reduced, so that the engine is operated at an operating point with more favorable efficiency and thus also more economically. Due to the lower proportion of lost energy due to the improved efficiency, the engine temperature can be reduced, so that overheating of the cooling water can be prevented.
- the engine temperature and / or the cooling water temperature and / or the energy input into the engine or the cooling water is determined, the engine speed being reduced if the temperature is greater than a predetermined temperature limit or the energy input is greater than a predetermined energy limit is.
- the engine speed is limited to a predetermined value, which can be variable and in particular can depend on the current cooling water temperature.
- the driving program or the driving mode in which a motor vehicle is operated is changed under predetermined conditions if it is determined that the cooling water temperature or the engine temperature or the energy input into the cooling water or into the engine is greater than is a predetermined limit.
- the economy mode is automatically or automatically switched over when the temperature has exceeded a predetermined temperature limit or the energy input is greater than a predetermined energy limit is.
- the manual mode is automatically switched to economy mode when it is determined that the energy input into the predetermined device or the predetermined medium is greater than a predetermined energy input or the temperature is greater than a predetermined temperature limit.
- the engine speed or the average engine speed is reduced or the switching frequency is increased or a changed switching program is used if it is determined that the engine temperature is in a predetermined high temperature range, which in particular is greater than a predetermined limit temperature and / or the engine speed and / or the engine torque are in a range which enables an upshift to a higher gear in accordance with predetermined criteria and / or in accordance with predetermined circumstances a change in the operating parameters is not excluded and / or a vehicle with an automated manual transmission is operated in an automated mode, in particular when the shift lever is in the "D" position.
- Criteria that allow a higher gear to be engaged can be a predetermined minimum driving comfort or economic criteria, such as a limit for fuel consumption or the like.
- the control device generates its output signals according to a cooling characteristic if the temperature of the coupling device or a component of the coupling device has exceeded a predetermined temperature limit and / or the energy input into this component or the coupling device is greater than a predetermined energy limit, the output signals of the control device in particular have the effect that the driving comfort in a vehicle with a control device is impaired.
- the output signals of the control device are particularly preferably generated when a clutch temperature or a temperature of a component of the clutch device is determined, which is greater than a predetermined temperature limit or if the energy input into the coupling device or the component is greater than a predetermined energy limit.
- Such an emergency running characteristic can in particular make it possible for a vehicle to still be able to be operated, although predetermined driving functionalities cannot be carried out.
- the emergency running characteristic can in particular also be designed in such a way that the vehicle jerks while driving, so that the driver is advised of the functional impairment, in particular the elevated temperature.
- the control device generates output signals as a function of a cooling characteristic if it is determined that the coupling temperature or the temperature of a component of the coupling device or the energy input into the coupling tion device or the component is greater than a predetermined limit temperature or greater than a predetermined energy limit.
- the component of the coupling device can in particular be an electric motor which effects the actuation of the coupling device.
- the cooling characteristic preferably has the effect that a limited number of switching operations of the transmission device can be switched.
- the cooling characteristic particularly preferably has the effect that the switching operations of the clutch device can only be carried out if predetermined conditions exist. Such a condition can be, in particular, that a gear change is to be shifted or the motor vehicle is to be stopped with a control device.
- the cooling characteristic preferably has the effect that only predetermined switching operations of the transmission device can be carried out, in particular the number of permissible and / or executed switching operations of the transmission device being reduced.
- the temperature determination device detects the temperature of the transmission device or a component of the transmission device or the energy input into the transmission device or the component, the control device generating the output signals according to a cooling characteristic if this energy input is greater than a predetermined energy input or this temperature is greater than a predetermined temperature.
- These output signals generated in accordance with the cooling characteristic have the effect that switching operations of the transmission device are switched at changed switching times or switching times, that is to say at switching times or switching times which are different from those at which switching takes place when the temperature or the energy input is less, in particular less than a predetermined limit.
- the cooling characteristic preferably has the effect that at least one switching characteristic, which can be used to generate output signals of the control device, is changed, it being particularly preferably changed such that it has a greater switching hysteresis.
- the cooling characteristic preferably has the effect that predetermined switching functionalities are at least temporarily switched off, i.e. cannot (cannot) be carried out, such as, in particular, the switching functionality that a forced downshift is carried out when it is detected that a motor vehicle with a control device is driving downhill or uphill moves.
- the object is further achieved by use according to claim 33.
- the object is further achieved by a motor vehicle according to claim 34.
- the object is further achieved by a method for operating a control device according to claim 35.
- the object is further achieved by a method for operating a motor vehicle according to claim 36.
- Omission of one or more characteristics is preferred in each case.
- the methods according to the invention are also preferred in combination.
- Figure 1 shows a first exemplary embodiment of the invention in a schematic, partially sectioned view.
- FIG. 2 shows a second exemplary embodiment of the invention in a schematic, partially sectioned view
- Fig. 3 shows an exemplary process flow according to the invention in a schematic representation.
- FIG. 1 schematically shows a vehicle 1 with a drive unit 2, such as an engine or internal combustion engine. Furthermore, a torque transmission system 3 and a transmission 4 are shown in the drive train of the vehicle.
- the torque transmission system 3 is arranged in the power flow between the engine and the transmission, a drive torque of the engine being transmitted via the torque transmission system to the transmission and from the transmission 4 on the output side to an output shaft 5 and to a downstream axis 6 and to the wheels 6a becomes.
- the torque transmission system 3 is designed as a clutch, such as a friction clutch, multi-plate clutch, magnetic powder clutch or converter lock-up clutch, wherein the clutch can be a self-adjusting clutch that compensates for wear.
- the transmission 4 is shown as a manual transmission, such as a multi-speed transmission.
- the transmission can also be an automated manual transmission, which can be shifted automatically by means of at least one actuator.
- an automated manual transmission is to be understood as an automated transmission which is shifted with an interruption in tractive force and the shifting operation of the transmission ratio is carried out in a controlled manner by means of at least one actuator.
- an automatic transmission can also be used, an automatic transmission being a transmission essentially without interruption of tractive power during the switching operations and which is generally constructed by means of planetary gear stages.
- a continuously variable transmission such as a conical pulley belt transmission
- the automatic transmission can also be designed with a torque transmission system 3 arranged on the output side, such as a clutch or friction clutch.
- the torque transmission system can also be designed as a starting clutch and / or reversing set clutch for reversing the direction of rotation and / or a safety clutch with a selectively controllable, transferable torque.
- the torque transmission system can be a dry friction clutch or a wet friction clutch that runs in a fluid, for example. It can also be a torque converter.
- the torque transmission system 3 has a drive side 7 and an output side 8, a torque being transmitted from the drive side 7 to the output side 8 by the clutch disk 3a being acted upon by means of the pressure plate 3b, the plate spring 3c and the release bearing 3e and the flywheel 3d becomes.
- the release lever 20 is actuated by means of an actuating device, such as an actuator.
- the torque transmission system 3 is controlled by means of a control unit 13, such as a control unit, which can include the control electronics 13a and the actuator 13b.
- a control unit 13 such as a control unit
- the actuator and the control electronics can also be arranged in two different structural units, such as housings.
- the control unit 13 can contain the control and power electronics for controlling the electric motor 12 of the actuator 13b. In this way it can advantageously be achieved, for example, that the system requires the installation space for the actuator with electronics as the only installation space.
- the actuator consists of a drive motor 12, such as an electric motor, the electric motor 12 acting on a master cylinder 11 via a gear, such as a worm gear or spur gear or crank gear or threaded spindle gear. This effect on the master cylinder can take place directly or via a linkage.
- the movement of the output part of the actuator is detected with a clutch travel sensor 14, which detects the position or position or the speed or the acceleration of a variable which is proportional to the position or engagement position or the speed or acceleration of the Clutch is.
- the master cylinder 11 is connected to the slave cylinder 10 via a pressure medium line 9, such as a hydraulic line.
- the output element 10a of the slave cylinder is operatively connected to the release lever or release means 20, so that a movement of the output part 10a of the slave cylinder 10 causes the release means 20 to also be moved or tilted in order to control the torque which can be transmitted by the clutch 3.
- the actuator 13b for controlling the transmissible torque of the torque transmission system 3 can be actuatable by pressure medium, ie it can be actuated by means of Pressure transmitter and Nehmerzyli ⁇ der be equipped.
- the pressure medium can be, for example, a hydraulic fluid or a pneumatic medium.
- the actuation of the pressure medium transmitter cylinder can be provided by an electric motor, wherein the electric motor 12 can be controlled electronically.
- the drive element of the actuator 13b can also be another drive element, for example actuated by pressure medium.
- Magnetic actuators can also be used to adjust a position of an element.
- the transferable torque is controlled in that the friction linings of the clutch disc are pressed in a targeted manner between the flywheel 3d and the pressure plate 3b.
- the force applied to the pressure plate or the friction linings can be controlled in a targeted manner via the position of the disengaging means 20, such as a disengagement fork or central release mechanism, the pressure plate being moved between two end positions and being able to be set and fixed as desired.
- One end position corresponds to a fully engaged clutch position and the other end position corresponds to a fully disengaged clutch position.
- a position of the pressure plate 3b can be controlled, for example, which is in an intermediate region between the two end positions.
- the clutch can be fixed in this position by means of the targeted actuation of the disengaging means 20.
- sensors are still used, which at least temporarily monitor the relevant variables of the entire system and the controls necessary for control. deliver status values, signals and measured values that are processed by the control unit, whereby a signal connection to other electronic units, such as, for example, to motor electronics or electronics of an anti-lock braking system (ABS) or an anti-slip control (TCS) can be provided and can exist.
- the sensors detect, for example, speeds such as wheel speeds, engine speeds, the position of the load lever, the throttle valve position, the gear position of the transmission, an intention to shift and other vehicle-specific parameters.
- the electronic unit, such as the computer unit, of the control unit 13a processes the system input variables and forwards control signals to the actuator 13b.
- the transmission is designed as a step change transmission, the gear ratios being changed by means of a shift lever or the transmission being actuated or operated by means of this shift lever.
- at least one sensor 19b is arranged on the operating lever, such as shift lever 18, of the manual transmission, which detects the intention to shift and / or the gear position and forwards it to the control unit.
- the sensor 19a is articulated on the transmission and detects the current gear position and / or an intention to shift.
- the intention to shift is detected using at least one of the two sensors 19a, 19b in that the sensor is a force sensor which detects the force acting on the shift lever.
- the sensor can also be designed as a displacement or position sensor, the control unit recognizing an intention to switch from the change in the position signal over time.
- the control unit is at least temporarily in signal connection with all sensors and evaluates the sensor signals and system input variables in such a way that the control unit controls or regulates depending on the current operating point. Issues instructions to the at least one actuator.
- the drive element 12 of the actuator such as an electric motor, receives from the control unit which controls the clutch actuation a manipulated variable as a function of measured values and / or system input variables and / or signals from the connected sensors.
- a control program is implemented as hardware and / or software in the control device, which evaluates the incoming signals and calculates or determines the output variables on the basis of comparisons and / or functions and / or characteristic maps.
- the control unit 13 has advantageously implemented a torque determination unit, a gear position determination unit, a slip determination unit and / or an operating state determination unit or is in signal connection with at least one of these units.
- These units can be implemented by control programs as hardware and / or as software, so that the torque of the drive unit 2 of the vehicle 1, the gear position of the transmission 4 and the slip prevailing in the area of the torque transmission system and the current one are obtained by means of the incoming sensor signals Operating state of the vehicle can be determined.
- the gear position determination unit determines the currently engaged gear on the basis of the signals from the sensors 19a and 19b.
- the sensors are articulated on the shift lever and / or on gearbox-internal adjusting means, such as a central shift shaft or shift rod, and detect them, for example the position and / or the speed of these components.
- a load lever sensor 31 can be arranged on the load lever 30, such as an accelerator pedal, which detects the load lever position.
- Another sensor 32 can act as an idle switch, i.e. when the accelerator pedal, such as the load lever, is actuated, this idle switch 32 is switched on and when the signal is not actuated, it is switched off, so that digital information can be used to recognize whether the load lever, such as the accelerator pedal, is actuated.
- the load lever sensor 31 detects the degree of actuation of the load lever.
- a brake actuation element 40 for actuating the operating brake or the parking brake, such as brake pedal, hand brake lever or hand or foot-operated actuating element of the parking brake.
- At least one sensor 41 is arranged on the actuating element 40 and monitors its actuation.
- the sensor 41 is designed, for example, as a digital sensor, such as a switch, which detects that the actuating element is actuated or not actuated.
- a signal device such as a brake light
- the sensor can also be designed as an analog sensor, such a sensor, such as a potentiometer, determining the degree of actuation of the actuating element. This sensor can also be in signal connection with a signal device.
- the torque transmission system 102 is arranged or fastened on or on a flywheel 102a, wherein the flywheel typically carries a starter ring gear 102b.
- the torque transmission system has a pressure plate 102d, a clutch cover 102e, a plate spring 102f and a clutch disc 102c with friction linings.
- the clutch disk 102c is optionally arranged with a damping device between the clutch disk 102d and the flywheel 102a.
- Energy storage devices act on the pressure plate in the axial direction towards the clutch disc, a release bearing 109, such as, for example, a pressure-actuated central release, being provided for actuating the torque transmission system.
- a release bearing 110 is arranged between the central release and the plate spring tongues of the plate spring 102f.
- the disc spring is acted on by an axial displacement of the release bearing and disengages the clutch.
- the clutch can also be designed as a pressed or a pulled clutch.
- the actuator 108 is an actuator of an automated manual transmission, which also contains the actuation unit for the torque transmission system.
- the actuator 108 actuates shift elements internal to the transmission, such as, for example, a shift drum or shift rods or a central shift shaft of the transmission, it being possible for the gears to be engaged or removed in, for example, sequential order or in any order.
- the clutch actuating element 109 is actuated via the connection 111.
- the control unit 107 is connected to the actuator via the signal connection 112, the signal connections 113 to 115 being connected to the control unit, the line 114 processing incoming signals, the line 113 processing control signals from the control unit and the connection 115, for example by means of a data bus connects to other electronic units.
- the driver essentially operates only the accelerator pedal, such as the load lever 30, the controlled or regulated one automated clutch actuation by means of the actuator controls the transmissible torque of the torque transmission system during a starting process.
- the driver's desire for a more or less strong or rapid starting process is detected by means of the load lever sensor 31 and then controlled accordingly by the control unit.
- the accelerator pedal and the sensor signals of the accelerator pedal are used as input variables for controlling the starting process of the vehicle.
- the transferable torque such as clutch torque M kso u
- the transferable torque is essentially determined by means of a predefinable function or on the basis of characteristic curves or maps, for example as a function of the engine speed, the dependence on the engine speed or others
- Variables, such as the engine torque are advantageously implemented using a characteristic diagram or a characteristic curve.
- an engine torque 40 is activated by means of an engine controller 40.
- the control unit of the automated clutch actuation 13 controls the transmissible torque of the torque transmission system in accordance with specifiable functions or characteristic maps, so that a steady state of equilibrium is established between the actuated engine torque and the clutch torque.
- the state of equilibrium is characterized by a defined starting speed, a starting or engine torque as well as a defined transferable torque of the torque transmission system and a torque transmitted to the drive wheels, such as drive torque.
- the functional relationship of the starting torque as a function of the starting speed is referred to below as the starting characteristic.
- the load lever position a is proportional to the position of the throttle valve of the engine.
- a brake actuating element 120 for actuating the service brake or the parking brake, such as the brake pedal, hand brake lever or hand or foot-operated actuating element of the parking brake.
- At least one sensor 121 is arranged on the actuating element 120 and monitors its actuation.
- the sensor 121 is designed, for example, as a digital sensor, such as a switch, which detects that the actuating element is actuated or not.
- a signal device such as a brake light
- the sensor can also be designed as an analog sensor, such a sensor, such as as a potentiometer, the degree of actuation of the actuating element is determined. This sensor can also be in signal connection with a signal device.
- FIG. 3 shows the sequence of an exemplary method according to the invention.
- step 300 a standard shifting characteristic is specified, according to which the output signals of the control device can be generated in order to effect predetermined shifting operations of the transmission device.
- step 302 it is checked whether the engine speed and the engine torque are in a predetermined range, which in particular allows an upshift to a higher gear in accordance with predetermined criteria.
- step 304 a check is carried out in step 304 as to whether the selected gear stage fulfills predetermined conditions. In particular, it is checked here whether the gear stage selected is a gear stage in which shifting operations are carried out automatically.
- step 306 If, however, the selected gear stage fulfills the predetermined conditions, it is checked in step 306 whether the cooling water temperature is greater than a predetermined temperature limit. If the cooling water temperature is not above this predetermined temperature limit, the standard switching characteristic is maintained. However, if the cooling water temperature is greater than the predetermined temperature limit, the switching characteristic is changed in step 308. Additional query routines can be executed here.
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Control Of Transmission Device (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU66830/00A AU6683000A (en) | 1999-07-14 | 2000-07-06 | Temperature-dependent control device of a coupling or an automobile transmission |
DE10082053.0T DE10082053B4 (de) | 1999-07-14 | 2000-07-06 | Steuerungsvorrichtung einer Kupplung oder eines Fahrzeuggetriebes |
BRPI0006940-0A BR0006940B1 (pt) | 1999-07-14 | 2000-07-06 | dispositivo de controle controlado por temperatura para uma embreagem ou uma caixa de cámbio de um veìculo. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19932755A DE19932755A1 (de) | 1999-07-14 | 1999-07-14 | Steuerungsvorrichtung |
DE19932755.6 | 1999-07-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001006152A1 true WO2001006152A1 (de) | 2001-01-25 |
Family
ID=7914644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2000/002254 WO2001006152A1 (de) | 1999-07-14 | 2000-07-06 | Temperaturabhängige steurungsvorrichtung einer kupplung oder eines fahrzeuggetriebes |
Country Status (7)
Country | Link |
---|---|
KR (1) | KR100764319B1 (de) |
AU (1) | AU6683000A (de) |
BR (1) | BR0006940B1 (de) |
DE (3) | DE19932755A1 (de) |
FR (1) | FR2796341B1 (de) |
IT (1) | IT1318160B1 (de) |
WO (1) | WO2001006152A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102008048442B4 (de) | 2007-09-26 | 2018-10-31 | Jatco Ltd. | Schaltungssteuervorrichtung für Automatikgetriebe und Steuerungsverfahren hierfür |
CN110206878A (zh) * | 2019-04-29 | 2019-09-06 | 东风商用车有限公司 | 一种重型车自动变速箱的换挡控制方法 |
DE102008048439B4 (de) | 2007-09-26 | 2020-06-10 | Jatco Ltd. | Schaltungssteuervorrichtung für Automatikgetriebe und Steuerungsverfahren hierfür |
DE102008048441B4 (de) | 2007-09-26 | 2020-06-10 | Jatco Ltd. | Schaltungssteuervorrichtung für Automatikgetriebe und Steuerungsverfahren hierfür |
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DE10155462B4 (de) * | 2000-11-29 | 2020-06-04 | Schaeffler Technologies AG & Co. KG | Kraftfahrzeug |
JP5100938B2 (ja) * | 2001-08-28 | 2012-12-19 | アイシン精機株式会社 | 自動変速装置 |
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FR2907867B1 (fr) | 2006-10-25 | 2009-07-03 | Peugeot Citroen Automobiles Sa | Systeme et procede d'estimation d'un couple transmis par un embrayage a friction de vehicule automobile |
FR2908484B1 (fr) | 2006-11-10 | 2009-07-10 | Peugeot Citroen Automobiles Sa | Procede et systeme de diagnostic de l'etat de fonctionnement d'un embrayage a friction seche de vehicule automobile. |
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JP4840318B2 (ja) | 2007-09-28 | 2011-12-21 | トヨタ自動車株式会社 | 自動変速機の制御装置 |
JP2009083583A (ja) * | 2007-09-28 | 2009-04-23 | Toyota Motor Corp | 車両の制御装置 |
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JP5690693B2 (ja) * | 2011-09-21 | 2015-03-25 | 本田技研工業株式会社 | 変速制御装置 |
DE102016218569A1 (de) | 2015-10-12 | 2017-04-13 | Schaeffler Technologies AG & Co. KG | Verfahren zum Schutz eines Kupplungssystems eines Fahrzeuges |
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DE102016113282A1 (de) | 2016-07-19 | 2018-01-25 | GETRAG B.V. & Co. KG | Temperaturermittlungsverfahren in einer Hydraulikanordnung |
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- 2000-07-06 DE DE10032906A patent/DE10032906A1/de not_active Withdrawn
- 2000-07-06 KR KR1020017003190A patent/KR100764319B1/ko active IP Right Grant
- 2000-07-06 DE DE10082053.0T patent/DE10082053B4/de not_active Expired - Fee Related
- 2000-07-06 BR BRPI0006940-0A patent/BR0006940B1/pt not_active IP Right Cessation
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102008048442B4 (de) | 2007-09-26 | 2018-10-31 | Jatco Ltd. | Schaltungssteuervorrichtung für Automatikgetriebe und Steuerungsverfahren hierfür |
DE102008048439B4 (de) | 2007-09-26 | 2020-06-10 | Jatco Ltd. | Schaltungssteuervorrichtung für Automatikgetriebe und Steuerungsverfahren hierfür |
DE102008048441B4 (de) | 2007-09-26 | 2020-06-10 | Jatco Ltd. | Schaltungssteuervorrichtung für Automatikgetriebe und Steuerungsverfahren hierfür |
CN110206878A (zh) * | 2019-04-29 | 2019-09-06 | 东风商用车有限公司 | 一种重型车自动变速箱的换挡控制方法 |
CN110206878B (zh) * | 2019-04-29 | 2020-06-26 | 东风商用车有限公司 | 一种重型车自动变速箱的换挡控制方法 |
US11149626B2 (en) | 2019-12-13 | 2021-10-19 | Hyundai Kefico Corporation | Method of cooling high temperature vehicle coolant |
Also Published As
Publication number | Publication date |
---|---|
IT1318160B1 (it) | 2003-07-23 |
DE19932755A1 (de) | 2001-02-01 |
AU6683000A (en) | 2001-02-05 |
DE10082053D2 (de) | 2002-02-28 |
BR0006940A (pt) | 2001-07-31 |
KR20010085787A (ko) | 2001-09-07 |
ITMI20001588A1 (it) | 2002-01-13 |
KR100764319B1 (ko) | 2007-10-05 |
DE10032906A1 (de) | 2001-03-22 |
DE10082053B4 (de) | 2019-06-06 |
FR2796341A1 (fr) | 2001-01-19 |
BR0006940B1 (pt) | 2010-06-15 |
ITMI20001588A0 (it) | 2000-07-13 |
FR2796341B1 (fr) | 2006-12-01 |
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