Verfahren zur Reduzierung der thermischen Belastung eines Automatgetriebes für ein Kraftfahrzeug in einem Notfahrbetrieb

The invention relates to an automatic transmission of a motor vehicle which is controlled by an electronic transmission control system which continuously exchanges signals with a digital engine electronics system of an internal combustion engine. To reduce the thermal load on the automatic transmiss...

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Bibliographische Detailangaben
Hauptverfasser:	GIERLING, ARMIN, HENGSTLER, HANS-DIETER, HOFSTAETTER, HELMUT
Format:	Patent
Sprache:	ger
Schlagworte:	BLASTING COMBUSTION ENGINES CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES CONTROLLING COMBUSTION ENGINES ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to an automatic transmission of a motor vehicle which is controlled by an electronic transmission control system which continuously exchanges signals with a digital engine electronics system of an internal combustion engine. To reduce the thermal load on the automatic transmission in emergency operating mode, a transmission-independent program module (M1) of the digital engine electronics system sets an admissible maximum engine torque for the emergency operating mode (M_mot_max_not). Bei einem Automatgetriebe für ein Kraftfahrzeug, das von einer elektronischen Getriebesteuereinrichtung angesteuert wird, die stetig Signale mit einer digitalen Motorelektronik eines Verbrennungsmotors austauscht, wird zur Reduzierung der thermischen Belastung des Automatgetriebes in einem Notfahrbetrieb von einem getriebeunabhängigen Programmmodul (M1) der digitalen Motorelektronik ein zulässiges maximales Motormoment für den Notfahrbetrieb (M_mot_max_not) vorgegeben.