Motor vehicle transmission with lock-up clutch for torque converter

The transmission has a torque converter (12) in line with an automatic gearbox (14) and with a bridging or lock-up clutch (24) which enables the engine (10) to be directly connected to the automatic gearbox. The clutch can be open or closed, or can operate in a slip mode. During travel up and inclin...

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Bibliographische Detailangaben
Hauptverfasser:	IWATSUKI, KUNIHIRO, TOYOTA, AICHI, JP, MATSUBARA, TOORU, TOYOTA, AICHI, JP, HARADA, YOSHIHARU, TOYOTA, AICHI, JP, SHIIBA, KAZUYUKI, TOYOTA, AICHI, JP
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BLASTING 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 LIGHTING MECHANICAL ENGINEERING 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 TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The transmission has a torque converter (12) in line with an automatic gearbox (14) and with a bridging or lock-up clutch (24) which enables the engine (10) to be directly connected to the automatic gearbox. The clutch can be open or closed, or can operate in a slip mode. During travel up and incline the control system sets the clutch into the open position and provides a direct torque control. The travel up the incline is detected by monitoring the throttle setting and the road/engine speed and the gear settings. These parameters are compared with a stored set of values to determine if the change in speed is typical of travel along the flat or up an incline.