CONTROL DEVICE FOR TORQUE CONVERTER

PROBLEM TO BE SOLVED: To provide a temperature rise of a friction material while combining fuel economy and operability during slip control of a lock-up clutch in a torque converter. SOLUTION: When the high temperature state of the friction material is detected during control of the lock-up clutch i...

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Bibliographische Detailangaben
Hauptverfasser:	OGAMI TOMOKO, YAMAWAKI MORIMASA
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a temperature rise of a friction material while combining fuel economy and operability during slip control of a lock-up clutch in a torque converter. SOLUTION: When the high temperature state of the friction material is detected during control of the lock-up clutch into a slip state, if an accelerator opening is smaller than a predetermined opening and an automatic transmission is in a region smaller than a predetermined gear ratio (high temperature time L/Uon), the lock-up clutch is completely locked to make the slip amount zero, and in a region other than that region, the lock-up clutch is completely released to put the friction material in a non-frictional state. COPYRIGHT: (C)2011,JPO&INPIT