TORQUE CONVERTER LOCKUP CLUTCH SLIP CONTROL

A method and system are provided for operating a lockup clutch of a torque converter (116) of a motor vehicle. The torque converter includes a pump (134) rotatably driven by a drive unit (112), a rotatable turbine (136) fluidly coupled to the pump and configured to drive an input shaft of a transmis...

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Bibliographische Detailangaben
Hauptverfasser:	SHULTZ, Jeffrey E, BYERLY, John
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION 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:	A method and system are provided for operating a lockup clutch of a torque converter (116) of a motor vehicle. The torque converter includes a pump (134) rotatably driven by a drive unit (112), a rotatable turbine (136) fluidly coupled to the pump and configured to drive an input shaft of a transmission (114), and a lockup clutch (140) selectively engageable to non-fluidically couple the pump to the turbine to transmit torque from the drive unit to the transmission. The operation of the lockup clutch is controlled by the system in response to detecting that the motor vehicle is coasting.