Traction control method comprising two modulated clutches

Traction control method using two selectable gear ratios TP1, TP2. The method defines desired vehicle speed and at least partially simultaneously engages first and second clutches 9B, 9C with gear ratios to provide, respectively, vehicle drive speeds which are equal / higher and equal / lower than t...

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Bibliographische Detailangaben
1. Verfasser:	Markus Hose
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL BLASTING BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL BRAKES CLUTCHES CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES COUPLINGS FOR TRANSMITTING ROTATION ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Traction control method using two selectable gear ratios TP1, TP2. The method defines desired vehicle speed and at least partially simultaneously engages first and second clutches 9B, 9C with gear ratios to provide, respectively, vehicle drive speeds which are equal / higher and equal / lower than the desired speed, and modulates clutch engagement to provide an effective gear ratio suitable for the desired speed. Clutches 9B, 9C may be friction clutches, possibly regulated to vary torque to driven wheel(s) in response to changing torque demand. Gear ratios may correlate to particular engine speeds (e.g. for turbo activation / engine torque provision), and clutch engagement may be varied to maintain said speed. Clutches 9B, 9C may slip to dissipate engine power as heat, in dependence on terrain type, ambient temperature / pressure, vehicle component temperature, or traction control mode. A gearbox, transmission, powertrain, and powershift or dual clutch may be used to implement the method.