Interrelated power delivery controls – including engine control – Transmission control – With clutch control
Reexamination Certificate
2005-01-11
2005-01-11
Wright, Dirk (Department: 3681)
Interrelated power delivery controls, including engine control
Transmission control
With clutch control
Reexamination Certificate
active
06840887
ABSTRACT:
A system is described for minimizing engine torque disturbances that would otherwise cause degraded drive feel by a vehicle driver. The system utilizes multiple torque transmission paths of a transaxle unit mounted to the engine. The system manipulates the torque transmitted by adjusting the clutches of multiple torque transmission paths so that the torque disturbance in the engine results in relatively constant vehicle drive torque. In one example, a potential torque increase at high speed and low airflow that may be cause using electronically actuated valves is compensated for using multiple paths of the transmission. In this way, relatively constant output torque can be maintained.
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Hrovat Davorin David
Kolmanovsky Ilya V.
Ford Global Technologies LLC
Lippa Allan J.
Wright Dirk
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