Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Transmission control
Reexamination Certificate
2008-05-13
2008-05-13
Hellner, Mark (Department: 3663)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Transmission control
C701S055000, C701S056000, C477S078000
Reexamination Certificate
active
11449310
ABSTRACT:
What is described is a control system for controlling the coupling between a driveshaft of a motor vehicle propulsion system and a primary input shaft of a gearbox by means of a servo-assisted friction clutch.A control unit receives at its input signals indicating a command imparted by the driver of the motor vehicle by operating the accelerator pedal in a driving-away or gear-changing manoeuvre, and generates—on the basis of a mathematical reference model—reference torque request signals indicating the reference torques requested from the driveshaft and from the friction clutch, the said request signals or data varying in time in such a way as to cause synchronization between the angular velocities of the driveshaft and of the primary gear shaft to be reached at the same moment as the difference between the angular accelerations of the said shafts becomes zero.
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patent: 6364811 (2002-04-01), Hubbard et al.
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European Search Report re application No. EP 05425431.1, dated Nov. 3, 2005.
Borodani Pandeli
Ellena Giovanni
Fossanetti Massimo
Gianoglio Renato
Lupo Massimo
C.R.F. Società{grave over ( )} Consortile per Azioni
Cook Alex McFarron Manzo Cummings & Mehler, Ltd.
Hellner Mark
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