Machine element or mechanism – Gearing – Interchangeably locked
Reexamination Certificate
2004-08-12
2008-08-12
Le, David D. (Department: 3681)
Machine element or mechanism
Gearing
Interchangeably locked
C074S330000, C074S331000, C477S074000, C477S077000, C477S079000, C477S086000, C477S174000, C477S176000
Reexamination Certificate
active
07409885
ABSTRACT:
The invention concerns a method of controlling a twin-clutch transmission (10). When the torque transmitted in a first transmission path (C1, E2, Z8, Z9, S2, Z3, Z4) reaches an upper limit given by the torque transmission capacity of that path further additional torque produced by an engine at the drive shaft (I) is transmitted by closure of the second clutch (C2) to the output shaft (O) in parallel relationship by way of a second transmission path (C2, E1, Z1, Z2, S1, Z3, Z4). That permits the output of the engine to be better utilised and makes it possible to achieve better travel characteristics.
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Krauss Christian
Schwekutsch Michael
Getrag Ford Transmissions GmbH
Le David D.
Pennington Joan
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