Two-speed transfer case with adaptive clutch control
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United States of America Patent
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Jun 14, 2005
Grant Date -
May 5, 2005
app pub date -
Oct 30, 2003
filing date -
Oct 30, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A transfer case having an input shaft driven by a powertrain, a first output shaft adapted for connection to a first driveline, a second output shaft adapted for connection to a second driveline, an interaxle differential operably disposed between the input shaft and the first and second output shafts, and a torque transfer mechanism. The torque transfer mechanism includes a friction clutch assembly operably disposed between the first output shaft and the second output shaft, and a clutch actuator assembly for generating and applying a clutch engagement force to the friction clutch assembly. The clutch actuator assembly includes an electric motor, a geared reduction unit, and a clutch apply operator. A control system including vehicle sensors and a controller are provided to control actuation of the electric motor.
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