Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alan L. Miller0
Drew A. Sundquist0
Dan J. Showalter0
Will Watson0
Roger T. Simpson0
Date of Patent
March 3, 2009
0Patent Application Number
106323520
Date Filed
August 1, 2003
0Patent Primary Examiner
Patent abstract
An on demand vehicle drive system monitors vehicle performance and operating conditions and controls torque delivery to the vehicle wheels. The system includes a plurality of speed and position sensors, a transfer case having primary and secondary output shafts driving primary and secondary axles and a microcontroller. The sensors include a vehicle speed sensor, a pair of primary and secondary drive shaft speed sensors, and brake and driveline status sensors.
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