B - Operations – Transporting – 60 – K
Patent
B - Operations, Transporting
60
K
B60K 23/04 (2006.01) B60K 17/36 (2006.01) F16H 48/22 (2006.01) F16H 48/20 (2006.01)
Patent
CA 2532514
The present invention relates to an automatic inter- axle differential (IAD) locking system for a vehicle having a tandem drive axle. The IAD lock system comprises a vehicle IAD having a rotating sliding clutch mechanism and a rotating side helical gear. If the absolute difference between the sliding clutch revolutions per minute (RPM) and the side helical gear RPM is greater than a minimum limit, and if the absolute difference between the sliding clutch RPM and the side helical gear RPM is less than a maximum limit, and the speed of the vehicle is less than a third limit, then a microprocessor engages the IAD lock mechanism.
Beverly James A.
Claussen Stephen P.
Wenstrup Leo J.
Dana Corporation
Dana Heavy Vehicle Systems Group Llc
Ridout & Maybee Llp
LandOfFree
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