Method to reduce backlash in a drive train

Details Method to reduce backlash in a drive train Method to reduce backlash in a drive train

2008-03-11

2008-03-11

Lewis, Tisha (Department: 3681)

Interrelated power delivery controls, including engine control

Clutch control

Regulated clutch engagement

C477S174000, C701S067000, C701S069000

Reexamination Certificate

active

11247801

ABSTRACT:
A method to reduce backlash in a drive train of a four-wheel drive vehicle, the method including receiving rotational parameters from sensors in the four-wheel drive vehicle, determining a torque reversal in the drive train based on the received rotational parameters and sending a command signal to initiate engagement of a clutch pack in a transfer case of the drive train responsive to the determination.

REFERENCES:
patent: 6079535 (2000-06-01), Mueller et al.
patent: 6615126 (2003-09-01), Potter et al.
patent: 6722482 (2004-04-01), Takuno et al.
patent: 7144347 (2006-12-01), Kushino
patent: 7151991 (2006-12-01), Iida

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