Arrangement for and method of automatically controlling a differential lock in drive axles of a motor vehicle

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United States of America Patent

PATENT NO 6038506
SERIAL NO

08885097

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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For automatically controlling a differential lock in drive axles of a motor vehicle, an arrangement has a lock coupling, an actuator for actuating the lock coupling, a plurality of rotary speed sensors associated with wheels of the vehicle for forming the rotary speed signal, a control unit for receiving the rotary speed signals and forming a control signal for controlling the actuator means, the control unit including computing means for computing a nominal rotary speed value associated with each of the wheels so that a computed nominal rotary speed value is determined continuously in dependence from a corresponding traveling condition, a first comparing unit for forming a difference rotary speed value from a comparison of a measured rotary speed value with the computed nominal rotary speed value, and a second comparing unit for forming the control signal so that when the difference rotary speed value exceeds a predetermined threshold value the lock coupling is engaged and when the difference rotary speed value is under a predetermined threshold value the lock coupling is disengaged.

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Patent Owner(s)

  • CLAAS KGAA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Diekhans, Norbert Gutersloh, DE 62 2852
Gorzond, Ingo Dassel, DE 1 46

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