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US 7,458,437 B2Granted
Arrangement in a four-wheel drive motor vehicle
AssigneeHaldex Traction AB
InventorPer-Olof Davidsson
Life of this patent
Estimating the term…
Abstract
In a four-wheel drive motor vehicle with a primary drive axle and a secondary drive axle, at least one secondary drive axle coupling of the limited slip type is provided in the powertrain between the engine of the vehicle and the secondary drive axle. A primary drive axle coupling of the limited slip type is provided for the primary drive axle.
Claims9
A four wheel drive motor vehicle, comprising:
- an engine;
- a primary axle having two halves;
- a secondary axle having two halves;
- a primary axle coupling disposed between said engine and said primary axle which varies an amount of torque transmitted from said engine to said primary axle;
- a primary axle differential which distributes the torque transmitted from said engine between the two halves of said primary axle;
- a secondary axle coupling disposed between said engine and said secondary axle which varies an amount of torque transmitted from said engine to said secondary axle;
- and
- a secondary axle differential which distributes the torque transmitted from said engine between the two halves of said secondary axle.
5 more elements
Dependencies are inferred from the claim text.