Patent Number: 7,464,779

Title: All-wheel drive motor vehicle

Abstract: An all-wheel drive motor vehicle having at least two wheel axles and comprising an electrical or hydraulic drive unit having a plurality of electric or hydraulic motors connected to an electrical or hydraulic energy source. Each motor is associated with a drive wheel and drives such wheel via a transmission. The motors that are associated with a given one of the wheel axles are adapted to be coupled with one another via a shiftable transverse locking device. At least one of the motors on a first side of the vehicle is adapted to be coupled, via a shiftable longitudinal locking device, with one of the motors associated with a different one of the wheel axles on the same side or on a second side of the vehicle.

Inventors: Grabmaier; Norbert (Unterneukirchen, DE), Helf; Kurt (Riedering, DE)

Assignee: Krauss-Maffei Wegmann GmbH & Co. KG

International Classification: B60K 1/00 (20060101)

Expiration Date: 2021-12-16 0:00:00