Hydraulic hybrid vehicle with integrated hydraulic drive...

Motor vehicles – Power – Including traction motor of kind driven by noncompressible...

Reexamination Certificate

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Details

C180S305000, C180S165000, C060S416000, C060S425000

Reexamination Certificate

active

07337869

ABSTRACT:
A vehicle includes an integrated drive module coupled to an axle thereof. The module includes a hydraulic motor configured to provide motive power at an output shaft, and a differential for distributing the motive power to right and left portions of the axle. The hydraulic motor and the differential are encased within a common housing. The vehicle may include a second integrated drive module having, within a housing, a second hydraulic motor (or multiple hydraulic motors), and a second differential coupled thereto and configured to distribute motive power to right and left portions of a second axle. The second module may also include a transmission within the same housing. The transmission may be a two speed or other multi-speed transmission. The second module is configured to operate in neutral while power demand is below a threshold, and to engage while the power demand exceeds the threshold. The second module may be configured to remain engaged for full-time four-wheel-drive operation.

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Fendt Vario TMS, as Illustrated in the Enclosed Photos and Printed Publications, Apr. 2003.

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