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US 12,622,337 B2Granted
Agricultural vehicle combination
AssigneeDeere & Company
InventorsMichael Meid, Manuel Billich
Life of this patent
Estimating the term…
Abstract
An agricultural vehicle combination including an agricultural tractor, which is operated using a main drive unit, and an ancillary drive unit, which is attached removably to the agricultural tractor by a three-point hitch, and which has an auxiliary axle that can be driven by an ancillary unit including at least one of a combustion engine and an electric motor.
Claims4
An agricultural vehicle combination, comprising:
- an agricultural tractor including a main drive unit, a power take-off, a rear three-point hitch, a front three-point hitch, a hydraulic steering and braking system, and a hydraulic control valve block;
- an ancillary drive unit including an auxiliary axle, an electric motor, a power-split gearbox connected to the power take-off of the agricultural tractor, a further three-point hitch, a further power take-off, a further hydraulic control valve block connected to the hydraulic control valve block of the agricultural tractor, and an auxiliary steering system of active design actuated in accordance with a steering input of the tractor, the ancillary drive unit removably attached to the agricultural tractor by the rear three-point hitch;
- a storage battery attached to the front three-point hitch of the agricultural tractor;
- in a generator operating mode, the electric motor recuperates and temporarily stores energy released during braking of the auxiliary axle in the storage battery;
- and
- in a power boost mode, the electric motor retrieves the energy temporarily stored in the storage battery to feed via the power-split gearbox into the power take-off of the agricultural tractor.
3 more elements
Dependencies are inferred from the claim text.