US Patent 11878589 Hybrid all-terrain vehicle

A hybrid all-terrain vehicle includes a vehicle frame; a front wheel coupled to a front part of the vehicle frame; a rear wheel coupled to a rear part of the vehicle frame; a drive motor arranged on the vehicle frame; an engine assembly arranged on the vehicle frame and providing electric energy to the drive motor, the engine assembly including a crankshaft, and an axis of the crankshaft being perpendicular to a longitudinal centrosymmetric plane of the hybrid all-terrain vehicle; and a drive shaft extending along a front-rear direction of the vehicle frame and drivingly coupled to the drive motor to transmit a driving force of the drive motor to the front wheel or the rear wheel.