Hybrid utility vehicle
AssigneePolaris Industries Inc.
InventorsBeat R. Kohler, David F. Buehler, Markus Hoffet, Aaron D. Deckard, Stephen L. Nelson
Life of this patent
Estimating the term…
Abstract
A hybrid vehicle may be a series hybrid or a parallel hybrid vehicle. One embodiment of a parallel hybrid vehicle includes an engine, a transmission coupled to the engine, a front drive coupled to the transmission through a prop shaft, a rear drive coupled to the transmission, a traction motor drivingly coupled to the prop shaft, and a battery to operate the traction motor.
Claims28
A parallel hybrid power train for a vehicle, comprising:
- an engine;
- an electric motor/generator;
- a transmission having an input shaft split at a position along a length defining first and second shaft portions, wherein the engine is coupled to an outer end of the first shaft portion and the electric motor/generator is coupled to an outer end of the second shaft portion, at least a second shaft drivingly coupled to the input shaft, the engine and the electric motor/generator being coupled to opposite ends of the transmission input shaft, and the input shaft and the second shaft may be decoupled from each other during operation of the parallel hybrid power train;
- a coupler positioned over an inner end of the first shaft portion and an inner end of the second shaft portion;
- and
- a final drive assembly operably coupled to the first output, the final drive assembly being provided for driving ground engaging members of a vehicle.
A parallel hybrid power train for a vehicle, comprising:
- an engine;
- an electric motor/generator;
- a transmission having an input shaft, at least a second shaft drivingly coupled to the input shaft, the engine and the electric motor/generator being coupled to one of the input or second shafts, and at least a first output, and the input shaft and the second shaft may be decoupled from each other during operation of the parallel hybrid power train;
- and
- a final drive assembly operably coupled to the first output, the final drive assembly being provided for driving ground engaging members of a vehicle,
- wherein the coupling between the input and second shaft is by way of gears.
A parallel hybrid power train for a vehicle, comprising:
- an engine;
- an electric motor/generator;
- a transmission having an input shaft, at least a second shaft drivingly coupled to the input shaft, the engine and the electric motor/generator being coupled to one of the input or second shafts, and at least a first output, and the input shaft and the second shaft may be decoupled from each other during operation of the parallel hybrid power train, wherein the coupling between the input and second shaft is by way of gears;
- a third shaft coupled to the second shaft;
- and
- a final drive assembly operably coupled to the first output, the final drive assembly being provided for driving ground engaging members of a vehicle.
A parallel hybrid power train for a vehicle, comprising:
- an engine;
- an electric motor/generator;
- a transmission having an input shaft, at least a second shaft drivingly coupled to the input shaft, the engine being coupled to the transmission input shaft and the electric motor/generator being coupled to the second shaft, and at least a first output, and the input shaft and the second shaft may be decoupled from each other during operation of the parallel hybrid power train;
- and
- a final drive assembly operably coupled to the first output, the final drive assembly being provided for driving ground engaging members of a vehicle,
- wherein first and second gears are positioned on the input shaft.
A parallel hybrid power train of, for a vehicle, comprising:
- an engine;
- an electric motor/generator;
- a transmission having an input shaft, at least a second shaft drivingly coupled to the input shaft, the engine being coupled to the transmission input shaft and the electric motor/generator being coupled to the second shaft, and at least a first output, and the input shaft and the second shaft may be decoupled from each other during operation of the parallel hybrid power train;
- and
- further comprising a third shaft coupled to the second shaft, wherein the second and third shafts may be decoupled from each other;
- a final drive assembly operably coupled to the first output, the final drive assembly being provided for driving ground engaging members of a vehicle.
A parallel hybrid power train, for a vehicle, comprising:
- an engine;
- an electric motor/generator;
- a transmission having an input shaft, at least a second shaft drivingly coupled to the input shaft, the engine and the electric motor/generator being coupled to one of the input or second shafts, and at least a first output, and the input shaft and the second shaft may be decoupled from each other during operation of the parallel hybrid power train;
- and
- a final drive assembly operably coupled to the first output, the final drive assembly being provided for driving ground engaging members of a vehicle,
- wherein the second shaft is axially offset from the input shaft.
A parallel hybrid power train for a vehicle, comprising:
- an engine;
- an electric motor/generator;
- a transmission having an input shaft, at least a second shaft drivingly coupled to the input shaft, the engine and the electric motor/generator being coupled to one of the input or second shafts, and at least a first output, and the input shaft and the second shaft may be decoupled from each other during operation of the parallel hybrid power train;
- and
- a final drive assembly operably coupled to the first output, the final drive assembly being provided for driving ground engaging members of a vehicle,
- wherein the input shaft extends in an axial direction and a radial direction, and the second shaft is spaced apart from the input shaft in the radial direction and is parallel to the input shaft in the axial direction.
A parallel hybrid power train for a vehicle, comprising:
- an engine;
- an electric motor/generator;
- a transmission having an input shaft, at least a second shaft drivingly coupled to the input shaft, the engine and the electric motor/generator being coupled to one of the input or second shafts, and at least a first output;
- a final drive assembly operably coupled to the first output, the final drive assembly being provided for driving ground engaging members of a vehicle, wherein the transmission input shaft is split at a position along a length defining first and second shaft portions, and the engine is coupled to an outer end of the first shaft portion and the electric motor/generator is coupled to an outer end of the second shaft portion;
- and
- a coupler positioned over an inner end of the first shaft portion and an inner end of the second shaft portion, wherein the coupler is movable along the length of the input shaft, wherein, when in a first position, the first and second shaft portions are coupled together, and when in a second position, the first and second shaft portions are decoupled from each other.
A parallel hybrid power train for a vehicle, comprising:
- an engine;
- an electric motor/generator;
- a transmission having an input shaft, at least a second shaft drivingly coupled to the input shaft, the engine and the electric motor/generator being coupled to one of the input or second shafts, and at least a first output, wherein the transmission input shaft is split at a position along a length defining first and second shaft portions;
- and
- a final drive assembly operably coupled to the first output, the final drive assembly being provided for driving ground engaging members of a vehicle, wherein the coupling between the input and second shaft is by way of gears, and a first gear is positioned on the first shaft portion, a second gear is positioned on the second shaft portion, a third gear is positioned on the second shaft and in engagement with the first gear, a fourth gear is positioned on the second shaft and in engagement with the second gear, and one of the third gear or fourth gear is laterally movable along the second shaft and out of engagement with the first or second gear.
Dependencies are inferred from the claim text.