Integrated powertrain system
A powertrain system including a first housing, a first electric motor that drives a first wheel, a first inverter coupled to the first electric motor, a first gear reducer coupled to the first electric motor. The first gear reducer couples to a first wheel. The powertrain system also includes a second electric motor that drives a second wheel, a second inverter coupled to the second electric motor, a second gear reducer coupled to the second electric motor. The second gear reducer couples to a second wheel. The housing houses the first electric motor, the first inverter, the first gear reducer, the second electric motor, second inverter, and the second gear reducer.
1. A powertrain system, comprising:
a first housing and a second housing;
a first electric motor configured to drive a first wheel;
a first inverter coupled to the first electric motor;
a first gear reducer coupled to the first electric motor, wherein the first gear reducer is configured to couple to the first wheel;
a second electric motor configured to drive a second wheel;
a second inverter coupled to the second electric motor;
a second gear reducer coupled to the second electric motor, wherein the second gear reducer is configured to couple to the second wheel;
a third electric motor configured to drive a third wheel and a fourth wheel; and
an energy interface unit comprising a DC/DC converter; and,
wherein the first housing is configured as single structure having a rectangular shape, and completely encloses the first electric motor, the first inverter, the first gear reducer, the second electric motor, the second inverter, first communication lines, a first cooling system and the second gear reducer, and the energy interface unit is coupled to the first housing; and
the second housing configured as single structure having a rectangular shape, and completely encloses the third electric motor, second communication lines, and a second cooling system.
2. The powertrain system of claim 1 , wherein the second housing completely encloses a third inverter and a third gear reducer.
3. The powertrain system of claim 2 , wherein the second housing completely encloses a transmission coupled to the third gear reducer.
4. The powertrain system of claim 1 , comprising a third housing wherein the third housing completely encloses an onboard computer, and wherein the third housing is operatively connected to the second housing.
5. The powertrain system of claim 4 , wherein the third housing completely encloses a DC/DC converter.
6. An electric vehicle, comprising:
a powertrain system, comprising:
a first housing;
a first electric motor configured to drive a first wheel;
a first inverter coupled to the first electric motor;
a first gear reducer coupled to the first electric motor, wherein the first gear reducer couples to the first wheel;
a second electric motor configured to drive a second wheel;
a second inverter coupled to the second electric motor;
a second gear reducer coupled to the second electric motor, wherein the second gear reducer couples to the second wheel;
a third electric motor configured to drive a third wheel and a fourth wheel; and
an energy interface unit comprising a DC/DC converter; and,
wherein the first housing is configured as single structure having a rectangular shape, and completely encloses the first electric motor, the first inverter, the first gear reducer, the second electric motor, the second inverter, first communication lines, a first cooling system and the second gear reducer, and the energy interface unit is coupled to the first housing; and
the second housing configured as single structure having a rectangular shape, and completely encloses the third electric motor, second communication lines, and a second cooling system.
7. The electric vehicle of claim 6 , wherein the first and second wheels are front wheels on the electric vehicle.
8. The electric vehicle of claim 6 , wherein the first and second wheels are rear wheels on the electric vehicle.
9. The electric vehicle of claim 8 , wherein the third and fourth wheels are front wheels on the electric vehicle.
10. The electric vehicle of claim 8 , wherein the second housing completely encloses a third inverter and a third gear reducer.
11. The electric vehicle of claim 8 , wherein the second housing completely encloses a transmission coupled to the third gear reducer.
12. The electric vehicle of claim 8 , comprising a third housing wherein the third housing completely encloses an onboard computer, and wherein the third housing is operatively connected to the second housing.
13. The electric vehicle of claim 12 , wherein the third housing completely encloses a DC/DC converter.
14. The electric vehicle of claim 12 , wherein the third housing couples to the second housing.