IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0950718
(2004-09-27)
|
등록번호 |
US-7521814
(2009-07-01)
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발명자
/ 주소 |
|
출원인 / 주소 |
- Oshkosh Truck Corporation
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
16 인용 특허 :
15 |
초록
▼
A vehicle including a principal power unit that includes a generator coupled to a prime mover. The generator includes at least first and second sets of windings to generate power. The first set of windings is configured to generate power at a first voltage and the second set of windings is configure
A vehicle including a principal power unit that includes a generator coupled to a prime mover. The generator includes at least first and second sets of windings to generate power. The first set of windings is configured to generate power at a first voltage and the second set of windings is configured to generate power at a second voltage that is different from the first voltage.
대표청구항
▼
What is claimed is: 1. An electric vehicle, comprising: a plurality of wheels rotatably supported by a vehicle platform; an electric motor coupled to at least one wheel; a drive controller coupled to the electric motor; a vehicle controller coupled to the drive controller and a data bus network; an
What is claimed is: 1. An electric vehicle, comprising: a plurality of wheels rotatably supported by a vehicle platform; an electric motor coupled to at least one wheel; a drive controller coupled to the electric motor; a vehicle controller coupled to the drive controller and a data bus network; and a principal power unit including a generator coupled to a prime mover, the generator including at least first and second sets of windings to generate power, the first set of windings generating power at a first voltage and the second set of windings generating power at a second voltage that is different from the first voltage, wherein the electric motor is driven by the first voltage, and wherein the vehicle controller is coupled to one of the principal power unit and a power storage unit. 2. The vehicle of claim 1, wherein the first set of windings is configured to generate high voltage three phase power and the second set of windings is configured to generate low voltage three phase power. 3. The vehicle of claim 2, wherein the high voltage is 460 to 480 volt, three phase A/C power and wherein the low voltage is 20 to 44 volt three phase A/C power. 4. The vehicle of claim 2, further including a high voltage A/C bus assembly configured to distribute the high voltage three phase power to at least one high voltage module positioned on the electric vehicle. 5. The vehicle of claim 4, further including a low voltage A/C bus assembly configured to distribute the low voltage three phase power to at least one low voltage module positioned on the electric vehicle. 6. The vehicle of claim 1, including another electric motor and drive controller coupled to another wheel and coupled to the data bus network and the high voltage A/C bus assembly. 7. The vehicle of claim 1, wherein at least eight electric motors and eight drive controllers are coupled to eight wheels and coupled to the data bus network and A/C bus assembly. 8. The vehicle of claim 1, including a differential assembly coupled to the electric motor for driving at least two wheels. 9. The vehicle of claim 1, wherein the principal power unit, a power storage unit, the electric motor, the drive controller, and the vehicle controller are modules removably coupled to the vehicle platform and removably connected to the data bus network and the high voltage A/C bus assembly. 10. The vehicle of claim 9, including a low voltage module removably connected to the data bus network and the low voltage A/C bus assembly. 11. An electric vehicle, comprising: a vehicle support structure; a plurality of wheels rotatably supported by the vehicle structure, wherein at least two of the wheels are steerable; at least one electric motor coupled to at least one of the wheels; a high voltage A/C power bus including at least two phase conductors, wherein the phase conductors are coupled to a principal power unit; a low voltage A/C power bus including at least two phase conductors, wherein the phase conductors are coupled to the principal power unit; a power storage unit coupled to the high voltage AC power bus; a vehicle controller coupled to the electric motor and the high voltage AC power bus; a data bus coupled to the vehicle controller; and a principal power unit supported by the structure, wherein the principal power unit includes a generator, the generator including at least first and second sets of windings to generate power, the first set of windings generating power at a first voltage and the second set of windings generating power at a second voltage that is different from the first voltage, wherein the electric motor is driven by the first voltage; wherein a first set of windings is configured to generate high voltage three phase power and a second set of windings is configured to generate low voltage three phase power; wherein the high voltage A/C bus is configured to distribute the high voltage three phase power to at least one high voltage module positioned on the electric vehicle, and the low voltage A/C bus is configured to distribute the low voltage three phase power to at least one low voltage module positioned on the electric vehicle. 12. The vehicle of claim 11, wherein the high voltage is 460 to 480 volt, three phase A/C power and wherein the low voltage is 20 to 44 volt three phase A/C power. 13. The vehicle of claim 11, including another electric motor and drive controller coupled to another wheel and coupled to the data bus network and the high voltage A/C bus assembly. 14. The vehicle of claim 11, wherein at least eight electric motors and eight drive controllers are coupled to eight wheels and coupled to the data bus network and the high voltage A/C bus assembly. 15. The vehicle of claim 11, including a differential assembly coupled to the electric motor for driving at least two wheels. 16. The vehicle of claim 11, wherein the principal power unit, the power storage unit, the electric motor, the drive controller, and the vehicle controller are modules removably coupled to the vehicle platform and removably connected to the data bus network and the high voltage A/C bus assembly. 17. The vehicle of claim 16, including a low voltage module removably connected to the data bus network and the low voltage A/C bus assembly. 18. The vehicle of claim 11, wherein the vehicle controller is coupled to one of the principal power unit and the power storage unit. 19. An electric vehicle, comprising: a principal power unit including a generator, the generator including at least first and second sets of windings to generate power, the first set of windings generating high voltage three phase power and the second set of windings generating low voltage three phase power; a low voltage A/C bus assembly configured to distribute the low voltage three phase power to at least one low voltage module positioned on the electric vehicle; and at least four wheels including rubber tires, wherein at least two of the wheels are driven by the high voltage three phase power, wherein the low voltage three phase power is not used to drive the electric vehicle. 20. The vehicle of claim 19, wherein the high voltage is 460 to 480 volt, three phase A/C power and wherein the low voltage is 20 to 44 volt three phase A/C power. 21. The vehicle of claim 19, further including a high voltage A/C bus assembly configured to distribute the high voltage three phase power to at least one high voltage module positioned on the electric vehicle. 22. The vehicle of claim 19, wherein the electric vehicle further includes a cooling system including at least a cooling fan, and wherein the cooling fan is powered by the second voltage. 23. The vehicle of claim 19, wherein the electric vehicle includes a refuse box supported by the vehicle. 24. The vehicle of claim 19, wherein the vehicle includes a load handling system for moving a load onto and off of the vehicle.
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