System and method for charging an on-board battery of an electric vehicle
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60W-020/00
B60W-010/08
B60W-010/196
B60K-006/46
B60K-006/24
B60K-006/36
B60K-006/38
B60K-006/40
B60K-006/405
B60L-011/12
B60W-010/06
B60W-010/26
B60L-001/00
B60L-001/02
B60L-007/14
B60L-011/18
B60L-015/20
F16D-001/033
출원번호
US-0839966
(2013-03-15)
등록번호
US-9187083
(2015-11-17)
우선권정보
EP-09170400 (2009-09-16)
발명자
/ 주소
Wenger, Urs
Kohler, Beat Rene
출원인 / 주소
Polaris Industries Inc.
대리인 / 주소
Faegre Baker Daniels LLP
인용정보
피인용 횟수 :
0인용 특허 :
109
초록
An electric vehicle and a range extender engine are shown including the controls to operate the same.
대표청구항▼
1. A method of charging a battery of an electric vehicle, the electric vehicle including a generator driven by an engine and an electric motor driven by the battery, the electric motor being configured to drive a drive axle of the electric vehicle to move the electric vehicle, the method including:
1. A method of charging a battery of an electric vehicle, the electric vehicle including a generator driven by an engine and an electric motor driven by the battery, the electric motor being configured to drive a drive axle of the electric vehicle to move the electric vehicle, the method including: providing a regenerative braking system with the electric vehicle, the regenerative braking system being configured to transfer kinetic energy of the electric vehicle to the electric motor to rotate the electric motor;rotating the electric motor with electrical power from the battery to move the electric vehicle;generating a first electrical current with the generator, the first electrical current being routed to the battery;rotating the electric motor with the regenerative braking system to slow movement of the electric vehicle and to generate a second electrical current, the second electrical current being routed to the battery;charging the battery with the first and second electrical currents;monitoring the first and second electrical currents during the charging step to determine a total electrical current supplied to the battery; andremoving the first electrical current from the battery upon the total electrical current exceeding a first predetermined threshold. 2. The method of claim 1, wherein the removing step includes stopping the generation of the first electrical current. 3. The method of claim 1, further including the step of re-starting the generation of the first electrical current after a predetermined time delay following the removing step. 4. The method of claim 1, wherein the removing step further includes removing the second electrical current from the battery upon the total electrical current supplied to the battery exceeding a second predetermined threshold after removing the first electrical current from the battery. 5. The method of claim 4, wherein the first predetermined threshold and the second predetermined threshold are the same. 6. The method of claim 1, wherein the removing step includes one of disabling the regenerative braking system and routing the second electrical current generated by the regenerative braking system away from the battery. 7. The method of claim 1, further including the step of applying a mechanical brake during the rotating step to further slow movement of the electric vehicle. 8. The method of claim 1, wherein the engine includes a catalytic converter, at least one of the first and second electrical currents being used to heat the catalytic converter of the engine. 9. A method of charging a battery of an electric vehicle, the method including: providing a battery, a generator driven by an engine, an electric motor operative to drive a drive axle of the electric vehicle to move the electric vehicle, a regenerative braking system configured to transfer kinetic energy of the electric vehicle to the electric motor, and control logic operative to control charging of the battery;rotating the electric motor with electrical power from the battery to move the electric vehicle;generating a first electrical current with the generator, the first electrical current being routed to the battery;rotating the electric motor with the regenerative braking system to slow movement of the electric vehicle and to generate a second electrical current, the second electrical current being routed to the battery;charging the battery with the first and second electrical currents;monitoring the first and second electrical currents to determine a combined electrical current supplied to the battery; andremoving at least one of the first and second electrical currents from the battery upon the combined electrical current exceeding a predetermined threshold level. 10. The method of claim 9, further including preventing the generation of the first electrical current for a predetermined time following the removal of the first electrical current from the battery. 11. The method of claim 9, wherein the predetermined threshold level is about 80 amperes. 12. The method of claim 9, wherein the removing step further includes removing at least one of the first and second electrical currents from the battery upon at least one of a charge level, a voltage level, and a temperature level of the battery exceeding a predetermined threshold level. 13. The method of claim 9, wherein the engine includes a catalytic converter, and wherein the removing step includes directing the at least one of the first and second electrical currents to the catalytic converter to heat the catalytic converter. 14. A method of charging a battery of an electric vehicle, the method including: providing a battery, a generator driven by an engine, an electric motor operative to drive a drive axle of the electric vehicle to move the electric vehicle, a regenerative braking system configured to transfer kinetic energy of the electric vehicle to the electric motor, and control logic operative to control charging of the battery;rotating the electric motor with electrical power from the battery to move the electric vehicle;generating a first electrical current with the generator, the first electrical current being routed to the battery;rotating the electric motor with the regenerative braking system to slow movement of the electric vehicle and to generate a second electrical current, the second electrical current being routed to the battery;charging the battery with the first and second electrical currents;monitoring the first and second electrical currents to determine a combined electrical current supplied to the battery; andreducing at least one of the first and second electrical currents supplied to the battery upon the combined electrical current exceeding a predetermined threshold level. 15. The method of claim 14, wherein the reducing step including preventing the generation of the first electrical current. 16. The method of claim 15, wherein generation of the first electrical current is prevented for a predetermined time after the reducing step begins. 17. The method of claim 14, wherein the predetermined threshold level is about 80 amperes. 18. The method of claim 14, wherein the reducing step includes removing at least one of the first and second electrical currents from the battery upon at least one of a charge level, a voltage level, and a temperature level of the battery exceeding a predetermined threshold level. 19. The method of claim 14, wherein the reducing step occurs upon at least one of a charge level, a voltage level, and a temperature level of the battery exceeding a predetermined threshold level. 20. The method of claim 14, wherein the engine includes a catalytic converter, and wherein the reducing step includes directing the at least one of the first and second electrical currents to the catalytic converter to heat the catalytic converter.
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