IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0675941
(2012-11-13)
|
등록번호 |
US-8463481
(2013-06-11)
|
발명자
/ 주소 |
- Kelty, Kurt Russell
- Kohn, Scott Ira
- Hermann, Weston Arthur
- Straubel, Jeffrey Brian
|
출원인 / 주소 |
|
대리인 / 주소 |
Patent Law Office of David G. Beck
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
4 |
초록
▼
A dual mode battery charging system and method of use are provided for use in an electric vehicle. The system utilizes at least two user selectable, charging operational modes. In a first operational mode, a state of charge circuit powers on the engine/generator system whenever the battery state of
A dual mode battery charging system and method of use are provided for use in an electric vehicle. The system utilizes at least two user selectable, charging operational modes. In a first operational mode, a state of charge circuit powers on the engine/generator system whenever the battery state of charge falls below a first level and until the battery state of charge reaches a second level, where the second level is higher than the first level. In a second operational mode, the state of charge circuit powers on the engine/generator system whenever the battery state of charge falls below a third level and until the battery state of charge reaches the second level, where the third level is lower than both the first and second levels.
대표청구항
▼
1. A system integrated into a vehicle, the system comprising: a motor, said motor providing propulsion power to said vehicle;a battery coupled to said motor and providing energy to said motor;a generator system, said generator system comprising an engine, said engine burning fuel selected from the g
1. A system integrated into a vehicle, the system comprising: a motor, said motor providing propulsion power to said vehicle;a battery coupled to said motor and providing energy to said motor;a generator system, said generator system comprising an engine, said engine burning fuel selected from the group consisting of fossil fuels, synthetic fuels and bio-fuels, wherein said generator system provides charging energy for said battery;an engine control circuit to power on and power off said engine, wherein said engine control circuit powers on said engine when it receives an engine control signal;a state of charge circuit configured to monitor a battery state of charge and preprogrammed to provide said engine control signal in accordance with an operational mode, wherein said operational mode is selected from at least a first operational mode and a second operational mode, and wherein the state of charge circuit in said first operational mode provides said engine control signal when said battery state of charge falls below a first state of charge and until said battery state of charge reaches a second state of charge, wherein said second state of charge is higher than said first state of charge, andthe state of charge circuit in said second operational mode provides said engine control signal when said battery state of charge fails below a third state of charge and until said battery state of charge reaches said second state of charge, wherein said third state of charge is lower than both said first state of charge and said second state of charge;a user interface coupled to said state of charge circuit and configured to receive a user command selecting said operational mode for the state of charge circuit, wherein said operational mode is selected from at least said first operational mode and said second operational mode; andat least one operational mode indicator, wherein said operational mode selected via said user interface is indicated by said at least one operational mode indicator. 2. The system of claim 1, wherein after said third state of charge has been reached once the state of charge circuit in said second operational mode provides said engine control signal when said battery state of charge falls below said first state of charge and until said battery state of charge reaches said second state of charge. 3. The system of claim 1, wherein said first state of charge is approximately 50% of a full state of charge. 4. The system of claim 2, wherein said second state of charge is approximately 70% of said full state of charge. 5. The system of claim 1, wherein said third state of charge is approximately 20% of a full state of charge. 6. The system of claim 1, wherein said third state of charge is approximately 10% of a full state of charge. 7. The system of claim 1, wherein said an average of said first state of charge and said second state of charge is preset at a level of at least 68% of a full state of charge. 8. The system of claim 1, wherein said an average of said first state of charge and said second state of charge is preset at a level of at least 50% of a full state of charge. 9. The system of claim 1, wherein said an average of said third state of charge and said second state of charge is preset at a level of at least 20% of a full state of charge. 10. The system of claim 1, wherein said user interface is comprised of a touch screen and wherein said user command is received via a touch registered on said touch screen. 11. The system of claim 1, wherein said at least one operational mode indicator is comprised of at least one light. 12. The system of claim 1, wherein said user interface is comprised of a touch screen, and wherein said operational mode selected via said user interface is indicated by a message on said touch screen. 13. The system of claim 1, wherein said engine of said generator system is mechanically coupled to a generator. 14. The system of claim 1, wherein a generator is integrated into said engine of said generator system. 15. A method of controlling charging of a battery, wherein the battery is within a vehicle, wherein the vehicle utilizes a motor for propulsive power, and wherein the battery provides energy to the motor, the method comprising the steps of: providing a user interface;configuring an operational mode of an on-board generator system in response to a user selection input via said user interface, wherein said operational mode is selected from at least a first operational mode and a second operational mode;monitoring a current battery state of charge; andcharging said battery using said on-board generator system, wherein said on-board generator system is comprised of an engine, said engine burning fuel selected from the group consisting of fossil fuels, synthetic fuels and bio-fuels, and wherein said step of charging said battery further comprises the steps of powering on and powering off said engine in accordance with said operational mode, wherein in said first operational mode said engine is powered on when said current battery state of charge falls below a first state of charge and powered off when said current battery state of charge reaches a second state of charge, wherein said second state of charge is higher than said first state of charge, and wherein in said second operational mode said engine is powered on when said current battery state of charge falls below a third state of charge and powered off when said current battery state of charge reaches said second state of charge, wherein said third state of charge is lower than both said first state of charge and said second state of charge. 16. The method of claim 15, wherein in said second operational mode after said third state of charge has been reached once said engine is powered on when said current battery state of charge falls below said first state of charge and powered off when said current battery state of charge reaches said second state of charge.
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