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다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0818290 (2010-06-18) |
등록번호 | US-9419311 (2016-08-16) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 1 인용 특허 : 626 |
A battery maintenance device configured to maintain a storage battery. An electrical connection couples the battery maintenance device to the storage battery. Maintenance circuitry couples to the battery through the electrical connection and performs maintenance on the battery. The maintenance circu
A battery maintenance device configured to maintain a storage battery. An electrical connection couples the battery maintenance device to the storage battery. Maintenance circuitry couples to the battery through the electrical connection and performs maintenance on the battery. The maintenance circuitry includes an electrical load configured to draw an electrical current from the battery. The electrical current causes the electrical load to heat. A phase change material is thermally coupled to the load. The phase change material has a specific heat index which has a non-linear relationship to temperature to thereby reduce a rate of change in temperature of the electrical load.
1. A battery maintenance device configured to maintain a storage battery, comprising: an electrical connection configured to couple to a storage battery;maintenance circuitry located externally to the battery configured to couple to the battery through the electrical connection and perform maintenan
1. A battery maintenance device configured to maintain a storage battery, comprising: an electrical connection configured to couple to a storage battery;maintenance circuitry located externally to the battery configured to couple to the battery through the electrical connection and perform maintenance on the battery, the maintenance circuitry including an electrical load comprising at least one resistor configured to draw an electrical current from the storage battery, the electrical current causing the electrical load to heat; anda container comprising: a lower enclosure having a cavity that includes a phase change material, the phase change material having a specific heat index which has a non-linear relationship to temperature; anda top cover having an outer side and an inner side, which faces the cavity of the lower enclosure;wherein: the at least one resistor is attached to the inner side of the top cover and includes fins in direct physical contact with the phase change material; andthe maintenance circuitry comprises battery test circuitry configured to perform a battery test based upon current drawn from the battery by the load. 2. The battery maintenance device of claim 1 wherein the battery test comprises a load test. 3. The battery maintenance device of claim 1 wherein the battery test is based upon a dynamic parameter generated using the electrical load. 4. The battery maintenance device of claim 1 wherein the phase change material comprises paraffin wax. 5. The battery maintenance device of claim 1 wherein the electrical connection to the battery comprises a Kelvin connection. 6. The battery maintenance device of claim 1 wherein the maintenance circuitry comprises a battery charger. 7. The battery maintenance device of claim 1 wherein the phase change material transitions from a solid to a liquid during heating caused by heat from the electrical load. 8. A method for maintaining a storage battery, comprising: electrically connecting battery maintenance circuitry to the storage battery, wherein:the battery maintenance circuitry is external to the battery;the maintenance circuitry includes a container comprising a lower enclosure having a cavity that includes a phase change material having a specific heat index which has a non-linear relationship to temperature, and a top cover having an outer side and an inner side, which faces the cavity of the lower enclosure; andthe maintenance circuitry including an electrical load comprising at least one resistor that is attached to an inner side of the top cover and includes fins in direct physical contact with the phase change material;performing maintenance on the storage battery using the battery maintenance circuitry and drawing an electrical current from the storage battery through the at least one resistor;coupling heat generated by the electrical load directly to the phase change material, thereby reducing a rate of change in temperature of the electrical load; andperforming a battery test using battery test circuitry based upon current drawn from the battery by the electrical load. 9. The method of claim 8 wherein the battery test comprises a load test. 10. The method of claim 8 wherein the battery test includes measuring a dynamic parameter generated using a forcing function provided by the electrical load. 11. The method of claim 8 wherein the phase change material comprises paraffin wax. 12. The method of claim 8 wherein the electrical connection to a battery comprises a Kelvin connection. 13. The method of claim 8 wherein the battery maintenance circuitry comprises a battery charger. 14. The method of claim 8 wherein the phase change material transitions from a solid to a liquid during heating.
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