[특허]Autonomous battery equalization circuit

[미국특허] Autonomous battery equalization circuit 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02J-007/00
출원번호	US-0320689 (1999-05-27)
발명자 / 주소	Peterson William Anders
인용정보	피인용 횟수 : 38 인용 특허 : 10

초록 ▼

A battery equalization circuit for equalizing charge between at least first and second series connected batteries includes a switching circuit and a resonant circuit. Each battery has a positive end and a negative end, where the positive end of the second battery is coupled to the negative end of the first battery at a common node. The switching circuit is connectable to (i) the positive end of the first battery at a positive node, and (ii) the negative end of the second battery at a negative node; and the resonant circuit is connectable between the switching circuit and the common node of the batteries, wherein the switching circuit is adapted to alternately couple the resonant circuit in parallel with the first and second batteries such that a DC current component flows between the first and second batteries through the resonant circuit as a function of a charge imbalance therebetween.

대표청구항 ▼

[ What is claimed is:] [1.] A battery equalization circuit for equalizing charge between at least first and second series connected batteries, each battery including a positive end and a negative end, where the positive end of the second battery is coupled to the negative end of the first battery at a common node, the battery equalization circuit comprising:a switching circuit connectable to (i) the positive end of the first battery at a positive node, and (ii) the negative end of the second battery at a negative node; anda resonant circuit connectable between the switching circuit and the common node of the batteries,wherein the switching circuit is adapted to alternately couple the resonant circuit in parallel with the first and second batteries such that a DC current component flows between the first and second batteries through the resonant circuit as a function of a charge imbalance therebetween.

이 특허에 인용된 특허 (10) 인용/피인용 타임라인 분석

Davis ; Jr. James B. (Merrimack NH), Battery charger for charging a plurality of batteries.
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Nofzinger Scott L. (Toledo OH), Battery equalization circuit for a dual voltage charging system.
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Sullivan James D. (Galena OH) Melvin John A. (Westerville OH), Battery voltage equalizer circuit.
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Cox ; Jay A., Charging system and method for multicell storage batteries.
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Galloway James H. (New Baltimore MI), Current balancing for battery strings.
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Schmidt Heribert,DEX ; Jantsch Martin,DEX, Method and device for charge exchange between a plurality of energy stores or converters connected in series.
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Brune Lyle R. (Beaverton OR), Multiple voltage battery charge balancing and load protecting device.
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Brainard Gerald L. (San Jose CA), Non-dissipative battery charger equalizer.
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Khuwatsamrit Thakoengdet, Power supply and method of protecting batteries therein.
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Pascual Cesar ; Krein Philip T., Switched capacitor system for automatic battery equalization.
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이 특허를 인용한 특허 (38) 인용/피인용 타임라인 분석

Doljack,Frank Anthony; Schultz,Neal; Kamath,Hundi P.; Strain,Jim, Active balancing modular circuits.
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Khatri, Nizam Issa, Apparatus and method for the power management of operatively connected modular devices.
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Lee, Joong Hui; Jang, Soo Yeup; Oh, Jeon Keun; Moon, Gun Woo; Kim, Chong Eun; Park, Hong Sun; Kim, Chol Ho, Automatic charge equalization method and apparatus for series connected battery string.
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Nakao, Fumiaki, Balance correcting apparatus and electricity storage system.
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Sung, Chang Hyeon; Lee, Kyung Min; Chung, Yoo Chae; Kang, Bong Koo, Battery cell balancing circuit using LC serial resonance.
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Zhang, Chutao; Chen, Songtao, Battery management system with energy balance among multiple battery cells.
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Dao, Yuan; Schlanger, William, Battery unit balancing system.
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Fowler,J. Thomas; Chertok,Allan; King,Darrell J.; Larocque,Gerald R.; Onnerud,Per; Shi,Jay J., Bidirectional power converter for balancing state of charge among series connected electrical energy storage units.
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Thrap, Guy C., Charge balancing circuit.
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Sp?e, Ren?; Le, Thanh; Jennings, Seth W., Charge balancing systems and methods.
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Chatroux, Daniel; Dauchy, Julien; Fernandez, Eric; Mercier, Sylvain, Charge equalization system for batteries.
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Mercier, Sylvain; Chatroux, Daniel; Dauchy, Julien; Fernandez, Eric, Charge equalization system for batteries.
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Heidenreich, James Joseph; Haass, Michael A.; Le, Thanh Quoc; Jennings, Seth William, Charge equalization systems and methods for battery systems and uninterruptible power supplies.
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Heidenreich, James Joseph; Haass, Michael A.; Le, Thanh Quoc; Jennings, Seth William, Charge equalization systems and methods for battery systems and uninterruptible power supplies.
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Bacquet, Sylvain, Communication system to communicate with an electrical device connected to or in an electric battery.
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Altemose, George, Compensation for parasitic resistance in battery monitoring.
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Touzani, Youssef; Almanza, Morgan, Converter for balancing the cells of an electric battery.
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Tai-Her Yang TW, Electric appliance equipped with redundant battery enabled by main power supply.
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Kleffel, Rüdiger, Energy storage apparatus.
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Zalesski,George; Roden,Garey George, Energy storage modules and management system.
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Altemose, George, Low-power battery system.
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Studyvin, William B.; Coatney, Eric; Pennock, Tim; Shimp, Phillip; Miller, Greg, Method and system for cell equalization with charging sources and shunt regulators.
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Studyvin, William B.; Coatney, Eric; Pennock, Tim; Shimp, Phillip; Miller, Greg, Method and system for cell equalization with switched charging sources.
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Issam Jabaji, Multiple battery charge equalizer.
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Sutardja, Pantas, Power management circuit for rechargeable battery stack.
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Sutardja, Pantas, Power management circuit for rechargeable battery stack.
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Sutardja, Sehat; Sutardja, Pantas, Power management circuit of rechargeable battery stack.
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Zalesski,George, Power management system including a variable voltage link.
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Powell, Wayne J.; Boehmer, Robert D.; Johnson, Lee L., Power recovery controller.
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Powell, Wayne J.; Boehmer, Robert D.; Johnson, Lee L., Power recovery controller.
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Powell, Wayne J.; Boehmer, Robert D.; Johnson, Lee L., Power recovery controller.
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Chertok,Allan; Fowler,J. Thomas; King,Darrell J.; Larocque,Gerald R.; Onnerud,Per; Shi,Jay J., System and method for balancing state of charge among series-connected electrical energy storage units.
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Moussaoui, Zaki; Allen, Tony, System and method for cell balancing and charging using a serially coupled inductor and capacitor.
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Moussaoui, Zaki; Allen, Tony, System and method for cell balancing and charging using a serially coupled inductor and capacitor.
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Keller, Jesse P., Systems and methods for battery charging and equalization.
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Li, Guoxing; Zhang, Wei; Chen, Songtao; Zhang, Chutao, Systems and methods for cell balancing.
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Li, Guoxing; Zhang, Wei; Chen, Songtao; Zhang, Chutao, Systems and methods for cell balancing.
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Powell, Wayne J.; Boehmer, Robert D.; Johnson, Lee L., Systems and methods for efficiently charging power recovery controller.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Autonomous battery equalization circuit 원문보기