[특허]Apparatus and method for charging and testing batteries

Apparatus and method for charging and testing batteries 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02J-007/00
출원번호	US-0919417 (1986-10-16)
발명자 / 주소	Palanisamy Thirumalai G. (Morris Township Morris County NJ) Mendelson Stuart E. (Kendall Park NJ) Cipris Divna (Morristown NJ) Chance Ronald R. (Annandale NJ)
출원인 / 주소	Allied Corporation (Morris Township, Morris County NJ 02)
인용정보	피인용 횟수 : 183 인용 특허 : 0

초록 ▼

This invention is directed to a methjod for charging a rechargeable battery. In this method, the open voltage of the battery is measured and the number of cells estimated. The state of charge of the battery is then tested by supplying a controllably varying charging current to the battery and testing for evolution of gas. If no gas is evolved, the battery is charged until the voltage equals the estimated number of cells multiplied by a voltage which is characteristic of the battery. The foregoing steps are repeated alternately until gas evolution occurs. The true number of cells is then determined and the battery is charged at any charge rate until the voltage equals the true number of cells multiplied by a predetermined voltage. The battery is then charged at that voltage until the charge current decreases to a predetermined low value followed by charging at that predetermined current at any voltage for a predetermined period of time.

대표청구항 ▼

A method for charging a rechargeable battery which comprises the steps of: (a) measuring the open circuit voltage of said battery and estimating the number of cells possible for the measured open circuit voltage; (b) supplying a controllably varying charging current or voltage to the battery for a predetermined period of time and testing said battery for the evolution of gas; (c) charging said battery automatically at any charge voltage until the battery charge voltage equals the estimated number of cells of the battery multiplied by a predetermined voltage which is characteristic of the battery; (d) repeating steps (a), (b) and (c) until step (b) indicates the evolution of gas; (e) determining the current and voltage at which the said battery evolves gas in the increasing current direction (“Igas-up”) or in the increasing voltage direction (“Vgas-up”), and the current and voltage at which the battery stops evolving gas in the decreasing current direction (“Igas-down”) and in the decreasing voltage direction (“Vgas-down”); (f) determing the true number of cells in the said battery from Vgas-up and/or Vgas-down; (g) charging the said battery automatically at any charge rate until the battery voltage equals the true number of cells multiplied by a predetermined voltage which is characteristic of the battery; (h) charging the said battery at a constant voltage equal to voltage in step (g) until the charge current decreases to a predetermined low value; (i) charging the said battery with a predetermined constant current at any voltage for a predetermined period of time; and (j) repeating steps (b), (e), and (i) until step (b) indicates the evolution of gas and step (e) indicates that Igas-down reaches a predetermined lower limit which is characteristic of the desired state of charge of the battery.

이 특허를 인용한 특허 (183)

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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

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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