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특허 상세정보

Method for determining the actual amount of energy available in an energy storage module

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01R-031/36    G01R-019/00    H02J-007/06    H02J-007/16   
미국특허분류(USC) 702/063; 702/064; 320/132; 320/149
출원번호 US-0689662 (2010-01-19)
등록번호 US-8265891 (2012-09-11)
우선권정보 DE-10 2007 034 044 (2007-07-20)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Crowell & Moring LLP
인용정보 피인용 횟수 : 0  인용 특허 : 13
초록

The amount of energy actually available in an energy storage module having a plurality of individual storage elements connected in series is determined. An upper and/or a lower limit voltage for the energy storage module is determined dynamically. During a charging operation of the energy storage module, in the event that a maximally permissible upper cell voltage is reached on at least one storage cell, the upper limit voltage of the energy storage module is determined by summing all cell voltages of all storage elements existing at that point-in-time. ...

대표
청구항

1. A method for determining an amount of energy actually available in an energy storage module having a plurality of individual storage cells connected in series, the method comprising the acts of: determining dynamically, by a control unit operatively coupled with the energy storage module, an upper and a lower limit voltage for the energy storage module, wherein the following acts occur; (a) during a charging operation of the energy storage module, upon reaching a maximally permissible upper cell voltage on at least one storage cell, the upper limit vo...

이 특허에 인용된 특허 (13)

  1. Bertness, Kevin I.. Apparatus and method for protecting a battery from overdischarge. USP2005056888468.
  2. Kaneko Akira,JPX. Battery charger. USP1998125850136.
  3. Reher, Michael T.. Battery monitor and method for providing operating parameters. USP1994065321627.
  4. Sodeno,Tsuyoshi. Capacity adjustment apparatus for battery pack and capacity adjustment method for battery pack. USP2006127148656.
  5. Kato,Shinji; Yamamoto,Koichi; Tamenori,Koji; Anekawa,Akihiro. Control apparatus for controlling regenerative operation of vehicle motor. USP2006047034475.
  6. Bolz,Stephan. Device and method for measuring individual cell voltages in a cell stack of an energy accumulator. USP2009027492160.
  7. Crouch ; Jr. Dell A. (Noblesville IN) Strickland Tracy F. (Noblesville IN). Dynamic battery state-of-charge and capacity determination. USP1996115578915.
  8. Watanabe Nobuo,JPX ; Kuroda Yukio,JPX ; Kikuchi Yoshiaki,JPX. Means for estimating charged state of battery and method for estimating degraded state of battery. USP2001096285163.
  9. Guiheen, James V.; Singh, Harmohan; Palanisamy, Thirumalai G.. Method and apparatus for determining the state of charge of a lithium-ion battery. USP2003076586130.
  10. Adams, William; Dunn, James. Monitoring battery packs. USP2003016504344.
  11. Eaves Stephen S. (9 General Stanton Dr. Charlestown RI 02813). Multicell battery pack bilateral power distribution unit with individual cell monitoring and control. USP1997085656915.
  12. Laig-Horstebrock Helmut,DEX ; Meissner Eberhard,DEX ; Ubermeier Dieter,DEX ; Michels Karsten,DEX ; Dierker Uwe,DEX. Process for determining the state of charge and the peak current loadability of batteries. USP2000126163133.
  13. Robert A. Lacy. Regulating a fuel cell powered heating system. USP2002046379826.