| Patent Number |
Title Of Patent |
Date Issued |
| 5718987 |
Lead-acid battery with inactive cell |
February 17, 1998 |
| A lead-acid battery includes a compartmented case and a polarity of electrochemically lead-acid cells serially connected via respective positive and negative terminals. Each cell includes planar positive and negative plates and resides in one compartment of the case. The battery furt |
| 5695891 |
Battery thermal management system |
December 9, 1997 |
| A lead-acid cell includes a case, positive and negative plates within the case, microporous separator material between adjacent plates and electrolyte in a starved amount, with the case having jar and covers joined by a weldment along overlapping cover and jars. The positive plates i |
| 5645957 |
Lead-acid battery having a cover extending beyond a jar |
July 8, 1997 |
| A lead-acid cell includes a case, positive and negative plates within the case, microporous separator material between adjacent plates and electrolyte in a starved amount, with the case having jar and covers joined by a weldment along overlapping cover and jars. The positive plates i |
| 5593796 |
Recombinant lead-acid cell and long life battery |
January 14, 1997 |
| A lead-acid cell includes a case, positive and negative plates within the case, microporous separator material between adjacent plates and electrolyte in a starved amount, with the case having jar and covers joined by a weldment along overlapping cover and jars. The positive plates i |
| 5569557 |
Battery cell spacer for earthquake protected battery racks |
October 29, 1996 |
| A spacer for keeping cell casings spaced from one another when supported side-by-side in a rack is provided by an elongated member having a bottom adapted to rest on the rack supporting the cells and sidewalls spaced apart from one another the distance of the desired spacing between |
| 5281955 |
Battery charge monitoring apparatus and method |
January 25, 1994 |
| An apparatus and method for monitoring operation and recording status of at least one battery component of an uninterruptable power supply is provided. Physical parameters of a battery are sensed and stored upon deviation from preselected limits. In addition, the present value of the |
| 5164653 |
Battery discharge control system |
November 17, 1992 |
| Apparatus for controlling rate of battery current discharge, comprising, variable means applying resistance load to the battery output, comparator means connected for defining and communicating a targeted battery discharge current level set point, sensor means connected for sensing the |
| 4931367 |
Low float technology battery |
June 5, 1990 |
| In a device for providing stand-by power to an electrical apparatus, such as a telephone switching system, the battery contained therein is maintained at a positive plate polarization of about 20 to 40 millivolts per cell. |
| 4871428 |
Method for in situ forming lead-acid batteries having absorbent separators |
October 3, 1989 |
| A lead-acid battery having electrolytic-absorbent separator is formed in situ to produce sponge lead and lead dioxide active material. The method includes cooling the electrolyte to below room temperature, introducing a quantity of cooled electrolyte into the battery and charging the bat |
