초록 ▼

Sealed lead-acid cells are disclosed which include an internal cell restraint contacting the interior surface of the cover and positioned between the positive plates and the cover, the internal cell restraint cooperates with an external cell restraint, such as a coated metal face plate, to direct po

Sealed lead-acid cells are disclosed which include an internal cell restraint contacting the interior surface of the cover and positioned between the positive plates and the cover, the internal cell restraint cooperates with an external cell restraint, such as a coated metal face plate, to direct positive plate growth which occurs in service away from the cover, the features disclosed allowing plastic-to-plastic terminal post-cover seals to be used and allow cells of capacities of up to 2,000 Ampere Hours or more to be provided.

대표청구항 ▼

1. A sealed lead-acid cell assembly in which the lead-acid cell is subject to positive grid growth during service comprising a cell support structure capable of housing at least one sealed lead-acid cell, a cell container sized to accommodate a cell element, a cell element positioned in said cell co

1. A sealed lead-acid cell assembly in which the lead-acid cell is subject to positive grid growth during service comprising a cell support structure capable of housing at least one sealed lead-acid cell, a cell container sized to accommodate a cell element, a cell element positioned in said cell container and comprising a plurality of positive and negative plates and an absorbent separator positioned between adjacent plates, a cover sealed to said container and having an exterior and an interior surface, at least one positive terminal sealed to said cover and at least one negative terminal sealed to said cover, each of said positive and negative plates having at least one lug, a positive strap electrically connecting the lugs of the respective positive plates together, a negative strap electrically connecting the lugs of said negative plates together, the positive strap being electrically connected to the positive terminal and the negative strap being connected to the negative terminal, an internal restraint contacting the interior surface of the cover and positioned between said positive plates and said cover, an external restraint connected to said cell support structure and in contact with the exterior surface of the cover and said external and internal restraints directing the positive grid growth in service in a direction away from the internal interior surface of said cover.