Clamping of battery plate block assemblies using inflatable...

Details Clamping of battery plate block assemblies using inflatable... Clamping of battery plate block assemblies using inflatable...

H - Electricity

01

M

319/93

H01M 2/00 (2006.01) H01M 2/28 (2006.01) H01M 10/14 (2006.01)

Patent

CA 1077561

ABSTRACT OF THE DISCLOSURE This invention relates to apparatus for holding together blocks of plates consisting of positive electrodes, negative electrodes and separators Plate blocks are clamped by pneumatically inflatable multilayer elements The apparatus comprises at least one clamping element positioned adjacent an outer surface of the block, the element having generally planar face engaging the block surface, the element being constructed so that the planar face is pneumatically deformable so as to bulge toward the adjacent block surface, thereby to apply a controllable clamping force to said surface, the element having a multilayer construction, including innermost layers formed of an elastic membrane, and resilient plates adjacent portions of the outer surfaces of the membrane, and means for introducing gas under pressure between the innermost layers, the elastic membrane being responsive to the gas pressure to expand, thereby pressing outwardly against the resilient plates and causing them to bulge and provide the clamping force, and the element having bulkheads positioned between the membrane and the plates, the bulk- heads having cut-outs through which the membrane can bear against the plates. This invention avoids the disadvantages of known devices where plate blocks are mounted and firmly clamped, possibly damaging the end plates of the plate block.

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