Chemistry: electrical current producing apparatus – product – and – Deferred action type – Responsive to movement of electrode on contained electrolyte
Patent
1989-04-17
1991-11-26
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Deferred action type
Responsive to movement of electrode on contained electrolyte
429110, H01M 630
Patent
active
050681621
ABSTRACT:
A reserve activated electrochemical cell in a battery embodiment uses a tubular electrolyte storage compartment arranged in a concentric spiral having similar diameter turns thereof located on a common axis. The tubular spiral is assembled concentrically with a battery plate stack container in a volumetrically efficient package with a first end of the spiral having an outwardly projecting flange located adjacent to one wall of the stack container. An intermediate annular spacer is located between the flange and the wall of the stack container to provide a fluid-tight seal therebetween, to define a fluid channel therethrough and to separate different materials forming the stack container and the electrolyte storage spiral. A first rupturable diaphragm is attached with a fluid-tight seal across the inner diameter of the first end of the tubular spiral facing the battery stack to maintain hermeticity therein. A second rupturable diaphragm is attached with a fluid-tight seal across an opening in the wall of the stack container facing the first diaphragm. The flange at the first end of the spiral and the spacer are attached to the wall of the battery stack container by any suitable means to form a layered structure therewith concentric with the spacer and the first and second diaphragms. The other or second end of the spiral is connected to a pressure generator using a pyrotechnic charge activated by an electrical signal for selectively providing a gas pressure directed against an electrolyte in the storage compartment. Electrical connections to the battery plates within the stack container are provided by corresponding electrically conductive leads extending from the battery stack container through respective fluid-tight seals.
REFERENCES:
patent: 3619298 (1971-11-01), Jammet
patent: 3629009 (1971-12-01), Bennett
patent: 3869315 (1975-03-01), Dolgner
patent: 4588662 (1986-05-01), McManis
Halista Mitchell J.
Honeywell Inc.
Skapars Anthony
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