Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent
1994-09-28
1996-04-23
Kalafut, Stephen
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
429163, 429168, 429159, 429120, 429 99, H01M 202
Patent
active
055102085
ABSTRACT:
A battery cell sleeve assembly comprises first and second cylindrical sleeves contiguously joined and defining an internal recess for receiving a battery cell. The first sleeve is comprised of a plurality of substantially unidirectional longitudinally extending first elongated fibers of high conductivity, low density, material embedded in an epoxy matrix. The second sleeve is comprised of a plurality of second and third elongated fibers of high conductivity, low density, material also embedded in an epoxy matrix, the second and third fibers being substantially unidirectional extending transverse of the first fibers, the second and third fibers extending in mutually transverse directions. A cylindrical base member has an annular flange for reception thereon of proximal ends of the sleeves, distal ends of the first fibers being contiguous with the annular flange whereby the annular flange operates as a heat shunt for drawing heat away from the sleeve assembly by conduction between the first fibers and the annular flange. Preferably, the fibers are graphite and have a thermal conductivity no less than that of aluminum. Each of the sleeves is approximately 0.005 inches thick and composed of approximately 60% fiber and 40% epoxy by volume. Both of the sleeves have a longitudinally extending slot defined by opposed edges and including clamping devices for drawing the opposed edges together and thereby firmly securing the battery in the recess.
REFERENCES:
patent: 4346151 (1982-08-01), Uba et al.
patent: 5096788 (1992-03-01), Bresin et al.
Hall John C.
Leon Juan F.
Kalafut Stephen
Lilley, Jr. Richard H.
Space Systems Loral, Inc.
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