Downhole battery case

H - Electricity – 01 – M

Patent

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Details

H01M 6/44 (2006.01) H01M 2/02 (2006.01)

Patent

CA 2337546

Described herein is a flexible battery pack for powering downhole electronic equipment. The pack includes a plurality of electrochemical cells connected and tied together in a stacked working relationship by a pair of semi cylindraceous encapsulating shells which form a primary containment for the electrochemical cells. The shells are secured at each end to a cylindrical insulating plug which secures the shells together. The shells preferably comprise a glass fiber reinforced plastic material. The primary containment is then sealed in a stainless steel tube which is provided to hold the interior components in place during operation. The encapsulating members are provided with an internal grooved recess which receives and holds any electrical conductors which may be required for operation of the battery pack.

Le présent extrait décrit un bloc-batterie souple d'alimentation de matériel de fond de trou. Ce bloc comprend plusieurs éléments électrochimiques connectés et liés ensemble dans une relation de travail empilé, par une paire d'enveloppes d'enrobage semi-cylindriques qui forment une enceinte de confinement primaire des éléments électrochimiques. Les enveloppes sont fixées à chaque extrémité à un embout isolant cylindrique qui fixe les éléments ensemble. Les enveloppes comprennent de préférence un matériau plastique renforcé par de la fibre de verre. L'enceinte de confinement primaire est ensuite scellée dans un tube d'acier inoxydable qui permet de maintenir les composants internes en place pendant l'opération. Les éléments d'enrobage sont pourvus d'un renfoncement interne à gorge, qui reçoit et maintient tous les conducteurs électriques qui peuvent être nécessaires au fonctionnement du bloc-batterie.

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