Sonar array mounting for sonobuoy

G - Physics – 01 – S

Patent

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Details

G01S 7/52 (2006.01) G10K 11/00 (2006.01)

Patent

CA 2057898

A sonobuoy comprises a sonar array mounted on arms (2) that are pivotally connected to a central support (3) and housed by an outer housing (1). Upon entry of the sonobuoy into water a float (8) is deployed which since it is connected to the central support (3) by a line arrests the downward motion of the central support (3). The outer housing (1), by virtue of its inertia, travels on uncovering the arms (2) and positively locating the arms (2) by pulling on lines (17) connected to the arms (2). The use of the motion of the housing (1) to deploy the arms (2) eliminates the requirement for spring powered motors reducing the cost of the sonobuoy.

Une bouée sonique comprend un réseau de sonars montés sur des bras (2) reliés de manière pivotante à un support central (3) et abrités dans un logement extérieur (1). Lors de la mise à l'eau de la bouée, on déploie un flotteur (8) qui, étant relié au support central (3) par une ligne, stoppe le mouvement descendant du support central (3). En raison de la force d'inertie, le logement extérieur (1) continue sa course, découvrant les bras (2) et les bloquant définitivement par une traction sur les lignes (17) reliés au bras (2). L'utilisation du mouvement du logement (1) pour déplier les bras (2) élimine la nécessité d'incorporer des moteurs mus par ressort, ce qui diminue le coût de la bouée sonique.

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