B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
B63B 39/12 (2006.01) A01K 73/00 (2006.01) A01K 73/10 (2006.01) A01K 75/00 (2006.01) A01K 80/00 (2006.01) B63B 43/20 (2006.01) G01B 5/18 (2006.01)
Patent
CA 2430664
A method and a device for detection of physical or approximately physical bottom contact for objects, for instance fishing tackles, which are dragged closely above or on a sea bottom, said method consisting of sensoring an alteration of a force acting on a tension sensor (4) as a consequence of a mass (7) coupled to the tension sensor (4) coming into physical contact with tha bottom, said alteration being used as indication of bottom contact, and that frictional forces (F2) being due to the dragging of the mass (7) along the bottom mainly are taken up by means of a tension release means (8). The device comprise the mass (7) being suspended ina tension sensor (4) in such a manner that the sensor (4) is actuated by bottom contact, and at least one tension release means (8) connected to the mass (7) and adapted to take up forces caused by dragging of the mass above the bottom.
L'invention concerne un procédé et un dispositif permettant de détecter le contact de fond physique ou approximativement physique d'objets, par exemple des équipements de pêche, qui sont traînés juste au-dessus d'un, ou sur un, fond marin. Ledit procédé consiste à capter une modification d'une force agissant sur un capteur de tension (4) résultant d'une masse (7), couplée audit capteur de tension (4), entrant en contact physique avec le fond. Ladite modification sert d'indication du contact avec le fond, et les forces de frottement (F2), dues à la traînée de ladite masse (7) sur le fond, sont captées principalement par un moyen de relâchement de la tension (8). Le dispositif comprend la masse (7) suspendue à un capteur de tension, lequel est activé par le contact avec le fond, et au moins un moyen de relâchement de la tension (8) relié à ladite masse (7) et conçu pour capter les forces provoquées par la traînée de ladite masse au-dessus du fond.
Faber Bjorn
Ramberg Kjell
Fetherstonhaugh & Co.
Simrad As
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