Magnetically actuated float switch

G - Physics – 08 – B

Patent

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Details

G08B 21/00 (2006.01) G01F 23/74 (2006.01) H01H 36/02 (2006.01)

Patent

CA 2367577

A magnetically actuated float switch (10) for turning on and off an electrical load device which includes a mounting member (28), a moveable bracket member (26) which is attached to the mounting member (28) and which is moveable between a first bracket position and a second bracket position by an external force. The moveable bracket member (26) further has a first magnetic end (32) and a second magnetic end (34) which define a space therebetween. The first magnetic end (32) and the second magnetic end (34) are oriented in a repelling arrangement. Insertion of a magnet (64) in the space between the magnetic ends of the bracket results in the moveable bracket being moved from the first position to the second position. The moveable bracket member (26) is operatively arranged to change the state of a switch between a first and second state. The switch is in turn operably arranged to change the state of an electrical load device between an on state and an off state.

L'invention a trait à un interrupteur (10) à flotteur à commande magnétique destiné à mettre en marche et à arrêter un dispositif à charge électrique, comprenant un élément de montage (28), un élément de support mobile (26) fixé à l'élément de montage (28) et lequel est mobile entre une première position de support et une seconde position de support sous l'effet d'une force extérieure. L'élément de support mobile (26) comprend également une première extrémité magnétique (32) ainsi qu'une seconde extrémité magnétique (34) lesquelles définissent un espace intermédiaire. La première extrémité magnétique (32) ainsi que la seconde extrémité magnétique (34) sont orientées en un agencement répulsif. L'insertion d'un aimant (64) dans l'espace situé entre les extrémités magnétiques du support a pour effet de faire passer le support mobile de la première position à la seconde position. L'élément de support mobile (26) est agencé fonctionnellement pour faire changer d'état un interrupteur entre un premier et un second état. L'interrupteur est à son tour agencé fonctionnellement pour faire changer l'état d'un dispositif à charge électrique entre un état de marche et un état d'arrêt.

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