G - Physics – 01 – D
Patent
G - Physics
01
D
G01D 5/14 (2006.01) G01B 7/00 (2006.01) G01B 7/14 (2006.01)
Patent
CA 2399328
A non-contacting linear position sensor having bipolar tapered magnets (22). A pair of magnets (22, 24) are positioned adjacent each other and attached to a movable object. Each magnet has a central portion that is thinner than both ends of the magnets. A pair of pole pieces (40, 42) has ends that are arranged spaced apart in parallel relationship about the central portion. The other ends of the pole pieces are located spaced apart with a magnetic flux sensor (50) located between. The magnetic flux sensor (50) senses a variable magnetic field representative of the position of the attached movable object as the magnets move. The magnets have opposite polarities on either sides of the central portion.
L'invention concerne un capteur de position linéaire flottant doté d'aimants bipolaires (22) atténués. Deux aimants (22, 24) sont placés en position adjacente l'un par rapport à l'autre et fixés à un objet mobile. Chaque aimant possède une section centrale plus fine que les deux extrémités des aimants. Deux éléments polaires (40, 42) possèdent des extrémités disposées de manière espacée et parallèle à la section centrale. Les autres extrémités des éléments polaires sont séparées par un capteur de flux magnétique (50) placé entre elles. Le capteur de flux magnétique (50) détecte un champ magnétique variable représentant la position de l'objet mobile fixé, alors que les aimants se déplacent. Les aimants possèdent des polarités opposées de chaque côté de la section centrale.
Duesler John
Jarrard Craig
Cts Corporation
Riches Mckenzie & Herbert Llp
LandOfFree
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