H - Electricity – 03 – K
Patent
H - Electricity
03
K
H03K 17/95 (2006.01) G01B 7/02 (2006.01) G01V 3/10 (2006.01)
Patent
CA 2398689
A core (120; 120'; or 1220) of a proximity sensor (100; 1200; or 1500) is made of a highly permeable metal and is shaped and sized to operate as a saturable core proximity sensor, a variable reluctance proximity sensor, and an eddy current proximity sensor. The core (120; 120'; or 1220) has a cross-sectional shape including a head portion (220 or 1231), two legs (222 or 1232) extending from the head portion (220 or 1231), and two foot portions (224 or 1233) (feet) extending from the two legs (222 or 1232). The head portion (220 or 1231) forms a substantially planar section along the upper surface and is perpendicular to the sectional direction created by the two legs (222 or 1232). The sectional direction of the two legs (222 or 1232) are perpendicular to the sectional direction of the two feet (224 or 1233). The two feet (224 or 1233) are in a common plane along the bottom surface. Both foot portions are also parallel to the head portion. The cross-sectional shape of the core may further comprise two tail portions (1234) (tails), wherein each tail extends from one of the two foot (1233) portions in a direction toward the upper surface (1221).
L'invention porte sur le noyau (120; 120'; ou 1220) d'un détecteur de proximité (100; 1200; ou 1500), fait d'un métal fortement perméable, et d'une forme et d'une taille telles qu'il peut servir de détecteur de proximité saturable, ou à réluctance variable, ou à courants de Foucault. La section transversale dudit noyau (120; 120'; ou 1220) présente une tête (220 ou 1231), deux jambes (222 ou 1232) partant de la tête (220 ou 1231), et deux pieds (224 ou 1233) partant des jambes (222 ou 1232). La tête (220 ou 1231), sensiblement plane à sa partie supérieure, est perpendiculaire aux plans définis par les jambes (222 ou 1232), eux-mêmes perpendiculaires aux plans coplanaires définis par les pieds (224 ou 1233). La section transversale du noyau peut en outre comporter deux ailettes (1234), partant de l'extrémité de chacun des pieds (1233) en direction de la surface supérieure (1221).
Burreson Bernie
Knudson Steve
Lamping Jeff
Marler John
Woolsey Kevin
Eldec Corporation
Lambert Anthony R.
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