Magnetic sensor with bobbin, sleeve and terminal bed for detecti

Electricity: measuring and testing – Magnetic – Displacement

Patent

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Details

296021, 324774, 336192, G01P 3488, G01B 730, H01F 2729

Patent

active

056891822

ABSTRACT:
The magnetic sensor comprises a sensor assembly, and a resin molding member surrounding the sensor assembly and defining a housing, the sensor assembly comprising a magnet for generating a magnetic flux, a magnetic core for defining a magnetic circuit, a coil wound around the magnetic core for detecting the change in the magnetic flux flowing through the magnetic core and a support member including a coil bobbin for supporting an assembly of the magnet, the magnetic core and the coil, and the support member comprising an engaging portion which is a surface exposed from the resin molding member for positioning the sensor assembly in a predetermined position during the molding of the resin molding member, so that the sensor assembly can be supported within the resin mold die by the engaging portion between the magnetic core and the coil bobbin or only by the engaging portion of the coil bobbin, so that the stable positioning and support is provided.

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patent: 5229714 (1993-07-01), Brdar et al.
patent: 5363033 (1994-11-01), Suda et al.
patent: 5418454 (1995-05-01), Togo

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