Magnetic sensor having an engaging portion

Details Magnetic sensor having an engaging portion Magnetic sensor having an engaging portion

1996-04-09

1997-08-19

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Displacement

296021, 26427215, 324174, G01P 3488, G01B 730, B29C 4500, H01F 4102

Patent

active

056592469

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.

REFERENCES:
patent: 3890517 (1975-06-01), Marsh et al.
patent: 4596973 (1986-06-01), Form et al.
patent: 4829245 (1989-05-01), Echasseriau et al.
patent: 4931728 (1990-06-01), Hata et al.
patent: 5121056 (1992-06-01), Onishi et al.
patent: 5363033 (1994-11-01), Suda et al.
patent: 5418454 (1995-05-01), Togo
patent: 5507089 (1996-04-01), Dickmeyer

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