Linear position sensor has two coils magnetically coupled by moveable yoke is more accurate and less temperature sensitive than previous magnetic position sensors

The sensor (10) has a core (11) of soft magnetisable material. The input coil (13) is fixed around the core with its plane parallel to the center line (12) of the core. The output coil (14) is at an angle to the center line. The hollow rectangular yoke (15), which is made from magnetisable material...

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Bibliographische Detailangaben
Hauptverfasser:	JAN HENDRIK KIEVITS, ROELOF JAN WIND
Format:	Patent
Sprache:	dut ; eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	The sensor (10) has a core (11) of soft magnetisable material. The input coil (13) is fixed around the core with its plane parallel to the center line (12) of the core. The output coil (14) is at an angle to the center line. The hollow rectangular yoke (15), which is made from magnetisable material is linked to the moving object. The coupling factor between the coils, for an a.c. signal, is proportional to the position of the yoke along the core.