Movable core position transducer

Details Movable core position transducer Movable core position transducer

1988-08-29

1989-08-15

Beha, Jr., William H.

Electricity: power supply or regulation systems

External or operator controlled

Using a transformer or inductor as the final control device

324208, 336 45, 336136, G05F 304

Patent

active

048578240

ABSTRACT:
A two-wire linear transducer comprised of a high permeability finite length core that is positioned with respect to a continuously wound variable pitch coil. The cores is displaced from the initial stroke position at one end of the coil to the opposite end thereof to produce an output signal which varies with displacement. The coil is energized by a constant alternating current source and has a winding configuration that produces an alternating output voltage. The imaginary component of the alternating output voltage varies linearly and continously in amplitude in proportion to the movement of the ferrite core from its initial stroke position to its end stroke position.

REFERENCES:
patent: 3054976 (1962-09-01), Lipshutz
patent: 3546648 (1970-12-01), Chass
patent: 4103233 (1978-07-01), Timmermans et al.
patent: 4282485 (1981-08-01), Pauwels et al.
patent: 4437019 (1984-03-01), Chass

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