Angular displacement transducer of the variable reluctance type

Details Angular displacement transducer of the variable reluctance type Angular displacement transducer of the variable reluctance type

1982-08-06

1984-08-07

Tolin, G. P.

Inductor devices

Relatively movable core and coil

Plural relatively movable core parts

336130, 336132, 336134, H01F 2106

Patent

active

044646453

ABSTRACT:
An angular displacement transducer of the variable reluctance type is disclosed. It utilizes two relatively rotatable rotors with two sets of magnetic circuits and a coil associated with each magnetic circuit. Each set of magnetic circuits has a set of magnetic cores, one-half the cores on one rotor and one-half on the other rotor. A pair of cores in the first set, one on each rotor, coact with each other to provide a first variable reluctance magnetic circuit which is magnetically linked with the first coil and which has a reluctance that varies with relative rotation of the rotors. A pair of cores in the second set, one on each rotor, coact with each other to provide a second variable reluctance magnetic circuit which is magnetically linked with the second coil and which has a reluctance that varies with relative rotation of the rotors. The pairs of cores in the first and second sets are arranged so that relative rotation of the rotors causes the reluctance of the first magnetic circuit to increase while the reluctance of the second magnetic circuit is decreasing, and vice-versa.

REFERENCES:
patent: 2840779 (1958-06-01), Renaut
patent: 3146418 (1964-08-01), Maeda
patent: 3168716 (1965-02-01), Szalay
patent: 3329012 (1967-07-01), Demuth
patent: 3340729 (1967-09-01), Scoppe
patent: 3562687 (1971-02-01), Tavis
patent: 4031496 (1977-06-01), Fujiwara et al.

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