Multiple rotary variable differential transformer on common shaf

Details Multiple rotary variable differential transformer on common shaf Multiple rotary variable differential transformer on common shaf

1981-02-02

1982-08-17

Kozma, Thomas J.

Inductor devices

Relatively movable core and coil

Plural relatively movable core parts

H01F 2106

Patent

active

043452302

ABSTRACT:
A rotary variable differential transformer is provided comprising a pair of RVDT units disposed along a common shaft. A third RVDT is positioned along the shaft between the two units. The third RVDT comprises two pairs of secondary coils each pair being connected in series opposition. One of the coil pairs is connected to the secondary coils of one of the RVDT units and the other pair is connected to the secondary coils of the other RVDT unit. The third RVDT unit does not contain a primary and its secondary coils are excited only by the leakage flux from the other units.

REFERENCES:
patent: 3398386 (1968-08-01), Sommerlin

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