Rotary transformer and method for fabricating the same

Details Rotary transformer and method for fabricating the same Rotary transformer and method for fabricating the same

1995-05-03

1997-03-04

Gellner, Michael L.

Inductor devices

Relatively movable coils

With core

336 84C, 336122, 336110, H01F 1504

Patent

active

056083700

ABSTRACT:
A rotary transformer includes a rotor core formed by stacking channel parts to form a required number of channels. Each channel part is formed by stacking two kinds of annular magnetic rings so that two rings having the same outside and inside diameters are placed at both sides of a ring having the same inside diameter as the two rings but a greater outside diameter than the two rings. A stator core is also formed by stacking channel parts to form the required number of channels. The channel part is formed by stacking two kinds of annular magnetic rings so that two rings having the same outside and inside diameters are placed on both sides of a ring having the same inside diameter with the two rings but smaller outside diameter than the two rings. A thin layer of glass can be used to bond the rings of the stator or rotor together.

REFERENCES:
patent: 5347256 (1994-09-01), Yumiki et al.

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