Inductive coupler for transferring electrical power

Details Inductive coupler for transferring electrical power Inductive coupler for transferring electrical power

1993-12-09

1995-01-03

Kozma, Thomas J.

Inductor devices

Core forms casing

336 92, 336212, 336DIG2, H01F 1502, H01F 2726

Patent

active

053790219

ABSTRACT:
An inductive coupler for transferring electrical power from the primary to the secondary is disclosed. A secondary coil assembly having a pair of cores each having a secondary winding is disposed in a case having an opening at one end thereof. The core has a central post projecting from the axial center of a disc-shaped base and an annular skirt projecting from the rim of the base in the same direction, thus forming therebetween an annular groove in which the secondary winding is disposed. As a coil case having a primary winding is inserted between the paired cores and moved further inward of the case, the secondary coil assembly is moved inward of the case. During this movement of the secondary coil assembly, its paired cores are caused to displace toward each other while being guided by pins sliding along guide slits until the cores are mated together thereby to form a magnetic circuit of the inductive coupler. Provisions are also made to retain the secondary coil assembly in the position where the cores are closed and also to urge the secondary coil assembly toward the opening of the case.

REFERENCES:
patent: 3995209 (1976-11-01), Weston
patent: 4347472 (1982-08-01), Lemelson
patent: 4543556 (1985-09-01), Taylor et al.
patent: 5216402 (1993-06-01), Carosa

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