Inductor devices – Core surrounding linear conductor – Hinged core
Patent
1976-04-05
1977-09-13
Kozma, Thomas J.
Inductor devices
Core surrounding linear conductor
Hinged core
336217, H01F 1706, H01F 2724
Patent
active
040486052
ABSTRACT:
A split core current transformer for coupling monitoring apparatus to a current carrying conductor includes a two-piece annular core structure formed by first and second arcuate core assemblies having windings, connectable to the monitoring apparatus, wound on laminated core sections, the laminated core sections each including a plurality of flat lamination elements arranged in a stacked configuration with alternate elements having generally circular end portions which project beyond the main body portion of the arcuate core section at each end thereof defining generally circular gaps, permitting interleaving of the projecting end portions of the core sections of the two core assemblies providing an annular core structure having two interleaved joints which are held together by way of removable hinge pins which permit separation of the interleaved projecting end portions at either one of the joints to facilitate coupling to the current carrying conductor.
REFERENCES:
patent: 750525 (1904-01-01), Everest
patent: 1569723 (1926-01-01), Dickinson
patent: 1830541 (1931-11-01), Harris
patent: 2476121 (1949-07-01), Smith, Jr.
patent: 3253215 (1966-05-01), Moakler et al.
Kozma Thomas J.
Sangamo Electric Company
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