Current transformer for load switch

Details Current transformer for load switch Current transformer for load switch

1997-06-26

1998-06-30

Gellner, Michael L.

Inductor devices

Interlinked coils or windings

336175, 336173, 336229, 174 11BH, 174 12BH, 174152R, 174152E, H01F 3820, H01F 2728, H02G 1528, H01B 1726

Patent

active

057740356

ABSTRACT:
A current transformer for a load switch which has an interior construction tightly engaged with a main bushing therein, allows a voltage in a cable to be detected by forming an engaging hole, communicated with a conductive socket of the main bushing, on a portion of an outer circumferential surface thereof, and which has a current transformer coating casing, made of a rubber material, for thereby diminishing a thickness of the current transformer, includes a core in a ring shape, a coil winding the core, a rubber coating member for tightly covering the core and the coil therein, and coil terminals connected to both ends of the coil. The rubber coating member includes a lower coating part for tightly covering a base unit of the main bushing, and an upper coating part for tightly covering a jaw unit of the main bushing, as well as the coil and the core.

REFERENCES:
patent: 3136842 (1964-06-01), Perkins et al.
patent: 3222625 (1965-12-01), Ledoco
patent: 4436950 (1984-03-01), Gaffal et al.
patent: 4670625 (1987-06-01), Wood et al.

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