Magnetic subassembly of an electrical breaker apparatus

Details Magnetic subassembly of an electrical breaker apparatus Magnetic subassembly of an electrical breaker apparatus

2005-10-18

2005-10-18

Barrera, Ramon M. (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

C335S279000

Reexamination Certificate

active

06956454

ABSTRACT:
Magnetic subassembly for electrical breaker apparatus, comprising a magnetic yoke (10), a fixed core (39) and a moveable core (30) sliding along an axis (X) inside an insulating sheath (20) under the action of an induction coil (25) arranged around the sheath (20). The moveable coil (30) possesses a radial annulus (33) separating a first part (31) and a second part (32) of different radial section, the magnetic yoke (10) comprises a radial face (11) perpendicular to the axis (X) with an opening (19) centred on the axis (X) and traversed by the first part (31) of the moveable core (30). The opening (19) comprises a fluted perimeter composed of a plurality (N) of teeth (17) directed towards the axis (X), hollow zones (15) situated between each tooth (17) accommodating an end of the insulating sheath (20).

REFERENCES:
patent: 25 31 215 (1977-02-01), None
patent: 0 515 292 (1992-05-01), None
patent: WO 99/63564 (1999-12-01), None

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