Magnetopermanent plate

Details Magnetopermanent plate Magnetopermanent plate

1999-04-09

1999-10-12

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Work or object holding type

335292, 335299, H01F 720

Patent

active

059660627

ABSTRACT:
An improved magnetopermanent plate, constituted by a metallic body with high magnetic permeability, in the active plane of which there are provided hollow seats for accommodating corresponding coils composed of turns of electrically conducting wire covered with a sheath made of a material based on fluorocarbon resins; the turns are further mutually bound by means of a vitreous medium and are enclosed in a likewise vitreous protective element; the coils can be accommodated in the hollow seats, between which magnetopermanent means with a low polarization temperature coefficient are accommodated; means are provided for retaining the coils in the corresponding hollow seats.

REFERENCES:
patent: 3398004 (1968-08-01), Pendleton
patent: 4847582 (1989-07-01), Cardone et al.
patent: 5140292 (1992-08-01), Aronow
patent: 5801334 (1998-09-01), Theodorides

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