DC electromagnet, in particular for an electric switching appara

Details DC electromagnet, in particular for an electric switching appara DC electromagnet, in particular for an electric switching appara

1985-07-19

1986-12-30

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335251, 335258, 335279, H01F 300, H01F 708

Patent

active

046332090

ABSTRACT:
A DC current electromagnet is provided developing a high pulling force with reduced current consumption. This electromagnet has the form of a cylindrical pot and comprises a mobile armature which slides along a yoke piece through a closure air gap --e, S--, whose reluctance is low with respect to the reluctance of the working air gap --E, s-- when this latter is open and substantially constant during movement.

REFERENCES:
patent: 506282 (1893-09-01), Timmis
patent: 750132 (1904-01-01), Timmis et al.
patent: 3378732 (1965-04-01), Dietz et al.
patent: 4491816 (1985-01-01), Blum

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