Device comprising a core consisting of parts of amorphous ferrom

Details Device comprising a core consisting of parts of amorphous ferrom Device comprising a core consisting of parts of amorphous ferrom

1987-03-16

1988-04-19

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

336212, H01F 310

Patent

active

047392940

ABSTRACT:
A device having a core that comprises a bar-shaped leg (1) of amorphous ferromagnetic metal which is surrounded by a coil (7), and a yoke (3) which magnetically interconects the end portions of the leg and which is made of ferrite. The cross-sectional area of the yoke (3) is at least twice as large as that of the leg (1). This construction combines the advantages of the low core losses of amorphous metal and a low cost price.

REFERENCES:
patent: 4529457 (1985-07-01), Kushnick et al.
patent: 4587507 (1986-05-01), Takayama et al.

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