Magnetic circuit and method of making

Details Magnetic circuit and method of making Magnetic circuit and method of making

1975-03-11

1977-11-29

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

336 15, 336 61, H01F 108, H01F 2102

Patent

active

040607836

ABSTRACT:
A low cost magnetic circuit and method of making the same are disclosed. The magnetic circuit comprises an integral magnetic core having at least four legs in a closed magnetic path, at least one leg thereof with a circular cross section and a bobbin rotatably disposed about the circular portion for containing a coil winding. The coil is formed by rotating the bobbin while holding the core stationary.

REFERENCES:
patent: 3001161 (1961-09-01), Broadhead et al.
patent: 3019375 (1962-01-01), Geyer et al.
patent: 3112898 (1963-12-01), Stahl
patent: 3218592 (1965-11-01), Barrick
patent: 3614692 (1971-10-01), Rozelle et al.
patent: 3617966 (1971-11-01), Trench et al.
patent: 3678429 (1972-07-01), Colin

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