Linear motor

Details Linear motor Linear motor

1977-11-28

1979-04-24

Duggan, Donovan F.

Electricity: motive power systems

Linear-movement motors

310 12, 104148LM, H02K 4102

Patent

active

041514475

ABSTRACT:
The stator comprises a ferromagnetic structure including a pair of spaced parallel ferromagnetic bars. A row of magnets extends along the length of the bars, at the inner side of one of the bars. The individual magnets of the row are magnetized in a direction transverse to the elongation of the bars. The successive magnets of the row are of alternate polarity. An armature is mounted for travel along the length of the two bars and includes a plurality of coils spaced one from the next in the direction of elongation of the bars and oriented to cut through the magnetic field lines of the magnets of the row of magnets in the space intermediate the two bars. The armature coils are energized periodically and in a cyclical sequence causing the armature to travel along the length of the two bars.

REFERENCES:
patent: 3225228 (1965-12-01), Koshala
patent: 3575650 (1971-04-01), Fengler
patent: 3594622 (1971-07-01), Iuagaki
patent: 3707924 (1973-01-01), Barthalon et al.
patent: 3771033 (1973-11-01), Matsui et al.
patent: 3771035 (1973-11-01), Cless
patent: 4012676 (1977-03-01), Giebler

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