Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Plural linear-movement motors
Patent
1980-03-24
1982-08-10
Dobeck, B.
Electricity: motive power systems
Plural, diverse or diversely controlled electric motors
Plural linear-movement motors
318135, 310 12, 310 13, H02K 706
Patent
active
043440223
ABSTRACT:
A linear motor unit includes a stator having on outer flux-carrying structure and an inner flux-carrying structure, and an armature arranged for travel along the length of the inner flux-carrying structure. The inner flux-carrying structure comprises an elongated rod. The armature slidably positioned along these rods carries a number of coils spaced one from another in the direction of elongation of the rod and surrounding the rod. A plurality of sets of permanent magnets are concentrically positioned within the outer flux-carrying structure which is arranged in a form of two tubular elongated members. The permanent magnets in each set are radially positioned with respect to the rods and located one opposite to another. Preferably successive ones of the sets of magnets have an alternate polarity. The coils are energized periodically and in a cyclical sequence to provide a motive force for the movement of armature along the parallel rods.
REFERENCES:
patent: 3219854 (1965-11-01), McLaughlin
patent: 3243238 (1966-03-01), Lyman
patent: 4234831 (1980-11-01), Kemmer et al.
Dobeck B.
Papst Motoren KG
Striker Michael J.
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