Linear DC motor

Details Linear DC motor Linear DC motor

1982-12-10

1987-01-20

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Linear

318135, H02K 4100

Patent

active

046381929

ABSTRACT:
In line DC motor with a permanent magnet arrangement displaying a ferromagnetic ground and a multi-strand winding, which are linearly moveable with respect to one another, in particular for drives in data engineering. The winding consists of several coils following one another in the direction of movement, activatable with current in cyclic sequence, which in each case are layed without overlap around a pole of at least one grooved flow guidance part which together with the permanent magnet arrangement forms an essentially even air gap, with coil axis standing perpendicular to the direction of movement. The ratio of coil interval to magnet interval amounts to 2:3. To make interfering reluctance forces ineffective, in the vicinity of the sides of the end poles lying in the direction of movement, ferromagnetic auxilliary poles are provided.

REFERENCES:
patent: 3663844 (1972-05-01), Kant
patent: 3860839 (1975-01-01), Buchberger
patent: 4369383 (1983-01-01), Langley

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