Linear motor

Details Linear motor Linear motor

1983-04-20

1985-03-12

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Linear

318135, H02K 3302

Patent

active

045047502

ABSTRACT:
A linear motor comprising; a pair of iron cores with plural magnetic teeth groups in which phase is shifted 180 degrees in the direction of its movement, a movable element in which groups of magnetic teeth on the same iron core have the same phases, plural rows of magnetic teeth positioned crossing the direction of the movable element's movement at right angles and a fixed element in which mutual phase is shifted as much as n/m.multidot.P (m is the number of phases of the linear motor, n is an integer where m>n and P is the pitch of magnetic teeth).

REFERENCES:
patent: 3867676 (1975-02-01), Chai et al.
patent: 3869625 (1975-03-01), Sawyer
patent: 3999107 (1976-12-01), Reuting
patent: 4075539 (1978-02-01), Wada
patent: 4286180 (1981-08-01), Langley
patent: 4370577 (1983-01-01), Wakabayashi et al.

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