Linear pulse motor

Details Linear pulse motor Linear pulse motor

1987-10-02

1988-08-02

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Linear

310181, H02K 4100

Patent

active

047615745

ABSTRACT:
A linear pulse motor includes: a movable body having plural iron cores provided with coils, the iron cores extending along the moving direction of the movable body in parallel with each other and having plural magnetic poles arranged along the moving direction; a stationary body having magnetic circuit forming members for forming magnetic circuits with the iron cores across an air gap between the iron cores and the magnetic circuit forming members, the magnetic poles extending towards the magnetic circuit forming members; and a permanent magnet arranged such that magnetic fluxes therefrom interact with magnetic fluxes generated by energization of the coils, wherein the coils are so arranged and energized that magnetic forces are generated between one or more of the magnetic poles and the magnetic circuit forming members of the stationary body at both sides of the center of the movable body in the moving direction, the one or more of the magnetic poles being substantially at the same distance from the center, and the magnetic forces at both sides of the center being substantially equal to each other.

REFERENCES:
patent: 3999107 (1976-12-01), Reuting
patent: 4370577 (1983-01-01), Wakabayashi
patent: 4504750 (1985-03-01), Onodera et al.

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