Linear motor with ring magnet and non-magnetizable end caps

Details Linear motor with ring magnet and non-magnetizable end caps Linear motor with ring magnet and non-magnetizable end caps

1979-03-08

1981-01-06

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Linear

335229, H02K 4100

Patent

active

042438993

ABSTRACT:
A linear motor is provided with a coil, a plunger selectively positionable thereby, a permanent magnet concentric with the coil and plunger having oppositely polarized magnetic poles on outer and inner surfaces creating a magnetic circuit extending through the plunger, end caps of non-magnetizable material in line with the plunger, and an output shaft of non-magnetizable material extending through an end cap.

REFERENCES:
patent: 3241006 (1966-03-01), Boyko
patent: 3740594 (1973-06-01), Casey

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