Linear motor

Details Linear motor Linear motor

1979-01-08

1980-08-12

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Linear

310 14, 310 30, 335229, H02K 4102

Patent

active

042175070

ABSTRACT:
A linear motor construction in which a plurality of parallelpiped shaped permanent magnets are retained within an easily molded spool having an axial bore formed through the axis thereof. A coil which may be electrically excited is wound about the spool and produces a magnetic field when excited, which reacts with the field produced by the permanent magnets to cause linear motion in a ferro-magnetic, cylindrical armature which is slidably contained within the axial bore.

REFERENCES:
patent: 3304449 (1967-02-01), Pohlman et al.
patent: 3381181 (1968-04-01), Weathers
patent: 3389355 (1968-06-01), Schroeder, Jr.
patent: 3419739 (1968-12-01), Clements
patent: 3484629 (1969-12-01), Kunz
patent: 3579001 (1971-05-01), Pelenc
patent: 3656015 (1972-04-01), Gillum
patent: 3666977 (1972-05-01), Helms
patent: 3740594 (1973-06-01), Casey
patent: 3751693 (1973-08-01), Gabor
patent: 3984706 (1976-10-01), Inouye
patent: 4016441 (1977-04-01), Herr et al.
patent: 4127835 (1978-11-01), Knutson

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