Direct current linear motor

Details Direct current linear motor Direct current linear motor

1985-07-22

1986-12-30

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Linear

318135, H02K 4100

Patent

active

046331085

ABSTRACT:
A direct current linear motor, particularly for use in data processing drive systems, is provided. The motor includes a plurality of permanent magnet poles disposed linearly adjacent each other, a ferromagnetic structure having a multi-strand winding formed of a plurality of coils, each strand forming a coil, the permanent magnet poles and the ferromagnetic structure being linearly moveable relative to each other. A flat air gap is defined between and separates the permanent magnet poles and the ferromatic structure. The ratio of the coil pitch of the ferromatic structure to the magnetic poles of the permanent magnet system is not greater than 1.

REFERENCES:
patent: 3707924 (1973-01-01), Barthalon
patent: 4151447 (1979-04-01), van der Heide
IBM Tech. Disclosure Bulletin, "Linear Incremental Motor," Thompson, vol. 6, #9, 2/64.

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