Linear stepping motor

Details Linear stepping motor Linear stepping motor

1985-07-12

1987-12-22

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Linear

318135, H02K 4100

Patent

active

047148497

ABSTRACT:
A linear stepping motor, including a pair of exciting iron cores having a plurality of field legs which form a plurality of denticles with a common pitch .tau.; wherein, when P is the number of poles and n is the number of phases of the linear stepping motor, the spacing of the field legs is (N+(m
)). .tau. (where N is an integer, m is an integer, and m is an integer, and m<n); and the denticles on the pair of exciting iron cores are shifted in phase by no more than (L/P)..tau. (where L is an integer, L<P, and 2L.noteq.P).

REFERENCES:
patent: Re27289 (1972-02-01), Sawyer
patent: 4370577 (1983-01-01), Wakabayashi et al.
patent: 4504750 (1985-03-01), Onodera et al.

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