Linear resolver

Details Linear resolver Linear resolver

1985-11-08

1987-11-10

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Linear

310111, 336119, 336136, H02K 4100

Patent

active

047059710

ABSTRACT:
A linear resolver wherein a stator is made of a magnetic material and is toothed at equal pitches along the direction of measurement, and a movable element is an electromagnet made of an E type or C type core around which a primary single phase winding W.sub..theta. is wound, the surface of the movable element facing the stator and constituting part of a magnetic path of the linear resolver being provided with detection secondary windings bonded to the surface, and the detection secondary windings each having as its winding pitch a half the pitch between the teeth of the stator; wherein the movable element is supported relative to the stator with a constant gap therebetween and guided in sliding relation to the stator only in the longitudinal direction of the stator.

REFERENCES:
patent: 3030533 (1962-04-01), Schuqt
patent: 3136934 (1964-06-01), Henry-Daudot
patent: 3890516 (1975-06-01), Widdowson
patent: 4334207 (1982-06-01), Bill et al.
patent: 4563602 (1986-07-01), Nagasaka

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