Variable reluctance-type resolver

Details Variable reluctance-type resolver Variable reluctance-type resolver

2006-04-18

2006-04-18

Ledynh, Bot (Department: 2862)

Electricity: measuring and testing

Magnetic

Displacement

Reexamination Certificate

active

07030607

ABSTRACT:
A variable reluctance-type resolver which does not deteriorate detecting accuracy, and which can fix the rotor to the rotate shaft cheaply is comprised of a stator5on which coils6are wound, a rotor provided with protrude poles4aand an annular stopper10made of magnetic material. An outer diameter DS of the stopper10is selected to be smaller than a valley diameter DR of the rotor4. Leakage of the magnetic flux from the stator to the stopper is prevented, and the stopper made of the magnetic material can fix the rotor in cheaper way.

REFERENCES:
patent: 5300882 (1994-04-01), Barros
patent: 5485046 (1996-01-01), Kaplan et al.
patent: 0 401 084 (1990-12-01), None
patent: 2002-168652 (2002-06-01), None

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