Motor of the permanent-magnet rotor type

A motor of the permanent magnet rotor type is disclosed which is capable of permitting the rotor to be constantly stopped at a position of allowing the rotor to be started without employing any specific magnet arrangement. The motor is constructed in a manner such that a gap G1 between the pole face...

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Bibliographic Details
Main Authors SHIMAMURA; SHIN, NIIMURA; YOSHIHISA
Format Patent
LanguageEnglish
Published 22.10.1985
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:A motor of the permanent magnet rotor type is disclosed which is capable of permitting the rotor to be constantly stopped at a position of allowing the rotor to be started without employing any specific magnet arrangement. The motor is constructed in a manner such that a gap G1 between the pole face of each of main poles of a stator and each of magnetic poles of the rotor is formed to gradually increase in width, and a gap G2 between the pole face of each of complementary poles of the stator and each of the magnetic poles is formed to have the substantially same width as the maximum width of the gap G1.
Bibliography:Application Number: US19830558203