H02K21/021 - CPC Classification Index

ClassID:

217476 ⎘

H02K21/021 - CPC Classification

Classification description:

Synchronous motors having permanent magnets; Synchronous generators having permanent magnets; Details Means for mechanical adjustment of the excitation flux

Sub-classes:

H02K21/022 » {by modifying the relative position between field and armature, e.g. between rotor and stator } 7
H02K21/028 » {by modifying the magnetic circuit within the field or the armature, e.g. by using shunts, by adjusting the magnets position, by vectorial combination of field or armature sections} 88

Recent Application in this class:

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2016-08-18

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20150048705

2015-02-19

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Method for fabricating an electromagnetic actuator, an electromagnetic actuator, and a charged particle device comprising the same