Patent classifications
H
ELECTRICITY
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H02
GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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H02K
DYNAMO-ELECTRIC MACHINES
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33/00
Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
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H02K33/02
with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
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H02K33/04
wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation
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H02K33/06
with polarised armatures
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