with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs

Full Title

Motors with reciprocating, oscillating or vibrating magnet, armature or coil system (arrangements for handling mechanical energy structurally associated with motors H02K7/00, e.g. H02K7/06) > with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs

Child Classifications

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• H02K 33/04 wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation
• H02K 33/10 wherein the alternate energisation and de-energisation of the single coil system is effected or controlled by movement of the armatures