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)

Child Classifications

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• H02K 33/02 with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
• H02K 33/12 with armatures moving in alternate directions by alternate energisation of two coil systems
• H02K 33/16 with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
• H02K 33/18 with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets