Circuit arrangements for improvement of commutation, e.g. by use of unidirectionally conductive elements

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Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings (supporting or protecting brushes or brush holders in motor casings or enclosures H02K5/14); Disposition of current collectors in motors or generators; Arrangements for improving commutation > Circuit arrangements for improvement of commutation, e.g. by use of unidirectionally conductive elements