BigPatents India

This invention relates to a method of sealing brazed joints of a commutator riser and aramature coils of a DC motor. A method of sealing brazed joints of a commutator riser (9) and aramature coils of a DC motor (1), characterized by the steps of brazing armature conductors (11) to the comutator riser (9); brushing brazed riser joints with insulating varnish; sealing said brazed riser joints and gaps between joints and between face of riser joints and armature overhang with putty (12); curing the applied sealing in an oven; and covering said armature overhang and riser protion with resiglass bandage (8).