Insert molded terminal for alternator

Details Insert molded terminal for alternator Insert molded terminal for alternator

H - Electricity

01

L

H01L 25/11 (2006.01) H02K 5/22 (2006.01) H02K 11/00 (2006.01) H02K 11/04 (2006.01)

Patent

CA 2101600

An improved terminal for electrical connection to an alternator includes a connecting plate formed as portion of a radiator plate including recesses adapted to receive diodes for use in forming a rectifier bridge. The rectifier bridge assembly comprises a plastic housing that is insert molded over the radiator plate including louvers for passing cooling air past the diodes. The connector plate includes an opening to receive the stem of an enlarged headed fastener before the plastic body is formed around the radiator plate. Before molding, the bolt is pressed by a mold insert against the contact plate so the stem extends outwardly within an axially extending, circumferentially interrupted wall formed by the molding process. The outer surface of the connecting plate includes an axially raised surface at the periphery of the opening and an adjacent tapered surface so that a mold insert pressed against the connecting plate keeps it free of plastic during the molding process, and any overruns of molding material against the tapered surface remain retracted from the axially extended contact surface.

Borne de raccordement améliorée pour raccordement à un alternateur; celle-ci comporte une plaque de raccordement formée à même une plaque radiante incorporant des logements destinés à recevoir des diodes utilisées pour former un pont redresseur. Le pont redresseur comporte un boîtier en plastique moulé par insertion par-dessus la plaque radiante pourvue de fentes permettant le passage de l'air de refroidissement des diodes. La plaque de raccordement comporte une ouverture destinée à recevoir la tige d'un boulon de fixation à tête élargie avant la formation du corps de plastique autour de la plaque radiante. Avant le moulage, une pièce rapportée maintient ferment le boulon en appui contre la plaque de contact, de telle sorte que la tige émerge dans une direction axiale à travers la paroi périphérique semi-circulaire obtenue par moulage. La surface externe de la plaque de raccordement comporte une portion surélevée dans une direction axiale à la périphérie de l'ouverture et une surface conique adjacente permettant l'utilisation d'un insert maintenu fermement appuyé contre la plaque de raccordement pour le préserver de tout contact avec le plastique au cours du procédé de moulage.

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