Busbar Unit, Electric Motor and Electrohydraulic Power Steering System Furnished With the Busbar Unit, and Method of Manufacturing the Busbar Unit

摘要

A busbar unit for attachment to on an electric-motor armature is furnished with: busbars having terminals for supplying drive current to the armature; a plurality of connecting pins each of approximately J-shaped metal; a busbar holder retaining the busbars and the connecting pins; and a circuit board disposed on the upper side of the busbar holder, and in which a sealant injection port and an air-bleeding hole are formed.