Patent ID: 9000635
Filing Date: 2015-04-07
Classification: H02K

Abstract:
1. An alternator, comprising: a rectifier including a positive-side heatsink and negative-side heatsink for cooling rectifier elements corresponding to each heatsink, and a circuit board, having a front side and an opposing rear side, for holding the positive-side heatsink and the negative-side heatsink; wherein one or more engaging holes are centrally aligned along an axis, the axis being along a longitudinal length of the one or more engaging holes, and provided on at least one of (a) the positive-side heatsink and the negative-side heatsink and (b) opposite sides of the circuit board, and wherein one or more corresponding engaging protrusions that are engaged with each engaging hole, are provided, such that an engaging protrusion is provided on at least one of (c) opposite sides of the circuit board aligned along axis and (d) the positive-side heatsink and the negative-side heatsink aligned along the axis, respectively, and wherein antivibration protrusions, each for abutting a surface of the positive-side heatsink and that of the negative-side heatsink, are formed at predetermined locations on an insulation resin portion constituting the circuit board.