Patent ID: 7952245
Filing Date: 2011-05-31
Classification: H02K,Y10T

Abstract:
1. A power distribution unit for a rotary electric machine, comprising: at least one connecting ring that connects stator coils of the same phase, wherein the at least one connecting ring includes at least one linear conductor integrally formed in a ring-like shape, and wherein the at least one connecting ring includes a terminal section integrally formed in the linear conductor, the terminal section being provided with (a) a first hole extending in an axial direction through which a wiring end of one of the stator coils is to be inserted and (b) a protrusion formed in a penetrating direction of the first hole to which the wiring end of one of the stator coils is to be connected, the protrusion being provided with a second hole that forms a hole with the first hole and extends in the axial direction through which the wiring end of the stator coil having passed through the first hole is to be inserted, and wherein the first hole has a diameter larger on a side where the wiring end of the stator coil is inserted than a diameter of the second hole where the wiring end of the stator coil is connected; and wherein the protrusion has a volume smaller than a volume of the at least one connecting ring excluding the protrusion.