Patent ID: 11901837
Assignee: HITACHI ASTEMO, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A power control unit comprising:
a power device;
a heat dissipation member disposed to face the power device with an insulating resin member interposed therebetween; and
a plurality of plate-shaped bus bars each of which has one end connected to the power device, wherein
a plurality of input bus bars connected to an input terminal of the power device are provided as the plurality of plate-shaped bus bars,
at least one of the plurality of input bus bars is erected so that a direction along a plate width is aligned with a direction along a normal line of a surface of the heat dissipation member facing the power device and is disposed with respect to the heat dissipation member with the insulating resin member interposed therebetween,
a high-voltage side input bus bar connected to a positive electrode of the power device is provided as one of the plurality of input bus bars,
a low-voltage side input bus bar connected to a negative electrode of the power device is provided as one of the plurality of input bus bars, and
at least one input bus bar of the high-voltage side input bus bar and the low-voltage side input bus bar is erected so that the direction along the plate width is aligned with the direction along the normal line of the surface of the heat dissipation member facing the power device and is disposed with respect to the heat dissipation member with the insulating resin member interposed therebetween.