Patent ID: 11895810
Assignee: ABB SCHWEIZ AG
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 15:
16. A power electronic assembly comprising:
a power electronic module having multiple power electronic components and a cooling element, wherein the cooling element is attached to a surface of the power electronic module and is arranged to transfer heat from the power electronic assembly to a cooling medium, wherein the assembly comprises multiple vapour chambers arranged to transfer heat generated by the multiple power electronic components, wherein at least one vapour chamber of the multiple vapour chambers is arranged to transfer heat to another vapour chamber of the multiple vapour chambers;
wherein at least two vapour chambers of the multiple vapour chambers are arranged in the power electronic module;
wherein the power electronic module comprises at least two substrates to which the power electronic components are attached,
wherein for each substrate, one of the at least two vapour chambers is arranged to receive heat from the substrate, and
wherein at least one of the multiple vapour chambers is arranged to receive heat from the at least two vapour chambers.