Patent attributes
A power converter apparatus for a vehicle includes: a cooling block provided with a refrigerant inlet and a refrigerant outlet, and with two cooling baths connected to the refrigerant inlet in parallel and each having a shape open to an outside, the cooling block being configured to allow refrigerants passing through the two cooling baths to be merged prior to being discharged through the refrigerant outlet; two cooling plates, wherein each of the two cooling plates covers an opening of an associated one of the cooling baths to provide a cooling chamber and includes a plurality of cooling fins protruding into the cooling chamber; and two cooling tubes, wherein each of the cooling tubes is coupled to the cooling block to provide a space for accommodating a power module between the cooling tube and an associated one of the cooling plates.