Patent ID: 8059404

Claim:
A power inverter comprising: a frame having a first sidewall including a first opening, the first sidewall defining at least a portion of a fluid passageway; and a first power module coupled to the frame over the first opening, the first power module including: a substrate including a first side, a second side, a center section, an outer peripheral section, and an outer edge, the first side of the substrate comprising a first outer layer including a first metal material, a plurality of die positioned in the center section of the substrate and coupled to the first side of the substrate, and an encasement molded over the outer peripheral section of the substrate on the first side of the substrate, the second side of the substrate, and the outer edge of the substrate and around the plurality of die, the encasement coupled to the substrate to form a seal with the first metal material, wherein the second side of the substrate is positioned to directly contact a fluid flowing through the fluid passageway.