Borgwarner US Technologies LLC

Todd George Nakanishi

Edward Choi

Chris Fruth

Bryan Rohl

A heat sink system includes: a container including a cavity; a housing connecting to the container to cover the cavity, wherein one or more of the container or the housing includes an inlet port, and one or more of the container or the housing includes an outlet port; and a cooling module in the cavity between the container and the housing, the cooling module in a flow of coolant from the inlet port to the outlet port, wherein the cooling module includes: first cooling fins with a first cooling fin geometry, and second cooling fins with a second cooling fin geometry, wherein the first cooling fins are upstream of the second cooling fins along the flow of coolant from the inlet port to the outlet port.

Systems and methods for cooling module with progressive cooling fins

A subassembly for an electrical component includes: a first plate including: a wall, stepped walls extending from opposite sides of the wall, flange elements extending outwardly from the stepped walls, each flange element defining an engagement slot; a first heatsink positioned on the wall between the stepped walls; a second heatsink; a power module between the first heatsink and the second heatsink; and a second plate including: a plate wall extending across the second heatsink, transition walls extending from opposite sides of the plate wall, and prongs extending from the transition walls toward the first plate and substantially perpendicular to an inner surface of the plate wall in contact with the second heatsink, wherein the prongs are aligned with and configured to engage the engagement slots.

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Cicero, IN, United States of America

Todd George Nakanishi