Gm Global Technolgoy Operations, Inc.

Alex Thompson

Terence G Ward

Brian A Welchko

Keming Chen

Mark D Korich

Mark L Selogie

Power capacitors for AC motors are mounted diametrically on associated transmissions. The power capacitors are in one embodiment annular and in another embodiment, arcuate. By having power capacitors mounted on transmission housings diametrically, cooling of the power capacitors is facilitated for both air and liquid cooling.

Power capacitors for AC motors mounted diametrically on associated transmissions

An apparatus for coupling a heat-generating device to a heat-removing device. The apparatus includes a thermally-conductive plate having a first side and a second side. The apparatus also includes a plurality of first channels that intersect with a plurality of second channels formed on at least one of the first side and the second side. The formation of the first channels and the second channels weaken the thermally-conductive plate. The apparatus further includes a plurality of protrusions formed by the intersection of the first channels and the second channels. The protrusions are deformable by coupling the thermally-conductive plate between the heat-generating device and the heat-removing device.

Heat transfer plate

An interface device for coupling an electrical device to a metal junction includes a conformable conductor plate having a first side and a second side. The interface device also includes a plurality of first channels that intersect with a plurality of second channels formed on at least one of the first side and the second side. The formation of the first channels and the second channels weaken the conductor plate. A plurality of protrusions is formed by the intersection of the first channels and the second channels. The protrusions are deformable by coupling the conformable plate between the electrical device and the metal junction. An elongated slot formed throughout at least a portion of the interface device.

Conformable interface device for improved electrical joint

An electrical system as described herein is suitable for use in an electric or hybrid vehicle. The electrical system includes electrical devices, such as power transistors, coupled to an electrically and thermally conductive bus bar. The respective nodes of the electrical devices are coupled to the bus bar such that the bus bar carries a combined signal generated by the electrical devices. The bus bar is also thermally coupled to a conduction heat transfer system, such as a liquid cooled cold plate. Thus, the bus bar functions as both an electrical conduit and a conduction-based heat sink for the electrical system.

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Fullerton, CA, United States of America

Alex Thompson