Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2006-04-18
2006-04-18
Schuberg, Darren (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
Reexamination Certificate
active
07030520
ABSTRACT:
A drive unit including an electric motor, a drive unit casing accommodating therein the electric motor, an inverter that controls the electric motor and a flow passage in which a refrigerant passes therein in order to cool the inverter, wherein the inverter is mounted on the drive unit casing such that a heat sink, united with a substrate of the inverter, defines a space that is in communication with the flow passage on a portion thereof opposed to the drive unit casing, the space is compartmented by a separator into a first chamber facing the heat sink and a second chamber facing the drive unit casing and the heat sink comprises heat-sink side fins extending into the first chamber and apart from the separator.
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Kutsuna Naruhiko
Takenaka Masayuki
Yamaguchi Kozo
Aisin AW Co. Ltd.
Hanh Nguyen
Oliff & Berridg,e PLC
Schuberg Darren
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