Hydraulic circuit device and hybrid drive system using that...

Motor vehicles – Power – Underpans

Reexamination Certificate

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C180S339000, C184S006900

Reexamination Certificate

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07637336

ABSTRACT:
Drain holes are arranged in positions offset from valve holes of a valve body. The drain holes have a long chimney-shaped space such that even if insulation material, that has peeled off of an electric motor, is suspended in oil, it is less likely to enter drain chambers through the drain holes.

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