Machine element or mechanism – Gearing – Lubrication
Reexamination Certificate
2006-09-11
2009-12-01
Pang, Roger (Department: 3655)
Machine element or mechanism
Gearing
Lubrication
C074S60600R, C361S689000, C184S006120
Reexamination Certificate
active
07624660
ABSTRACT:
An automatic transmission according to the invention includes: a hydraulic pressure supply unit which is disposed, together with a gear train, inside a case and switches a shift state (gear ratio) of the gear train based on a supply of hydraulic pressure from hydraulic fluid; a control unit which is disposed in the case and detachably connected to the hydraulic pressure supply unit, and electrically controls the hydraulic pressure supply unit; and a storage portion which is provided in the case and temporarily stores hydraulic fluid supplied to the gear train, and cools the control unit by the stored hydraulic fluid.
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Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Pang Roger
Toyota Jidosha & Kabushiki Kaisha
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