| 摘要 |
A four speed ratio transaxle for an automotive vehicle driveline comprising two simple planetary gear units arranged with fluid pressure operated clutches and brakes to provide four forward driving ratios, the top speed ratio being a direct drive, two of the ratio controlling clutches having a common fluid pressure cylinder and a pair of nested clutch actuating pistons to provide maximum space economy, one of the ratio changing clutches being arranged in radial disposition with respect to a reverse brake band, and a two speed accessory drive connected to torque delivery elements of the transaxle including an integrated transmission pump for supplying clutch-and-brake actuating pressure.
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