| 摘要 |
<p>An automotive powertrain includes a hydraulic drive circuit including at lea st one of: a hydraulic pump/motor (12) having a shaft fixed to for rotation with the crankshaft of an internal combustion engine (11); and a pair of pump/motors (21, 22) coaxially arranged to share a common shaft on which is mounted a gear of a gear set for transmitting output to the vehicle drive wheels (20). Hydraulic control logics are provided for control of the variou s pump/motors of the hybrid powertrain.</p> |
