| 摘要 |
Proposed is a hydraulic scheme for a stepless automatic transmission of a motor vehicle. The system has a variator which is controlled by a hydraulic regulating apparatus, and which possesses a cooler (11) placed in an oil lubricating/cooling circulation from which a line (14) leads from cooler (11) to an oil sump (1). An orifice (13) is located after the cooler (11) in the line (14), in the direction of oil flow, the oil flow through the orifice (13) is controllable as a function of the speed of rotation of the drive motor of the vehicle and/or the speed of the vehicle.
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