| 摘要 |
The device enables the control of a gearbox comprising a continuous variator with two hydraulically-controlled pulleys, primary and secondary, of expanding type. The device comprises a hydraulic control unit with a supply inlet for connection to a source of hydraulic fluid, and first and second control outlets for connection to the primary and secondary pulleys of the variator. The hydraulic unit includes a manually-operated control member. In dependence on the position of the control member, the hydraulic unit supplies varying amounts of pressurized hydraulic fluid to the primary and secondary pulleys of the variator, producing a different transmission ratio.
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