| 摘要 |
Double clutch (1) of a double clutch transmission of an engine comprising two clutch packs associated to two coaxial shafts, two clutch pistons each of which activating one of the clutch packs, a hydraulic control device including a low pressure pump (3) for lubrication and cooling of the clutch plates of the clutch packs, a high pressure pump (4) for activation of the clutch piston and the synchronizer, the low pressure pump (3) and the high pressure pump (4) being disposed in parallel, and an electronic control device (5) controlling the hydraulic control system (2), wherein a flow switch (6) is provided in a low engine speed range, is adapted to combine the oil flow of the low pressure pump (3) and the high pressure pump (4) at high pressure.
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