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Method of operating a dual clutch transmission hydraulic power control system as well as dual clutch transmission hydraulic power control system
Method of operating a dual clutch transmission hydraulic power control system as well as dual clutch transmission hydraulic power control system
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机译:操作双离合器变速器液压动力控制系统的方法以及双离合器变速器液压动力控制系统
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摘要
Method of operating a DCT hydraulic power control system comprising:- pump means (020);- a high pressure section (HPS) for providing oil to the actuators (ACT) of the DCT;- a low pressure section (LPS) for providing oil to a lubrication and cooling system (LCS) of the DCT;and- a regulator means (030) for directing excess oil from the high pressure section (HPS) to the lubrication and cooling section (LCS) and for keeping the pressure in the high pressure section (HPS) constant, characterised by the following method steps:- closing, in a low speed mode, a directional valve (050) being disposed in a main line (050L) of the low pressure section (LPS) and for leading oil to the lubrication and cooling section (LCS) of the clutches of the DCT;- opening in a medium speed mode, the directional valve (050) in the main line (050L) of the low pressure section (LPS);- keeping in a high speed mode, the first pressure outlet (X) of the pump means (020) at a high pressure level and keeping the second pressure outlet (Y) of the pump means (020) continuously at a low pressure level.
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