HYDRAULIC CONTROL SYSTEM FOR A DUAL CLUTCH TRANSMISSION

Control systems and methods for a dual clutch transmission are provided. The control system includes a first pump for providing a first fluid to actuate the dual clutch assembly, a second pump for providing a second fluid to cool the dual clutch assembly, and a motor operatively coupled to the first...

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Hauptverfasser: MEPHAM SHAUN E, SHARKNESS ERIC
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Control systems and methods for a dual clutch transmission are provided. The control system includes a first pump for providing a first fluid to actuate the dual clutch assembly, a second pump for providing a second fluid to cool the dual clutch assembly, and a motor operatively coupled to the first and second pumps. The motor is operable in first and second directions, wherein the first pump is responsive to operation of the motor in the first direction and the second pump is responsive to operation of the motor in the second direction. The first and second pumps can be coupled to the motor about a common transfer shaft. By selectively reversing motor rotation, the motor drives the first and second pumps to provide a flow rate of hydraulic fluid and to provide a flow rate of lubricating fluid, respectively.