Hydraulic circuit for a dual clutch transmission

Details Hydraulic circuit for a dual clutch transmission Hydraulic circuit for a dual clutch transmission

2007-01-02

2009-02-10

Bonck, Rodney H (Department: 3681)

192 clutches and power-stop control

Transmission control and clutch control

Common control

C192S083000

Reexamination Certificate

active

07487864

ABSTRACT:
A hydraulic circuit for a dual clutch transmission for motor vehicles comprises a first and a second clutch that can be hydraulically actuated and a first and a second pressure control valve for regulating the clutch pressure of the first and second clutches. In this circuit there is provided a single central valve, which in a first position connects the pressure control valves to the respective clutches and in a second position disengages the pressure control valves from the respective clutches.

REFERENCES:
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patent: WO 2006/002904 (2006-01-01), None
International Preliminary Report of patentability, Jan. 9, 2007, International Application No. PCT/EP2005/007024.

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