Hydraulic control for a dual clutch transmission

Details Hydraulic control for a dual clutch transmission Hydraulic control for a dual clutch transmission

2009-04-29

2010-06-22

Lorence, Richard M. (Department: 3655)

192 clutches and power-stop control

Clutches

Plural clutch-assemblage

C192S070120, C192S113340

Reexamination Certificate

active

07740119

ABSTRACT:
A double clutch gearbox, which has a first volume flow valve for actuating a first clutch, which is arranged downstream, a second volume flow valve for actuating a second clutch which is arranged downstream, and a first hydraulic power source for supplying the volume flow valves and the clutches with a system pressure. In order to provide an improved double clutch gearbox, the clutches have fluid cooling which is arranged downstream of the first volume flow valve.

REFERENCES:
patent: 3589483 (1971-06-01), Smith
patent: 3760918 (1973-09-01), Wetrich et al.
patent: 6715597 (2004-04-01), Buchanan et al.
patent: 7207922 (2007-04-01), Kuhstrebe et al.
patent: 7401689 (2008-07-01), Hegerath et al.
patent: 2007/0062773 (2007-03-01), Moehlmann et al.
patent: 101 28 856 (2002-05-01), None

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