Hydraulic system providing pressure and volume flows in a...

Details Hydraulic system providing pressure and volume flows in a... Hydraulic system providing pressure and volume flows in a...

2008-07-22

2008-07-22

Lorence, Richard M (Department: 3681)

192 clutches and power-stop control

Transmission control and clutch control

Common control

C192S113350

Reexamination Certificate

active

07401689

ABSTRACT:
A hydraulic system for providing pressure and volume flows in a double-clutch transmission. A first clutch and a second clutch are preceded by at least one changeover valve which, in a first state, guides lubricating flow to the first clutch and cooling flow to the second clutch, and, in a second state, guides lubricating flow to the second clutch and cooling flow to the first clutch. The cooling flow is preferably variable.

REFERENCES:
patent: 3823801 (1974-07-01), Arnold
patent: 5669479 (1997-09-01), Matsufuji
patent: 2006/0054447 (2006-03-01), Hegerath et al.
patent: 10306895 (2004-02-01), None
patent: 1413803 (2004-04-01), None
patent: 01188723 (1989-07-01), None

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