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US 7,465,252 B2Granted
Hydraulic actuation system
OwnerRoland Welter, Matthias Zink +3inventors
InventorsRoland Welter, Matthias Zink, Henry Hahn, Udo Popp, Markus Hausner
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Abstract
A hydraulic actuation system, especially for actuating the clutch of a vehicle, containing a master cylinder unit, a slave cylinder unit, a hydraulic medium line connecting the two cylinder units and a throttle valve which is used to alter the flow resistance between the cylinders of the master cylinder unit and the slave cylinder unit.
Claims8
A hydraulic actuation system, comprising:
- a master cylinder unit;
- a slave cylinder unit;
- a hydraulic medium line connecting the master cylinder unit and the slave cylinder unit;
- a throttle valve for adjusting a flow resistance between cylinders of the master cylinder unit and the slave cylinder unit;
- a throttle valve actuator configured to actuate the throttle valve;
- a piston sensor configured to detect a movement of a piston in at least one of the cylinder units;
- and
- a control unit connected to the piston sensor and controlling the throttle valve actuator.
5 more elements
Dependencies are inferred from the claim text.