Hydraulic cylinder, in particular master cylinder for a...

Details Hydraulic cylinder, in particular master cylinder for a... Hydraulic cylinder, in particular master cylinder for a...

2007-03-27

2007-03-27

Kershteyn, Igor (Department: 3745)

Power plants

Pressure fluid source and motor

Pulsator

C060S589000

Reexamination Certificate

active

11106322

ABSTRACT:
A hydraulic cylinder, in particular a master cylinder for a hydraulic clutch actuation system for motor vehicles, has a housing having a cylinder wall, in which a piston is slidably received to seal off the pressure chamber, whereas the pressure chamber in a rest position of the piston is connected to an after-running region by equalization grooves of an after-running device. The cylinder wall of the housing is provided with profiled cut-outs on its piston-side end at least in a lower region in the installed position of the cylinder, which cut-outs each have an upper boundary surface which in the installed position of the cylinder rises up to the equalization grooves of the after-running device.

REFERENCES:
patent: 6584771 (2003-07-01), Keller et al.
patent: 6769254 (2004-08-01), Heller et al.
patent: 2004/0007125 (2004-01-01), Stobrawe et al.
patent: 2004/0065083 (2004-04-01), Rammhofer
patent: 196 52 486 A 1 (1998-06-01), None
patent: 199 53 286 A 1 (2001-05-01), None
patent: 1424503 (2004-06-01), None

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