Hydraulic unit for anti-slip regulated braking systems

Details Hydraulic unit for anti-slip regulated braking systems Hydraulic unit for anti-slip regulated braking systems

2005-04-12

2005-04-12

Williams, Thomas (Department: 3683)

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

C303SDIG001

Reexamination Certificate

active

06877822

ABSTRACT:
A hydraulic unit whose inlet valves are arranged in valve accommodating bores of a first valve row which is spatially separated by way of a pump accommodating bore from a second valve row accommodating the outlet valves, wherein several valve accommodating bores of a third valve row remote from the pump accommodating bore open directly between the second valve row and the braking pressure generator ports into a first housing surface of the accommodating member, and wherein an electric change-over valve closed in its basic position is provided in at least one valve accommodating bore of the third valve row for the hydraulic communication between at least one braking pressure generator port and a suction-side connection of the pump accommodating bore, the hydraulic communication between said changeover valve and the pump accommodating bore being established by way of a portion of a suction channel, the length thereof being determined by the distance between the pump accommodating bore and the third valve row.

REFERENCES:
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patent: 5449226 (1995-09-01), Fujita et al.
patent: 6260933 (2001-07-01), Dinkel et al.
patent: 6398315 (2002-06-01), Dinkel et al.
patent: 6428121 (2002-08-01), Dinkel et al.
patent: 19712211 (1998-10-01), None
patent: 19805843 (1999-05-01), None
patent: 19958194 (2001-01-01), None
patent: 9116220 (1991-10-01), None
patent: WO 9842552 (1998-10-01), None

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