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公开(公告)号：US10543819B2
公开(公告)日：2020-01-28
申请号：US15753973
申请日：2016-10-05
申请人： WABCO GmbH
发明人： Volker Heinrich
摘要： A power-assisted hydraulic braking system includes a main brake line into which a setpoint brake pressure can be introduced via a brake valve actuated by a brake pedal, and from which a plurality of wheel brake lines branch off, each leading to an actuating unit of a wheel brake, and a valve arrangement of an ABS controller, comprising an inlet valve disposed between the main brake line and one of the wheel brake lines and an outlet valve disposed between the relevant wheel brake line and a pressureless return line. The inlet valve and the outlet valve are embodied as pressure-controlled 2/2-way switching valves with suitably sized switching cross-sections. At least one pilot control valve is associated with each of the inlet valve and the outlet valve, via which a control connection can be alternately subjected to a low or high control pressure to change over.
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公开(公告)号：US10086812B2
公开(公告)日：2018-10-02
申请号：US15546667
申请日：2016-02-11
申请人： WABCO GmbH
发明人： Mirko Bruett , Volker Heinrich , Frank Zielke
摘要： An external force-supported hydraulic braking system of a wheeled vehicle includes two brake circuits each having a main brake line configured to be connected to a pressure-carrying supply line or to a pressureless return line via a brake valve and further having a number of wheel brake lines branching from the main brake line and including a valve assembly of a TCS system. The valve assembly of the TCS system has a single TCS control valve formed as a 6/2-way magnetic switching valve configured to, in a non-actuated state, block a pressure-carrying main pressure line against two bypass lines each leading directly to a respective main brake line, and connect the two return lines to a pressureless collective line, and further configured to, in the actuated state, connect the main pressure line to the two bypass lines and block the two return lines against the collective line.
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公开(公告)号：US20180022334A1
公开(公告)日：2018-01-25
申请号：US15546667
申请日：2016-02-11
申请人： WABCO GmbH
发明人： Mirko Bruett , Volker Heinrich , Frank Zielke
CPC分类号： B60T8/4827 , B60T8/345 , B60T8/3635 , B60T8/3665 , B60T13/148
摘要： An external force-supported hydraulic braking system of a wheeled vehicle includes two brake circuits each having a main brake line configured to be connected to a pressure-carrying supply line or to a pressureless return line via a brake valve and further having a number of wheel brake lines branching from the main brake line and including a valve assembly of a TCS system. The valve assembly of the TCS system has a single TCS control valve formed as a 6/2-way magnetic switching valve configured to, in a non-actuated state, block a pressure-carrying main pressure line against two bypass lines each leading directly to a respective main brake line, and connect the two return lines to a pressureless collective line, and further configured to, in the actuated state, connect the main pressure line to the two bypass lines and block the two return lines against the collective line.
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公开(公告)号：US20180244250A1
公开(公告)日：2018-08-30
申请号：US15753973
申请日：2016-10-05
申请人： WABCO GmbH
发明人： Volker Heinrich
CPC分类号： B60T8/3605 , B60T8/176 , B60T13/686 , B60T2270/10 , F16K31/0603
摘要： A power-assisted hydraulic braking system includes a main brake line into which a setpoint brake pressure can be introduced via a brake valve actuated by a brake pedal, and from which a plurality of wheel brake lines branch off, each leading to an actuating unit of a wheel brake, and a valve arrangement of an ABS controller, comprising an inlet valve disposed between the main brake line and one of the wheel brake lines and an outlet valve disposed between the relevant wheel brake line and a pressureless return line. The inlet valve and the outlet valve are embodied as pressure-controlled 2/2-way switching valves with suitably sized switching cross-sections. At least one pilot control valve is associated with each of the inlet valve and the outlet valve, via which a control connection can be alternately subjected to a low or high control pressure to change over.
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公开(公告)号：US20180022331A1
公开(公告)日：2018-01-25
申请号：US15546672
申请日：2016-02-12
申请人： WABCO GmbH
发明人： Mirko Bruett , Volker Heinrich
CPC分类号： B60T8/363 , B60T8/3615 , B60T8/88 , B60T2270/40 , F16K5/04 , F16K11/0856 , F16K15/044 , F16K31/041
摘要： A valve assembly for an antilock system of a brake system of a vehicle includes a cylindrical rotary valve rotatably mounted in a valve block and configured to be activated by a step motor, configured to occupy at least two shifting positions, and having one input and one output. In one of the shifting positions, at least one duct leading to a wheel brake cylinder can be acted upon with a pressurizing medium via the input. In another of the shifting positions, the pressurizing medium can be discharged via the output. The input and the output of the rotary valve are arranged in different axial planes and at an angle offset to one another.
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