Valve with control unit and method for regulating a valve

DE102024208232A1Pending Publication Date: 2026-03-05ROBERT BOSCH GMBH
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Patent Information

Application Number
DE102024208232
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-08-29
Publication Date
2026-03-05

AI Technical Summary

Technical Problem

Existing valves face issues with overshooting when the target pressure exceeds the system pressure, leading to undesirable pressure fluctuations.

Method used

A continuously adjustable valve with an electronic control unit that includes a pressure regulator and a minimum value generator to determine an internal target pressure, limiting it to the lower value between the external setpoint pressure and system pressure, thereby preventing overshoot.

Benefits of technology

The solution effectively prevents or reduces overshoot by ensuring the internal target pressure does not exceed the system pressure, maintaining stable pressure control.

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Abstract

A continuously adjustable valve (10) with a valve slide (14) which can be displaced by an actuator (18) in a valve housing (12) and with an electronic control unit (16; 116) which controls a pressure regulator (2) for determining a control deviation (Δp) between an internal setpoint pressure (p) is revealed. soll int ) and an actual pressure (p ist The pressure regulator (2) controls a setpoint (6) for the actuator (18) depending on the pressure control deviation (Δp). A minimum value generator (1) is used to determine the internal setpoint pressure (p). soll int ) by selecting the lower value of an external target pressure (p) soll ext ) and on the other hand a system pressure (p sys ) is planned. A corresponding procedure has also been disclosed.
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Citation Information

Patent Citations

  • Electro-hydraulic pressure controlling arrangement for controlling pressure of pressurizing medium, has multiplicator designed, such that large control deviations are strongly attenuated than small control deviations

    DE102010010506A1