Pressure-regulating valve having an electrical control unit
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United States of America Patent
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Jul 17, 2018
Grant Date -
Oct 2, 2014
app pub date -
Mar 27, 2014
filing date -
Mar 28, 2013
priority date (Note) -
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Abstract
A pressure-regulating valve having an electrical control unit mutually connected by a first plug connector. The electrical control unit controls the pressure-regulating valve using a regulated current signal and also renders possible the connection to at least one additional device. The electrical control unit includes two additional plug connectors. Electrical energy is supplied to the electrical control unit by way of a second plug connector and a signal-carrying connection is produced, by a data bus, to a higher-priority controller or to a set-point generator. A third plug connector connects the electrical control unit to one or several bus-compatible electrical devices, or connects the electrical control unit to an additional pressure-regulating valve without a dedicated electrical control unit. The system can be used in electro-hydraulic feedforward controllers of direction-control valves, variable hydraulic pumps and variable hydraulic motors, and in vehicular work machines.
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