Method and device for controlling the pressure and/or flow rate of fluid
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United States of America Patent
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Feb 3, 2015
Grant Date -
Jun 9, 2011
app pub date -
Jul 30, 2009
filing date -
Aug 2, 2008
priority date (Note) -
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Abstract
A method for controlling the pressure and/or the flow rate of a fluid includes withdrawing flow energy from a fluid flowing through a pipeline (15). This energy is converted at least partially into electrical energy and used for the electrical control (65) of the flow rate and/or the pressure of a fluid. The device for controlling the flow rate and/or pressure of a fluid in a pipeline (20) has at least one electric generator (35), which is developed for the withdrawal of flow energy from a flowing fluid and for converting this energy at least partially into electrical energy. The device has a control mechanism (65) for controlling the flow rate and/or pressure of a fluid in a pipeline (20) with an electric driving mechanism supplied by the generator (35).
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