Pneumatic valve and valve unit
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United States of America Patent
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Feb 28, 2017
Grant Date -
Aug 13, 2015
app pub date -
Feb 2, 2015
filing date -
Feb 7, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A pneumatic valve comprises a valve housing in which at least two passage channels are formed which are associated with respective pneumatic connections; a movable closing element for a selective closing and releasing of the passage channels; and a piezoelectric drive for the controlled movement of the closing element. The piezoelectric drive comprises two separately controllable individual drives as well as closing elements which are associated therewith and which are movable independently of one another, with each of the closing elements being provided for a selective closing and releasing of one of the passage channels.
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