Piezoelectric o-ring transducer
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United States of America Patent
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Feb 20, 2007
Grant Date -
Jul 21, 2005
app pub date -
Jan 16, 2004
filing date -
Jan 16, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
An o-ring sealing device, molded with an imbedded piezoelectric element, for use in vacuum systems. The imbedded element, of a circumferential length, has an oblong cross-sectional shape, the oblong shape having a pair of ends for externally connecting to a signal processor. The piezoelectric element is concentrically disposed and centrally placed within a mold cavity of a predetermined diameter. The cavity is filled with an elastic material fully encapsulating and insulating the piezoelectric element.
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